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AKAI • I • • QUARTZ SYNTHESIZER TUNER MODELAT-93/L SPECIFICATIONS FM section Tuning frequency range . . . . 87.5 MHz to 108.0 MHz Usable sensitivity . . . . . . . . 1.0 /l V (11.2 dBD Quieting sensitivity (S/N = 50 dB) Mono . . . . . . . . . . . . . 2.0 /lV (17.2 dBD Stereo . . . . . . . . . . . . . 22 /lV (38.2 dBD Capture ratio (Wide) . . . . .. 1.3 dB Selectivity (±400 kHz) Wide . . . . . . . . . . . . • . 60 dB Narrow . . . . . . . . . . . . 90 dB Image rejection ratio . . . . . . 90 dB IF rejection ratio . . . . . . .. 100 dB Spurious rejection ratio . . . . 65 dB Sub carrier suppression ratio. . 70 dB SIN Mono (lHF-A) . . . . . . . . 90 dB (at 80 dB/l) Stereo (IHF-BPF) . . . . . . 80 dB (at 60 dB/l) 86 dB (at 80 dB/l) Distortion (T.H.D., at 1 kHz) Wide . . . . . . . . . . . . . . 0.02% (Mono)/0.07% (Stereo) Narrow . . . . . . . . . . . . 0.08% (Mono)/O.3% (Stereo) Stereo separation (at 1 kHz) .. 62 dB (Wide)/55 dB (Narrow) Frequency response . . . . . . 0 ± 0.5 dB (50 Hz to 15 kHz) AM section (MW for AT-93/L) Tuning frequency range For USA and Canada . . . . For other countries . . . . . Sensitivity (Loop antenna) . . Selectivity USA and Canada . . . . . . . Other countries. . . . . . . . Image rejection ratio . . . . . . IF rejection ratio . . . . . . . . S/N . . . . . . . . . . . . . . . . Distortion (T.H.D.) . . . . . . * 530 kHz to 1,610 kHz 531 kHz to 1,602 kHz 300/lV/m LW section (AT-93L only) Tuning frequency range .. . 144 kHz to 351 kHz Sensitivity . . . . . . . . . . . 300/lV/m Selectivity . . . . . . . . . . . 55 dB (±9 kHz) Image rejection ratio . . . . . . 45 dB IF rejection ratio . . . . . . . . 37 dB S/N . . . . . . . . . . . 40dB Distortion (T.H.D.) . . . . . . 0.6% Output level FM . . . . . . . . . . . . . . . 770 mV (at 100% modulation) AM (MW for AT-93/L) .. . 250 mV (at 30% modulation) Hi-cut filter . . . . . . . . . . -6 dB/I0 kHz Blend (Separation at 1 kHz) Blend 1 . . . . . . . . . . . 20 dB Blend 2 . . . . . . . . . . . 10dB Power requirements . . . . . . 120 V, 60 Hz for USA and Canada 220 V, 50 Hz for Europe except UK 240 V, 50 Hz for UK and Australia 110 - 120 V/220 - 240 V, 50/60 Hz convertible for other countries 461 (W) x 87 (H) x 344 (0) mm Dimensions (18.1 x 3.4 x 13.5 inches) Weight . . . . . . . . . . . . . 6.3 kg (13.9 lbs) 50 dB (±10 kHz) 40 dB (±9 kHz) 40 dB 60 dB 45 dB 0.6 dB For improvement purposes, specifications and design are subject to change without notice. *SAFETY INSTRUCTIONS PRECAUTIONS DURING SERVICING 1 . Parts identified by the .1. symbol parts are critical for safety. Replace only with parts number specified. 2. In addition to safety, other parts and assemblies are specified for conformance with such regulations as those applying to spurious radiation. These must also be replaced only with specified replacements. Examples: RF converters, tuner units, antenna selector switches, RF cables, noise blocking capacitors, noise blocking filters, etc. 3. Use specified internal wiring. Note especially: 1) Wires covered with PVC tubing 2) Double insulated wires 3) High voltage leads 4. Use specified insulating materials for hazardous live parti' Note especially: 1) Insulation Tape 2) PVC tubing 3) Spacers (Insulating Barriers) 4) Insulation sheets for transistors 5) Plastic screws for fixing micro switch (especially in turntable) 5. When replacing AC primary side components (transformers, power cords, noise blocking capacitors, etc.), wrap ends of wires securely about the terminals before soldering. 6. Observe that wires do not cont~ct heat producing parts (heatsinks, oxide metal film resistors, fusible resistors, etc.). 7. Check that replaced wir~s do not contact sharp edged or pointed parts. 8. Also check areas surrounding repaired locatoins. 9. Use care that foreign objects (screws, solder droplets, etc.) do not remain inside the set. SAFETY CHECK AFTER SERVICING Confirm the specified insulation resistance between power cord plug prongs and externally exposed parts of the set is greater than 10 M ohms. but for equipment with external antenna terminals (tuner, receiver, etc.) and is intended for(g or [Al, specified insulation resistance should be headphone jacks line-in-out jacks etc. more than 2.2 M ohms (ground terminals, microphone jacks). PRECAUTIONS FOR LITHIUM BATTERY The lithium battery· may explode when heated excessively. [OBSERVE THE FOLLOWING WHEN REPLACING] • Replace with the same make and type only. • Use soldering iron in "recommended way" only, • Place battery in correct polarity. • Do not short the terminals. • Do not recharge battery. • Do not dispose of battery in fire. (DANGER) ( (RECOMMENDED WAY) ( \ *INFORMATION SYMBOLS FOR PRIMARY DESTINATION , Alphabet indicates the destination of the units as listed below. Symbols lA] []] [QJ []] IIJ []] [YJ DD -------OC*J Principal Destinations USA UK Canada Europe (except UK) Japan Australia W. Germany only Universal Area Custom version VOLTAGE CONVERSION ([Q] Model only) Before connecting the power cord. SET the VOLT AGE SELECTOR located on the rear panel with a screwdriver so that the correct voltage is indicated. ,[]l 22()'240V 110·120V VOLTAGE SELECTOR -----------------------------------SERVOCEMANUAL----------------------------------- 2 , 11. DISASSEMBLY In case of trouble, etc. necessitating dismantling, please dismantle in the order shown in the photographs. Reassemble in reverse order. 1 Removal of Upper Cover SIDE PANEUU ) 2 Removal of Front Panel f 3 ----------------------------------SERVICEMANUAL---------------------------------4 I. CONTROLS ) 0 8 8 POWER Switch To turn the power on and off. 0 BLEND select button To select the blend mode during FM stereo reception. {;) HI-CUT button To turn the high cut filter on or off during reception. ANTENNA Select button To select the main or sub FM antenna. 0 PRESET SCAN button To set the tuner to the automatic preset station scan mode. fD MEMORY button To memorize preset stations. Press the button once to memorize preset station numbers 1 to 10. Press the button twice to memorize preset station numbers 11 to 20. 4D PRESET STATION Buttons and Indicators (1/11 to 10/20) To memorize preset stations and tune in memorized stations. «B 4D TUNING buttons (UP >/DOWN <) To tune in a station manually. 41 G1 BAND Select Button To select the band. IF BAND Select button To select the wide or narrow FM IF (lntermediate Frequency) band. 0 FM AUTO button To set the tuner to the automatic FM reception mode. 0 0 LED (Light Emitting Diode) Indicators Tells you which mode the tuner is in. FL (Fluorescent) Display Shows tuning information. SCAN MODE Select button To select the manual or automatic tuning mode. MUTING button To cut inter-station noise during tuning. I LED Indicators SIGNAL Strength Indicators Tells you the strength of the received station's signal. / HIGH CUT Indicator Tells you the high cut filter is engaged. ---------2 6 4 8 SIGNAL 10 / I MONO ANT A and B Indicators Tells you which antenna is selected. ANT B NARROW BLEND 2 ANT. A WIDE BLEND 1 J ~ / HI-CUT '".;"'0," BLEND 1/2 and MONO Tells you the blend mode selected. NARROW and WIDE Indicators Tells you which IF band of the tuner is selected. \ 3 IV. ADJUSTMENT 4-1. INSTRUMENT CONNECTIONS APPROX 600mm TEST LOOP ANTENNA AM S.S.G SET AC VOLTMETER [D OUTPUT Lch OR Rch OUTPUT INPUT Fig. 4-1 Instrument Connection for AM (MW, LW) Section Adjustment FREQUENCY COUNTER FM STEREO GENERATOR FM S.S.G INPUT OUTPUT EXT.MOO INPUT ~~~~+0750HMS OUTPUT ANTENNA TERMINAL SET INPUT DISTORTION METER Fig. 4-2 Instrument Connection for FM Section Adjustment -----------------------------------SERVICEMANUAL----------------------------------6 Ill. PRINCIPAL PARTS LOCATION VOLTAGE SELECTOR SW901 [Q) MODEL ONLY ~o,rj~~{!E R .