Download Sharp 14GT15 Service manual
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14GT15 14GT20 SERVICE MANUAL S30Y114GT15// COLOUR TELEVISION Chassis No. UA-1 (14GT15) (14GT20) MODELS 14GT15 14GT20 In the interests of user-safety (Required by safety regulations in some countries) the set should be restored to its original condition and only parts identical to those specified should be used. FEATURE Ë Ë Ë Ë Favorite Channel Full Auto Channel Preset and Auto Channel Skip 100-CH Program Memory CATV(Hyper Band) Ready <Used Frequency Synthesizer Tuner> Ë AVL(Sound Keeper) Function Ë Black Stretch Circuit Ë On Timer/Sleep Timer/Reminder Timer Ë Ë Ë Ë Ë Ë Ë Ë Blue Back Noise Mute Front AV-In (14GT-20 Only) Rear AV-In/Out Terminals Colour Comb Filter (NTSC Only) High Contrast Picture Hotel Mode Front Headphone JACK (14GT-20 Only) English / Thai OSD CONTENTS Page » » » » » » » » » SPECIFICATIONS ...........................................2 IMPORTANT SERVICE NOTES ..................... 3 ADJUSTMENT PRECAUTIONS ..................... 4 TROUBLE SHOOTING TABLE ..................... 27 SOLID STATE DEVICE BASE DIAGRAM .... 31 CHASSIS LAYOUT ........................................32 WAVEFORMS ................................................34 DESCRIPTION OF SCHEMATIC DIAGRAM . 35 SCHEMATIC DIAGRAM ■ INFRARED REMOTE CONTROL UNIT .. 36 ■ TUNER .....................................................37 ■ 14GT15, 14GT20 HOTEL MODE APPLICATION ..........................................38 Page ■ HEAD PHONE Unit and CRT Socket Unit ...................................... 39 ■ MAIN Unit ................................................. 40 » BLOCK DIAGRAM .........................................44 » PRINTED WIRING BOARD ASSEMBLIES .. 49 » REPLACEMENT PARTS LIST ■ ELECTRICAL PARTS .............................. 54 ■ MISCELLANEOUS PARTS ...................... 58 ■ SUPPLIED ACCESSORIES .................... 58 ■ PACKING PARTS .................................... 58 ■ CABINET PARTS .................................... 59 WARNING The chassis in this receiver is partially hot. Use an isolation transformer between the line cord plug and power receptacle, when servicing this chassis. To prevent electric shock, do not remove cover. No user – serviceable parts inside. Refer servicing to qualified service personnel. SHARP CORPORATION 1 14GT15 14GT20 SPECIFICATIONS Convergence................................................................. Self Convergence System Focus ............................................................ Electrostatic Focus High Bi-Potential Sweep Deflection ..................................................................................... Magnetic Intermediate Frequencies Picture IF Carrier .................................................................................. 38.9MHz Sound IF Carrier Frequency 5.5MHz ...............................................................................................33.4MHz Colour Sub-Carrier Frequency ........................................................... 34.47MHz Power Input ..................................................................... 100 ~ 240V AC 50/60 Hz Power Consumption ........................................................................................ 65W Audio Power Output Rating.............................................................. 3.0W(at Max.) Speaker Size ................................................................................... 5 x 9 cm Elliptic (1pc) Voice Coil Impedance ........................................................... 16 ohms at 400 Hz Aerial Input Impedance VHF/UHF .......................................................................... 75 ohms Unbalanced Receiving Channel PAL B/G VHF-Channels ...................................... E2(48.25MHz) thru E12(224.25MHz) UHF-Channels .................................. E21(471.25MHz) thru E69(855.25MHz) Dimensions ................................................................................... Width: 351.0mm Height: 361.0mm Depth: 359.0mm Weight(approx): 9.2 kg Cabinet material .................................................................................... All Plastics Specifications are subject to change without prior notice. 2 14GT15 14GT20 IMPORTANT SERVICE NOTES Maintenance and repair of this receiver should be done by qualified service personnel only. SERVICE OF HIGH VOLTAGE SYSTEM AND PICTURE TUBE When servicing the high voltage system, remove static charge from it by Connecting a 10K ohm Resistor in series with an insulated wire(such as a test probe) between picture tube dag and 2nd anode lead. (AC line cord should be disconnected from AC outlet.) 1. 2. 3. 4. Picture tube in this receiver employs integral implosion protection. Replace with tube of the same type number for continued safety. Do not lift picture tube by the neck. Handle the picture tube only when wearing shatterproof goggles and after discharging the high voltage completely. X-RAY This receiver is designed so that any X-Ray radiation is kept to an absolute Minimum. Since certain malfunctions or servicing may produce potentially hazardous radiation with prolonged exposure at close range, the followin precautions should be observed: 1. When repairing the circuit, be sure not to increase the high voltage to more than 25.8kV (at beam 0 µA) for the set. 2. To keep the set in a normal opeartion , be sure to make it function on 22.8kV ±1.5kV (at beam 800 µA) in the case of the set. The set has been factory - Adjusted to the abovementioned high voltage. ∴ If there is a possibility that the high voltage fluctuates as a result of the repairs, never forget to check for such high voltage after the work. 3. Do not substitute a picture tube with unauthorizerd types and/or brands which may cause excess X-ray radiation. BEFORE RETURNING THE RECEIVER Before returning the receiver to the user, perform the following safety Checks. 1. Inspect all lead dress to make certain that leads are not pinched or that hardware is not lodged between the chassis and other metal parts in the receiver. 2. Inspect all protective devices such as non-metallic control knobs, insulating fishpapers, cabinet backs, adjustment and compartment covers or shields, isolation resistor- capacity networks, mechanical insulators etc. 3 14GT15 14GT20 ADJUSTMENT PRECAUTIONS This model's setting are adjusted in two different ways: through the I2C bus control and in the conventional analog manner. The adjustments via the I2C bus control include preset-only items and variable data. 1. Setting the service mode by the microprocessor. 1. Short JA 122 & JA 124 for 1 second and release to switch to the service mode position, and the microprocessor is in input mode. (Adjustment through the I2C bus control). (Use JWS Key to set as well). 2. Press the CH DOWN / UP key on the remote controller to get ready to select the mode one by one. 3. Press the CH DOWN / UP key on the remote controller to select the modes reversibly one by one. 4. Using the VOLUME UP/ DOWN key on the remote controller, the data can be modified. 5. Short JA 122 & JA 124 for 1 second and release to switch to the normal mode (OFF) position, and the microprocessor is in out of the service mode. 2. Factory Presetting. 1. Short JA 122 & JA 124 for 1 second and release to switch to the service mode position and turn on the main power switch.Initial values are automatically preset, only when a new EEPROM is used (Judge with the first 4 bytes ). 2. The initial data are preset as listed in page 7, 8, & 9. 3. Make sure the data need modify or not (Initial data). Note: Once the chassis has been assembly together and ready to be POWER ON for the FIRST TIME, make sure to short JA122 & JA124 to switch to the service mode position first and then turn on the main power switch (See 2-(1) above). Precaution: If haven't done this initiation, it may possibly generate excessive Beam current. 3. For reference please check with memory map (UA1 Series type RH-iX3368CE Attachment) 4 14GT15 14GT20 SERVICE MODE (1) In the Service Mode, Key is used to select the mode in the following order. AGC & GEOMETRIC MODE WHITE POINT ADJ. MODE SUB ADJ. MODE Y-DELAY ADJ. MODE MISC. OPTION MODE IC OPTION MODE OFFSET ADJ. MODE FORWARD : CH DOWN KEY REVERSE : CH UP KEY AGC & GEOMETRIC MODE WHITE POINT ADJ. MODE SUB ADJ. MODE ↓ AGC TAKE OVER POINT (AGC) ↓ VERTICAL SLOPE (V-LIN) ↓ VERTICAL AMP (V-AMP) ↓ VERTICAL SHIFT (V-CENT) ↓ HORIZONTAL SHIFT (H-CENT) ↓ S-CORRECTION (S-COR) ↓ W.P. RED STD. W.T. (DRI-RS) ↓ W.P. GREEN STD. W.T.(DRI-GS) ↓ W.P.BLUE STD. W.P. (DRI-BS) ↓ W.P. RED COOL W.P.(DRI-RC) ↓ W.P. GREEN COOL W.P.(DRI-GC) ↓ W.P. BLUE COOL W.P. (DRI-BC) ↓ W.P. RED WARM W.P.(DRI-RW) ↓ W.P. GREEN WARM W.P.(DRI-GW) ↓ W.P. BLUE WARM W.P.(DRI-BW) ↓ MAX VOLUME (SUB-VOL) ↓ SUB CONTRAST (SUB-CON) ↓ SUB COLOUR (SUB-COL) ↓ SUB BRIGHTNESS (SUB-BRI) ↓ SUB TINT (SUB-TINT) ↓ SUB SHARPNESS (SUB-SHP) ↓ MAX HOTEL VOLUME (HTL-VOL) ↓ HOTEL PROGRAM NO(HTL-PRG) ↓ OSD GRB REFERENCE (RGB) ↓ BLACK LEVEL OFFSET R(CUT-R) ↓ BLACK LEVEL OFFSET G(CUT-G) ↓ CATHODE DRIVE LEVEL(CDL) FORWARD : CH DOWN KEY REVERSE : CH UP KEY *( ) means OSD display. 