Download Chassis LA2000 - Super TV Servis M+S
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Service Manual TV Chassis LA2000 20 LCD 51-7401 TOP GBC9500 20 LCD 51-7402 TOP GBD5200 H C U A R Y B L E N G O N E E S N U R E AL T IN RN R TE Ü F IN R R U O N F Zusätzlich erforderliche Unterlagen für den Komplettservice Additionally required Service Documents for the Complete Service Service Manual Sicherheit Safety Materialnr./Part No. 720108000001 Materialnummer / Part Number 720100519000 Änderungen vorbehalten / Subject to alteration H-S41 • 0605 http://www.grundig.com GRUNDIG Service Chassis LA2000 Es gelten die Vorschriften und Sicherheitshinweise gemäß dem Service Manual "Sicherheit", Materialnummer 720108000001, sowie zusätzlich die eventuell abweichenden, landesspezifischen Vorschriften! The regulations and safety instructions shall be valid as provided by the "Safety" Service Manual, part number 720108000001, as well as the respective national deviations. Inhaltsverzeichnis Table of Contents Seite Allgemeiner Teil ................................... 1-2…1-8 Page General Section .................................... 1-2…1-8 Messgeräte .................................................................................. Allgemeine Hinweise .................................................................... Technische Daten ........................................................................ Bedienhinweise ............................................................................ Test Equipment ............................................................................ General Notes .............................................................................. Technical Data ............................................................................. Operating Hints ............................................................................ 1-2 1-2 1-3 1-5 1-2 1-2 1-3 1-7 Platinenabbildungen und Schaltpläne ................................... 2-1…2-6 Layout of the PCBs and Circuit Diagrams ........................... 2-1…2-6 Blockschaltplan ............................................................................ Hauptplatte ................................................................................... – Netzteil ..................................................................................... – Prozessor ................................................................................. – IN/OUT ..................................................................................... – Scaler ....................................................................................... – Teletext .................................................................................... – Audio ........................................................................................ Bedieneinheit, Kopfhöhrerplatte ................................................... Block Circuit Diagram .................................................................. Main Board ................................................................................... – Power Supply ........................................................................... – Processor ................................................................................. – IN/OUT ..................................................................................... – Scaler ....................................................................................... – Teletext .................................................................................... – Audio ........................................................................................ Keybaord, Headphone Board ...................................................... 2-1 2-1 2-3 2-3 2-4 2-5 2-5 2-6 2-6 2-1 2-1 2-3 2-3 2-4 2-5 2-5 2-6 2-6 Ersatzteillisten ...................................... 3-1…3-2 Spare Parts Lists .................................. 3-1…3-2 Allgemeiner Teil General Section Allgemeine Hinweise General Notes Vor dem Öffnen des Gehäuses den Netzstecker ziehen! Before opening the cabinet disconnect the mains plug! Achtung: ESD-Vorschriften beachten Attention: Observe the ESD safety regulations Leitungsverlegung Bevor Sie die Leitungen und insbesondere die Masseleitungen lösen, muss die Leitungsverlegung zu den einzelnen Baugruppen beachtet werden. Nach erfolgter Reparatur ist es notwendig, die Leitungsführung wieder in den werkseitigen Zustand zu versetzen um evtl. spätere Ausfälle oder Störungen zu vermeiden. Wiring Before disconnecting any leads and especially the earth connecting leads observe the way they are routed to the individual assemblies. On completion of the repairs the leads must be laid out as originally fitted at the factory to avoid later failures or disturbances. Carrying out Measurements When making measurements on semi-conductors with an oscilloscope, ensure that the test probe is set to 10:1 dividing factor. If the previous measurement was made on AC input, please note that the coupling capacitor in the oscilloscope will be charged. Discharge via the item being checked can damage the components. Durchführen von Messungen Bei Messungen mit dem Oszilloskop an Halbleitern sollten Sie nur Tastköpfe mit 10:1 - Teiler verwenden. Außerdem ist zu beachten, dass nach vorheriger Messung mit AC-Kopplung der Koppelkondensator des Oszilloskops aufgeladen sein kann. Durch die Entladung über das Messobjekt können Bauteile beschädigt werden. Measured Values and Oscillograms The measured values given in the circuit diagrams and oscillograms are approximates! Messwerte und Oszillogramme Bei den in den Schaltplänen und Oszillogrammen angegebenen Messwerten handelt es sich um Näherungswerte! 