$ ~~~ .p (: !3 S!!r~J CONTROL PCS ---------------SERVICE MANUAL--------------- 5 4-4. FM SECTION ADJUSTMENT FMIO SIGNAL INDICATOR LEVEL 1. 98MHz 2. 98MHz (IF-BAND: WIDE, BLEND & Hi.(;UT: "OFF") 3. SIGNAL METER on the Front panel. VR2, VRI2, VRl1 4.· Adjust VR2 so that 1st in LED light when 22dBI-' input level. • Change the input level from S.S.G so that the 3rd LED is light, then set to MONO mode. · Change the Input level from S.S.G to 60dBI-' and Adjust TRll so that the Sth LED is light. • At this time, confirm so that the indicator does not change at STEREO and MONO. · Same condition as in above, change IF-BAND to "NARROW", and adjust VRl so that the Sth LED is light. STEP NOTE: 1. Set the S.S.G to 1 kHz, 7S kHz deviation for~, @]' @]model, 1 kHz 40kHz deviation for [[j, I]] or ~ model. 2. Se the MUTE SW to OFF and IF Band SW to WIDE without notice. 3. Confirm that the Sensitivity margin between Low and High range sensitivities is within 3 dB, otherwise readjust Low and High range sensitivity. ADJUSTMENT ITEM I. SSG FREQ. & OUTPUT LEVEL Adjustment Part """____ 2. SET Tuning FREQ. 3. Test Point & ADl. Part 4. Result & Remarks ;:0. l'es7P, -- __ °int FMl ---.:... --- --- ----r -1 :-i' I ~ ~T5 @JVRI VC 1 @VR9 @ @VRIO ~TI ~ DCBALANCE ~ ~iiiI VC~ 6 '@ L7 VR6 ~VR7 <{?U tJ:::JI (!J VR 8 iID ~R170 CHANNEL SEPARATION 1. 98MHz, 60dBI-' (STEREO L or R channel only) 2. 98MHz (IF-BAND: WIDE, BLEND & Hi.(;UT: "OFF") 3. Connect the milli voltmeters to both L & R channels LINE OUT. WIDE mode: VR6, VR7 NARROW mode: VR8 4. Leakage of signal L ~ R or R ~ L are minimum. WIDE mode: less than 5SdB NARROW mode: less than 40dB ) / I / / / / \ / \ \ I / /- / / / 19kHz PHASE 1. 98MHz, 60dBI-' (STEREO, PILOT only) 2. 98MHz (IF-BAND: WIDE, BLEND & Hi.(;UT: "OFF") 3. Connect the oscilloscope between rear side of resister Rl70 and GND. VR4 4. Pulse position is symmetry as shown below. pes DISTORTION (STEREO) 1. 98MHz, 60dBI-' (STEREO) 2. 98MHz (IF-BAND: WIDE, BLEND & Hi.(;UT: "OFF") 3. Connect the distortion meter to LINE OUT. T1 [FRONT END) 4. Minimum distortion on both channels. • If the distortion factor is different between Land R channels, readjust VRS within 1/8 turn, so that the distortion factor between both channels are equal. * Confirm distortion at NARROW mode is less than 0.8%. \ ---------------\-TUNER pes \ .. FRONT I / ! FMSI \ \ \ \ ) FM4 FM6 FRONT END VRII \ \ \ \ / PILOT CANCEL 1. 98MHz, 60dBI-' (STEREO, PILOT only) 2. 98MHz, (IF-BAND: WIDE, BLEND & Hi.(;UT: "OFF") 3. Connect the oscilloscope and milli voltmeter to LINE OUT. VRS 4. Leakage of pilot signal is minimum, leakage level of Land R channels should be same and less than -60dB. VRI4 \(J,ONLY) / 2. Low: 87.5MHz, High: 108MHz 3. Connect the oscilloscope between TPl and GND. Low: L7, High: VC6 [FRONT END) 4. Level of waveform on the oscilloscope is maximum. FM8 \@1 / OSC BUFFER [@)~ $R168 ~VR4 ~\ / FM7 I VC5 L6 VR5 FM9 FM2 ~6~-~~1~~-~~~~==~==--~11~.~==~-----------l T4 1. 98MHz, 60dBIL 2. 98MHz 3. Connect the digital DC Voltmeter to OUTPUT. VRIO (L CH.), VR9 (R CH.) 4. Less than ImV. SENSITIVITY 1. Low: 90MHz, High: 106MHz, (MONO) 30-10dBI-' 2. Low: 90MHz, High: 106MHz 3. Connect the distortion meter to LINE OUT. Low:L1,2,4and5 [FRONT END) High: VCl, 3 and 4 [FRONT END) 4. Minimum distortion * For the best result, repeat Low and High adjustments several times. ~ ~VC3 $R94 FM3 I L2~ I LI~ T9 T I ~ TP I FMl2 --- TUNING VOLTAGE 1. 2. Low: 87.SMHz, High: 108.0MHz 3. Connect the DC digital voltmeter between JW2 and GND. Low: L6, High: VCS [FRONT END) 4. Low: 7.0 ± 0.1 V, High: 23 ± 0.2V CENTER VOLTAGE & DISTORTION (MONO) 1. 98MHz, 60dBI-' (MONO) 2. 98MHz 3. Connect the DC voltmeter between front side of resister Rl68 and GND, and distortion meter to LINE OUT. T4: Center voltage T3: Distortion factor 4. CENTER VOLTAGE: DC 0 ± SOmV DISTORTION: within 0.08% FMll 1. 98MHz, 60dBI-' 2. 98MHz 3. Connect the DC Voltmeter between TRl1 collector and GND. VR3 4. 0.1 ± O.OSV CENTERVOLTAGE OF TUNE INDICATOR 1. 98MHz, 60dBI-' (NONO) 2. 98MHz 3. Connect the DC Voltmeter between both end of resister R43. T2 4. DCO ± 50mV " Confirm that the TUNE indicator is lit. -------------------------------------------------------------------------------SERVICEMANUAL------------------------------------------------------------------------------8 ) 4-2. HOW TO CALL THE PRESET FREQUENCY FOR THE ADJUSTMENT Press the RESET SW on the REAR PANEL, the tuning frequency preset memory is set as below. AT-93 @] 0 [ill BAND FREQ 1 FM 88.00 2 FM 90.00 3 FM 98.00 4 FM 100.00 5 FM 106.00 6 FM 108.00 ST/MONO MONO MONO ST ST MONO MONO 11 13 14 15 16 AM AM AM AM 1000 12 AM 1400 800 1300 1610 1190 MONO MONO MONO MONO MONO MONO BAND FREQ AM ST/MONO AT-93 [ID BAND FREQ ST/MONO 7 FM 95.70 FM AUTO 8 FM 107.70 FM AUTO 17 FM 92.00 FM AUTO 18 FM 94.00 FM AUTO 9 10 AM AM 530 600 MONO MONO 19 FM 96.00 FM AUTO 20 FM 102.00 FM AUTO ~ 1 FM 88.00 MONO 2 FM 90.00 MONO 3 FM 98.00 ST 4 FM 100.00 ST 5 FM 106.00 MONO 6 FM 108.00 MONO 7 FM 95.75 MONO 8 FM 107.75 ST 9 AM 531 MONO 603 MONO 18 FM 90.60 FM AUTO 19 FM 90.90 FM AUTO 20 FM 96.50 FM AUTO 8 LW 300 10 MW 603 MONO 20 FM 102.00 FM AUTO 11 12 13 14 15 AM AM AM AM AM 999 1404 801 1305 1602 16 AM 1197 MONO MONO MONO MONO MONO MONO 17 FM 87.30 FM AUTO 2 FM 90.00 3 FM 98.00 4 FM 100.00 5 FM 106.00 6 FM 108.00 7 LW 160 BAND FREQ ST/MONO 4-3. AM SECTION ADJUSTMENT LW2 I. I ssb FREQ. LW3 Adjustment Part -==:::.->: es;; ---- 1' oiJ,t -.",.. LW LOW RANG SENSITIVITY I MW2 MW LOW RANGE SENSITIVITY 1. 603kHz (600kHz)/60dBIl 2. 603kHz (600kHz) 3. Connect the distortion meter to LINE OUT. T5 4. Minimum Distortion. LW HIGH RANG SENSITIVITY 1. 300kHz/60dBIl 2. 300kHz 3. Connect the distortion meter to LINE OUT. VC4 4. Minimum Distortion. LWl ADJUSTMENT ITEM & OUTPUT LEVEL 2. SET Tuning FREQ. 3. Test Point & ADJ. Part 4. Result & Remarks 1. 160kHz/60dBIl 2. 160kHz 3. Connect the distortion meter to LINE OUT. T6 4. Minimum Distortion. 10 AM STEP NOTE: 1. Set the S.S.G to 1 kHz, 75 kHz deviation for ~, [9, [ill model, 1 kHz 40kHz deviation for [ID, [KJ or[YJ model. 2. Se the MUTE SW to OFF and IF Band SW to WIDE without notice. 3. Confirm that the Sensitivity margin between Low and High range sensitivities is within 3 dB, otherwise readjust Low and High range sensitivity. 3. Connect the DC Volt meter between (Front side end) R94 and GND. T7 4. 20V ± 0.05V LWOSC 1. - - 2. 351kHz 3. Connect the DC Voltmeter between R94 (Front side end) and GND. TB 4. 20V ± 0.05V AT-93L [[] ~ BAND FREQ ST/MONO BAND FREQ ST/MONO MONO MONO ST ST MONO MONO MONO MONO 9 FM 95.75 FM AUTO 11 MW 999 12 MW 1404 13 MW 801 14 MW 1305 15 LW 200 16 LW 350 MONO MONO MONO MONO MONO MONO 17 FM 92.00 FM AUTO 18 FM 94.00 FM AUTO 19 FM 96.00 FM AUTO 1 FM 88.00 -----------------------------------SERVICEMANUAL----------------------------------- LW4 SIGNAL INDICATOR LEVEL 1. 200kHz/65dBIl 2. 200kHz 3. Signal meter on the front panel. VR13 4. Signal level "10" is light. l TUNER pes ... FRONT DISTORTION 1. 999kHz (1 OOOkHz)/7 4dBIl 2. 999kHz (1000kHz) 3. Connect the distortion meter to LINE OUT. T9 4. Less than 1.5% distortion factor. -----------------------------------SE~VICEMANUAL----------------------~----------- 7 V. PARTS LIST HOW TO USE THIS PARTS LIST 1. This Parts List lists those parts which are considered necessary for repairs. Other common parts, such as resistors and capacitors, are listed in the "Common List for Service Parts" from which these parts should be selected and stocked. 