5 14GT15 14GT20 Y-DELAY ADJ. MODE OFFSET ADJ. MODE ↓ ↓ Y-D TIME FOR PAL (TV) (DL-PT) COLOUR OFFSET (PAL) (COL-OP) ↓ ↓ Y-D TIME FOR SECAM (TV) (DL-ST) COLOUR OFFSET (SECAM) (COL-OS) ↓ ↓ Y-D TIME FOR N358 (TV) (DL-3T) COLOUR OFFSET (NTSC358) (COL-O3) ↓ ↓ Y-D TIME FOR N443 (TV) (DL-4T) COLOUR OFFSET (NTSC443) (COL-O4) ↓ ↓ Y-D TIME FOR B/W (TV) (DL-TV) SHARPNESS OFFSET (PAL) (SHP-OP) ↓ ↓ Y-D TIME FOR PAL (AV) (DL-PA) SHARPNESS OFFSET (SECAM) (SHP-OS) ↓ ↓ Y-D TIME FOR SECAM (AV) (DL-SA) SHARPNESS OFFSET (NTSC358) (SHP-O3) ↓ ↓ Y-D TIME FOR N358 (AV) (DL-3A) SHARPNESS OFFSET (NTSC443) (SHP-O4) ↓ Y-D TIME FOR N443(AV) (DL-4A) ↓ Y-D TIME FOR B/W (AV) (DL-AV) *(Y-D : Y-DELAY) IC OPTION MODE ↓ VERTICAL SCAN DISABLE(VSD) ↓ BLACK STRETCH (BKS) ↓ AUTO VOLUME LEVELING(AVL) ↓ FAST FILTER IF-PLL(FFI) ↓ ENABLE VERTICAL GUARD (EVG) ↓ EHT TRACKING MODE (EHT) ↓ OVERSCAN SWITCH OFF(OSO) ↓ AUTO COLOUR LIMIT(ACL) ↓ FORCED COLOUR LIMIT(FCO) MISC. OPTION MODE A B ↓ SOUND SYSTEM M (S-M) ↓ SOUND SYSTEM DK (S-DK) ↓ SOUND SYSTEM I (S-I) ↓ SOUND SYSTEM BG (S-BG) ↓ PLAYBACK SECAM (P-SECAM) ↓ FE (RF) NTSC 3.58 (F-N358) ↓ FE (RF) NTSC 4.43 (F-N443) ↓ FE (RF) SECAM (F-SECAM) ↓ VIDEO MUTE AT IDENT LOSS (VMI) ↓ VIDEO MUTE AT PROGRAM /SOURCE CHANGE (VMC) ↓ HOTEL MODE (HTL) ↓ REDUCED FM DEMODULATION GAIN FOR BTSC SIGNAL (BTSC) ↓ ↓ NUMBER OF EXT AV SOURCE (AV) ↓ FM WINDOW SEVECTION (FMWS) ↓ SOUND MUTE BIT 0 (SM0) ↓ SOUND MUTE BIT 1 (SM1) ↓ THAI LANGUAGE (THA) ↓ ARABIC LANGUAGE (ARA) ↓ MALAY LANGUAGE (MAL) ↓ CHINESE LANGUAGE (CHI) ↓ FRENCH LANGUAGE (FRE) ↓ RUSSIAN LANGUAGE (RUS) ↓ FORCED V-SYNC SLICING LEVEL(FSL) ↓ SYNC OF OSD (HP2) ↓ TUNER CPT (CPT) ↓ ↓ BILINGUAL(BIL) ↓ IF AGC SPEED BIT 0 (AGC0) ↓ IF AGC SPEED BIT 1 (AGC1) ↓ FOA Time Constant-RF (FOA-FE) ↓ FOB Time Constant-RF (FOB-FE) ↓ FOA Time Constant-AV (FOA-AV) ↓ FOB Time Constant-AV (FOB-AV) A B 6 14GT15 14GT20 USER DATA IN SERVICE MODE The flow of Mode lists as following, * Direct Key-in Step1 Mode RC COMMAND SERVICE-ITEM FUNCTION AGC CONTRAST DOWN V-LIN COLOUR DOWN V-AMP BRIGHTNESS DOWN V-CENT TINT DOWN H-CENT SHARPNESS DOWN EW / / SYSTEM HB BLUEBACK S-COR TIMER SUB-VOL CONTRAST UP SUB-CON COLOUR UP SUB-COL BRIGHTNESS UP SUB-BRI TINT UP TINT SUB TINT SHARPNESS UP SUB-SHP CHANNEL 1 DRI-GS CHANNEL 4 DRI-BS CHANNEL 7 CUT-R CHANNEL FLASH BACK CUT-G 7 14GT15 14GT20 AFTER SHORT JA 122 & JA 124 ,AND TURN ON THE MAIN POWER SWITCH,READ DATA FROM EEPROM ADDRESS 00H ~ 03H,AND COMPARE TO THE LIST BELOW, IF DIFFERENT, INITIALIZE THE EEPROM. Address 00H 01H : Data : 55H : 4FH EEPROM ITEMS AGC TAKE OVER POINT VERTICAL SLOPE VERTICAL AMPLITUDE VERTICAL SHIFT HORIZONTAL SHIFT S-CORRECTION WHITE POINT RED STD WHITE TEMP WHITE POINT GREEN STD WHITE TEMP WHITE POINT BLUE STD WHITE TEMP WHITE POINT RED WARM WHITE TEMP WHITE POINT GREEN WARM WHITE TEMP WHITE POINT BLUE WARM WHITE TEMP WHITE POINT RED COOL WHITE TEMP WHITE POINT GREEN COOL WHITE TEMP WHITE POINT BLUE COOL WHITE TEMP MAX VOLUME SUB CONTRAST SUB COLOUR SUB BRIGHTNESS SUB TINT SUB SHARPNESS MAX HOTEL VOLUME HOTEL PROGRAM NUMBER OSD GRB REFERENCE BLACK LEVEL OFF-SET R BLACK LEVEL OFF-SET G CATHODE DRIVE LEVEL Y-DELAY TIME FOR PAL(TV) [YD] Y-DELAY TIME FOR SECAM(TV) [YD] Y-DELAY TIME FOR N358 (TV) [YD] Y-DELAY TIME FOR N443 (TV) [YD] Y-DELAY TIME FOR B/W (TV) [YD] Y-DELAY TIME FOR PAL (AV) [YD] Y-DELAY TIME FOR SECAM (AV) [YD] Y-DELAY TIME FOR N358 (AV) [YD] Y-DELAY TIME FOR N443 (AV) [YD] Y-DELAY TIME FOR B/W (AV) [YD] COLOUR OFFSET (PAL) COLOUR OFFSET (SECAM) COLOUR OFFSET (NTSC358) COLOUR OFFSET (NTSC443) SHARPNESS OFFSET (PAL) SHARPNESS OFFSET (SECAM) SHARPNESS OFFSET (NTSC358) SHARPNESS OFFSET (NTSC443) Address 02H 03H : Data : 43H : A1H OSD DATA LENGTH INITIAL DATA AGC 0~63 14 V-LIN 0~63 32 V-AMP 0~63 32 V-CENT 0~63 32 H-CENT 0~63 32 S-COR 0~63 0 DRI-RS 0~63 32 DRI-GS 0~63 32 DRI-BS 0~63 32 DRI-RW 0~63 32 DRI-GW 0~63 32 DRI-BW 0~63 32 DRI-RC 0~63 25 DRI-GC 0~63 32 DRI-BC 0~63 32 SUB-VOL 0~63 63 SUB-CON 0~63 63 SUB-COL 0~63 32 SUB-BRI 0~63 32 SUB-TINT 0~63 32 SUB-SHP 0~63 32 HTL-VOL 0~63 32 HTL-PRG 0~99 OR>99FOR NONE 255 RGB 0~15 15 CUT-R 0~15 8 CUT-G 0~15 8 CDL 0~15 0 DL-PT 0~15 12 DL-ST 0~15 15 DL-3T 0~15 12 DL-4T 0~15 12 DL-TV 0~15 12 DL-PA 0~15 12 DL-SA 0~15 15 DL-3A 0~15 12 DL-4A 0~15 12 DL-AV 0~15 12 COL-OP 0~15 8 COL-OS 0~15 8 COL-03 0~15 4 COL-O4 0~15 4 SHP-OP 0~15 8 SHP-OS 0~15 4 SHP-O3 0~15 12 SHP-O4 0~15 8 8 FIX/ADJ REMARK ADJ ADJ ADJ ADJ ADJ FIX FIX ADJ ADJ FIX FIX (DRI-GS)-7 DATA FIX (DRI-BS)-7 DATA FIX FIX (DRI-GS)-7 DATA FIX (DRI-BS)SAME DATA FIX FIX ADJ ADJ ADJ ADJ ADJ FIX FIX FIX FIX FIX FIX FIX FIX FIX FIX FIX FIX FIX FIX FIX FIX FIX FIX FIX FIX FIX FIX FIX 14GT15 14GT20 EEPROM ITEMS VERTICAL SCAN DISABLE BLACK STRETCH AUTOMATIC VOLUME LEVELING FAST FILTER IF-PLL ENABLE VERTICAL GUARD (RGB BLANKING) EHT TRACKING MODE (HCO) OVERSCAN SWITCH OFF AUTO COLOUR LIMIT FORCED COLOUR LIMIT SOUND SYSTEM M SOUND SYSTEM DK SOUND SYSTEM I SOUND SYSTEM BG PLAYBACK SECAM FE (RF) NTSC 3.58 FE (RF) NTSC 4.43 FE (RF) SECAM VIDEO MUTE AT IDENT LOSS VIDEO MUTE AT PROGRAM/SOURCE CHANGE HOTEL MODE REDUCED FM DEMODULATOR GAIN FOR BTSC SIGNAL NUMBER OF EXTERNAL AV SOURCE FM WINDOW SELECTION SOUND MUTE BIT 0 SOUND MUTE BIT 1 THAI LANGUAGE ARABIC LANGUAGE MALAY LANGUAGE CHINESE LANGUAGE FRENCH LANGUAGE RUSSIAN LANGUAGE FORCED V-SYNC SLICING LEVEL SYNC OF OSD TUNER CPT BILINGUAL IF AGC SPEED BIT 0 IF AGC SPEED BIT 1 PHI-1 TIME CONSTANT (RF) PHI-1 TIME CONSTANT (RF) PHI-1 TIME CONSTANT (OFF AIR) PHI-1 TIME CONSTANT (OFF AIR) OSD VSD BKS AVL FFI EVG EHT OSO ACL FCO S-M S-DK S-I S-BG P-SECAM F-N358 F-N443 F-SECAM VMI VMC HTL BTSC AV FMWS SM0 SM1 THA ARA MAL CHI FRE RUS FSL HP2 CPT BIL AGC0 AGC1 FOA-FE FOB-FE FOA-AV FOB-AV DATA LENGTH INITIAL DATA 0(DISABLE)/1(ENABLE) 0 0(DISABLE)/1(ENABLE) 1 0(DISABLE)/1(ENABLE) 1 0(DISABLE)/1(ENABLE) 0 0(DISABLE)/1(ENABLE) 1 0(DISABLE)/1(ENABLE) 1 0(DISABLE)/1(ENABLE) 0 0(DISABLE)/1(ENABLE) 0 0(DISABLE)/1(ENABLE) 0 0(DISABLE)/1(ENABLE) 0 0(DISABLE)/1(ENABLE) 1 0(DISABLE)/1(ENABLE) 1 0(DISABLE)/1(ENABLE) 1 0(DISABLE)/1(ENABLE) 1 0(DISABLE)/1(ENABLE) 0 0(DISABLE)/1(ENABLE) 1 0(DISABLE)/1(ENABLE) 1 0(DISABLE)/1(ENABLE) 1 0(DISABLE)/1(ENABLE) 1 0(DISABLE)/1(ENABLE) 0 0(DISABLE)/1(ENABLE) 0 0 FOR1 AV/1 FOR 2AV 1 0(DISABLE)/1(ENABLE) 0 0(DISABLE)/1(ENABLE) 1 0(DISABLE)/1(ENABLE) 0 0(DISABLE)/1(ENABLE) 0 0(DISABLE)/1(ENABLE) 1 0(DISABLE)/1(ENABLE) 1 0(DISABLE)/1(ENABLE) 1 0(DISABLE)/1(ENABLE) 1 0(DISABLE)/1(ENABLE) 1 0(DISABLE)/1(ENABLE) 0 0(DISABLE)/1(ENABLE) 0 0(BRAZIL)/1(ARGENTINA) 0 0(DISABLE)/1(ENABLE) 0 0(DISABLE)/1(ENABLE) 1 0(DISABLE)/1(ENABLE) 0 0(DISABLE)/1(ENABLE) 0 0(DISABLE)/1(ENABLE) 0 0(DISABLE)/1(ENABLE) 1 0(DISABLE)/1(ENABLE) 1 FIX/ADJ FIX FIX FIX FIX FIX FIX FIX FIX FIX FIX FIX FIX FIX FIX FIX FIX FIX FIX FIX FIX FIX FIX FIX FIX FIX FIX FIX FIX FIX FIX FIX FIX FIX FIX FIX FIX FIX FIX FIX FIX FIX NOTE : FIXED DATA,PLEASE DO NOT CHANGE WITHOUT SPECIFIC INSTRUCTION. *1: MANUALLY CHANGE TO 0. *2: FOR 14GT15, MANUALLY CHANGE TO 0. *3: MANUALLY CHANGE TO 1. *4: MANUALLY CHANGE TO 0. 9 REMARK ONLY BLK *1 *1 *1 *1 *1 *2 *3 *4 *4 *4 *4 *4 14GT15 14GT20 SHIPPING SETTING & CHECKING (1) The following default data has been factory-set for the E2PROM. ITEMS LAST PROGRAM/CHANNEL FLASHBACK PROGARM/CH DIGIT C-SYSTEM S-SYSTEM SKIP AFC VOLUME CONTRAST COLOUR BRIGHTNESS TINT SHARPNESS WHITE TEMP REMINDER TIMER ON TIMER OFF TIMER LAST POWER LANGUAGE BLUE BACK MUTE HOTEL MODE 0 CHANNEL SKIP DATA SETTING 1 1 1 AUTO B/G OFF ON 1 60 (MAX) 0 (CENTER) 0 (CENTER) 0 (CENTER) 0 (CENTER) STANDARD In-active, "--:--" In-active, "--:--" In-active, "--:--" POWER-ON ENGLISH OFF OFF ON AFTER PRESSING MODEL SETTING, 0 CHANNEL WILL BE SKIPPED. 10 14GT15 14GT20 PIF ADJUSTMENT No. Adjusting point 1 Tuner IFT ( PRESET ) Adjusting procedure/conditions 1. Get the tuner ready to receive the CH. E - 9 signal,but with no signal input. Adjust the PLL data. 2. Connect the sweep generator's output cable to the tuner antenna. ( RF SWEEP ) 3. Adjust the sweep generator's to 80dBuV. 4. Connect the response lead ( use LOW IMPEDANCE probe with wave detector ; see Fig.1 ) to the tuner's IF output terminal. ( This terminal must have the probe alone connected ). 5. Set the RF AGC to 0 - 6 V with no saturation with the waveform. 6. Adjust the tuner IF coil to obtain the waveform as shown in Fig. 2. Note: Be sure to keep the tuner cover in position during this adjustment. 2 RF-AGC TAKE OVER POINT ADJUSTMENT (I2C BUS CONTROL) 1. Receive "PAL COLOUR BAR" signal. » Signal Strength: 57 ± 1 dBµV (75 ohm open) 2. Connect the oscilloscope to TP201 (Tuner’s AGC Terminal) as shown in Fig. 3. Oscilloscope + 0.1V – TP201 TV Set Bias box + – » Bias box: About 4.5 V Fig. 3 3. Call "AGC" mode in service mode. Adjust the "AGC" bus data to obtain the Tuner output pin drop 0.1V below maximum voltage. 4. Change the antenna input signal to 63~67dBµV, and make sure there is no noise. 5. Turn up the input signal to 90~95 dBµV to be sure that there is no cross modulation beat. 11 Waveform and others 1n60 10k 1000p Oscilloscope IF OUT 100k 75ohm Fig.1 E-9 CH P C -1.5+/-0.8dB Fig.2 Note: For the 50 ohm signal strength gauge, when not using 50/75 impedance adapter, signal strength is 52±1dBµV(75 ohm open), instead of 57±1dBµV (75 ohm open). Precaution: The loss of using impedance adapter 14GT15 14GT20 PURITY ADJUSTMENT No. Adjusting point 1 PURITY ADJ. Adjusting procedure/conditions 1. Receive the GREEN-ONLY signal. Adjust the beam current to about 500 µA. 2. Maintain the purity magnet at the zero magnetic field and keep the static convergence roughly adjusted. 3. Observe the points a, b as shown in Fig. 4-1 through the microscope. Adjust the landing to the A rank requirements. 4. Orient the raster rotation to 0 eastward. 5. Tighten up the deflection coil screws. » Tightening torque: 108 ± 20 N (11 ± 2 kgf) 6. Make sure the CRT corners landing meet the A rank requirements. If not, stick the magnet sheet to correct it. Note: This adjustment must be done after warming up the unit for 30 minutes or longer with a beam current over 500 µA. Waveform and others a b Fig. 4-1 A B A=B Fig. 4-2 Rank "A" (on the right of the CRT) A B A=B Fig. 4-3 Rank "A" (on the left of the CRT) 12 14GT15 14GT20 CONVERGENCE ADJUSTMENT No. Adjusting point 1 CONVERGENC ADJ. ( To be done after the purity adjustment. Adjusting procedure/conditions Waveform and others 1. Receive the "Crosshatch Pattern" signal. 2. Using the remote controller, call NORMAL mode. BGR B G R STATIC CONVERGENCE 1. Turn the 4-pole magnet to a proper opening angle in order to superpose the blue and red colours. 