2. The Recommended Spare Parts List shows those parts in the Parts List which are considered particularly important for service. 3. Parts not shown in the Parts List and "Common List for Service Parts" will not in principle be supplied. 4. How to read the Parts List. a) Mechanism Block b) PC Board 2. HEAD BASE BLOCK REF. NO. PART NO. BH-T2023A320A HP-H2206AOIOA ZS-477876 ZS-536488 ZG-402895 Lsp 6. MAIN PC BOARD DESCRIPTION HEAD BASE BLOCK HEAD RIP PR4-8FU C PAN20x03STL CMT BID20x08STL CMT SP CS ANGLE ADJUST (Service Parts) Classification L..---A small "x" indicates that this part is not shown in the Photo or Illustration. '------This number corresponds with the individual parts index number in that figure. L--_ _ _ _ ) This number corresponds with the Figure Number. REF. NO. PART NO. 6-ICl 6-IC2 6-CIA 6-ClB 6-CIC 6-Xl EI-324536 EI-33680 1 EC-338399 EC-350949 EC-338397 EI-318384 DESCRIPTION IC HD14049BP IC MB8841-564M C MMY V 223M 250AC [U,E,B,S] C MMY V 223M 250DC [J] C MMY V 223M 125AC [C,A] OSC X'TAL NC-18C T Symbols for primary destination [A) :AAL(U.S.A.) [S) :SAA(Australia) [B): BEAB(England) [U): UjT(Universal Area) [C):CSA(Canada) [V):VDE(W. Germany) [E) : CEE (E urope) [Y) : Custom Version [J): JPN(Japan) SP (Service Parts) Classification '-----These reference symbols correspond with component symbols in the Schematic Diagrams. The available PC Board Blocks are listed separately. 5. When Part No. is known, Parts Index at end of Parts List can be used to locate where that part is shown in Parts List by its Reference No. listed at right of Part No. ---------------------------------------PARTSLIST---------------------------------------9 Ref. No. 1. RECOMMENDED SPARE PARTS We suggest you to stock the following Recommended Spare Part items listed below since they can cover most of the routine service. Ref, No. Part No. *8T-367989 2 *8T-367987 3 *8T-367988 4 *8T-367984 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 EO-356424 EO-367974 EO-367973 * EO-357754 EO-301911 EO-366443 EO-360934 EO-348205 * EO-376937 *EO-372125 EO-367971 EO-337605 EO-346612 EO-345149 EO-346594 EO-343854 EO-306316 EO-306010 EO-309069 EO-331197 EO-346535 EO-328700 *EF-365409 28 *EF-355374 29 *EF-358974 30 *EF-339905 31 *EF-593706 32 *EF-601942 33 *EF-309388 34 *EF-310229 35 *EF-305703 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 EH-315407 EH-337989 EH-367965 EH-367963 EH-367966 EH-368014 EH-368012 EI-337964 EI-373215 EI-322248 EI-202218 EI-345551 EI-354951 EI-362587 EI-362588 EI-368015 EI-31 0036 EI-306726 EI-367976 EI-368016 EI-372245 EI-367956 Description TRANS POW A3058-8 [8] [T901] TRANS POW A3058-C [A.C] [T90 1] TRANS POW A3058-E [E,V] [T901] TRANS POW A3058-U [U][T901] OLEO 8G5525S GREEN OLEO SL V-31 PC3 GREEN OLEO SP8-15PVW REO,GREEN o SILICON OS1350 200/1.0A o SILICON H OS448 o SILICON H MA700FA5 Fl0 o SILICON H 1SS238 o SILICON V MC931 DOUBLE F05 o SILICON 100Fl FA-2 F12 100/1 o SILICON l1DFl 100/1.0A o VARACTOR KV1320 o VARACTOR SVC333(A) o ZENER H HZll Cl o ZENER H HZ15L 3 o ZENER H HZ3 B3 o ZENER H HZ30L 2 o ZENER H HZ5 C2 o ZENER H HZ6 A2 o ZENER H HZ6 B2 o ZENER H HZ6 Cl o ZENER H HZ7L C2 o ZENER H HZ9 A2 FUSE BET T 250V 200MA [B] FUSE BET T 250V 500MA [B] FUSE BET T 250V 630MA [B] FUSE SEMKO T 250V 200MA [E,V] FUSE SEMKO T 250V 500MA [E,V] FUSE SEMKO T 250V 630MA [E,V] FUSE TSC A 250V 800MA [U] FUSE TSC 125V 1.00A [C,A] FUSE TSC 125V 630MA [C,A] FILTER CE SFE10.7MMKA 10.7MHZ FILTER CE SFEl 0.7MPKA 10.7MHZ FILTER CE SFE10.7MX2A 10.7MHZ FILTER CE SFE10.7MZ2A 10.7MHZ FILTER CE SFP450G 0.45MHZ FILTER LC LP BL-21 RQ FILTER LC LP 25-5690 IC BA401 IC H074LS145P ICLA1231N IC LA1245 IC LB1403 IC LM7000N IC M5238L IC M5238P IC TA7413AP IC TC4066BP IC TC4069UBT IC TC9175N' IC UPCl163HA IC.TMP47C400N-6246 A3058 OSC CE CSB456F14 0.456MHZ 58 59 60 61 62 63 64 65 66 67 68 EI-330256 EI-344422 EJ-359031 EJ-344423 EM-367977 EO-368018 EO-368017 EQ-328529 *ER-345751 *ER-332225 *ES-361970 69 ES-344439 70 71 72 ES-349367 ES-362883 ET-349449 73 74 75 76 77 78 79 ET-355556 ET-359827 ET-337759 ET-368484 ET-337743 ET-368048 ET-353899 80 81 82 83 ET-368046 ET-352726 *ET-360687 ET-338410 84 85 86 87 88 89 90 91 92 93 ET-368047 ET-370038 ET-360067 ET-360137 ET-349081 ET-357878 ET-356437 *ET-349459 *ET-362113 EZ-358816 Description OSC CE F85-006 4MHZ OSC X'TAL HC-18/U 7.200MHZ TERMINAL LEVER YK031-0215 P 2P TERMINAL W/SCREW YK031-0133P2P INO FL 9-8T-24ZK COIL OET 2 77-5074-04 10.7MHZ COIL 1FT A 119ACS-18068Xl0.7MHZ RELA Y LEAD LA82NS 2NO 12V R FUSE H S10 ER02FC 1/4W 15ROG R FUSE H S10 ER02FC 1/4W 56ROG SW PUSH SOOL81 01-1 [POWER SW] SW SLIDE 00420451 2-04-02 [U] SW TACT SKHHAK003A SW TACT SKHHLM TR FET 2SK161 O,Y [E,8] [AT -93L] TR FET 2SK241 Y TR FET 2SK246 BL TR FET 2SK246 GR TR FET 2SK373 GR TR FET 3SK 107 EJ AKAI TR 2SA 1208 S TR 2SA1317 S,T,U [U] TR 2SA1392 S TR 2SA 1392 T,U TR 2SB1015 Y,GR TR 2SC2878 A,B [E,B] [AT-93L] TR 2SC2910 S TR 2SC2910 S,T TR 2SC3330 T,U F05 TR 2SC3330 U,V F05 TR 2SC3383 S,T TR 2SC3383 S2,T,U TR 2SC930 02,E.F TR 2S01406 O,Y,GR TR 2S01406 Y,GR BA TTERY LITHIUM BR2032-1 HF 2. P.C BOARD BLOCK Ref. No. Part No, lA BA-A3058A030A PC TUNER BLK AT -93(U) [U] BA-A3058A030C PC TUNER BLK AT-93(C) [C,A] BA-A3058A0300 PC TUNER BLK AT-93(E) [E] BA-A3058A030E PC TUNER BLK AT -93(V) [V] BA-A3058A030F PC TUNER BLK AT -93L [E,B] BA-A3058A040A PC FRONT END BLK AT -93(U) lB lC 10 lE 2 Description 3. TUNER P.C BOARD Ref. No. Part No. Description BTl 01 02 03 04 05 EZ-358816 EO-360934 EO-360934 EO-360934 EO-360934 EO-360934 o SILICON H 1SS238 o SILICON H 1SS238 o SILICON H 1SS238 o SILICON H 1SS238 o SILICON H 1SS238 PARTS LIST 10 Part No. BA TTERY LITHIUM BR2032-1 HF ) Ref. No. Part No. D6 D7 D8 D9 D10 D11 D12 D13 D14 D15 D16 D17 D18 D19 D20 D21 D22 D23 D24 D26 D28 D29 D30 ED-360934 ED-360934 ED-360934 ED-360934 ED-360934 ED-360934 ED-360934 ED-360934 ED-360934 ED-301911 ED-360934 ED-301911 ED-301911 ED-301911 ED-366443 ED-366443 ED-301911 ED-301911 ED-301911 ED-348205 ED-337605 ED-337605 ED-301911 D31 ED-301911 D32 ED-301911 D33 D34 D35 D41 D42 D43 D44 D45 D46 D47 D48 D49 D50 D51 D52 D53 D54 D55 D56 D61 D62 D63 D64 D65 D66 D68 D69 D71 D72 D73 D74 D75 D76 D77 D78 D79 D80 FL1 FL2 FL3 FL4 FL5 FL6 FL7 FL8 FR1 IB1 IB2 IB3 IC1 ED-348205 ED-306316 ED-301911 ED-356424 ED-356424 ED-301911 ED-301911 ED-328700 ED-301911 ED-346612 ED-301911 ED-301911 ED-346535 ED-346535 ED-356424 ED-356424 ED-356424 ED-356424 ED-301911 ED-306010 ED-301911 ED-301911 ED-301911 ED-309069 ED-346594 ED-301911 ED-301911 ED-301911 ED-301911 ED-301911 ED-301911 ED-301911 ED-301911 ED-301911 ED-301911 ED-301911 ED-301911 EH-337989 EH-367965 EH-367963 EH-315407 EH-367966 EH-368012 EH-368014 EH-368014 *ER-345751 EH-368055 EH-368055 EH-351973 EI-368016 Description Ref. No. Part No. Description D SILICON H 1SS238 D SILICON H 1SS238 D SILICON H 1SS238 D SILICON H 1SS238 D SILICON H 1SS238 D SILICON H 1SS238 D SILICON H 1SS238 D SILICON H 1SS238 D SILICON H 1SS238 D SILICON H DS448 D SILICON H 1SS238 D SILICON H DS448 D SILICON H DS448 D SILICON H DS448 D SILICON H MA700FA5 F10 D SILICON H MA700FA5 F10 D SILICON H DS448 D SILICON H DS448 D SILICON H DS448 D SILICON V MC931 DOUBLE F05 D VARACTOR SVC333(A) D VARACTOR SVC333(A) D SILICON H DS448 [E,B] [AT-93L] D SILlC ON H DS448 [E,B] [AT-93L] D SILICON H DS448 [E,B] [AT-93L] D SILICON V MC931 DOUBLE F05 D ZENER H HZ5 C2 D SILICON H DS448 D LED BG5525S GREEN D LED BG5525S GREEN D SILICON H DS448 D SILICON H DS448 D ZENER H HZ9 A2 D SILICON H DS448 D ZENER H HZ11 C1 D SILICON H DS448 D SILICON H DS448 D ZENER H HZ7L C2 D ZENER H HZ7L C2 D LED BG5525S GREEN D LED BG5525S GREEN D LED BG5525S GREEN D LED BG5525S GREEN D SILICON H DS448 D ZENER H HZ6 A2 D SILICON H DS448 D SILICON H DS448 D SILICON H DS448 D ZENER H HZ6 B2 D ZENER H HZ3 B3 D SILICON H DS448 D SILICON H DS448 D SILICON H DS448 D SILICON H DS448 D SILICON H DS448 D SILICON H DS448 D SILICON H DS448 D SILICON H DS448 D SILICON H DS448 D SILICON H DS448 D SILICON H DS448 D SILICON H DS448 FILTER CE SFE10.7MPKA 10.7MHZ FILTER CE SFE10.7MX2A 10.7MHZ FILTER CE SFE10.7MZ2A 10.7MHZ FILTER CE SFE10.7MMKA 10.7MHZ FILTER CE SFP450G 0.45MHZ FILTER LC LP 25-5690 FILTER LC LP BL-21 RQ FILTER LC LP BL-21 RQ R FUSE H S10 ERD2FC 1/4W 15ROG COMP R RKC10BS 472J COMP R RKC10BS 472J COMP R RKC1/8B4 472J IC UPC1163HA IC2 IC3 IC4 IC5 IC6 IC7 IC8 IC9 IC10 IC11 IC12 IC13 IC15 IC16 J3 L1 L2 L3 L4 L5 EI-368016 EI-368016 EI-322248 EI-337964 EI-202218 EI-354951 EI-368015 EI-306726 EI-31 0036 EI-362588 EI-362587 EI-345551 EI-373215 EI-372245 EJ-376983J EO-376179 EO-368140 EO-368141 EO-368143 EO-368142 L6 RL1 R1 R2 R12 R21 R26 R29 R39 R43 EO-380662J EQ-328529 *ER-356573 ER-356573 ER-368128 ER-368128 ER-372994 ER-368128 ER-368128 ER-368053 IC UPC1163HA IC UPC1163HA IC LA1231N IC BA401 IC LA1245 IC LM7000N IC TA7413AP IC TC4069UBT IC TC4066BP IC M5238P IC M5238L IC LB1403 IC HD74LS145P IC.TMP47C400N-6246 A3058 PIN J YKC21-0312 P 2P COIL FIX 1 ALF-7.5F F05 101K COIL FIX 1 TL-8 123J COIL FIX 1 TL-8 103J COIL FIX 1 TL-8473J COIL FIX 1 TL-8 153J [V] COIL FIX 1 LF-5.0S F05 2R2M RELA Y LEAD LAB2NS 2NO 12V R SD ANTI-STATIC 1/2W 225K R SD ANTI-STATIC 1/2W 225K R CB H S10 FS RDS 1/4W 560J R CB H S10 FS RDS 1/4W 560J R CB H S10 FS RDS 1/4W 470J R CB H S10 FS RDS 1/4W 560J R CB H S10 FS RDS 1/4W 560J R CB H S10 FS RDS 1/4W 243J [U,E,B,V] R CB H S10 FS RDS 1/4W 183J [A,C] R CB H S10 FS RDS 1/4W 560J R CB H S10 FS RDS 1/4W 560J R CB H S10 FS RDS 1/4W 560J R CB H S10 FS RDS 1/4W 470J R CB H'SlO FS RDS 1/4W 470J R CB H S10 FS RDS 1/4W 153J R CB H S10 FS RDS 1/4W 201J R CB H S10 FS RDS 1/4W 560J R CB H S10 FS RDS 1/4W 560J SW TACT SKHHLM SW SLIDE 00420451 2-04-02 [U] TERMINAL W/SCREW YKD31-0 133P2P TERMINAL LEVER YKD31-0215 P 2P TR FET 2SK241 Y TR 2SC3330 T,U F05 TR FET 2SK241 Y TR 2SC930 D2,E,F TR FET 2SK241 Y TR FET 2SK241 Y TR FET 2SK161 O,Y TR FET 2SK246 GR TR 2SC3383 S2, T,U TR 2SC3330 T,U F05 TR 2SC3330 T,U F05 TR 2SC3330 T,U F05 TR 2SC3383 S2,T,U TR 2SA 1392 T,U TR 2SC3330 T,U F05 TR 2SC3383 S2,T,U TR 2SA 1392 T,U TR 2SC3383 S2,T,U TR 2SC3383 S2,T,U TR 2SC3383 S2,T,U TR 2SC3383 S2,T,U TR 2SC291 0 S,T TR 2SC2878 A,B [E,B] [AT-93L] TR FET 2SK161 O,Y [E,B] [AT -93L] TR 2SC3330 T,U F05 [E,B] [AT-93L] TR 2SC3330 T,U F05 [E.B] [AT -93L] R43A ER-368052 R44 R51 R55 R64 R65 R77 R186 R310 R365 SW1 SW2 ER-368128 ER-368128 ER-368128 ER-372994 ER-372994 ER-368051 ER-368127 ER-368128 ER-368128 ES-362883 ES-344439 TM1 TM2 TR1 TR2 TR3 TR4 TR5 TR6 TR7 TR8 TR9 TR10 TR11 TR12 TR13 TR14 TR15 TR16 TR17 TR18 TR19 TR20 TR21 TR22 TR25 EJ-344423 EJ-359031 ET-355556 ET-360067 ET-355556 ET-356437 ET-355556 ET-355556 ET-349449 ET-337759 ET-357878 ET-360067 ET-360067 ET-360067 ET-357878 ET-352726 ET-360067 ET-357878 ET-352726 ET-357878 ET-357878 ET-357878 ET-357878 ET-370038 ET-338410 TR26 ET-349449 TR27 ET-360067 TR28 ET·360067 PARTS LIST 11 \ Ref. No. Part No. Description Ref. No. Part No. Description TR29 ET·360067 TR30 TR31 TR32 TR33 TR34 TR35 ET·349449 ET·360067 ET·356437 ET·368484 ET·357878 ET·368484 T2 T3 T4 T5 T6 EO·368018 EO·368019 EO·368020 EO·349454 EO·349455 T7 EO·348209 T7A EO·349456 TR36 ET-357878 T8 EO-352089 TR37 TR38 TR39 TR40 TR41 TR42 TR43 TR44 TR45 TR46 TR47 TR48 TR49 TR50 TR51 TR52 TR53 TR54 TR55 TR56 TR57 TR58 TR59 TR60 TR61 TR62 TR63 TR64 TR65 TR66 TR67 ET-353899 ET-353899 ET-353899 ET-349081 ET-368046 ET-368046 ET-349081 ET-337759 ET-337759 ET-337759 ET-368047 ET-368048 ET-337759 ET-337759 ET-360067 ET-360067 ET-360067 ET-353899 ET-360067 ET-360067 ET-360067 ET-337759 ET-337759 ET-337759 ET-349081 ET-368046 ET-368046 ET-349081 ET-368046 ET-349081 ET-337759 T9 VCl VC3 VC4 EO-368022 EV-368058 EC-359065 EC-363331 VRl VR2 VR3 VR4 VR5 VR6 VR7 VR8 VR9 VR10 VRll VR12 VR13 Xl X2 X3 EV-368126 EV-36B029 EV-368029 EV-368028 EV-368027 EV-368027 EV-368027 EV-368024 EV-368026 EV-368026 EV-368025 EV-368025 EV-368029 EI-344422 EI-367956 EI-330256 COIL DET 2 77-5074·04 10.7MHZ COIL DET 1 77-5060 10. 7MHZ COIL DET 1 77·5061 10.7MHZ COIL VARI2 25A-1706-09 COIL VARI 2 25A-2664-16 [E,B] [AT·93L] COIL OSC 2 7NR·8646Y 115.0 UH [U.A.C,E,V] COIL OSC 2 7NRS-91 53Z 150.0UH [E,B] [AT-93L] COIL OSC 2 7BRS-9098X 580.0UH [E,B] [AT-93L] COIL 1FT 125-1143-10 450KHZ CS-FIX H VCT51J 15-100 CS-FIX H CTC-6U-020 4.3-20 CS-FIX H CTC-6U-030 5.5-30 [E,B] [AT-93L] R S-FIX H V6EK-PV311S)0.lW 501 R S-FIX H V6EK-PV311S)0.lW 303 R S-FIX H V6EK-PV3(lS)0.lW 303 R S-FIX H V6EK-PV3(lS)0.lW 302 R S-FIX H V6EK-PV3(lS)0.lW 203 R S-FIX H V6EK-PV3(lS)0.lW 203 R S-FIX H V6EK-PV3(1 S)O.l W 203 R S-FIX H V6EK-PV3(lS)0.lW 103 R S-FIX H V6EK-PV3(lS)0.lW 105 R S-FIX H V6EK-PV3(lS)0.lW 105 R S-FIX H V6EK-PV311S)0.lW 104 R S-FIX H V6EK-PV3(lS)0.lW 104 R S-FIX H V6EK-PV311S)0.lW 303 OSC X'TAL HC-18/U 7.200MHZ OSC CE CSB456F14 0.456MHZ OSC CE F85-006 4MHZ TR68 TR69 TR70 TR71 TR72 TR73 TR74 TR75 TR76 TR77 ET-337759 ET-368047 ET-368048 ET-349081 ET-368046 ET-368046 ET-349081 ET-368046 ET-349081 ET-337759 TR78 TR79 TR80 TR86 TR87 TR88 TR90 TR91 TR92 TR93 TR94 TR95 TR96 TR97 TR98 TR99 TR100 TR10l TR102 TR103 ET-337759 ET-368047 ET-368048 ET-360067 ET-360067 ET-360067 ET-360067 ET-360067 ET-360067 ET-360067 ET-353899 ET-360067 ET-360067 ET-360067 ET-360067 ET-360067 ET-360067 ET-360067 ET-360067 ET-353899 TR104 TR105 T1 ET-360067 ET-360067 EO-368017 TR 2SC3330 T,U F05 [E,B] [AT ·93L] TR FET 2SK161 O,Y TR 2SC3330 T,U F05 TR 2SC930 D2,E.F TR FET 2SK373 GR TR 2SC3383 S2,T,U TR FET 2SK373 GR [E,B] [AT -93L] TR 2SC3383 S2,T,U [E,B] [AT-93] TR 2SA1317 S,T,U TR 2SA1317 S,T,U TR 2SA 1317 S,T,U TR 2SC3383 S,T TR 2SA1392 S TR 2SA1392 S TR 2SC3383 S, T TR FET 2SK246 GR TR FET 2SK246 GR TR FET 2SK246 GR TR 2SC2910 S TR 2SA1208 S TR FET 2SK246 GR TR FET 2SK246 GR TR 2SC3330 T,U F05 TR 2SC3330 T,U F05 TR 2SC3330 T,U F05 TR 2SA1317 S,T,U TR 2SC3330 T,U F05 TR 2SC3330 T,U F05 TR 2SC3330 T,U F05 TR FET 2SK246 GR TR FET 2SK246 GR TR FET 2SK246 GR TR 2SC3383 S,T TR 2SA1392 S TR 2SA1392 S TR 2SC3383 S,T TR 2SA1392 S TR 2SC3383 S,T TR FET 2SK246 GR [U] TR FET 2SK246 GR TR 2SC2910 S TR 2SA1208 S TR 2SC3383 S, T TR 2SA1392 S TR 2SA1392 S TR 2SC3383 S, T TR 2SA1392 S TR 2SC3383 S,T TR FET 2SK246 GR [U] TR FET 2SK246 GR TR 2SC2910 S TR 2SA1208 S TR 2S(:3330 T,U F05 TR 2SC3330 T,U F05 TR 2SC3330 T,U F05 TR 2SC3330 T,U F05 TR 2SC3330 T,U F05 TR 2SC3330 T,U F05 TR 2SC3330 T,U F05 TR 2SA1317 S,T,U TR 2SC3330 T,U F05 TR 2SC3330 T,U F05 TR 2SC3330 T,U F05 TR 2SC3330 T,U F05 TR 2SC3330 T,U F05 TR 2SC3330 T,U F05 TR 2SC3330 T,U F05 TR 2SC3330 T,U F05 TR 2SA1317 S,T,U [U] TR 2SC3330 T,U F05 TR 2SC3330 T,U F05 COIL 1FT A 119ACS-18068X 10.7MHZ 4. FRONT END P.C BOARD Ref. No. Part No, Description Dl D3 D4 D5 D6 L1 L2 L4 L5 L6 L7 L8 TRl TR2 TR3 TR4 TR5 Tl VCl VC3 VC4 VC5 VC6 ED-367971 ED-367971 ED-367971 ED-367971 ED-367971 EO-349461 EO-349462 EO-367969 EO-367970 EO-367968 EO-367968 EO-336934 ET-337743 ET-337743 ET-355556 ET-355556 ET-349449 EO-337640 EC-363329 EC-363329 EC-363329 