2. Turn the 6-pole magnet to a proper opening angle in order to superpose the green colour over the blue and red colours. DYNAMIC CONVERGENCE 1. Adjust the convergence on the fringes of the screen in the following steps. a) Fig. 5-1: Drive the wedge at point "a" and swing the deflection coil upward. b) Fig. 5-2: Drive the wedge at points "b" and "c" and swing the deflection coil downward. c) Fig. 5-3: Drive the "c" wedge deeper and swing the deflection coil rightward. d) Fig. 5-4: Drive the "b" wedge deeper and swing the deflection coil leftward. 2. Fix all the wedges on the CRT and apply glass tape over them. 3. Apply lacquer to the deflection yoke lock screw, magnet unit (purity, 4-pole, 6-pole magnets) and magnet unit lock screw. Fig. 5-1 RGB R G B Fig. 5-2 RGB B G R Fig. 5-3 BGR R G B Finally received the Red-only and Blue-only signals to make sure there is no other colours on the screen. Fig. 5-4 Wedge "a" About 100° About 100° Lacquer Wedge "b" Wedge "c" 4-pole magnet 6-pole magnet CRT neck Lacquer Purity magnet 13 40cm 14GT15 14GT20 CUT-OFF, BACKGROUND AND SUB-CONTRAST ADJUSTMENT No. Adjusting point 1 CRT CUTOFF ADJUSTMENT (I2C BUS CONTROL) Adjusting procedure/conditions 1. Switch TV to VIDEO mode,BLUE BACK OFF, with NO VIDEO signal. 2. Press R/C to set Picture Normal condition. 3. Connect the oscilloscope to Red OUT from IC801.(TP851) Range Sweep Waveform and others 3.0Vdc : 1 V/Div (DC) : 5 msec/Div 1V 4. Adjust SCREEN VR ,so that the tip of signal reach 3.0 Vdc + 0.1 Vdc. 2 3 SUB-BRIGHTNESS ADJUSMENT (I2C BUS CONTROL) WHITE BALANCE SERVICE MODE ADJ. (I2C BUS CONTROL) 1. Call " SUB-BRI" in service mode. (Receive Crosshatch pattern with 5 black level windows) 2. Adjust the " SUB BRIGHT " bus data in order that the line 1, 2 and 3 have the same darkness whereas line 4 is slightly brighter than line 1, 2 and 3 and finally line 5 will be the brighter than line 4. 1. Receive the "WHITE" pattern with BURST signal. 2. Press R/C to set Picture NORMAL condition. 3. Connect the DC miliammeter between TP602 (-) and TP603 (+). 4. Check Beam current should be around 800 µA. 5. Set it to service mode and adjust the " WPG" (WhitePoint-G), "WPB" (White Point-B) data to have a colour temperature of 12,300°K ( white ). * Note . 6. Receive "WHITE" pattern, with BURST signal, and set Brightness Y by generator, to **10cd/m2 Minolta CA-100) by reducing Luminate Y signal. 7. Adjust "CUT-R" & "CUT-G" to get 12,300°K . Then go back normal mode. (High Bright)** to check colour temperature. If out of range, back to 1. Note: This adjustment must be done after warming up the unit for 30 minutes or longer with a beam current over 500µA). * Adjust DRI-GC/GW, DRI-BC/BW as following data, after finishing DRI-GS and DRI-BS: D R I GC=DRI-GW="DRI-GS"-7:DRI-BW="DRI-BS"7:DRI-RC=25:DRI-BC=DRI-BS:DRI-RW=32 ** Low=10cd/m2:High=200cd/m2 4 Maximum beam check 1. Receive the "Monoscope Pattern" signal. 2. Press R/C to set Picture NORMAL condition. 3. Connect the DC miliammeter between TP603 (+) and TP602 (–). (Full Scale: 3 mA Range) 4. Beam current must be within 800 ± 100 µA. 14 0 1 2 3 4 5 1, 2, 3 are in same black level. * 12300°K X : 0.272 Y : 0.275 (MINOLTA COLOUR ANALYZER CA-100) *Note: Above Data can be UP/ DOWN by Volume key. 14GT15 14GT20 HORIZONTAL AND VERTICAL DEFLECTION LOOP ADJUSTMENT No. Adjusting point Adjusting procedure/conditions 1 V-SLOPE (I2C BUS CONTROL) 1. Receive Monoscope Pattern Signal. 2. Call the "V-LIN" mode. 3. Increase or decrease "V-LIN" by Volume key till the horizontal line in the center of monoscope is just at the position where the blanking starts. 2 V-SHIFT 50 (I2C BUS CONTROL) 1. Call the "V-CENT" mode. 2. Increase or decrease "V-CENT" by Volume key till the picture is centered. 3 V - AMP 50 (I2C 1. Call the "V-AMP" mode. BUS CON2. Increase or decrease "V - AMP" by Volume key TROL) to set overscan of 9.5% typical. Adjustment Spec 9.5% range +1% -0%. 4 S-CORRECTION (I2C BUS CONTROL) FIXED DATA, NO NEED TO ADJUST. 5 H - SHIFT (50) (H-CENTER) (I2C BUS CONTROL) 1. Call the "H-CENT" mode. 2. Increase or decrease "H-CENT" by Volume key to center the picture horizontal. 6 SUB-SHARPNESS 1. Call the "SUB-SHP" mode. 2. Set "SUB-SHP" to 20 by pressing volume down button. 7 Focus 1. Receive the "Monoscope Pattern" signal. 2. Press R/C to set Picture NORMAL condition. 3. Adjust the focus control to get the best focus. Waveform and others PAL CHROMA ADJUSTMENT No. Adjusting point 1 SUB COLOUR (I2C BUS CONTROL) Adjusting procedure/conditions 1. Receive the "PAL Colour Bar" signal. 2. Press R/C to set Picture Normal condition. 3. Connect the oscilloscope to Red cathode(TP854). » Range : 20 V/div. (AC) (Using 10:1 probe) » Sweep time : 10 µsec/div. 4. Using the R/C call "SUB COL" in SERVICE mode. Adjust SUB COLOUR bus data, so that the 75% White & Red portions of PAL Colour Bar be at the same level shown as Fig. 8. 5. Clear the SERVICE mode. 15 Waveform and others Cy G W Y 100%W Mg R 75% Fig. 8 B 14GT15 14GT20 NTSC CHROMA ADJUSTMENT No. Adjusting point 1 SUB-TINT (I2C BUS CONTROL) Adjusting procedure/conditions 1. Receive the "NTSC3.58 Colour Bar" signal through AV in. 2. Connect the oscilloscope to TP853 (Pin (5) of P882) BLUE-OUT. » Range : 100mV/div. (AC)(Use Probe 10:1) » Sweep time : 10 µsec/div. 3. Call the "SUB-TINT" mode in service mode. Adjust the "SUB-TINT" bus data to obtain the waveform shown as Fig. 9. 4. Clear the SERVICE mode. Waveform and others (SAME LEVEL) W Y Cy G Mg R B Fig. 9 PROTECTOR OPERATION CHECKING No. Adjusting point Adjusting procedure/conditions Waveform and others * Select one of Q883/5/7 to do each short test. 1 BEAM PROTECTOR 1. Receive "Monoscope Pattern" signal. 2. Set CONTRAST MAX. 3. Set BRIGHT MAX. 4. During the Collector & Emitter of Q883/5/7 short, make sure the protector ON and switch to standby mode. 2 H, V PROTECTOR 1. Receive "Monoscope Pattern" signal. 2. Connect output of Bias Box to D607 cathode (R606 side). 3. Set voltage of Bias Box to 18V and make sure the protector is not work. 4. Set voltage of Bias Box to 27V, and make sure the protector is work. 3 Other protectors 1. Once finish rectified Electrolytic Capacitor short testing in +B line, check all possible damaged components on +B line. (Use random selected set for inspection) A/V INPUT AND OUTPUT CHECKING No. Adjusting point Adjusting procedure/conditions 1 VIDEO AND AUDIO OUTPUT CHECK 1. Receive the "PAL Color Bar" signal (100% White Color Bar, Sound 400 Hz 100% Mod.) 2. Terminate the Video output with a 75 ohm impedance. Make sure the output is as specified (1.0 Vp-p ±3 dB). 3. Terminate the Audio output with a 10k ohm impedance. Make sure the output is as specified (1.76 Vp-p ±3 dB). 2 VIDEO AND AUDIO INPUT CHECK 1. Using the TV/AV key on the remote controller, make sure that the modes change in order of TV, AV1, AV2 & TV again and the video & audio output are according to the input terminal for each mode. 16 Waveform and others 14GT15 14GT20 FUNCTION OPERATION CHECKING (VIDEO AND AUDIO) No. Adjusting point Adjusting procedure/conditions 1 CONTRAST key 1. Receive "Monoscope Pattern" signal. 2. Set P-Mode to select CONTRAST. 3. Press Volume Up/Down key to check whether the CONTRAST effect is OK or not. 2 COLOUR key 1. Receive "Color Bar" signal. 2. Set P-Mode to select COLOUR. 3. Press Volume Up/Down key to check whether the COLOUR effect is OK or not. 3 BRIGHTNESS key 1. Receive "Monoscope Pattern" signal. 2. Set P-Mode to select BRIGHTNESS. 3. Press Volume Up/Down key to check whether the BRIGHTNESS effect is OK or not. 4 TINT key 1. Receive the "NTSC Colour Bar" signal thru AV in. 2. Set P-Mode to select TINT. 3. Press Volume Up/Down key to check TINT, UP for GREEN direction and DOWN for PURPLE direction whether is OK or not. 5 SHARPNESS Key 1. Receive "Monoscope Pattern" signal. 2. Set P-mode to select SHARPNESS. 3. Press Volume Up/Down key to check whether the SHARPNESS effect is OK or not. 6 CH DISPLAY COLOUR 1. All Ch (1~99) will have an OSD display of the channel number in green colour under AFT ON condition. 7 NORMAL Key 1. Once in PICTURE Mode, and the NORMAL key is pressed, all the settings will be present to normal setting. (Normal setting value for every mode). » CONTRAST » COLOUR » BRIGHTNESS » TINT » SHARPNESS 8 WHITE TEMP : MAX : CENTER : CENTER : CENTER : CENTER 1. Receive "Monoscope Pattern" signal. 2. Set FUNCTION to select WHITE TEMP. 3. Press Volume Up/Down key to check WHITE TEMP Option, STANDARD: NORMAL SETTING, WARM for more REDDISH direction changing, COOL for more BLUISH direction changing. 17 Waveform and others Notes:If nothing is display mean contrast, colour, bright, tint, sharpness are all in normal setting. 14GT15 14GT20 FUNCTION OPERATION CHECKING (VIDEO AND AUDIO) (Continued) No. Adjusting point Adjusting procedure/conditions 9 COLOUR SYSTEM 1. Receive the "PAL COLOUR BAR" signal, press the COLOUR SYSTEM key to select modes except PAL, check the COLOUR is not working properly. Then, select the "PAL" mode. Check again its colour so that it is working properly. 2. Receive "NTSC 4.43/3.58 COLOUR BAR" signal through AV, press COLOUR SYSTEM key to select modes except N4.43/3.58, check the COLOUR is not working properly. Then, select the "NTSC 4.43/3.58" mode. Check again its colour so that it is working properly. 10 SOUND SYSTEM 1. Receive "PAL-B/G" signal, and check the sound output is working properly or not. 11 NOISE MUTE CHECKING 1. Receive "PAL COLOUR BAR" signal. 2. Turn up the volume control to maximum, make sure the sound is heard from the speakers. Then put the unit in no signal state. 3. Check the sound mute is effective. 4. Finally turn sound level of CTV to minimum. 12 OSD LANGUAGE QUANTITY CHECK Check OSD LANGUAGE quantity and type as below: ENGLISH, THAI. Waveform and others HEADPHONE JACK CHECKING (FOR B & C MODELS ONLY) No. Adjusting point 1 HEADPHONE OUTPUT CHECKING Adjusting procedure/conditions 1. Receive PAL COLOUR PAR with SOUND 400Hz, 100% MODULATION (±50kHz Dev). 