EC-363329 EC-363329 D VARACTOR KV1320 D VARACTOR KV1320 D VARACTOR KV1320 D VARACTOR KV1320 D VARACTOR KV1320 COIL FIX 2 LINK COIL FIX 2 U147 COIL VARI 2 AFE93-RF-l COIL VARI 2 AFE93-RF-2 COIL VARI 2 AFE93-0SC-U COIL VARI 2 AFE93-0SC-U COIL FIX 1 LAL03KH 2R2M TR FET 3SK 107 E.F AKAI TR FET 3SK 107 E.F AKAI TR FET 2SK241 Y TR FET 2SK241 Y TRFET2SK1610,Y COIL 1FT 119AC-15533X 10.7MHZ CS-FIX H CTC-64-01 0 2.5-10 CS-FIX H CTC-64-010 2.5-10 CS-FIX H CTC-64-010 2.5- 10 CS-FIX H CTC-64-01 0 2.5-10 CS-FIX H CTC-64-010 2.5- 10 5. POWER SUPPLY P.C BOARD Ref. No. Part No. Description C3 C4 EC-365629 EC-365629 C EC V CUT ASl 102M 35.0DC C EC V CUT ASl 102M 35.0DC PARTS LIST 12 ) Ref. No. Part No. Description C13 EC·325109 C13A EC·325103 C16 C18 Dl D2 D3 D4 D5 D6 D7 D8 D9 Dl0 Dll D12 D13 D14 D15 D16 FRl Rl R2 Rl0 R13 R14 R17 R18 R19 R21 TRl TR2 TR3 TR4 TR7 TR8 TR9 TR10 TRll TR12 F7 EC·316231 EC-365619 *ED-376937 *ED-376937 *ED-376937 *ED-376937 ED-345149 ED-345149 *ED-372125 *ED-372125 *ED-357754 *ED-357754 *ED-357754 *ED-357754 *ED-357754 *ED-357754 ED-343854 ED-331197 *ER-332225 ER-368124 ER-368124 ER-368125 ER-375106 ER-375106 ER-363986 ER-363986 ER-372991 *ER-356573 *ET-362113 *ET-360687 ET-359827 ET-359827 *ET-349459 ET-359827 *ET-349459 *ET-349459 *ET-349459 ET-360137 *EF-309388 F3 *EF-310229 F4 *EF-310229 F5 *EF-305703 F6 *EF-305703 Fl *EF-339905 F2 *EF-339905 F3 *EF-601942 F4 *EF-601942 F5 *EF-593706 F6 *EF-593706 Fl *EF-365409 F2 *EF-365409 F3 *EF-358974 F4 *EF-358974 F5 *EF-355374 F6 *EF-355374 C EC V CUT ASl 102M 50.0DC [C,A,E,V,B] C EC V CUT ASl 331M 50.0DC [U] C EC V CUT ASl 222M 35.0DC C EC V CUT ASl 102M 25.0DC D SILICON 10DFl FA-2 F12 100/1 D SILICON 10DFl FA-2 F12100/1 D SILICON 10DFl FA-2 F12 100/1 D SILICON 10DFl FA-2 F12 100/1 D ZENER H HZ15L 3 D ZENER H HZ15L 3 D SILICON 11 DF 1 100/ 1.0A D SILICON 11 DFl 100/1.0A D SILICON DS135D 200/1.0A D SILICON DS135D 200/1.0A D SILICON DS135D 200/1.0A D SILICON DS135D 200/1.0A D SILICON DS135D 200/1.0A D SILICON DS135D 200/1.0A D ZENER H HZ30L 2 D ZENER H HZ6 Cl R FUSE H S10 ERD2FC 1/4W 56ROG RCBHS12FSRDS 1/2W331J R CB H S12 FS RDS 1/2W 331J R CB H S12 FS RDS 1/2W 222J R CB H S10 FS RDS 1/4W 221J R CB H S10 FS RDS 1/4W 221J R OMF H S15 FS 2W 101J R OMF H S15 FS 2W 101J R CB H S10 FS RDS 1/4W 101J R SD ANTI-STA TIC 1/2W 225K TR 2SD1406 Y,GR TR 2SB1015 Y,GR TR FET 2SK246 BL TR FET 2SK246 BL TR 2SD1406 O,Y,GR TR FET 2SK246 BL TR 2SD1406 O,Y,GR TR 2SD1406 O,Y,GR TR 2SD1406 O,Y,GR TR 2SC3330 U,V F05 FUSE TSC A 250V 800MA [U] FUSE TSC 125V 1.00A [C,A] FUSE TSC 125V 1.00A [CA] FUSE TSC 125V 630MA [C,A] FUSE TSC 125V 630MA [C,A] FUSE SEMKO T 250V 200MA [E,V] FUSE SEMKO T 250V 200MA [E,V] FUSE SEMKO T 250V 630MA [E,V] FUSE SEMKO T 250V 630MA [E,V] FUSE SEMKO T 250V 500MA [E,V] FUSE SEMKO T 250V 500MA [E,V] FUSE BET T 250V 200MA [B] FUSE BET T 250V 200MA [B] FUSE BET T 250V 630MA [B] FUSE BET T 250V 630MA [B] FUSE BET T 250V 500MA [B] FUSE BET T 250V 500MA [B] 6. POWER SW P.C BOARD Ref, No, Part No. C31 * EC·320548 C31A * EC·338496 SWl *ES-361970 Description C CE V F 103Z 250AC [U] C CE V FZ 472P 400AC [CAE,V,B] SW PUSH SDDLBl 01-1 [POWER SW] 7. FLD P.C BOARD Ref, No. Part No. Description Dl D2 D3 D4 D5 D6 D7 D8 D9 Dl0 Dll D12 D13 D14 D15 D16 D17 D18 D19 D20 D21 D22 D23 ICl 1Nl SWl SW2 SW3 SW4 SW5 SW6 SW7 SW8 SW9 SW10 SWll SW12 ED-367973 ED-367973 ED-367973 ED-367973 ED-367973 ED-367973 ED-367973 ED-367973 ED-367973 ED-367973 ED-367974 ED-367974 ED-367974 ED-367974 ED-367974 ED-367974 ED-367974 ED-367974 ED-367974 ED-367974 ED-367974 ED-367974 ED-367974 EI-367976 EM-367977 ES-349367 ES-349367 ES-349367 ES-349367 ES-349367 ES-349367 ES-349367 ES-349367 ES-349367 ES-349367 ES-349367 ES-349367 D LED SPB-l 5PVW RED,GREEN D LED SPB-15PVW RED,GREEN D LED SPB-15PVW RED,GREEN D LED SPB-15PVW RED,GREEN D LED SPB-15PVW RED,GREEN D LED SPB-15PVW RED,GREEN D LED SPB-l 5PVW RED,GREEN D LED SPB-15PVW RED,GREEN D LED SPB-15PVW RED,GREEN D LED SPB-15PVW RED,GREEN D LED SLY -31 PC3 GREEN D LED SL V-31 PC3 GREEN D LED SL V-31 PC3 GREEN D LED SL V-31 PC3 GREEN D LED SL V-31 PC3 GREEN D LED SL V-31 PC3 GREEN D LED SL V-31 PC3 GREEN D LED SL V-31 PC3 GREEN D LED SL V-31 PC3 GREEN D LED SL V-31 PC3 GREEN D LED SL V-31 PC3 GREEN D LED SLY -31 PC3 GREEN D LED SL V-31 PC3 GREEN IC TC9175N IND FL 9-BT -24ZK SW TACT SKHHAK003A SW TACT SKHHAK003A SW TACT SKHHAK003A SW TACT SKHHAK003A SW TACT SKHHAK003A SW TACT SKHHAK003A SW TACT SKHHAK003A SW TACT SKHHAK003A SW TACT SKHHAK003A SW TACT SKHHAK003A SW TACT SKHHAK003A SW TACT SKHHAK003A 8. CONTROL P.C BOARD Ref. No. Part No. Description Dl D2 D3 D4 D5 D6 SWl SW2 SW3 SW4 SW5 SW6 SW7 SW8 SW9 SW10 ED-301911 ED-301911 ED-301911 ED-301911 ED-301911 ED-301911 ES-349367 ES-349367 ES-349367 ES-349367 ES-349367 ES-349367 ES-349367 ES-349367 ES-349367 ES-349367 D SILICON H DS448 D SILICON H DS448 D SILICON H DS448 D SILICON H DS448 D SILICON H DS448 D SILICON H DS448 SW TACT SKHHAK003A SW TACT SKHHAK003A SW TACT SKHHAK003A SW TACT SKHHAK003A SW TACT SKHHAK003A SW TACT SKHHAK003A SW TACT SKHHAK003A SW TACT SKHHAK003A SW TACT SKHHAK003A SW TACT SKHHAK003A PARTS LIST 13 IFINAL ASS EMBL Y BLOCK I 53 ) /' /' /' /' /' /' /' /' ( I I I l -14 PARTS LIST 9. FINAL ASSEMBLY BLOCK Ref. No. Part No. 2A SP-368662B 2B SP-368662C 2C SP-368662D 2D SP-368662F 2E SP-368662E 3 4 5 8A ZS-308846 SA-B368687 ZS-609017 *EW-363656 8B *EW-363811 8C *EW-363669 8D *EW-363681 10 11 15A ZS-447840 ZS-308846 *BT-367984 15B *BT-367987 15C *BT-367988 15D *BT-367989 17 18A 18B 48 49 52 53 54 55 56 57 58 59 ZS-346742 BD-A3058A020A BD-A3058A020C ZS-463353 SK-373236B SP-368689B ZS-308846 SP-368691 SP-368692 ZW-376292 ZW-380300J ZS-376293 * ES-348463 Description PANEL REAR AT-93(U) [U] PANEL REAR AT -93(A,C) [C,A] PANEL REAR AT -93(E, V) [E,V] PANEL REAR AT -93L(E) [E] PANEL REAR AT -93L(B) [B] T2BR30X08STL BZN PROJECTION FOOT ROUND SHAPED PART T2BR40X 12STL CMT AC CORD200 0129AVFF B200 A U/T [U] AC CORD200 KP10WSPT2 B200 A UC [C,A] AC CORD200 0364 LCFL B200 A EV [E,V] AC CORD200 LCFL B200 A B [B] T2BR30X08STL CMT T2BR30X08STL BZN PROJECTION TRANS POW A3058-U [U] [T901] TRANS POW A3058-C [A,C] [T901] TRANS POW A3058-E [E. V][T90 1] TRANS POW A3058-B [B][T901] ST BID40X08STL CMT CUP PANEL FRONT BLK A T-93-B(U) PANEL FRONT BLK AT-93L-B T2BR30X08STL BNI KNOB POWER-B COVER UPPER-B T2BR30X08STL BZN PROJECTION SIDE BOARD(L) SIDE BOARD(R) WASHER SIDE BOARD WAVE W 43X080X015 SUS SCREW SIDE BOARD SW SLIDE 00120297 01-2 [U] [SW901][VOTAGE SELECTOR] 10. ACCESSORY Ref. No. 1 2 3 4 5 Part No. Description AX-356999 EJ-352118 EE-315329 EE-349443 AX-349444 CORD OFC NI-P Pop 2P 2PCS SOCKET COAX PAL B2-714P-900 ANT DIPOLE SAE-01 0 ANT LOOP LA-300 ANT CATCH SET AH-003 '\ ,I ---------------------------------------PARTSLIST--------------------------------------15 INDEX Part No. Ref. No. Part No. Ref. No. Part No. Ref. No. Part No. Ref. No. 57 X2 54 ICl 51 IC8 55 ICl IC2 IC3 AX-349444 AX-356999 BA-A3058A030A BA-A3058A030C BA-A3058A030D BA-A3058A030E BA-A3058A030F BA-A3058A040A BD-A3058A020A BD-A3058A020C 5 1 lA lB lC ID lE 2 18A 18B ED-331197 ED-331197 ED-337605 ED-337605 ED-337605 ED-343854 ED-343854 ED-345149 ED-345149 ED-345149 24 D16 16 D28 D29 20 D15 18 D5 D6 ED-367974 ED-367974 ED-367974 ED-367974 ED-372125 ED-372125 ED-372125 ED-376937 ED-376937 ED-376937 D20 D21 D22 D23 14 D7 D8 13 Dl D2 EI-367956 EI-367956 EI-367976 EI-367976 EI-368015 EI-368015 EI-368016 EI-368016 EI-368016 EI-368016 BT-367984 BT-367984 BT-367987 BT-367987 BT-367988 BT-367988 BT-367989 BT-367989 EC-316231 EC-320548 4 15A 2 15B 3 15C 1 15D