2. Maximum volume, and check the headphone output with 400Hz sound and no sound out from speaker. 18 Waveform and others 14GT15 14GT20 MEMORY MAP ADDRESS (HEX) 00 01 02 03 04 05 06 07 08 09 0A 0B 0C 0D 0E 0F 10 11 12 13 14 15 16 17 18 19 1A 1B 1C 1D 1E 1F 20 21 22 23 24 25 26 27 28 29 2A 2B 2C 2D 2E 2F 30 31 32 33 34 35 36 37 38 39 3A 3B 3C 3D 3E 3F D7 D6 D5 DATA D4 D3 PASS WORD PASS WORD PASS WORD PASS WORD D2 D1 D0 MICON DEFAULT 55 4F 43 A1 E2PROM E2PROM CHASSIS CTV FINAL LAST INITIAL RANGE WRITE(CPU) CHECK DATA CHECK TYPE CHECK DATA CHECK TYPE SETTING DATA REMARK 00-FF 00-FF 00-FF 00-FF AGC TAKE-OVER V-SLOPE V-AMPLITUDE V-CENTER H-CENTER H-SIZE EW-PARALLELOGRAM EW-PARABOLA/WIDTH EW-UPPER CORNER EW-LOWER CORNER EW-TRAPEZIUM HORIZONTAL-BOW S-CORRECTION 0E 20 20 20 20 20 20 20 20 20 20 20 00 00-3F 00-3F 00-3F 00-3F 00-3F 00-3F 00-3F 00-3F 00-3F 00-3F 00-3F 00-3F 00-3F DRIVER-R (STANDARD) DRIVER-G (STANDARD) DRIVER-B (STANDARD) DRIVER-R (WARM) DRIVER-G (WARM) DRIVER-B (WARM) DRIVER-R (COOL) DRIVER-G (COOL) DRIVER-G (COOL) 20 20 20 20 20 20 19 20 20 00-3F 00-3F 00-3F 00-3F 00-3F 00-3F 00-3F 00-3F 00-3F 3F 3F 20 20 20 20 20 FF 00-3F 00-3F 00-3F 00-3F 00-3F 00-3F 00-3F 00-3F 20 08 08 00 0C 0F 0C 0C 0C 0C 0F 0C 0F 0C 08 08 04 04 08 MODEL 00-3F 00-3F 00-3F 00-3F 00-3F 00-3F 00-3F 00-3F 00-3F 00-3F 00-3F 00-3F 00-3F 00-3F 00-3F 00-3F 00-3F 00-3F 00-3F MODEL LETTER NO. LETTER NO. SUB-VOLUME SUB-CONTRAST SUB-COLOUR SUB-BRIGHTNESS SUB-TINT SUB-SHARPNESS HTL-VOLUME HTL-POSITION OSD-ENCEREFER CUTOFF LEVEL-OFFSET R CUTOFF LEVEL-OFFSET B CATHODE DRIVE LEVEL Y-DELAY (TV PAL) Y-DELAY (TV SECAM) Y-DELAY (TV N358) Y-DELAY (TV N443) Y-DALAY (TV BW) Y-DELAY (AV PAL) Y-DELAY (AV SECAM) Y-DELAY (AV N443) Y-DELAY (AV N358) Y-DELAY (AV BW) COLOUR-OFFSET (PAL) COLOUR-OFFSET (SECAM) COLOUR-OFFSET (N443) COLOUR-OFFSET (N358) SHARPNESS-OFFSET (PAL) 19 14GT15 14GT20 ADDRESS (HEX) 40 41 42 43 44 45 46 47 48 49 4A 4B 4C 4D 4E 4F 50 51 52 53 54 55 56 57 58 59 5A 5B 5C 5D 5E 5F 60 61 62 63 64 65 66 67 68 69 6A 6B 6C 6D 6E 6F 70 71 72 73 74 75 76 77 78 79 7A 7B 7C 7D 7E 7F MICON E2PROM E2PROM CHASSIS CTV FINAL LAST INITIAL D3 D2 D1 D0 DEFAULT RANGE WRITE(CPU) CHECK DATA CHECK TYPE CHECK DATA CHECK TYPE SETTING DATA REMARK SHARPNESS-OFFSET (SECAM) 04 00-0F SHARPNESS-OFFSET (N443) 0C 00-0F SHARPNESS-OFFSET (N358) 08 00-0F DATA D7 D6 FCO SCM ACL N443 SM HP2 FSL D5 D4 OSO EHT EVG FFI N358 PB-SEC BG I FMWS AV BTSC HTL RUS FRA CHN MLY AGC AVL DK VMC ARB BIL BKS M VMI THA OBA 00-FF 00-FF 00-FF 00-FF 00-FF VOLUME CONTRAST COLOUR BRIGHTNESS TINT SHARPNESS SKIP 0 SKIP 8 SKIP 16 SKIP 24 SKIP 32 SKIP 40 SKIP 48 SKIP 56 SKIP 64 SKIP 72 SKIP 80 SKIP 88 SKIP 96 SKIP 1 SKIP 9 SKIP 17 SKIP 25 SKIP 33 SKIP 41 SKIP 49 SKIP 57 SKIP 65 SKIP 73 SKIP 81 SKIP 89 SKIP 97 01 3C 1E 1E 1E 1E 00-3C 00-3C 00-3C 00-3C 00-3C 00-3C POSITION/AV1/AV2 FAV-POS A FAV-POS B FAV-POS C FAV-POS D 01 0A 14 1E 28 00-FF 00-FF 00-FF 00-FF 00-FF POWER WHITE-TEMP BLUE BACK LANGUAGE DIGIT 00 00 00 00 00 00-01 00-02 00-01 00-07 00-01 80 00 00 00 00 00 00 00 00 00 00 00 00 00-FF 00-FF 00-FF 00-FF 00-FF 00-FF 00-FF 00-FF 00-FF 00-FF 00-FF 00-FF 00-FF SKIP 2 SKIP 10 SKIP 18 SKIP 26 SKIP 34 SKIP 42 SKIP 50 SKIP 58 SKIP 66 SKIP 74 SKIP 82 SKIP 90 SKIP 98 SKIP 3 SKIP 11 SKIP 19 SKIP 27 SKIP 35 SKIP 43 SKIP 51 SKIP 59 SKIP 67 SKIP 75 SKIP 83 SKIP 91 SKIP 99 SKIP 4 SKIP 12 SKIP 20 SKIP 28 SKIP 36 SKIP 44 SKIP 52 SKIP 60 SKIP 68 SKIP 76 SKIP 84 SKIP 92 SKIP 5 SKIP 13 SKIP 21 SKIP 29 SKIP 37 SKIP 45 SKIP 53 SKIP 61 SKIP 69 SKIP 77 SKIP 85 SKIP 93 SKIP 6 SKIP 14 SKIP 22 SKIP 30 SKIP 38 SKIP 46 SKIP 54 SKIP 62 SKIP 70 SKIP 78 SKIP 86 SKIP 94 TUNING FREQUENCY (HIGHER PART) TUNING FREQUENCY (LOWER PART) S-SYS AFT (auto) TUNING FREQUENCY (HIGHER PART) TUNING FREQUENCY (LOWER PART) S-SYS AFT (auto) TUNING FREQUENCY (HIGHER PART) TUNING FREQUENCY (LOWER PART) S-SYS AFT (auto) TUNING FREQUENCY (HIGHER PART) TUNING FREQUENCY (LOWER PART) S-SYS AFT (auto) SKIP 7 SKIP 15 SKIP 23 SKIP 31 SKIP 39 SKIP 47 SKIP 55 SKIP 63 SKIP 71 SKIP 79 SKIP 87 SKIP 95 S-SYS 000:BG 001:I 010:DK 011:M C-SYS POS 0 POS 1 C-SYS AFT 0:OFF 1:ON C-SYS POS 2 POS 3 C-SYS MODEL MODEL LETTER NO. LETTER NO. 20 14GT15 14GT20 ADDRESS (HEX) 80 81 82 83 84 85 86 87 88 89 8A 8B 8C 8D 8E 8F 90 91 92 93 94 95 96 97 98 99 9A 9B 9C 9D 9E 9F A0 A1 A2 A3 A4 A5 A6 A7 A8 A9 AA AB AC AD AE AF B0 B1 B2 B3 B4 B5 B6 B7 B8 B9 BA BB BC BD BE BF D7 DATA D5 D4 D3 D2 D1 TUNING FREQUENCY (HIGHER PART) TUNING FREQUENCY (LOWER PART) S-SYS AFT (auto) TUNING FREQUENCY (HIGHER PART) TUNING FREQUENCY (LOWER PART) S-SYS AFT (auto) TUNING FREQUENCY (HIGHER PART) TUNING FREQUENCY (LOWER PART) S-SYS AFT (auto) TUNING FREQUENCY (HIGHER PART) TUNING FREQUENCY (LOWER PART) S-SYS AFT (auto) TUNING FREQUENCY (HIGHER PART) TUNING FREQUENCY (LOWER PART) S-SYS AFT (auto) TUNING FREQUENCY (HIGHER PART) TUNING FREQUENCY (LOWER PART) S-SYS AFT (auto) TUNING FREQUENCY (HIGHER PART) TUNING FREQUENCY (LOWER PART) S-SYS AFT (auto) TUNING FREQUENCY (HIGHER PART) TUNING FREQUENCY (LOWER PART) S-SYS AFT (auto) TUNING FREQUENCY (HIGHER PART) TUNING FREQUENCY (LOWER PART) S-SYS AFT (auto) TUNING FREQUENCY (HIGHER PART) TUNING FREQUENCY (LOWER PART) S-SYS AFT (auto) TUNING FREQUENCY (HIGHER PART) TUNING FREQUENCY (LOWER PART) S-SYS AFT (auto) TUNING FREQUENCY (HIGHER PART) TUNING FREQUENCY (LOWER PART) S-SYS AFT (auto) TUNING FREQUENCY (HIGHER PART) TUNING FREQUENCY (LOWER PART) S-SYS AFT (auto) TUNING FREQUENCY (HIGHER PART) TUNING FREQUENCY (LOWER PART) S-SYS AFT (auto) TUNING FREQUENCY (HIGHER PART) TUNING FREQUENCY (LOWER PART) S-SYS AFT (auto) TUNING FREQUENCY (HIGHER PART) TUNING FREQUENCY (LOWER PART) S-SYS AFT (auto) TUNING FREQUENCY (HIGHER PART) TUNING FREQUENCY (LOWER PART) S-SYS AFT (auto) TUNING FREQUENCY (HIGHER PART) TUNING FREQUENCY (LOWER PART) S-SYS AFT (auto) TUNING FREQUENCY (HIGHER PART) TUNING FREQUENCY (LOWER PART) S-SYS AFT (auto) TUNING FREQUENCY (HIGHER PART) TUNING FREQUENCY (LOWER PART) S-SYS AFT (auto) TUNING FREQUENCY (HIGHER PART) TUNING FREQUENCY (LOWER PART) S-SYS AFT (auto) TUNING FREQUENCY (HIGHER PART) D6 MICON E2PROM E2PROM CHASSIS CTV FINAL LAST INITIAL DEFAULT RANGE WRITE(CPU) CHECK DATA CHECK TYPE CHECK DATA CHECK TYPE SETTING DATA REMARK POS 4 D0 C-SYS POS 5 C-SYS POS 6 C-SYS POS 7 C-SYS POS 8 C-SYS POS 9 C-SYS POS 10 C-SYS POS 11 C-SYS POS 12 C-SYS POS 13 C-SYS POS 14 C-SYS POS 15 C-SYS POS 16 C-SYS POS 17 C-SYS POS 18 C-SYS POS 19 C-SYS POS 20 C-SYS POS 21 C-SYS POS 22 C-SYS POS 23 C-SYS POS 24 C-SYS POS 25 MODEL MODEL LETTER NO. LETTER NO. 21 14GT15 14GT20 ADDRESS (HEX) C0 C1 C2 C3 C4 C5 C6 C7 C8 C9 CA CB CC CD CE CF D0 D1 D2 D3 D4 D5 D6 D7 D8 D9 DA DB DC DD DE DF E0 E1 E2 E3 E4 E5 E6 E7 E8 E9 EA EB EC ED EE EF F0 F1 F2 F3 F4 F5 F6 F7 F8 F9 FA FB FC FD FE FF D7 DATA D5 D4 D3 D2 D1 TUNING FREQUENCY (LOWER PART) S-SYS AFT (auto) TUNING FREQUENCY (HIGHER PART) TUNING FREQUENCY (LOWER PART) S-SYS AFT (auto) TUNING FREQUENCY (HIGHER PART) TUNING FREQUENCY (LOWER PART) S-SYS AFT (auto) TUNING FREQUENCY (HIGHER PART) TUNING FREQUENCY (LOWER PART) S-SYS AFT (auto) TUNING FREQUENCY (HIGHER PART) TUNING FREQUENCY (LOWER PART) S-SYS AFT (auto) TUNING FREQUENCY (HIGHER PART) TUNING FREQUENCY (LOWER PART) S-SYS AFT (auto) TUNING FREQUENCY (HIGHER PART) TUNING FREQUENCY (LOWER PART) S-SYS AFT (auto) TUNING FREQUENCY (HIGHER PART) TUNING FREQUENCY (LOWER PART) S-SYS AFT (auto) TUNING FREQUENCY (HIGHER PART) TUNING FREQUENCY (LOWER PART) S-SYS AFT (auto) TUNING FREQUENCY (HIGHER PART) TUNING FREQUENCY (LOWER PART) S-SYS AFT (auto) TUNING FREQUENCY (HIGHER PART) TUNING FREQUENCY (LOWER PART) S-SYS AFT (auto) TUNING FREQUENCY (HIGHER PART) TUNING FREQUENCY (LOWER PART) S-SYS AFT (auto) TUNING FREQUENCY (HIGHER PART) TUNING FREQUENCY (LOWER PART) S-SYS AFT (auto) TUNING FREQUENCY (HIGHER PART) TUNING FREQUENCY (LOWER PART) S-SYS AFT (auto) TUNING FREQUENCY (HIGHER PART) TUNING FREQUENCY (LOWER PART) S-SYS AFT (auto) TUNING FREQUENCY (HIGHER PART) TUNING FREQUENCY (LOWER PART) S-SYS AFT (auto) TUNING FREQUENCY (HIGHER PART) TUNING FREQUENCY (LOWER PART) S-SYS AFT (auto) TUNING FREQUENCY (HIGHER PART) TUNING FREQUENCY (LOWER PART) S-SYS AFT (auto) TUNING FREQUENCY (HIGHER PART) TUNING FREQUENCY (LOWER PART) S-SYS AFT (auto) TUNING FREQUENCY (HIGHER PART) TUNING FREQUENCY (LOWER PART) S-SYS AFT (auto) TUNING FREQUENCY (HIGHER PART) TUNING FREQUENCY (LOWER PART) S-SYS AFT (auto) D6 MICON E2PROM E2PROM CHASSIS CTV FINAL LAST INITIAL DEFAULT RANGE WRITE(CPU) CHECK DATA CHECK TYPE CHECK DATA CHECK TYPE SETTING DATA REMARK D0 C-SYS POS 26 C-SYS POS 27 C-SYS POS 28 C-SYS POS 29 C-SYS POS 30 C-SYS POS 31 C-SYS POS 32 C-SYS POS 33 C-SYS POS 34 C-SYS POS 35 C-SYS POS 36 C-SYS POS 37 C-SYS POS 38 C-SYS POS 39 C-SYS POS 40 C-SYS POS 41 C-SYS POS 42 C-SYS POS 43 C-SYS POS 44 C-SYS POS 45 C-SYS MODEL MODEL LETTER NO. LETTER NO. 22 14GT15 14GT20 ADDRESS (HEX) 100 101 102 103 104 105 106 107 108 109 10A 10B 10C 10D 10E 10F 110 111 112 113 114 115 116 117 118 119 11A 11B 11C 11D 11E 11F 120 121 122 123 124 125 126 127 128 129 12A 12B 12C 12D 12E 12F 130 131 132 133 134 135 136 137 138 139 13A 13B 13C 13D 13E 13F MICON E2PROM E2PROM CHASSIS CTV FINAL LAST INITIAL DEFAULT RANGE WRITE(CPU) CHECK DATA CHECK TYPE CHECK DATA CHECK TYPE SETTING DATA REMARK POS 46 POS 47 DATA D7 D6 D5 D4 D3 D2 TUNING FREQUENCY (HIGHER PART) TUNING FREQUENCY (LOWER PART) S-SYS AFT (auto) TUNING FREQUENCY (HIGHER PART) TUNING FREQUENCY (LOWER PART) S-SYS AFT (auto) TUNING FREQUENCY (HIGHER PART) TUNING FREQUENCY (LOWER PART) S-SYS AFT (auto) TUNING FREQUENCY (HIGHER PART) TUNING FREQUENCY (LOWER PART) S-SYS AFT (auto) TUNING FREQUENCY (HIGHER PART) TUNING FREQUENCY (LOWER PART) S-SYS AFT (auto) TUNING FREQUENCY (HIGHER PART) TUNING FREQUENCY (LOWER PART) S-SYS AFT (auto) TUNING FREQUENCY (HIGHER PART) TUNING FREQUENCY (LOWER PART) S-SYS AFT (auto) TUNING FREQUENCY (HIGHER PART) TUNING FREQUENCY (LOWER PART) S-SYS AFT (auto) TUNING FREQUENCY (HIGHER PART) TUNING FREQUENCY (LOWER PART) S-SYS AFT (auto) TUNING FREQUENCY (HIGHER PART) TUNING FREQUENCY (LOWER PART) S-SYS AFT (auto) TUNING FREQUENCY (HIGHER PART) TUNING FREQUENCY (LOWER PART) S-SYS AFT (auto) TUNING FREQUENCY (HIGHER PART) TUNING FREQUENCY (LOWER PART) S-SYS AFT (auto) TUNING FREQUENCY (HIGHER PART) TUNING FREQUENCY (LOWER PART) S-SYS AFT (auto) TUNING FREQUENCY (HIGHER PART) TUNING FREQUENCY (LOWER PART) S-SYS AFT (auto) TUNING FREQUENCY (HIGHER PART) TUNING FREQUENCY (LOWER PART) S-SYS AFT (auto) TUNING FREQUENCY (HIGHER PART) TUNING FREQUENCY (LOWER PART) S-SYS AFT (auto) TUNING FREQUENCY (HIGHER PART) TUNING FREQUENCY (LOWER PART) S-SYS AFT (auto) TUNING FREQUENCY (HIGHER PART) TUNING FREQUENCY (LOWER PART) S-SYS AFT (auto) TUNING FREQUENCY (HIGHER PART) TUNING FREQUENCY (LOWER PART) S-SYS AFT (auto) TUNING FREQUENCY (HIGHER PART) TUNING FREQUENCY (LOWER PART) S-SYS AFT (auto) TUNING FREQUENCY (HIGHER PART) TUNING FREQUENCY (LOWER PART) S-SYS AFT (auto) D1 D0 C-SYS POS 48 C-SYS POS 49 C-SYS POS 50 C-SYS POS 51 C-SYS POS 52 C-SYS POS 53 C-SYS POS 54 C-SYS POS 55 C-SYS POS 56 C-SYS POS 57 C-SYS POS 58 C-SYS POS 59 C-SYS POS 60 C-SYS POS 61 C-SYS POS 62 C-SYS POS 63 C-SYS POS 64 C-SYS POS 65 C-SYS POS 66 C-SYS POS 67 C-SYS MODEL MODEL LETTER NO. LETTER NO. 23 14GT15 14GT20 ADDRESS (HEX) 140 141 142 143 144 145 146 147 148 149 14A 14B 14C 14D 14E 14F 150 151 152 153 154 155 156 157 158 159 15A 15B 15C 15D 15E 15F 160 161 162 163 164 165 166 167 168 169 16A 16B 16C 16D 16E 16F 170 171 172 173 174 175 176 177 178 179 17A 17B 17C 17D 17E 17F D7 DATA D5 D4 D3 D2 D1 TUNING FREQUENCY (HIGHER PART) TUNING FREQUENCY (LOWER PART) S-SYS AFT (auto) TUNING FREQUENCY (HIGHER PART) TUNING FREQUENCY (LOWER PART) S-SYS AFT (auto) TUNING FREQUENCY (HIGHER PART) TUNING FREQUENCY (LOWER PART) S-SYS AFT (auto) TUNING FREQUENCY (HIGHER PART) TUNING FREQUENCY (LOWER PART) S-SYS AFT (auto) TUNING FREQUENCY (HIGHER PART) TUNING FREQUENCY (LOWER PART) S-SYS AFT (auto) TUNING FREQUENCY (HIGHER PART) TUNING FREQUENCY (LOWER PART) S-SYS AFT (auto) TUNING FREQUENCY (HIGHER PART) TUNING FREQUENCY (LOWER PART) S-SYS AFT (auto) TUNING FREQUENCY (HIGHER PART) TUNING FREQUENCY (LOWER PART) S-SYS AFT (auto) TUNING FREQUENCY (HIGHER PART) TUNING FREQUENCY (LOWER PART) S-SYS AFT (auto) TUNING FREQUENCY (HIGHER PART) TUNING FREQUENCY (LOWER PART) S-SYS AFT (auto) TUNING FREQUENCY (HIGHER PART) TUNING FREQUENCY (LOWER PART) S-SYS AFT (auto) TUNING FREQUENCY (HIGHER PART) TUNING FREQUENCY (LOWER PART) S-SYS AFT (auto) TUNING FREQUENCY (HIGHER PART) TUNING FREQUENCY (LOWER PART) S-SYS AFT (auto) TUNING FREQUENCY (HIGHER PART) TUNING FREQUENCY (LOWER PART) S-SYS AFT (auto) TUNING FREQUENCY (HIGHER PART) TUNING FREQUENCY (LOWER PART) S-SYS AFT (auto) TUNING FREQUENCY (HIGHER PART) TUNING FREQUENCY (LOWER PART) S-SYS AFT (auto) TUNING FREQUENCY (HIGHER PART) TUNING FREQUENCY (LOWER PART) S-SYS AFT (auto) TUNING FREQUENCY (HIGHER PART) TUNING FREQUENCY (LOWER PART) S-SYS AFT (auto) TUNING FREQUENCY (HIGHER PART) TUNING FREQUENCY (LOWER PART) S-SYS AFT (auto) TUNING FREQUENCY (HIGHER PART) TUNING FREQUENCY (LOWER PART) S-SYS AFT (auto) TUNING FREQUENCY (HIGHER PART) TUNING FREQUENCY (LOWER PART) S-SYS AFT (auto) D6 MICON E2PROM E2PROM CHASSIS CTV FINAL LAST INITIAL DEFAULT RANGE WRITE(CPU) CHECK DATA CHECK TYPE CHECK DATA CHECK TYPE SETTING DATA REMARK POS 68 D0 C-SYS POS 69 C-SYS POS 70 C-SYS POS 71 C-SYS POS 72 C-SYS POS 73 C-SYS POS 74 C-SYS POS 75 C-SYS POS 76 C-SYS POS 77 C-SYS POS 78 C-SYS POS 79 C-SYS POS 80 C-SYS POS 81 C-SYS POS 82 C-SYS POS 83 C-SYS POS 84 C-SYS POS 85 C-SYS POS 86 C-SYS POS 87 C-SYS POS 88 C-SYS POS 89 MODEL MODEL LETTER NO. LETTER NO. 24 14GT15 14GT20 ADDRESS (HEX) 180 181 182 183 184 185 186 187 188 189 18A 18B 18C 18D 18E 18F 190 191 192 193 194 195 196 197 198 199 19A 19B 19C 19D 19E 19F 1A0 1A1 1A2 1A3 1A4 1A5 1A6 1A7 1A8 1A9 1AA 1AB 1AC 1AD 1AE 1AF 1B0 1B1 1B2 1B3 1B4 1B5 1B6 1B7 1B8 1B9 1BB 1BB 1BC 1BD 1BE 1BF MICON E2PROM E2PROM CHASSIS CTV FINAL LAST INITIAL DEFAULT RANGE WRITE(CPU) CHECK DATA CHECK TYPE CHECK DATA CHECK TYPE SETTING DATA REMARK POS 89 DATA D7 D6 D5 D4 D3 D2 TUNING FREQUENCY (HIGHER PART) TUNING FREQUENCY (LOWER PART) S-SYS AFT (auto) TUNING FREQUENCY (HIGHER PART) TUNING FREQUENCY (LOWER PART) S-SYS AFT (auto) TUNING FREQUENCY (HIGHER PART) TUNING FREQUENCY (LOWER PART) S-SYS AFT (auto) TUNING FREQUENCY (HIGHER PART) TUNING FREQUENCY (LOWER PART) S-SYS AFT (auto) TUNING FREQUENCY (HIGHER PART) TUNING FREQUENCY (LOWER PART) S-SYS AFT (auto) TUNING FREQUENCY (HIGHER PART) TUNING FREQUENCY (LOWER PART) S-SYS AFT (auto) TUNING FREQUENCY (HIGHER PART) TUNING FREQUENCY (LOWER PART) S-SYS AFT (auto) TUNING FREQUENCY (HIGHER PART) TUNING FREQUENCY (LOWER PART) S-SYS AFT (auto) TUNING FREQUENCY (HIGHER PART) TUNING FREQUENCY (LOWER PART) S-SYS AFT (auto) TUNING FREQUENCY (HIGHER PART) TUNING FREQUENCY (LOWER PART) S-SYS AFT (auto) D1 D0 POS 90 C-SYS POS 91 C-SYS POS 92 C-SYS POS 93 C-SYS POS 94 C-SYS POS 95 C-SYS POS 96 C-SYS POS 97 C-SYS POS 98 C-SYS POS 99 C-SYS AV 1 (auto) C-SYS AV2 (auto) C-SYS MODEL MODEL LETTER NO. LETTER NO. 25 14GT15 14GT20 ADDRESS (HEX) 1C0 1C1 1C2 1C3 1C4 1C5 1C6 1C7 1C8 1C9 1CA 1CB 1CC 1CD 1CE 1CF 1D0 1D1 1D2 1D3 1D4 1D5 1D6 1D7 1D8 1D9 1DA 1DB 1DC 1DD 1DE 1DF 1E0 1E1 1E2 1E3 1E4 1E5 1E6 1E7 1E8 1E9 1EA 1EB 1EC 1ED 1EE 1EF 1F0 1F1 1F2 1F3 1F4 1F5 1F6 1F7 1F8 1F9 1FA 1FB 1FC 1FD 1FE 1FF DATA D7 D6 D5 D4 D3 D2 D1 D0 MICON E2PROM E2PROM CHASSIS CTV FINAL LAST INITIAL DEFAULT RANGE WRITE(CPU) CHECK DATA CHECK TYPE CHECK DATA CHECK TYPE SETTING DATA REMARK MODEL MODEL LETTER NO. LETTER NO. 26 14GT15 14GT20 TROUBLE SHOOTING TABLE NO RASTER Check F701. Blown out. Replace the fuse. Check T701 pin (7) voltage (Approx. 310V at 220V AC) Check R701, R707 and D709. The fuse is again blown out. Check IC701, D701,C707 and D710. Check Secondary Main+B (Pin (17) of T701 voltage:Approx. 115V) Check D758, IC702 and IC753. Check CRT connector K1-K5 bias. D1001 (Power LED Green) turns on. D1001 (Power LED Red) turns on or turns ON/OFF. Check R618 and R615. Check C878. Check IC801. Does horizontal circuit oscillate ? Check IC751 and IC801. 27 Checking the protector circuit. 14GT15 14GT20 TROUBLE SHOOTING TABLE (Continued) CIRCUITS TO BE CHECKED: » Tuner. » PIF. » Automatic Gain Control. » (5V), (32V) Power Source. NO PICTURE, NO SOUND Does the noise level increase at max. Contrast, Brightness and Sound controls ? Noise increases but no signal is received. No snow noise. Does noise or signal appear at pin (40) of IC801 ? Check the tuner supply voltage LB must be approx. 5V. BT must be approx, 32V. And CH preset data check. Does noise or signal appear at pin (38) of IC801 ? Check IC801 and its related circuit. Check the tuner AGC at TP201. Check Q205 and related circuit. Check pin(38) of IC801. Check pin (27) of IC801, Tuner and related circuit. CIRCUITS TO BE CHECKED: » Sound system pins (28) and (44) of IC801. » Sound Detector Circuit. » Sound Switch and Att. Control. » Audio Output Circuit. Check pin (1) of SF201 and Tuner related circuit. Check pin (37)of IC801 and related circuit. NO SOUND Does noise signal appear at pin (44) of IC801 ? Does signal appear at pins (6) and (8) of IC301 ? Check P302 or P301 connector of IC301 and peripheral circuit. 28 Does signal appear at pin(28) of IC801? Check C356 and peripheral circuit. CheckIC801. Check Q301, pins(4) and (6) of IC801 and peripheral circuit. 14GT15 14GT20 TROUBLE SHOOTING TABLE (Continued) NEITHER VERTICAL NOR HORIZONTAL SYNCHRONIZATION CIRCUIT TO BE CHECKED: » Sync. Separator Circuit. Check pins(16), (17) and (34) of IC801. DEFECTIVE VERTICAL AMP. AND VERTICAL LINEARITY Readjust vertical size. (Bas Data) Vertical linearity and size is abnormal. Check R504, R503, R506, R513, C517 and D501. NO VERTICAL SCAN Check IC501. Check C503 and C507. Check IC501. 29 14GT15 14GT20 TROUBLE SHOOTING TABLE (Continued) NO SPECIFIC COLOUR Is some colour produced in B/W broadcast reception ? Is the white balance properly adjusted ? Check IC801, R801, R802, R803, D804, D805, D806 and Q801. Readjust the white balance. The picture colour is cyan. The picture colour is magenta. The picture colour is yellow. Check Q871, Q883 and their adjacent circuits. Check Q870, Q885 and their adjacent circuits. Check Q872, Q887 and their adjacent circuits. NO SPECIFIC COLOUR “PAL” (NO COLOUR SYNCHRONIZATION) Check IC801 and bias control circuit. Check X1001.(12MHz) 30 14GT15 14GT20 SOLID STATE DEVICE BASE DIAGRAM TOP VIEW 8 5 1 4 4 1 M24C04W 3 COLLECTOR COLLECTOR 2R :BG: BASE 2 FX0008GE BASE EMITTER EMITTER B709A D601A COLLECTOR 64 33 JC BASE 1 EMITTER 32 iX3368CEN0 2SC2735 SIDE VIEW + BASE COLLECTOR EMITTER 1 2 3 BASE COLLECTOR EMITTER 2SC1815 1 PST573J 2SC2482 ~ ~ - 3 SE115N DX0386CE ANODE (RED) CATHODE (COMMON) ANODE (GREEN) 1 12 1 2 3 B C E 2SD1877 KA7808 KA7805 PX0423CE 8 1 LA7016 1 TDA7056A 3 5 1 STRF6653 TA48M033 31 1 2 4 6 8 3 5 7 9 TDA8357 14GT15 14GT20 MODEL 14GT15 CHASSIS LAYOUT J I H G F E D C B A 1 2 3 4 5 6 32 7 8 9 10 14GT15 14GT20 MODEL 14GT20 CHASSIS LAYOUT J I H G F E D C B A 1 2 3 4 5 6 33 7 8 9 10 14GT15 14GT20 WAVEFORMS 34 14GT15 14GT20 DESCRIPTION OF SCHEMATIC DIAGRAM SAFETY NOTES: NOTES: 1. DISCONNECT THE AC PLUG FROM THE AC OUTLET BEFORE REPLACING PARTS. 2. SEMICONDUCTOR HEAT SINKS SHOULD BE REGARDED AS POTENTIAL SHOCK HAZARDS WHEN THE CHASSIS IS OPERATING. 1. The unit of resistance "ohm" is omitted. (K = 1000 ohms, M = Mega ohm). 2. All resistors are 1/8 watt, unless otherwise noted. 3. All capacitors are µF, unless otherwise noted. (P = µµF). IMPORTANT SAFETY NOTICE: VOLTAGE MEASUREMENT CONDITIONS: PARTS MARKED WITH " å " ( ) ARE IMPOTANT FOR MAINTAINING THE SAFETY OF THE SET. BE SURE TO REPLACE THESE PARTS WITH SPECIFIED ONES FOR MAINTAINING THE SAFETY AND PERFORMANCE OF THE SET. 1. Voltages in parenthesis measured with no signal. 