C16 C31 ED-346535 ED-346535 ED-346535 ED-346594 ED-346594 ED-346612 ED-346612 ED-348205 ED-348205 ED-348205 25 D50 D51 19 D66 17 D47 12 D26 D33 ED-376937 ED-376937 'EE-315329 EE-349443 EF-305703 EF-305703 EF-305703 EF-309388 EF-309388 EF-310229 D3 D4 3 4 35 F5 F6 33 F7 34 EI-372245 EI-372245 EI-373215 EI-373215 EJ-344423 EJ-344423 EJ-352118 EJ-359031 EJ-359031 EJ-376983J 56 IC16 44 IC15 61 TMl 2 60 TM2 J3 EC-325103 EC-325109 EC-338496 EC-359065 EC-363329 EC-363329 EC-363329 EC-363329 EC-363329 EC-363331 C13A C13 C31A VC3 VCl VC3 VC4 VC5 VC6 VC4 ED-356424 ED-356424 ED-356424 ED-356424 ED-356424 ED-356424 ED-356424 ED-357754 ED-357754 ED-357754 5 D41 D42 D52 D53 D54 D55 8 D9 Dl0 EF-310229 EF-310229 EF-339905 EF-339905 EF-339905 EF-355374 EF-355374 EF-355374 EF-358974 EF-358974 F3 F4 30 Fl F2 28 F5 F6 29 F3 EM-367977 EM-367977 EO-336934 EO-337640 EO,348209 EO-349454 EO-349455 EO-349456 EO-349461 EO-349462 62 1Nl L8 Tl T7 T5 T6 T7A L1 L2 EC-365619 EC-365629 EC-365629 ED-301911 ED-301911 ED-301911 ED-301911 ED-301911 ED-301911 ED-301911 C18 C3 C4 9 D15 D17 D18 D19 D22 D23 ED-357754 ED-357754 ED-357754 ED-357754 ED-360934 ED-360934 ED-360934 ED-360934 ED-360934 ED-360934 Dll D12 D13 D14 11 Dl D2 D3 D4 D5 EF-358974 EF-365409 EF-365409 EF-365409 EF-593706 EF-593706 EF-593706 EF-601942 EF-601942 EF-601942 F4 27 Fl F2 31 F5 F6 32 F3 F4 EO-352089 EO-367968 EO-367968 EO-367969 EO-367970 EO-368017 EO-368017 EO-368018 EO-368018 EO-368019 T8 L6 L7 L4 L5 64 Tl 63 T2 T3 ED-301911 ED-301911 ED-301911 ED-301911 ED-301911 ED-301911 ED-301911 ED-301911 ED-301911 ED-301911 D24 D30 D31 D32 D35 D43 D44 D46 D48 D49 ED-360934 ED-360934 ED-360934 ED-360934 ED-360934 ED-360934 ED-360934 ED-360934 ED-360934 ED-360934 D6 D7 D8 D9 Dl0 Dll D12 D13 D14 D16 EH-315407 EH-315407 EH-337989 EH-337989 EH-351973 EH-367963 EH-367963 EH-367965 EH-367965 EH-367966 36 FL4 37 FLl IB3 39 FL3 38 FL2 40 EO-368020 EO-368022 EO-368140 EO-368141 EO-368142 EO-368143 EO-376179 EO-380662J £0-328529 £0-328529 T4 T9 L2 L3 L5 L4 Ll L6 65 RL1 ED-301911 ED-301911 ED-301911 ED-301911 ED-301911 ED-301911 ED-301911 ED-301911 ED-301911 ED-301911 D56 D62 D63 D64 D68 D69 D71 D72 D73 D74 ED-366443 ED-366443 ED-366443 ED-367971 ED-367971 ED-367971 ED-367971 ED-367971 ED-367971 ED-367973 10 D20 D21 15 Dl D3 D4 D5 D6 7 EH-367966 EH-368012 EH-368012 EH-368014 EH-368014 EH-368014 EH-368055 EH-368055 EI-202218 EI-202218 FL5 42 FL6 41 FL7 FL8 IBl IB2 46 IC6 ER-332225 ER-332225 ER-345751 ER-345751 ER-356573 ER-356573 ER-356573 ER-363986 ER-363986 ER-368051 67 FRl 66 FRl RI R2 R21 R17 R18 R77 ED-301911 ED-301911 ED-301911 ED-301911 ED-301911 ED-301911 ED-301911 ED-301911 ED-301911 ED-301911 D75 D76 D77 D78 D79 D80 Dl D2 D3 D4 ED-367973 ED-367973 ED-367973 ED-367973 ED-367973 ED-367973 ED-367973 ED-367973 ED-367973 ED-367973 Dl D2 D3 D4 D5 D6 D7 D8 D9 Dl0 EI-306726 EI-306726 EI-31 0036 EI-31 0036 EI-322248 EI-322248 EI-330256 EI-330256 EI-337964 EI-337964 53 IC9 52 IC10 45 IC4 58 X3 43 IC5 ER-368052 ER-368053 ER-368124 ER-368124 ER-368125 ER-368127 ER-368128 ER-368128 ER-368128 ER-368128 R43A R43 RI R2 RIO R186 R12 R21 R29 R39 ED-301911 ED-301911 ED-306010 ED-306010 ED-306316 ED-306316 ED-309069 ED-309069 ED-328700 ED-328700 D5 D6 22 D61 21 D34 23 D65 26 D45 ED-367974 ED-367974 ED-367974 ED-367974 ED-367974 ED-367974 ED-367974 ED-367974 ED-367974 ED-367974 6 Dl1 D12 D13 D14 D15 D16 D17 D18 D19 EI-344422 EI-344422 EI-345551 EI-345551 EI-354951 EI-354951 EI-362587 EI-362587 EI-362588 EI-362588 59 Xl 47 IC13 48 IC7 49 IC12 50 IC11 ER-368128 ER-368128 ER-368128 ER-368128 ER-368128 ER-372991 ER-372994 ER-372994 ER-372994 ER-375106 R44 R51 R55 R310 R365 R19 R26 R64 R65 R13 --------------------------------------PARTSLIST-------------------------------------16 ) Part No. Ref. No. Part No. Ref. No. Part No. Ref. No. ER-375106 ES-344439 ES-344439 ES-348463 ES-349367 ES-349367 ES-349367 ES-349367 ES-349367 ES-349367 R14 69 SW2 59 70 SW1 SW2 SW3 SW4 SW5 ET-355556 ET-355556 ET-355556 ET-355556 ET-355556 ET-355556 ET-356437 ET-356437 ET-356437 ET-357878 TR1 TR3 TR5 TR6 TR3 TR4 90 TR4 TR32 89 ET-368484 ET-368484 ET-370038 ET-370038 EV-368024 EV-368025 EV-368025 EV-368026 EV-368026 EV-368027 TR33 TR35 85 TR22 VR8 VR11 VR12 VR9 VR10 VR5 ES-349367 ES·349367 ES-349367 ES·349367 ES·349367 ES-349367 ES-349367 ES·349367 ES-349367 ES-349367 SW6 SW7 SW8 SW9 SW10 SW11 SW12 SW1 SW2 SW3 ET-357878 ET-357878 ET-357878 ET-357878 ET-357878 ET-357878 ET-357878 ET-357878 ET-357878 ET-359827 TR9 TR13 TR16 TR18 TR19 TR20 TR21 TR34 TR36 74 EV-368027 EV-368027 EV-368028 EV-368029 EV-368029 EV-368029 EV-368058 EV-368126 EW-363656 EW-363669 VR6 VR7 VR4 VR2 VR3 VR13 VC1 VR1 8A 8C ES-349367 ES-349367 ES-349367 ES·349367 ES-349367 ES-349367 ES-349367 ES-361970 ES-361970 ES-362883 SW4 SW5 SW6 SW7 SW8 SW9 SW10 68 SW1 71 ET-359827 ET-359827 ET-359827 ET-360067 ET-360067 ET-360067 ET-360067 ET-360067 ET-360067 ET-360067 TR3 TR4 TR8 86 TR2 TR10 TR11 TR12 TR15 TR27 EW-363681 EW-363811 EZ-358816 EZ-358816 SA-B368687 SK-3732368 SP-3686628 SP-368662C SP-3686620 SP-368662E 80 88 93 8T1 4 49 2A 28 2C 2E ES-362883 ET-337743 ET-337743 ET-337743 ET-337759 ET-337759 ET-337759 ET-337759 ET-337759 ET-337759 SW1 77 TR1 TR2 75 TR8 TR44 TR45 TR46 TR49 ET-360067 ET-360067 ET-360067 ET-360067 ET-360067 ET-360067 ET-360067 ET-360067 ET-360067 ET-360067 TR28 TR29 TR31 TR51 TR52 TR53 TR55 TR56 TR57 TR86 SP-368662F SP-3686898 SP-368691 SP-368692 ZS-308B46 ZS-308846 ZS-308846 ZS-346742 ZS-376293 ZS-447B40 20 52 54 55 3 11 53 17 58 10 ET-337759 ET-337759 ET-337759 ET-337759 ET-337759 ET-337759 ET-337759 ET-337759 ET-33B410 ET-338410 TR50 TR58 TR59 TR60 TR67 TR68 TR77 TR78 83 TR25 ET-360067 ET-360067 ET-360067 ET-360067 ET-360067 ET-360067 ET-360067 ET-360067 ET-360067 ET-360067 TR87 TR88 TR90 TR91 TR92 TR93 TR95 TR96 TR97 TR98 ZS-463353 ZS-609017 ZW-376292 ZW-380300J 48 5 56 57 ET-349081 ET-349081 ET-349081 ET-349081 ET-349081 ET-349081 ET-349081 ET-349081 ET-349081 ET-349449 88 TR40 TR43 TR61 TR64 TR66 TR71 TR74 TR76 72 ET-360067 ET-360067 ET-360067 ET-360067 ET-360067 ET-360067 ET-360137 ET-360137 ET-360687 ET-360687 TR99 TR100 TR101 TR102 TR104 TR105 87 TR12 82 TR2 ET-349449 ET-349449 ET-349449 ET-349449 ET-349459 ET-349459 ET·349459 ET·349459 ET-349459 ET-352726 TR7 TR26 TR30 TR5 91 TR7 TR9 TR10 TR11 81 ET-362113 ET-362113 ET-368046 ET-368046 ET-368046 ET-368046 ET-368046 ET-368046 ET-368046 ET-368046 92 TR1 80 TR41 TR42 TR62 TR63 TR65 TR72 TR73 ET-352726 ET-352726 ET-353899 ET-353899 ET-353899 ET-353899 ET-353899 ET-353899 ET-353899 ET-355556 TR14 TR17 79 TR37 TR38 TR39 TR54 TR94 TR103 73 ET-368046 ET-368047 ET-368047 ET-368047 ET-368047 ET-368048 ET-368048 ET-368048 ET-368048 ET-368484 TR75 84 TR47 TR69 TR79 78 TR48 TR70 TR80 76 Part No. Ref. No. ------------------------------------PARTSUST-----------------------------------17 MEMO 18 4.