2. Voltages without parenthesis measured with 3mV B & W or Colour signal. 3. All the voltages in each point are measured with VTVM. SERVICE PRECAUTION: THE AREA ENCLOSED BY THIS LINE ( —– - —– ) IS DIRECTLY CONNECTED WITH AC MAINS VOLTAGE. WHEN SERVICING THE AREA, CONNECT AN ISOLATING TRANSFORMER BETWEEN TV RECEIVER AND AC LINE TO ELIMINATE HAZARD OF ELECTRIC SHOCK. WAVEFORM MEASUREMENT CONDITIONS: 1. The colour bar generator signal of 1.0V peak applied at pin (24) of IC201. 2. Approximately 4V AGC bias . 35 14GT15 14GT20 ■ Infrared Remote Control Unit RRMCG0025KJSA Note:The parts here shown are supplied as an assembly but not independently. J I H G F E D C B A 1 2 3 4 5 6 36 7 8 9 10 3 4 R101 1.8k 5 37 C130 102B 6 L117 L116 L106 L103 L102 L101 7 C107 103B R103 2.2k L116 1µ R102 1k C109 103B L202 L201 R106 47k C131 102B L108 R105 470k C204 39p R208 1.2k D103 IT407 8 J103 0 C1 2000p C213 102B D104 IT407 D102 IT402 R201 33k D201 IT402 C205 1.5p CH AGC R114 47k R108 27k R116 47k C111 102Y R141 270k R143 0 R142 100k Q101 S8304 C112 102B C206 102B L204 R202 47k C207 103B L118 1.2µ R109 10 Q201 S594 R110 47k C114 103B D105 IT407 D112 HSC277 L117 0.18µ L205 C208 102B C113 103B C128 4p CH R203 82 R204 22 ± 0.1p C116 103B D106 HSC277 C126 0.3p CH C210 24p ± 3 D202 IT402 C209 1.5p CH R206 33k L207 C119 103B C118 1p CH ±0.1p C117 103B L115 C115 0.2p CH L112 L206 J202 0 L114 C120 103B D107 HSC277 D108 IT407 D109 IT402 C214 105p C211 24p ± 3 R207 33k D203 IT402 R303 220 AS C151 102B C122 102B C261 102B C303 102Y C301 103B C4 22p R302 220 SDA 9 10 C353 102 1 2 C6 2000p 30 29 28 27 4 3 26 25 24 23 22 21 5 6 7 8 IX2145 20 11 IC301 19 18 17 16 R146 390 C312 472B 12 13 14 15 C302 8p CH 9 SCL C5 22p R301 220 D301 1SS355 J302 0 R147 100 TP J301 0 C3 2000p R306 2k R113 10k C310 103B C127 102B R144 47k C212 0.9p ± 0.1 R311 10k 5V(MB) C307 102Y J303 0 C9 2000p R251 47k 5V(BP) CR301 4MHz R307 47k C7 2000p C308 220p CH C306 103B C305 473B C304 102B C253 82p UJ L152 C172 102B R252 47k D154 IT402 C254 8p ± 0.25 UJ R254 4.7 C252 82p UJ C171 2p UJ C152 18p UJ C156 82p CH C311 100p 32V(BT) C11 33p L304 R152 47k R175 1k R156 1k IF OUT L303 10µH L251 R253 33k D151 IT402 C155 103B R308 10k Q301 KTC4075 R309 10k C309 103B D252 IT402 C255 0.5±0.1UJ C256 0.5±0.1UJ D251 IT402 C153 1000p UJ R173 47k D152 HSC277 R174 2k D153 HSC277 C352 103B C351 103B R115 47k ■ TUNER L110 C108 103B L109 R104 820 C106 4p CH L107 C123 103B C103 120p C201 102Y C101 120p C100 5p CH L100 C125 2.5p CH C105 8p CH C104 103B L105 C102 10p CH L104 D100 HSC277 D200 HSC277 C200 100p D111 HSC277 2 L111 A D110 HSC277 D L113 C R111 5.6 E R120 10 F R117 47k G T301 H R171 47k 1 R172 68 B C161 105p I L151 J201 0 14GT15 14GT20 Note:The parts here shown are supplied as an assembly but not independently. å VTUVTST5HD84/ J 10 R310 10k 14GT15 14GT20 14GT15 , 14GT20 HOTEL MODE APPLICATION How to enable/disable the "Hotel Mode" ? Ans: a) Press the R/C (FUNCTION) key until language selection appear,within five second press the (one/two digit) key and keep pressing it for five second, then you can see the hotel mode with four digits password. b) Key in the four digits password starting with number "1", "3", "7", "9", then the hotel mode will be enable, you can switch on/off the hotel mode by using R/C (volume up/down) key. HOTEL ON PASSWORD **** Set vol up/down by R/C key. Input 1,3,7,9 by R/C key. #1 Ch 1 is your selected channel for hotel mode. * We recommend Before set the hotel mode, it is better to choose ch 1 & set s-vol level Up to 75% full scale. After set hotel mode, starting channel will be always ch 1 & maximum sound level out will be set the half of full scale. * If you set hotel mode in AV, starting channel will be the last ch which you received before power off (same as normal operation) CONDITION: When using hotel mode, user can control "contrast", "brightness", "sharpness" and "tint" function. But after power off, it will return to the initial setting. You can't use:-Preset mode Fine tuning Skip mode System selection The others function is allowed to be used. 38 14GT15 14GT20 SCHEMATIC DIAGRAM: MODEL 14GT20 HEAD PHONE Unit J I H G F CRT SOCKET Unit E D C B A 1 2 3 4 5 6 39 7 8 9 10 14GT15 14GT20 14GT15 14GT20 SCHEMATIC DIAGRAM: MODEL 14GT15 MAIN Unit J I H G F E D C B A 1 2 3 4 5 6 40 7 8 9 10 11 12 13 14 15 41 16 17 18 19 14GT15 14GT20 14GT15 14GT20 SCHEMATIC DIAGRAM: MODEL 14GT20 MAIN Unit J I H G F E D C B A 1 2 3 4 5 6 42 7 8 9 10 11 12 13 14 15 43 16 17 18 19 14GT15 14GT20 14GT15 14GT20 BLOCK DIAGRAM - 1/3:M0DEL 14GT15 MAIN BLOCK J I H G F E D C B A 1 2 3 4 5 6 44 7 8 9 10 11 12 13 14 15 45 16 17 18 19 14GT15 14GT20 14GT15 14GT20 BLOCK DIAGRAM - 2/3:M0DEL 14GT20 MAIN BLOCK J I H G F E D C B A 1 2 3 4 5 6 46 7 8 9 10 11 12 13 14 15 47 16 17 18 19 14GT15 14GT20 BLOCK DIAGRAM - 3/3: MODEL 14GT20 HEAD PHONE BLOCK J I H G F CRT BLOCK E D C B A 1 2 3 4 5 6 48 7 8 9 10 14GT15 14GT20 PRINTED WIRING BOARD ASSEMBLIES PWB-B: CRT Socket Unit (Wiring Side) J I H G F PWB-C: HEAD PHOME Unit (MODEL 14GT20) (Wiring Side) (Component Side) E D C B A 1 2 3 4 5 6 49 7 8 9 10 14GT15 14GT20 14GT15 14GT20 PWB-A: MAIN Unit (Wiring Side) J I H G F E D C B A 1 2 3 4 5 6 50 7 8 9 10 11 12 13 14 15 51 16 17 18 19 14GT15 14GT20 14GT15 14GT20 PWB-A: MAIN Unit (Component Side) J I H G F E D C B A 1 2 3 4 5 6 52 7 8 9 10 11 12 13 14 15 53 16 17 18 19 14GT15 14GT20 Ref. No. Part No. Description Code Ref. No. PARTS LIST PARTS REPLACEMENT "HOW TO ORDER REPLACEMENT PARTS" To have your order filled promptly and correctly, please furnish the following informations. MARK Ref. No. : SPARE PARTS-DELIVERY SECTION. Description Code PICTURE TUBE å å å L708 VB34JXV80X/*S RCiLG0001KJZZ RCiLH0001KJZZ PMAGF3041CEZZ QEARC1431CEZZ LHLDW0003PEKZ MSPRT0001PEFJ PSPAG0004KJZZ R R R R Picture Tube Degaussing Coil Deflection Yoke Magnet Grounding Strap ADG Coil Holder, x4 Spring, Grounding Strap Wedge(Gum), x3 AG AB AC AB PRINTED WIRING BOARD ASSEMBLY (NOT REPLACEMENT ITEM) PWB-A PWB-A PWB-B PWB-B PWB-C PWB-A DUNTK9988WET4 DUNTK9988WET3 DUNTK9990WET3 DUNTK9990WET2 DUNTK9989WET0 - Main Unit (14GT15) Main Unit (14GT20) CRT Socket Unit (14GT15) CRT Socket Unit (14GT20) Head Phone Unit (14GT20) — — — — — DUNTK9988WET3/T4 MAIN UNIT TUNER AND ASSEMBLY NOTE: THE PARTS HERE SHOWN ARE SUPPLIED AS AN ASSEMBLY BUT INDEPENDENTLY. å TU201 VTUVTST5HD84/ R VHF Tuner BB INTEGRATED CIRCUITS IC301 IC304 IC402 IC501 IC605 IC701 IC751 IC753 VHiTDA7056A-1 VHiLA7016//-1 VHiLA7016//-1 VHiTDA8357/-1 VHiKA7808Pi-1 VHiSTRF6653-1 VHiTA48M033-1 VHiSE115N//-1 R R R R R R R R TDA7056A LA7016(14GT20) LA7016(14GT20) I.C. KIA7808PI I.C. TA48M033F SE115N IC801 IC1002 IC1003 IC1005 RH-iX3368CEN1 VHiPST573J/-1 VHiM24C04W/-1 VHiKA7805Pi-1 R R R R Q201 Q203 Q205 Q301 Q302 Q305 Q601 Q602 Q603 Q801 Q802 Q1003 Q1010 VS2SC2735//1E VS2SD601AR/-1 VS2SC1815GW-1 VS2SD601AR/-1 VS2SD601AR/-1 VS2SD601AR/-1 VS2SC2482//-1 VS2SD1877//1E VS2SD601AR/-1 VS2SB709AR/-1 VS2SB709AR/-1 VS2SD601AR/-1 VS2SD601AR/-1 D201 D301 D305 D308 D310 D401 D402 D501 D502 D503 D504 D505 D507 D508 D509 D510 D511 D512 D513 D514 D515 D602 D603 D604 D605 D606 D607 D608 D609 D611 D612 D613 D614 D701 D702 D705 D706 D707 D708 D709 D710 D711 D712 D713 D714 D715 D718 D751 D752 D753 D758 D801 D802 D803 RH-EX0676GEZZ VHD1SS119//-1 RH-EX0631GEZZ RH-EX0631GEZZ RH-DX0302CEZZ RH-EX0631GEZZ RH-EX0631GEZZ RH-EX0640GEZZ VHD1SS119//-1 VHD1SS119//-1 VHD1SS119//-1 RH-DX0127CEZZ VHD1SS119//-1 RH-EX0647GEZZ RH-EX0647GEZZ RH-EX0867CEZZ RH-EX0867CEZZ VHD1SS119//-1 VHD1SS119//-1 RH-EX0903CEZZ RH-EX0903CEZZ VHD1SS119//-1 RH-DX0062CEZZ VHD1SS119//-1 RH-EX0840CEZZ VHD1SS119//-1 RH-EX0662GEZZ RH-EX0604GEZZ VHD1SS119//-1 RH-DX0302CEZZ RH-EX0627GEZZ VHD1SS119//-1 VHD1SS119//-1 RH-DX0386CEZZ VHD1SS82///1A RH-DX0492CEZZ VHD1SS82///1A VHD1SS82///1A RH-DX0400CEZZ RH-DX0164CEZZ RH-EX0601GEZZ VHD1SS82///1A VHD1SS82///1A RH-EX0621GEZZ RH-DX0055TAZZ RH-DX0055TAZZ RH-EX0649GEZZ RH-DX0471CEZZ VHD1SS119//-1 RH-DX0471CEZZ RH-DX0461CEZZ VHD1SS119//-1 VHD1SS119//-1 VHD1SS119//-1 I.C. I.C. I.C. KIA7805PI Code BE AE AG AE R R R R R R R R R R R R R 2SC2735 2SD601AR 2SC1815GW-1 2SD601AR 2SD601AR 2SD601AR 2SC2482 2SD1877 2SD601AR 2SB709AR 2SB709AR 2SD601AR 2SD601AR AC AC AB AC AC AC AD AL AC AC AC AC AC DIODES 2. REF. NO. 4. DESCRIPTION Part No. Description TRANSISTORS Replacement parts which have these special safety characteristics are identified in this manual; electrical components having such features are identified by "å" in the Replacement Parts Lists. The use of a substitute replacement part which does not have the same safety characteristics as the factory recommended replacement parts shown in this service manual may create shock, fire or other hazards. 1. MODEL NUMBER 3. PART NO. Part No. AP AH AH AN AF AS AH AF 54 R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R Zener Diode 1SS119 Zener Diode Zener Diode(14GT20) Diode Zener Diode(14GT20) Zener Diode Zener Diode 1SS119 1SS119 1SS119 Diode 1SS119 Zener Diode Zener Diode Zener Diode Zener Diode 1SS119 1SS119 Zener Diode Zener Diode 1SS119 Diode 1SS119 Zener Diode 1SS119 Zener Diode Zener Diode 1SS119 Diode Zener Diode 1SS119 1SS119 Diode 1SS82 Diode 1SS82 1SS82 Diode Diode Zener Diode 1SS82 1SS82 Zener Diode Diode Diode Zener Diode Diode 1SS119 Diode Diode 1SS119 1SS119 1SS119 AA AB AA AA AC AA AA AA AB AB AB AC AB AA AA AC AC AB AB AC AC AB AD AB AC AB AB AB AB AC AA AB AB AG AC AE AC AC AC AC AA AC AC AB AD AD AB AE AB AE AG AB AB AB 14GT15 14GT20 Ref. No. D804 D805 D806 D1001 D1004 D1007 D1008 D1009 D1010 å IC702 Part No. Description VHD1SS119//-1 VHD1SS119//-1 VHD1SS119//-1 RH-PX0423CEZZ VHD1SS119//-1 RH-EX0867CEZZ RH-EX0867CEZZ RH-EX0867CEZZ RH-EX0867CEZZ RH-FX0008GEZZ R R R R R R R R R J 1SS119 1SS119 1SS119 PHOTODiode 1SS119 Zener Diode Zener Diode Zener Diode Zener Diode PC123FY8 Code Ref. No. AB AB AB AD AB AC AC AC AC AE C356 C359 C360 C364 C371 C373 C374 C375 PACKAGED CIRCUITS PR702 RMPTP0028CEZZ R Packaged Circuit å VA700 RH-VX0047CEZZ R Varistor X1001 RCRSB0281CEZZ R Crystal C377 AG AF AG C379 C390 C405 COILS L202 L203 L204 L205 L207 L209 L301 L401 L601 L603 å L702 L802 L803 L1030 L1050 L1051 VP-DF270K0000 VP-DF270K0000 VP-XF1R2K0000 VP-DF1R0K0000 VP-DF1R0K0000 VP-XF6R8K0000 VP-DF1R0K0000 VP-DF1R0K0000 VP-CF1R0M0000 RCiLP0225CEZZ RCiLF0019PEZZ VP-DF100K0000 VP-DF100K0000 VP-DF100K0000 VP-DF100K0000 VP-DF100K0000 R R R R R R R R R R R R R R R R Peaking Peaking Peaking Peaking Peaking Peaking Peaking Peaking Peaking Coil Coil Peaking Peaking Peaking Peaking Peaking 27µH 27µH 1.2µH 1µH 1µH 6.8µH 1µH(14GT20) 1µH(14GT20) 1µH 10µH 10µH 10µH 10µH 10µH AB AB AB AB AB AB AB AB AB AF AN AB AB AB AB AB C406 C407 C408 C409 C410 C411 C469 C501 C502 C503 C504 C506 C507 C508 C512 C513 C514 C515 C516 C517 C601 C602 C603 C604 C605 C606 C607 C608 C609 C610 C611 C612 C613 C614 C615 C616 C617 C620 C623 C624 C625 C626 C627 C628 C650 C654 C700 å C701 C702 C703 C704 C705 C707 C708 C709 C711 FILTER CF202 RFiLC0335CEZZ SF201 RFiLC0442CEZZ Filter R Filter AL TRANSFORMERS å T602 å T603 å T701 RTRNF0187PEZZ H-Volt Transformer RTRNZ0179CEZZ R Transformer RTRNZ0140PEZZ R Transformer AE AQ CAPACITORS C200 C203 C204 C205 C206 C207 C208 C209 C210 C211 C212 C213 C215 C216 C217 C301 VCEA0A1CW476M VCKYCY1HF103Z VCEA0A1CW107M VCKYCY1HF103Z VCEA0A1HW106M VCKYCY1HF103Z VCKYCY1HF103Z VCKYCY1HF103Z VCKYCY1HF103Z VCKYCY1EF104Z VCEA0A1CW106M VCKYCY1HF223Z VCEA0A1CW476M VCKYCY1HB821K VCKYCY1HB472K VCEA0A1CW107M R R R R R R R R R R R R R R R R C302 C303 C304 C305 C312 C314 C315 C317 C318 C331 C332 C333 VCEA0A1HW225M VCEA0A1CW106M VCQYTA1HM473J VCQYTA1HM473J VCQYTA1HM123J VCEA0A1EW477M VCKYPA1HF103Z VCEA0A1HW224M VCKYCY1HB102K VCEA0A1HW105M VCEA0A1EW477M VCKYPA2HB102K R R R R R R R R R R R R 47 16V 0.01 50V 100 16V 0.01 50V 10 50V 0.01 50V 0.01 50V 0.01 50V 0.01 50V 0.1 25V 10 16V 0.022 50V 47 16V 820p 50V 4700p 50V 100 16V (14GT20) 2.2 50V 10 16V 0.047 50V 0.047 50V 0.012 50V 470 25V 0.01 50V 0.22 50V 1000p 50V 1 50V 470 25V 1000p 500V Electrolytic Ceramic Electrolytic Ceramic Electrolytic Ceramic Ceramic Ceramic Ceramic Ceramic Electrolytic Ceramic Electrolytic Ceramic Ceramic Electrolytic AB AA AC AA AB AA AA AA AA AA AB AB AB AA AA AC Electrolytic Electrolytic Mylar Mylar Mylar Electrolytic Ceramic Electrolytic Ceramic Electrolytic Electrolytic Ceramic AB AB AA AA AA AD AA AB AA AB AD AA 55 Part No. Description VCKYCY1HB682K R 6800p 50V VCEA9M1CW106M R 10 16V VCEA9M1HW225M R 2.2 50V (14GT20) VCEA0A1CW106M R 10 16V VCEA0A1CW476M R 47 16V VCEA0A1CW107M R 100 16V (14GT20) VCEA0A1HW225M R 2.2 50V (14GT20) VCEAEA1HW225M R 2.2 50V (14GT20) VCEA0A1HW225M R 2.2 50V (14GT20) VCEA0A1HW335M R 3.3 50V (14GT20) VCEA0A1HW105M R 1 50V VCEA0A1CW107M R 100 16V (14GT20) VCEA0A1CW477M R 470 16V VCEA0A1CW106M R 10 16V (14GT20) VCEA0A1CW106M R 10 16V VCKYCY1EF104Z R 0.1 25V VCKYCY1EF104Z R 0.1 25V VCKYCY1HB102K R 1000p 50V VCEA0A1HW105M R 1 50V VCKYCY1HF103Z R 0.01 50V VCKYCY1HF103Z R 0.01 50V VCEA0A1EW108M R 1000 25V VCKYCY1HF223Z R 0.022 50V VCQYTA1HM104J R 0.1 50V VCEA0A1JW107M R 100 63V VCQYTA1HM103J R 0.01 50V VCKYCY1HB102K R 1000p 50V VCKYCY1HB102K R 1000p 50V VCKYPA1HF103Z R 0.01 50V VCKYPA2HB102K R 1000p 500V VCEA0A1JW477M R 470 63V VCFYFA1HA104J R 0.1 50V VCEAGA2EW106M R 10 250V VCQYTA1HM104J R 0.1 50V VCEA0A1HW105M R 1 50V VCEA0A1HW105M R 1 50V VCKYPA1HF103Z R 0.01 50V VCKYCY1HF103Z R 0.01 50V VCEA0A1CW477M R 470 16V VCEA0A1EW476M R 47 25V VCEA0A1EW108M R 1000 25V VCFYSB2EB823J R 0.082 250V VCKYPA2HB102K R 1000p 500V RC-EZ0724CEZZ R 100 160V VCFPVC2DB914J 0.91 200V RC-KZ0035CEZZ R 220p 50V VCFPVC2DB224J R 0.22 200V VCFPPD3CA622H R 6200p 1600V VCKYPA2HB102K R 1000p 500V VCKYCY1EF104Z R 0.1 25V VCQYTA1HM222J R 2200p 50V VCQYTA1HM472J R 4700p 50V VCEA0A1HW105M R 1 50V VCKYCY1HF223Z R 0.022 50V VCEA0A1HW106M R 10 50V VCEA0A1HW474M R 0.47 50V VCKYCY1EF104Z R 0.1 25V VCEA0A1CW476M R 47 16V VCQYTA2AA103K R 0.01 100V AC250V RC-FZ008SGEZZ R 0.1 RC-KZ0160GEZZ R 0.01 250V RC-KZ0160GEZZ R 0.01 250V VCKYPA2HB102K R 1000p 500V VCKYPA2HB102K R 1000p 500V RC-EZ1044CEZZ R 150 400V RC-KZ0160GEZZ R 0.01 250V VCQYTA1HM471J R 470p 50V RC-KZ0039CEZZ R 680p 2kV Code Ceramic Electrolytic Electrolytic AA AB AB Electrolytic Electrolytic Electrolytic AB AB AC Electrolytic AB Electrolytic AB Electrolytic AB Electrolytic AB Electrolytic Electrolytic AB AC Electrolytic Electrolytic AC AB Electrolytic Ceramic Ceramic Ceramic Electrolytic Ceramic Ceramic Electrolytic Ceramic Mylar Electrolytic Mylar Ceramic Ceramic Ceramic Ceramic Electrolytic M.Polypro Electrolytic Mylar Electrolytic Electrolytic Ceramic Ceramic Electrolytic Electrolytic Electrolytic M.Polypro Ceramic Electrolytic M.Polypro Ceramic M.Polypro M.Polypro Ceramic Ceramic Mylar Mylar Electrolytic Ceramic Electrolytic Electrolytic Ceramic Electrolytic Mylar M.Polypro Ceramic Ceramic Ceramic Ceramic Electrolytic Ceramic Mylar Ceramic AB AA AA AA AB AA AA AD AB AA AC AA AA AA AA AA AE AA AC AA AB AB AA AA AC AB AD AD AA AG AB AE AE AA AA AA AB AB AB AB AB AA AB AC AD AC AC AA AA AM AC AB AB 14GT15 14GT20 Ref. No. C712 C713 C714 C715 C717 C718 C719 å C721 C751 C752 C753 C755 C759 C760 C761 C762 C801 C802 C803 C804 C805 C806 C807 C808 C809 C810 C811 C812 C813 C814 C1001 C1003 C1004 C1005 C1006 C1007 C1008 C1009 C1010 C1011 C1012 C1013 C1014 C1015 C1016 C1018 C1019 Part No. VCQYTA1HM102J RC-KZ007JCEZZ VCKYPH3DB561K VCKYPA2HB102K VCQYTA1HM182J VCEAGA2AW475M VCEA9M1HW226M RC-KZ0102GEZZ VCEA0A1CW476M VCEA0A0JW107M VCKYPA2HB102K VCEA0A1CW108M VCKYPA1HB102K RC-KZ0039CEZZ RC-EZ0724CEZZ VCQYTA1HM473J VCEA0A1HW105M VCEA0A1CW337M VCEA9M1CW107M VCKYCY1HB222K VCKYCY1HB102K VCKYCY1HB102K VCKYCY1HB102K VCEA0A1CW107M VCKYCY1HF223Z VCKYCY1EF104Z VCEA0A1CW107M VCFYFA1HA224J VCFYFA1HA224J VCKYCY1HB471K VCEA0A0JW107M VCEA0A1CW106M VCKYCY1EF104Z VCKYCY1HF223Z VCEA0A1CW106M VCEA0A1CW106M VCCCCY1HH330J VCCCCY1HH330J VCEA0A0JW107M VCKYCY1HF223Z VCKYCY1HF223Z VCEA0A0JW107M VCEA0A1CW106M VCFYFA1HA474J VCQYTA1HM104J VCKYCY1HB221K VCEA9M1HW225M Description R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R 1000p 0.01 560p 1000p 1800p 4.7 22 680p 47 100 1000p 1000 1000p 680p 100 0.047 1 330 100 2200p 1000p 1000p 1000p 100 0.022 0.1 100 0.22 0.22 470p 100 10 0.1 0.022 10 10 33p 33p 100 0.022 0.022 100 10 0.47 0.1 220p 2.2 50V Mylar 250V Ceramic 2000V Ceramic 500V Ceramic 50V Mylar 100V Electrolytic 50V Electrolytic 4kV Ceramic 16V Electrolytic 6.3V Electrolytic 500V Ceramic 16V Electrolytic 50V Ceramic 2kV Ceramic 160V Electrolytic 50V Mylar 50V Electrolytic 16V Electrolytic 16V Electrolytic 50V Ceramic 50V Ceramic 50V Ceramic 50V Ceramic 16V Electrolytic 50V Ceramic 25V Ceramic 16V Electrolytic 50V M.Polypro 50V M.Polypro 50V Ceramic 6.3V Electrolytic 16V Electrolytic 25V Ceramic 50V Ceramic 16V Electrolytic 16V Electrolytic 50V Ceramic 50V Ceramic 6.3V Electrolytic 50V Ceramic 50V Ceramic 6.3V Electrolytic 16V Electrolytic 50V M.Polypro 50V Mylar 50V Ceramic 50V Electrolytic Code Ref. No. AA AC AC AA AA AB AB AE AB AB AA AD AA AB AG AA AB AC AB AA AA AA AA AC AB AA AC AB AB AA AB AB AA AB AB AB AA AA AB AB AB AB AB AC AA AA AB RESISTORS JA211 R201 R202 R203 R204 R205 R206 R207 R208 R209 R217 R218 R219 R220 R221 R222 R226 R227 R228 R230 R231 R233 R237 R238 R239 R301 VRD-RA2BE102J VRS-CY1JF101J VRS-CY1JF101J VRD-RM2HD102J VRD-RM2HD102J VRD-RA2BE680J VRS-CY1JF122J VRS-CY1JF221J VRS-CY1JF122J VRS-CY1JF392J VRD-RA2BE392J VRS-CY1JF102J VRS-CY1JF391J VRS-CY1JF101J VRS-CY1JF102J VRS-CY1JF681J VRS-CY1JF750J VRD-RM2HD330J VRD-RM2HD330J VRS-CY1JF101J VRS-CY1JF153J VRS-CY1JF181J VRS-CY1JF272J VRS-CY1JF821J VRS-CY1JF221J VRS-CY1JF680J R R R R R R R R R R R R R R R R R R R R R R R R R R 1k 1/8W 100 1/16W 100 1/16W 1k 1/2W 1k 1/2W 68 1/8W 1.2k 1/16W 220 1/16W 1.2k 1/16W 3.9k 1/16W 3.9k 1/8W 1k 1/16W 390 1/16W 100 1/16W 1k 1/16W 680 1/16W 75 1/16W 33 1/2W 33 1/2W 100 1/16W 15k 1/16W 180 1/16W 2.7k 1/16W 820 1/16W 220 1/16W 68 1/16W (14GT20) Carbon Metal Oxide Metal Oxide Carbon Carbon Carbon Metal Oxide Metal Oxide Metal Oxide Metal Oxide Carbon Metal Oxide Metal Oxide Metal Oxide Metal Oxide Metal Oxide Metal Oxide Carbon Carbon Metal Oxide Metal Oxide Metal Oxide Metal Oxide Metal Oxide Metal Oxide Metal Oxide AA AA AA AA AA AA AA AA AA AA AA AA AA AA AA AA AA AA AA AA AA AA AA AA AA AA 56 Part No. Description R302 R303 R304 R305 R307 R308 R320 R321 R328 R329 R330 R331 R332 R333 R334 R341 VRS-CY1JF473J VRS-CY1JF473J VRS-CY1JF392J VRS-CY1JF100J VRD-RA2BE182J VRD-RA2BE472J VRS-CY1JF101J VRS-CY1JF561J VRS-CY1JF564J VRS-CY1JF332J VRS-CY1JF101J VRS-CY1JF102J VRS-CY1JF561J VRS-CY1JF103J VRS-CY1JF102J VRS-CY1JF332J R R R R R R R R R R R R R R R R R342 VRS-CY1JF564J R R343 R344 R357 R378 R403 VRS-CY1JF104J VRS-CY1JF101J VRS-CY1JF100J VRN-VV3DBR68J VRS-CY1JF101J R R R R R R404 VRD-RA2BE820J R R406 R407 VRS-CY1JF103J VRS-CY1JF101J R R R411 R412 R501 R502 R503 R504 R505 R506 R508 R509 R510 R511 R513 R514 R515 R602 R603 R604 R605 R607 R608 R609 R610 R611 R612 R613 R614 R615 R616 R617 R618 R619 R622 R624 R625 R626 R627 R628 R630 R631 R632 R633 R635 R636 R637 R638 VRD-RA2BE820J VRS-CY1JF101J VRS-CY1JF182J VRS-CY1JF182J VRD-RM2HD2R2J VRD-RM2HD150J VRD-RM2HD330J VRD-RA2BE124J VRD-RM2HD221J VRD-RM2HD1R0J VRS-CY1JF101J VRS-CY1JF101J VRD-RA2BE393J VRS-CY1JF101J VRS-CY1JF272J VRN-VV3AB1R5J VRD-RM2HD102J VRD-RA2BE393J VRD-RM2HD101J VRS-CY1JF102J VRS-CY1JF123J VRD-RA2BE273G VRD-RA2BE153J VRD-RA2EE823G VRD-RA2BE103J VRD-RA2BE103J VRS-CY1JF103J VRS-KT3LB332J VRS-CY1JF102J VRD-RM2HD472J VRS-KA3HG4R7K VRD-RM2HD682J VRD-RM2HD820J VRD-RA2BE101J VRS-CY1JF184J VRS-CY1JF472J VRD-RM2HD4R7J VRD-RM2HD470J VRS-CY1JF100J VRS-CY1JF391J VRS-CY1JF273J VRS-CY1JF102J VRS-CY1JF822J VRS-CY1JF223J VRD-RM2HD820J VRS-CY1JF333J R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R 47k 1/16W 47k 1/16W 