- ABBREVIATIONS (TUNER) ABBREVIATION EXPLANATION ABBREVIATION EXPLANA nON AFC Auto Frequency Control MEMO MEMOry AGC Auto Gain Control MI-COM MIcro-COMputer ALC Auto Level Control MIN MINimum AM Amplitude Modulation MIX MIXing AMP AMPlifier MPX Multi pleX ANT ANTenna MW. Medium Wave (frequency) BATT BATTery NC No Connection BLK BLocK NFB Negative Feed Back BUFF BUFFer OSC OSCillator COMP COMPalator PCB Printed Circuit Board DET DETect (DETctor) PLL Phase Locked Loop Q.D Quadrature Detector FLD ( ( FM Frequency Modulation Rch Right channel FREQ FREQuency REF REFerence GND GrouND REG REGulator H High RF Radio Frequency HPF High Pass Filter SEG SEGment IF Intermediate Frequency SELE SELEctor IHF Institut of High Fidelity SENS SENSitivity IND INDicator SIG SIGnal I/O In/Out SIN Signal to Noise Ratio JW Jumper Wire SSG Standard Signal Generator L Low STD STanDard LCD Liquid Crystal Display SW SWitch: Short Wave (frequency) Lch Left channel THD Total Harmonic Distortion LED Light Emiting Diode TP Test Point LPF Low Pass Filter VCO Voltage Controlled Oscillator LW Long Wave (Frequency) VR Variable Resistor X'TAL Crystal 19 TMP47C400N-6246 A3058 AKAI .. MODELAT-93/L SCHEMATIC DIAGRAM AND PC BOARDS TC4066BPCQUAD BILATERAL SWITCH) :4069UBCHEX INVERTER) z '"~ ~ ::> ::> 0 0 !!: ~ u u !!: !!: u u I- I- I- I- 0 0 0 0 ~ ~ ~ ~ ::> ::> ::> ::> .... .... .... .... GND C IN IMPEDANCE BETWEEN IN/OUT - OUT/IN ~7413APCPLL ~ 5 XI0 0.5 to L 9 MORE THAN 10 FM STEREO MULTIPLEXER) . ~ '", N IL l0 IL ...J n. ...J n. ...J n. 0 N U IL > n. ...J I- 5 I- 9 a: 0 z '" u ICl) 0 Wo ~~ Cl) u u I ~ I- I 0 0:: U 2 H ::> :J U I I- ::> 0 ...J u u > OHMS OHMS Pin No. Name I/O Active 1 SEP 1 0 L Output of blend for 2 SEP 2 0 L Output of blend for 3 MONO 0 L Output of blend for 4 NARROW/WIDE 0 L FM-Band Switch Control. (H: NARROW, L: WIDE) 5 HICUT 0 H FM-HI-CUT Control. (H: ON, L: OFF) 6 MUTE 0 L MUTE Control. (L: MUTE) 7 ANT. A/B 0 L FM ANT. A and B Switch Control. (L: ANT. A, H: ANT. B) 8 STRQ 0 L REC CAL. TONE OSC Control. (H: CAL TONE OSC "ON") 9 DATA 0 L 10 CK 0 L 11 WR 0 L 12 CE 0 L 13 A 0 H PRESET CH. Indicator (LED) ON/OFF Control A 14 B 0 H PRESET CH. Indicator (LED) ON/OFF Control B 15 C 0 H PRESET CH. Indicator (LED) ON/OFF Control C 16 D 0 H PRESET CH. Indicator (LED) ON/OFF Control D 17 10/20 0 L PRESET CH. Select Control (L: CHI to 10, H: CHIO to 20) 18 BAND 0 H Input of Destination Select. 19 DIGIT 5 0 L KEY STROBE 5 Output 20 DIGIT 4 0 L KEY STROBE 4 Output 21 Vss 22 DIGIT 3 0 L KEY STROBE 3 Output 23 DIGIT 2 0 L KEY STROBE 2 Output 24 DIGITI 0 L KEY STROBE 1 Output 25 DIGIT 0 0 L KEY STROBE 0 Output 26 KEY 0 I KEY RETURN Input 27 KEY 1 I KEY RETURN input 28 KEY 2 I KEY RETURN Input I KEY RETURN Input Description < SEP 1 > < SEP 2 > < MONO> J Sodal D,t, Out Put fo< PLL ""cl FLD Dd". GND 29 KEY 3 30 TEST 31 XIN I 32 X OUT 0 33 RST I L Reset 34 HOLD I L Voo ON/OFF Detection Input, for Back Up mode Control 35 STOUT I L Auto Scan Stop Control, When Station is Received. 36 NOISE I L Noise Condition Input. (When received Noise: L) 37 STEREO Stereo Mode Input. (When stereo mode: L) 38 TUNED Tuned Mode Input. (When tuned mode: L) 39 SI GND Signal Level Data Input - ]II[ (STEREO SW ITCH I NG ) STEREO SEPARATION T TR611010 FeT POST AMP -1.5V ( PLl SYNTHES IZER ) I C6 AM LAI245 I C7 TR71 1o 80 LM7000N FL8 ]II[ LOOP FL OISPLAY '----~)) L CH. NOISE OETECTI NG AMP STRENGTH IN01CATOR TR8 10 I1 r-R( 'f 011 'JJ 015 PRESET STATION IN01CATORS AT-93/L BLOCK DIAGRAM 871050A 2 TO TUNER pca TO TUNER J I peB J2 TO TUNER PCB JI3 FRONT END PGS A3058G5050 LI .2.4.5 --- FM SENS (LOW) VCI.3.4---- FM SENS (HIGH) L 7 - - - - - - FM OSC BUFFER ( LOW) VC6------ FM OSC BUFFER ( HIGH) L 6 - - - - - - FM OSC (LOW) VC5-- - - - FM OSC (HIGH) Gm1 D 3SKI07(E,F) ~ D5 G 2SK241( Y) ffi=OI.3t06 ;.;plillii:IiiiiiIlii:IiiiiiI_ ID U Q. 0: UJ Z ::> .... '"--.. ID ~ 0: UJ Z ....::> ID U Q. ...J o 0: .... l5 u FLD PGS A3058S5040 3 ",. TO TUNER PCB J6 TO TUNER PCB J7 ..,.I-~~ TO FLD PCB W409 ~ = PNP TRANSISTOR ~ =NPN TRANSISTOR ~=FEF 5 G 0 ~ SG D TR 246 (8 L ) 2SC3330(5,T, U) ~ BCE 2S81015 (y, GR) 2SDI406(Y, GR) POWER SW PGB A3058B503B TO TUNER PCB J6 TO TUNER PCB J7 TO FLD PC B W409 E::!:D = PNP TRANSI STOR ~ = NPN TRANSISTOR ~=FEF 5 G 0 ~ SG D TR246(8 L) 2SC3330( S,T, U) POWER PGB A3058B503A [ill MODEL ~ BCE 2S81015 (y, GR) 25DI406(Y, GR) WARNING:6INDICATES SAFETY CRITICAL COMPONENTS FOR CONTINUED SAFETY, REPLACE SAFETY CRITICAL COMPONENTS ONLY WITH MANUFACTURER'S RECOMMENDEn PARTS POWER SW PGB A3058B503B 4 AVERTISSEMENT: .fulL INDIQUE LES COMPOSjlNTS CPITIQUES DE SECURITE. POUR·MAINTENIR LE DEGRE DE SECURITE DE L'APPAREIL, NE REMPLACER QUE DES PIECES RECOMMANDEES PAR LE FABRICANT AT-93L -- -J' '/ FM DSC IOPID) C2. . 0 m . &G FM SENS.(LOW) 2 IV) ~ TR2 TR' ~ 3SKI07 LL- ~ .0 u. ~ L2(i ~ ~ ~ i:?;; ~ ~ ,------- ~i U > I:> ~ P.-~ ~ .,..1 - r~~l· - - ~ 10 ~ 10 ~ ~ I;;;: I ~ ~::; ~ U~ I:> R7 56 ~ r -, ~ 0 2 ::; U > ~ '-------' ;--- 1 . ~- zr :::'" !J-~" 0 r ~r: ;rr: SI I .+- I N 1 . 0 1 I I I 1 1 I 1 I , I --l L I 0 0 ~ rJ o 1 ~ ~ = ~ ;; N ::; ~ ~ <i -0 C2 ~. W ~o C5 C6 t - lOOP ~ .../ /. ~ 11 t1 \ 23 22 20 '9 ~ ~ ~ ~ ~F ~~ > F" ~ u OSC BUfFER (HIGH I , I m U I ~ ,; ~o ~ ;~ - 0 0 ~ TR5 >--- N ~ ~ ;;; ~ - ~~l rJ'rr N N o· NO ~o ro- 0 0 - 0 :g ~ t;; -0 >- W ,- 0 ° Gfr~ ~ ~ .-~: ~~ ~ ~ Eg.; ~ L- ; - - 6 • ;; N_ uO 0 J2 -. . I ,..J 23 SW, , 0 0 N :g ~ Iu~ ..; 0 0 ~o -~ w N U ~ ~ N j 11 j t:i AGC TR5 2SKI61 ('f I . ~ ~!~ ~ ;;; ~.; ~ ( 28 ~ SW6 frY' ~ --., --., IMEMO --., --., SCAN I 22 SW2 [2Zill 20 SW 3 ~if' ~rY' 9 J' 2. ~: J A GC OSC OUT r----- ~ DSC OUl +B '------- GND ~ 3 CV 2 IF =~ -~ GND ,-~ , r- END PCS A3058C5050 I' 2 ~ :; > -' W ,----- - . ~ ~o ~ U I I I I ;:; 0 mo w 0 31 L7 FM QSC(HIGH) ~ i N 0.001 (K I 1 FRONT ~ ~ 0 0 ~o lOOP N L. GND ~ u2 0 0 - - 1 L I :l U I . . ;- I I 2 t- 1 0 0 0 ANT GND . _Lt';;~ I W~I L6 BUFFER ( LOW) C~ ~ ; ~ ~ ~~ 1 ~ °>1 I rt-I L ____ ---l ~ ~ 00 22' on~r I I N ii:~ C3 ~ I ;;;HJ1 e+ - >--- ~ FM SENS. ( HIGH) ~ i'" t~ (i S SP(C) gr FM OSC ( LOW) ~ ~ il~li I .0 I ID . "'"a.. Uo >- ..J c. I .J L FM SENS. { LOW} L. C2~1 12P -j/ r_...!t_-, 3S~E.F) FM SENS.flOW I lE ,Fl FM SENS. {LOW) C'9 ANT ---j 21 swr Lif' ~ SWB ~rY' /if' 1 SWII YrY' ~if' ~SWIO Jif' ('0 (9 MEMO / SWI2 /rY' ~ 26 SW9 '9 SW. /rY' /if' ~ mill SW4 1" 15V 0 0 - ~ ~ ~ ~ 0 N ~ ~ 0 . ~ ~ W W ~ ~ ~ 0 ~ 2 ~ 0 ~ ~ ~ ~ ~ 0 ~ 0 0 N '" ~ ;;;~ ~ ;;; ~ . 0 '" IC I TC9175C ,--t-t-t-t-t--t--t--t--+--+.....++-t--,r-+--+'''-3,'''6-'{V~:FM.DP.MHZ '" 0,9V~ e ~ 20 AM·MW Ir--t--t--t--t--t--t--tr--+-+--++-t-r-+-t-°~'~IV~~LW 1~-4--t--t--t--t--t~~--~--++-4-r-~-+~0,~9VO{,~ kHZ ~-+-1-1-1-1--t--t---1----r-r-+-~~-+'~3~'B~V~03 f219 e2 dz 13.9v 27 b3 C2 13,9V 0 m ~ . ~ 2 0 w. 0 N N ~ ~ 0 0 Q 0 W W N 0 ~ ~ ~ N ~ 0 0 N N N ~ ~ ~ ~ 0 ~ ro 0 0 ~ m N ~ ~ ~ ~ 0 ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ N N ~ 0 W ~ ~ ~ ~ ~ ~ ~ 14 0V . ~!4.0V ~3.9V ~4'OV 13.9V 29 C3 ~-+-1-+-1-1-1--t---1----+-r-+----"ce3",'B-'{V29 13,9V d:3 0 e3 13.9V 31 f3 13,9V 32 93 1r----t--t--t--t---------+-+----0~.~2'-(v33b4·C4 I~--<i--t--t--t---------+------""-'''',B''''V34 FM AUTO V------+-t--t------___+ ____--'0"-.=-2V'{~ MUTING lo.aY' 36 TUNED 1..-___-+__________~------'0"-.2=-V'{37 STEREO .-______+ ____--.:.:'4"',"'SV'{39 +15V _ _ _ _ _-"0-,,,' ' V-;;39 DATA O,IV 1r---~~40 eLK 1,-_ _ _-'°"-,""V-I,41 5.4V WR VOO FM AUTO MUTING ! TUNED! STEREO SCAN B CiillIQJ M !MANUI WAR 1Nl 9-BT 24ZK AVEI FLD PCS A3058S5040 , i -- I I JI I ANT 1 '1 GNO GNO 2 '1 AGC 'GC ;---12 FM OSC BUFFER (LOW) L7 JII ANT IJ I· 1 J~~ ~ iI; ~ ~ u I------' 8 21 7 20 la' '27 >.' ~!20 0 20 25 DO J! 5 24 5'\l24 05 2' 04 24~ 4 4<1 2 • • 22 1r,'122 2 I. I 20 r@ 0 I I (HIGH) 0 0 I r.<! ,;p) I j2SKI61 TR 5 (y) 01 ~ 02 20 sW~rr ANT A I 1BLENE 1 AM LOOP N N if I sWL- TM2 ;; 0 :li J2 ~ - r-p-- I ~~T • I 0 J2 OUT OSC 5 TB 4 GNO • cv 2 IF I GNO I ,--,--,--,--t-- r-- OSC OUT 5 GNO 4 cv • IF 2 GNO I 6~ mu AIR yif SW9 L BAND CUT sw. ~J3 6 +B J [1RJ ~ 0 0 ~g~ 0 16 02 B '0 ~_:.J' >-- 19~ S W : Er r MODE I I 0 I I s w : rr r Lr.J I MUTING ~ I I 0 I ANT I I 01 r@ !- 2' ~ 22i~~ 201~ d. 19 '0 I I' GND 10 I I I A305~J15020 W2J ITMI I I I ;---- 28 05448 I I 2. • o I to 6 M OSC BUfFER ~ 10 :; l r CONTROL PCS L,! Yrr 2- 0 I ,..vD"" SW8 L ~ AUTO SW2 Yrr /0 I ~ 0 dri SW~if SW2 I 9k SOps I DOWN I sW:£c/ DO ACIIO 10 240V SO/SOH z I o Q I IOk 75ps I :1r" o 10 I <! ro .