3.9k 1/16W 10 1/16W 1.8k 1/8W 4.7k 1/8W 100 1/16W 560 1/16W 560k 1/16W 3.3k 1/16W 100 1/16W 1k 1/16W 560 1/16W 10k 1/16W 1k 1/16W 3.3k 1/16W (14GT20) 560k 1/16W (14GT20) 100k 1/16W 100 1/16W 10 1/16W 0.68 2W 100 1/16W (14GT20) 82 1/8W (14GT20) 10k 1/16W 100 1/16W (14GT20) 82 1/8W 100 1/16W 1.8k 1/16W 1.8k 1/16W 2.2 1/2W 15 1/2W 33 1/2W 120k 1/8W 220 1/2W 1.0 1/2W 100 1/16W 100 1/16W 39k 1/8W 100 1/16W 2.7k 1/16W 1.5 1W 1k 1/2W 39k 1/8W 100 1/2W 1k 1/16W 12k 1/16W 27k 1/8W 15k 1/8W 82k 1/4W 10k 1/8W 10k 1/8W 10k 1/16W 3.3k 3.0W 1k 1/16W 4.7k 1/2W 4.7 5W 6.8k 1/2W 82 1/2W 100 1/8W 180k 1/16W 4.7k 1/16W 4.7 1/2W 47 1/2W 10 1/16W 390 1/16W 27k 1/16W 1k 1/16W 8.2k 1/16W 22k 1/16W 82 1/2W 33k 1/16W Code Metal Oxide Metal Oxide Metal Oxide Metal Oxide Carbon Carbon Metal Oxide Metal Oxide Metal Oxide Metal Oxide Metal Oxide Metal Oxide Metal Oxide Metal Oxide Metal Oxide Metal Oxide AA AA AA AA AA AA AA AA AA AA AA AA AA AA AA AA Metal Oxide AA Metal Oxide Metal Oxide Metal Oxide Metal Film Metal Oxide AA AA AA AA AA Carbon AA Metal Oxide Metal Oxide AA AA Carbon Metal Oxide Metal Oxide Metal Oxide Carbon Carbon Carbon Carbon Carbon Carbon Metal Oxide Metal Oxide Carbon Metal Oxide Metal Oxide Metal Film Carbon Carbon Carbon Metal Oxide Metal Oxide Carbon Carbon Carbon Carbon Carbon Metal Oxide Metal Oxide Metal Oxide Carbon Metal Oxide Carbon Carbon Carbon Metal Oxide Metal Oxide Carbon Carbon Metal Oxide Metal Oxide Metal Oxide Metal Oxide Metal Oxide Metal Oxide Carbon Metal Oxide AA AA AA AA AA AA AA AA AA AA AA AA AA AA AA AA AA AA AA AA AA AA AA AA AA AA AA AC AA AA AD AA AA AB AA AA AA AA AA AA AA AA AA AA AA AA 14GT15 14GT20 Ref. No. Part No. Description R701 R703 å R704 R705 R706 R707 R708 R709 R710 R711 å R712 R717 R718 å R719 R721 R722 R723 å R726 R750 R758 R760 R801 R802 R803 R804 R805 R806 R807 R808 R809 R812 R813 R1001 R1002 R1003 R1004 R1005 R1011 R1012 R1014 R1015 R1016 R1017 R1019 R1020 R1021 R1022 R1023 R1024 R1025 R1026 R1027 R1028 R1030 R1031 R1032 R1034 R1035 R1036 R1037 R1038 R1039 R1040 R1041 R1043 R1044 R1045 R1046 R1065 VRW-KQ3NC3R9K VRS-KT3LB473J VRG-PD2HD150J VRD-RA2BE122J VRD-RM2HD152J VRS-KT3LB473J VRD-RM2HD272J VRD-RA2BE681J VRN-VV3ABR39J VRN-VV3ABR33J VRG-PD2HD4R7J VRD-RM2HD124J VRD-RM2HD124J VRC-UA2HG825K VRD-RA2BE393J VRD-RM2HD124J VRD-RA2BE684J VRC-UA2HG825K VRD-RM2HD4R7J VRD-RA2BE102J VRD-RA2BE471J VRS-CY1JF101J VRS-CY1JF101J VRS-CY1JF101J VRS-CY1JF101J VRS-CY1JF822J VRD-RA2BE123J VRS-CY1JF103J VRS-CY1JF221J VRD-RA2BE224J VRS-CY1JF101J VRS-CY1JF221J VRD-RA2BE221J VRS-CY1JF331J VRS-CY1JF471J VRS-CY1JF821J VRD-RA2BE181J VRS-CY1JF820J VRS-CY1JF391J VRD-RA2BE101J VRS-CY1JF332J VRD-RA2BE101J VRS-CY1JF332J VRS-CY1JF472J VRD-RA2BE101J VRS-CY1JF153J VRD-RA2BE101J VRS-CY1JF101J VRS-CY1JF122J VRS-CY1JF101J VRS-CY1JF224J VRD-RA2BE101J VRD-RA2BE101J VRS-CY1JF102J VRD-RA2BE562J VRS-CY1JF332J VRD-RA2BE101J VRS-CY1JF332J VRS-CY1JF332J VRD-RA2BE101J VRD-RA2BE101J VRS-CY1JF223J VRS-CY1JF101J VRS-CY1JF101J VRS-CY1JF153J VRS-CY1JF153J VRD-RA2BE271J VRD-RA2BE101J VRS-CY1JF101J å S701 S1001 S1002 S1003 QSW-P0591CEZZ QSW-K0077GEZZ QSW-K0077GEZZ QSW-K0077GEZZ R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R R 3.9 47k 15 1.2k 1.5k 47k 2.7k 680 0.39 0.33 4.7 120k 120k 8.2M 39k 120k 680k 8.2M 4.7 1k 470 100 100 100 100 8.2k 12k 10k 220 220k 100 220 220 330 470 820 180 82 390 100 3.3k 100 3.3k 4.7k 100 15k 100 100 1.2k 100 220k 100 100 1k 5.6k 3.3k 100 3.3k 3.3k 100 100 22k 100 100 15k 15k 270 100 100 7W 3W 1/2W 1/8W 1/2W 3W 1/2W 1/8W 1W 1W 1/2W 1/2W 1/2W 1/2W 1/8W 1/2W 1/8W 1/2W 1/2W 1/8W 1/8W 1/16W 1/16W 1/16W 1/16W 1/16W 1/8W 1/16W 1/16W 1/8W 1/16W 1/16W 1/8W 1/16W 1/16W 1/16W 1/8W 1/16W 1/16W 1/8W 1/16W 1/8W 1/16W 1/16W 1/8W 1/16W 1/8W 1/16W 1/16W 1/16W 1/16W 1/8W 1/8W 1/16W 1/8W 1/16W 1/8W 1/16W 1/16W 1/8W 1/8W 1/16W 1/16W 1/16W 1/16W 1/16W 1/8W 1/8W 1/16W Code Cement Metal Oxide Fuse Resistor Carbon Carbon Metal Oxide Carbon Carbon Metal Film Metal Film Fuse Resistor Carbon Carbon Solid Carbon Carbon Carbon Solid Carbon Carbon Carbon Metal Oxide Metal Oxide Metal Oxide Metal Oxide Metal Oxide Carbon Metal Oxide Metal Oxide Carbon Metal Oxide Metal Oxide Carbon Metal Oxide Metal Oxide Metal Oxide Carbon Metal Oxide Metal Oxide Carbon Metal Oxide Carbon Metal Oxide Metal Oxide Carbon Metal Oxide Carbon Metal Oxide Metal Oxide Metal Oxide Metal Oxide Carbon Carbon Metal Oxide Carbon Metal Oxide Carbon Metal Oxide Metal Oxide Carbon Carbon Metal Oxide Metal Oxide Metal Oxide Metal Oxide Metal Oxide Carbon Carbon Metal Oxide Ref. No. AE AE AC AA AA AE AA AA AA AA AC AA AA AA AA AA AA AA AA AA AA AA AA AA AA AA AA AA AA AA AA AA AA AA AA AA AA AA AA AB AA AB AA AA AB AA AB AA AA AA AA AB AB AA AA AA AB AA AA AB AB AA AA AA AA AA AA AB AA S1004 S1005 Switch Switch Switch Switch Description QSW-K0077GEZZ R Switch QSW-K0077GEZZ R Switch Code AB AB MISCELLANEOUS PARTS å ACC701 QACCZ3008PEZZ å F701 QFS-C3229CEZZ FB306 RBLN-0037CEZZ FB501 RBLN-0037CEZZ FB502 RBLN-0037CEZZ FB602 RBLN-0037CEZZ FB701 RBLN-0037CEZZ FB702 RBLN-0037CEZZ FB751 RBLN-0037CEZZ FB752 RBLN-0037CEZZ å FH701 QFSHD1014CEZZ å FH702 QFSHD1013CEZZ J402 QJAKE0158CEZZ J403 QJAKE0159CEZZ J405 QJAKH0011AJZZ P1001 QPLGN0541CEZZ P1002 QPLGN0541CEZZ P302 QPLGN0241CEZZ P303 QPLGN0441CEZZ P502 QPLGN0560CEZZ P602 QPLGN0641CEZZ P701 QPLGN0260CEZZ P712 QPLGN0269GEZZ RMC1001 RRMCU0235CEZZ TP201 QLUGP0102PEZZ RDA300 PRDAR0142PEFW RDA501 PRDAR0283PEFW RDA700 PRDAR0260PEFW RDA754 PRDAR0224PEFW PWB-B R R R R R R R R R R R R R R R R R R R R R R R R R R R R R AC Cord Fuse, T3.15A/250V Balun Balun Balun Balun Balun Balun Balun Balun Fuse Holder Fuse Holder Jack(14GT20) Jack(14GT20) Jack Plug Plug Plug Plug(14GT20) Plug Plug Plug Plug Remote Reciever Lug Heat Sink, for IC301 Heat Sink, for IC501 Heat Sink, for IC701 Heat Sink, for Q602 AN AD AB AB AB AB AB AB AB AB AC AC AF AF AK AB AB AA AB AC AB AC AB AK AA AD AF AH AF DUNTK9990WET2/T3 CRT SOCKET UNIT TRANSISTORS Q870 Q871 Q872 Q883 Q885 Q887 VSBF422////-1 VSBF422////-1 VSBF422////-1 VSBF421////-1 VSBF421////-1 VSBF421////-1 R R R R R R D811 D812 D880 D881 D882 D883 D884 D885 D886 D887 D888 VHD1SS119//-1 VHD1SS119//-1 VHD1SS119//-1 VHD1SS119//-1 VHD1SS119//-1 VHD1SS82///1A VHD1SS82///1A VHD1SS82///1A VHD1SS82///1A VHD1SS82///1A VHD1SS82///1A C871 C872 C873 C880 C881 C882 C875 C876 C878 VCKYPA1HB471K VCKYPA1HB471K VCKYPA1HB471K VCKYPA1HB471K VCKYPA1HB471K VCKYPA1HB471K VCKYPA2HB102K RC-KZ0150CEZZ VCEAGA2EW106M R879 R880 VRD-RA2BE471J VRD-RA2BE471J BF422 BF422 BF422 BF421 BF421 BF421 AC AC AC AC AC AC DIODES R R R R R R R R R R R 1SS119 1SS119 1SS119 1SS119 1SS119 1SS82 1SS82 1SS82 1SS82 1SS82 1SS82 AB AB AB AB AB AC AC AC AC AC AC CAPACITORS SWITCH R R R R Part No. AQ AB AB AB R R R R R R R R R 470p 470p 470p 470p 470p 470p 1000p 1000p 10 50V 50V 50V 50V 50V 50V 500V 3kV 250V Ceramic Ceramic Ceramic Ceramic Ceramic Ceramic Ceramic Ceramic Electrolytic AA AA AA AA AA AA AA AB AC Carbon Carbon AA AA RESISTORS 57 R 470 R 470 1/8W 1/8W 14GT15 14GT20 Ref. No. R881 R888 R898 R899 R882 R884 R886 R883 R885 R887 R892 R893 R894 Part No. VRD-RA2BE471J VRD-RA2BE471J VRD-RA2BE471J VRD-RA2BE471J VRS-VV3DB153J VRS-VV3DB153J VRS-VV3DB153J VRD-RM2HD272J VRD-RM2HD272J VRD-RM2HD272J VRD-RA2BE102J VRD-RA2BE102J VRD-RA2BE102J Description R R R R R R R R R R R R R 470 470 470 470 15k 15k 15k 2.7k 2.7k 2.7k 1k 1k 1k 1/8W 1/8W 1/8W 1/8W 2W 2W 2W 1/2W 1/2W 1/2W 1/8W 1/8W 1/8W Carbon Carbon Carbon Carbon Metal Oxide Metal Oxide Metal Oxide Carbon Carbon Carbon Carbon Carbon Carbon Code Ref. No. AA AA AA AA AA AA AA AA AA AA AA AA AA Part No. Description Code MISCELLANEOUS PARTS QANTR0018PEZZ SP301 RSP-Z0005KJZZ QCNW-2377PEZZ QCNW-2378PEZZ QCNW-2379PEZZ QCNW-2423PEN1 R Rod Antenna Speaker R Connecting Cord R Connecting Cord R Connecting Cord(14GT20) Connecting Cord AQ AE AE AE MISCELLANEOUS PARTS P851 QPLGN0641CEZZ R Plug P882 QPLGN0541CEZZ R Plug å SC881 QSOCV0842CEZZ R CRT Socket AB AB AH SUPPLIED ACCESSORIES ACCESSORIES PWB-C QPLGJ0113CEZZ R Plug AG RRMCG0025KJSA Infrared Remote Control Unit TiNS-0111KJZZ Operation Manual DUNTK9989WET0(14GT20) HEAD PHONE UNIT RESISTORS R354 R355 VRS-CY1JF471J VRS-CY1JF471J R 470 R 470 J351 P351 QJAKJ0047CEZZ R Jack QPLGN0441CEZZ R Plug 1/16W Metal Oxide 1/16W Metal Oxide ACCESSORIES (NOT REPLACEMENT ITEM) AA AA UBATU0247AJZZ - Batteries — MISCELLANEOUS PARTS AD AB PACKING PARTS < NOT REPLACEMENT ITEM > SPAKC0104KJZZ SPAKC0103KJZZ SPAKP0677CEZZ SPAKX0069KJZZ SPAKX0070KJZZ SSAKA0230CEZZ 58 - Packing Case(14GT15) Packing Case(14GT20) Wrapping Paper Buffer Material (Top) Buffer Material (Bottom) Polyethylene Bag — — — — — — 14GT15 14GT20 Ref. No. Part No. Description Code Ref. No. MODEL 14GT15 CABINET PARTS 1 1-1 1-2 1-3 1-4 1-5 1-6 1-7 2 CCABA0081WEA0 Front Cabinet Ass'y Not Available - Front Cabinet HBDGB0001KJSA R Badge, "SHARP" JBTN-0043KJSA Button, Control HDECQ0038KJSA LED/RC Cover JBTN-0044KJSA Button, Power MSPRC0021KJFW Spring, Power Button HDECQ0040KJSA AV Cover GCABB0055KJKA Rear Cabinet 2 Part No. 1 1-1 1-2 1-3 1-4 1-5 1-6 2 — AE CCABA0080WEA0 Front Cabinet Ass'y Not Available - Front Cabinet HBDGB0001KJSA R Badge, "SHARP" JBTN-0043KJSA Button, Control HDECQ0038KJSA LED/RC Cover JBTN-0044KJSA Button, Power MSPRC0021KJFW Spring, Power Button GCABB0055KJKA Rear Cabinet 2 1 1-1 1-4 1-3 Code MODEL 14GT20 CABINET PARTS 1 1-1 1-2 1-2 1-6 1-5 Description 1-6 1-5 1-7 59 1-4 1-3 — AE 14GT15 14GT20 Ref. No. Part No. Description Code Ref. No. Part No. Description Code COPYRIGHT © 2000 BY SHARP CORPORATION ALL RIGHTS RESERVED. No part of this publication may be reproduced, stored in a retrieval system, or transmitted in any form or by any means, electronic, mechanical, photocopying, recording, or otherwise, without prior written permission of the publisher. SHARP CORPORATION AV Systems Group Quality & Reliability Control Center Yaita, Tochigi 329-2193, Japan TQ0866-S Mar. 2000 Printed in Japan NA. KY 60