&. T901 sw I ~~ IRESET I 10 o I<) <! ro U a.. 0:: W W3Q I Z ::> I- .1; .. B(POWER FM SUPPLY) SIGNAL LINE LI NE WARNING:&INDICATES SAFETY CRITICAL COMPONENTS FOR CONTINUED SAFETY, REPLACE SAFETY CRITICAL COMPONENTS ONLY WITH MANUFACTURER'S RECOMMENDED PARTS AVERT1SSEMENT: 61llNDIQUE LES CQMPOS!,NTS C,RITIQUES DE SECURJTE. POUR MAINTENIR LE DEGRE DE SECURITE DE L'APPAREll, NE REM PLACER QUE DES PIECES RECOMMANDEES PAR LE FABRICANT AC!2QV 60Hz [[J AC220V 50Hz .1; [[J 0,~ @] T200mA 2S0V F 2 T200mA 250V F • IA 125V T6!OmA 250V F 4 lA 125v T630mA 250V F 5 630,"A 125V TSOOmA 2S0V F 0 6!OmA 125V T500mA 250V BOOm A AC240V 50Hz 0,0,~ F I F 1 ~[] 6 FL .1; ~ AC220V 50Hz 250V NOTE UNLESS OTHERWISE SPECIFIED ALL RESISTORS IN OHMS 1/4W(J) ALL CAPACITORS IN ~F 50WVIJ) POWER TRANSFORMER IS DIFFERENT ACCORDING TO AREA AT-93/L CONNECTION DIAGRAM NO.2-1 871019A • AT-93/L FM CENTER VOLTAGE ICI pPCI163HA J IC 2 pPCI163HA ~~4~3tfu2 ,~ J3 T 1 M"': 0 J STEREO DISTORTION ,"\0-<' )I,X'\.!\.3mf'" 'I' :> ':' ;:(.;:,''' :> :> o CI5 I 011 0 vi 013 0 IQ ';;.....: IWIDE) TI '" r-- 0_ ",ISS238.FL2}~~~38 FLlj T, r-----, -, I H"",,,"~~"'\'ftIt-¥ RIO ~ N N 330 ~ T o ::': ~ 1 ~~ TR I 2SK241 , Yl u N > o o L _ _ _ _ ---1 ~ '~ ci: u N _N U 0_ o 04 to 10 ~ N U 0 RI9 155238 100 SIGNAL 016 C33 155238 0.0 I .. TR7 INDICATOR LEVEL I NARROW) r---------.:-,~5:-V-+---t------------++-----t-----------t--~ I J 2 <Dr::~q~~~+++ GND I ~~ 2 ~~ IF I 10.8V . T .. L~Y .. CV 1 6W 2 1 ' ~~ 1-"' GNO +8 _ DSC 6 r-----' u.L--='-t..;-' !.!J/ \ TR22 2SC2910 :!:~\~' (5,T)14.0V 04V I i RS? 2S~3~~3 t 152, T ,U I 13.2VD26MC93ICDU) 0:::::, TR29 { SW ~ RIIS W g m = Q: ~ RI26 330 1/6W 12k 15V ~" ~ ';;3';'., ~ ~R,~: 0 ~J~r; O.6~ ~~v ~o TRl2 > OV ,... 0 'P I I ~R8: 56~ '--t---t----t___t_--t--' ov (52, T, U) ,., ovllFk P-~---4R9:-:3w.,,'6:-,-t{'b(o 2SC3383 R81 22> 13.2V (\J IOk : ( T, G ,R 1 N N R84 ~~~ 2SK246 2SC3330(S,T,Ul TR31 25C3330 IOOP(JI (S, T,Ui 13 311 t..:..::.:.'''-'--------------+-----l---H+++-H++1t--I----, I 1 I I I TRI7 > OV T:~a ,---------, L _ _ _ ---lro~¥. ~ 'I 13.5V ~ ~~~.'SC3383 TRI. 2SA'39r:l,~.;y~l.._:o~~I3~~0,T, UI DV RSS4.7Ir I/SW 11.4V O~~~]~=j~~~t::"-~j 0 2 ~J,~, d. I""IO'7~/R{6~~§: ~~r TR8 TR 11 2SK161(Y I I 1 R94 22011' I --'--'1 I ~ I ~I cil ,5V ~I ~~ L-~-+---+-----------1 o@Clo<:>-il-Hul I I I I I DATA I eLK 1 ~ I - : --c-- ---- r --- L __________I AT-93 MODEL ONLY ~~;~~;~~:;;;z~~13 ~ ~ ~ t-:.. ClO(.!)(!)I&JWILIWW-°tllO I A ,0 "-\2~ O.9V I::'~ h ~TR29 I °0 ,- I RIOI! t-tL-_-_.._-_...._' ~~~~~~~~I~kJ AT-93L MODEL ICI3 INDICATOR LSI403 r ~2 o ~~ ~~~~~~~~~ I 2 :3 4 5 ;;; ~ ;; ~ E; rXa 6 :> ;; 9 ;;' (rID :::: SIGNAL SIGNAL INDICATOR INDICATOR LEVEL o 066 HZ3-B3 R319 IOk :> >'" lit: V :It: QV ,!::..}5. ~3t--f~ :It: V V V .OV 2.2V 5.0V ,5 - - - - -, 183 o 4,7k x 4 ~- C'i~ R363 I/BW I i.QPk· ~ ~ ~~OV~ lOOk ,9V I L _________ J ______~t--LE-V-EL~~!'i~~O ~ ~ 0 Q.9V :f f f f : SIGNAL ONLY - 0 O.9V N TR93 ~ I 25C3330 3. TR94 f': 25C3330 IS:'U_~'> ~ 'S~T'UI I<'l <. . ; TRee 25C3330 IS, Tt U I c.J 0 - ~~gg88~::~ ~~~~~~~~r-~ 3.5V m m~ m~ O~ TR87 2SC3330IS,T,U) o S2 062 063 05448 SI I I :? 3 4 ~ TUNER peB A3058A50~ JIO ~ ~ ~_I~~_>J-----J':':6"~I; ~ t=+- 23 . . 70'0987 0+ • 6 71 iu lIT 54 321 - ~ ~ ; : : ... 15V ~JI:::'-----~JI-;3 I 2 3 4 ~ 6 7 8 9 10 - - - - - - ~~~it L..L-'--'---'--'----'-L--L-->-.l TO FLD PCS W404 TO FLD PCS W407 TO POWER PCS W303 TO FLD peB W405, W406 TO FLD PC B W408 TO FLD pes W20l, W4/0 ---- TR40, 43 2SC3383!S I C 1047 0.1/50 TR47 25C291015 I R234 10k TR70 25AI208 CI61 CI62 0.01/125 (J I 0.00681 125 (J I 0,0121125 0.012/125 (Jl (Jl 0.0082/ 125( J 1_ TRS 2SK246 IT. G ,R I 024 05448 "' _ _ _ _~================~=t==ttt~::i-. U <L ; <" o o >- FM SIGNAL LINE AM SIGNAL LINE NOTE UNLESS OTHERWISE SPECIFIED ALL RESISTORS IN OHMS 1/4W (J) ALL CAPACITORS IN J.lF 50 WV(JI SWI IOk __ 75)15 9k 50).15 SW 2 TO POWER PCB W302 AT-93/L TUNER SCHEMATIC DIAGRAM NO.2-2 871 020A• Adjustment Parts and name VR1,2,L1 tal'3 .... 5 ignal Indicator Level VR3 ......... Noise Detecting Level VR4 ......... Phase Of 19 kHz VRS .......•. 19 kHz Pilot Cancel VR6, 7 .... '~ .. Channel Separa tion (WIDE) VR8 ......... Channel Separation (NARROW) VR9(RCH) .... DC Ballance VR10(LCH) ... DC Ballance ~;:; PNP TRANSISTOR ~;; NPN TRANSISTOR In E C 6 250363 25C930 25(3330 ~ 5G D 25K246 25K373 25AI392151 25C2910151 2 5C2878lA ,81 25AI206151 ~ DSG 25KI611YI VC1 ......... FM IF VC3 ......... MW SENS (HIGH) VC4 ......... LW SENS (HIGH) T1 .. ,. . . . . . . . Stereo Distortion (WIDE) T2 . . . . . . . . . . Center Of Tuning Indication T3 .......... Distortion Factor T4 • ••••••••• FM Center Voltage TS .......... MW SENS (LOW) T6 • ••••••••. LW SENS (LOW) T7 .......... MW OSC T8 • ••••••••. LW OSC T9 ••••••••. • AF IF LOCATION OF COMPONENTS IC,S IC 1- -- ---B1 IC 2----B2 IC 3- .. -- -- - ---A2 IC4--------C2 IC S-----------C3 IC 6-----------A4 IC 7--- .. -------01 IC 8-----------FS IC 9-----------F6 IC10--- - -- ---E6 IC11-----------DS IC12- --- --- --AS IC13-------- ---F2 IC1S-----------G2 IC16---G4 TERMINALS J 1------- -- -A1 J 2- ---------01 J 4-----------F6 J11- ---------- -GS J12 .. ----- ----G3 J13------- ----G4 J10 G2 TRANSISTOHS TR1 --B1 TR2 to 4---Cl TRS,6--C3 TR7---- ---02 TR8,31 ,32---- --03 TR9,10----E3 TR11,18 -E2 TR12,13,14 - ---01 TR 1 S , 4 1 - - - - - - -C 4 TR16,17----B3 TR19 to 22 ----F2 TR26-- - - - - - -- --A3 TR27,28 ---B3 TR30------B4 TR33,34--- ---El TR37,38,104----E4 TR39-------F4 TR42,43-- ------CS TR44,4S,S8,S9--DS TR47,48---- ---04 TR49,SO--------ES TRS1,S3,S6,S7--F6 TRS2,S4--------FS TRSS,9S,96,99 100,101------GS TR60-----------D6 TR61 ,63,64,66 67-----------CS TR6S,68,69,70--BS TR71,72,74-----C6 TR73,7S,76 77,78--------B6 TR79,80--------A6 TR81,87--------F1 TR90,91,92 98,102-------G6 7 Adjustment Parts and name VR1, 2, 11 to13 .... Signal Indicator Level VR3 ......... Noise Detecting Level VR4 ......... Phase Of 19kHz VRS ......... 19 kHz pilot Cancel VR6,7 •...... Channel Separation(WIDE) VR8 .......•. Channel Separation (NARROW) VR9(RCH) ..•. DC Ballance VR10(LCH) ... DC Ballance VCl. ........ FM IF VC3 ......... MW SENS (HIGH) VC4 ......... LW SENS (HIGH) Tl .......... Stereo Distortion(WIDE) T2 .......... Center Of Tuning Indication T3 .......... Distortion Factor T4 .......... FM Center Voltage TS .........• MW SENS (LOW) T6 ..•....... LW SENS (LOW) T7 ....... '" MW OSC T8 .••....•.. LW OSC T9 .......•.. AF IF TO FRONT END pea J2 TO FRONT END pea J I @GNO @GNO LOCATION OF COMPONENTS lC,S IC 1----- - --Bl IC 2-----B2 IC 3- --- -- - --A2 IC 4-C2 IC 5-------- ----C3 IC 6- A4 IC 7----- ----- -Dl IC 8----FS IC 9- --F6 IC10 - -E6 ICll ---DS IC12------AS IC13 --F2 - -- -G2 IC1S ~ = PNP TRANSISTOR ~ : NPN TRANSISTOR rC16 ---G4 TERM] NALS AI J 1DI J 2- -- F6 J 4------,111-GS -- - --G3 JI2 --- -G4 J13 Jl0 G2 m E C 8 2S0383 2 SC930 TRANS 151'OHS TRI - - --BI TR2 to 4-Cl TRS,6-- --C3 TR7----------- -D2 TR8,31,32---D3 - -- -E3 TR9, 10TR11,18 - -- --E2 TR12, 13, 14 ---Dl TRIS,41-C4 TR16, 17---B3 TR19 to 22 -F2 TR26--A3 TR27,28- -B3 TR30-B4 TR33,34 -El TR37,38,104--- -E4 TR39---F4 TR42,43---CS TR44,4S,S8,S9--DS TR47,48----- --D4 TR49,SO- ------ES TRS1,S3,S6,S7--F6 TRS2,S4--------FS TRSS,9S,96,99 100,101 -------GS TR60-------- --D6 TR61,63,64,66 67--------- --CS TR6S,68,69,70--BS TR71,72,74-----C6 TR73,7S,76 77,78--------B6 TR79,80--------A6 TR81 ,87------ --Fl TR90,91,92 98,102 G6 2SC3330 ~ SG D 2SK246 2SK373 2SAI3921S1 2SC2910lS1 2SC28781A,81 2 SAI208 ISI m DS G 2SKI611YI TUNER PGS 8 [lffiJ A3058A5010