1-2 GRUNDIG Service Chassis LA2000 Technische Daten / Technical Data Order No. EAN Approbations IM-Languages Destination Remote control Color Display Panel 16:9 wide-screen format Panel driving technology Response time Brightness Contrast ratio Viewing angle approx. Physical display resolution max. pixel PICTURE Digital Reference-Plus-Technology (Motion Adaption) Line Flicker Reduction Motion Adaptive Deinterlacing Digital Color Transition Improv. (DCTI) Digital Combfilter Digital Luminance Transition Improv. (DLTI) Picture Noise Reduction (DNR) CCS (Clear Color Screen) Preset picture modes Aspect ratios (Format switching) PIP Multifold Tuner scan (Mosaic Picture) PAT: Split screen (PICTURE + TEXT) PAP: Double Window (PICTURE + PICTURE) P2AT: Double window + TXT POP: PICTURE on PICTURE Picture freezing Zoom with point function Auto 16:9 selection via Scart Sharpness control Blue Background CHASSIS TV-Chassis Progressive Tuner Keyboard 20 LCD 51-7401 TOP G.BC 95-00 40 13833-59873 2 20 LCD 51-7402 TOP G.BD 52-00 40 13833-60061 9 CE,C-TICK,ME67 D,GB,F,I,NL,DK,N,S,E D,A,CH,F,I,E,NL,DK,FIN,N,S RC 200 silver silver/black 20" / 51 cm Clear Color Screen Active Matrix TFT-LC-Display \ MVA ca. 16ms ca. 600cd/m2 ca. 600:1 120° vertical / 160° horizontal VGA 640 x 480 \ \ \ [ [ \ [ [ \ \ \ \ \ \ \ \ \ \ \ [ \ LA2000 [ PLL frequency synthesizer tuning 7 keys: stand-by, menu, ± for programme, ± for volume, AV-programme (lateral) 1-3 GRUNDIG Service Chassis LA2000 20 LCD 51-7401 TOP ELECTRONIC Stand by indicator EPG (Electronic Programme Guide) Easy Dialog Megalogic Manual & autom. labeling of prog. Programmable off timer Programmable on timer Intelligent channel search (Zapping funct.) Programme Edit Intelligent Programme Switch Auto switch off Programme memory TV/AV (opt.) Teletext/Fasttext/Toptext Teletext options Childlock Youth free recognition Menu languages OSD SWAP (Recall function) Service mode Hotel mode TUNING Autom. Tuning System with country selection Frequency Based Auto Search Automatic Micro-search Automatic Programming Manual fine tuning Direct channel selection Direct frequency selection PAL/SECAM/BG/DK/I/L’/L NTSC-Playback via Scart (3,58/4,43) PAL M/N, NTSC M Cable TV / Hyperband (S1-S41) AUDIO Mono/Stereo/Nicam AV Stereo Loudspeaker Virtual Dolby Matched Sound Delay (Lip synchronous) Subwoofer Dynamic Bass DSP (Digital Sound Processor) Balance Adjustment AVL (Audio Volume Level) PIP listening via Headphone.jack Equalizer Space Sound Effect Audio mode Audio amplifier without extern LS POWER SUPPLY / CABINET Power voltage Range of regulation Power switch Integrated supply Plug-in AC adaptor Power consumption Cabinet (WxHxD) Weight REAR PANEL CONNECTIONS Euro-AV-Socket AV1 Euro-AV Socket AV2 Euro-AV Socket AV3 S-Video Camera-AV Wireless YUV input / progressive PC-input (Sub D 15) PC-Audio in DVI HDCP HDMI Headphones REAR PANEL CONNECTIONS Audio out Antenna for terrestrial reception DC-connector Power supply plug SUPPLIED ACCESSORIES Remote control (incl. battery) Power cord Cables Instruction manual Circuit diagram Wall fixture integrated 20 LCD 51-7402 TOP [ \ \ \ [ [ [ \ [ \ \ 99 / 6 [/[/[ 10 pages \ \ 6 languages: D, GB, F, I, E, NL \ [ \ [, full automatic sorting \ \ \ [ \ \ [ [ \ [ [/[/[ [ 2 wide band at the front side \ \ \ \ \ [ \ \ [, 5 Band \ Yes, user, music, cinema, speech 2 x 5 / 3.5W (music/nominal) 230V 100-240V, 50/60Hz, in accordance to IEC 65 \ Yes \ 50W, stand-by < 5W 58,5 x 44 x 7cm (19cm with stand) ca. 10kg CVBS in-/output, Audio in/output , RGB input \ \ Yes, (Hosiden) Yes, 3x Cinch socket in \ Yes, via Scart Yes, (Multisync SVGA) Yes, 3,5mm jack Stereo \ \ \ \ \ 1 x Coaxial-socket for TV-tuner-in, according to DIN 45325 \ Power cord plug-in type [ [ \ [ \ \ 1-4 Dieses Kapitel enthält Auszüge aus der Bedienungsanleitung. Weitergehende Informationen entnehmen Sie bitte der gerätespezifischen Bedienungsanleitung, deren Materialnummer Sie in der entsprechenden Ersatzteilliste finden. GRUNDIG Service Bedienhinweise 1-5 Chassis LA2000 GRUNDIG Service 1-6 Chassis LA2000 This chapter contains excerpts from the operating instructions. For further particulars please refer to the appropriate user instructions the part number of which is indicated in the relevant spare parts list. GRUNDIG Service Operating Hints 1-7 Chassis LA2000 GRUNDIG Service 1-8 Chassis LA2000 GRUNDIG Service Chassis LA2000 Platinenabbildungen und Schaltpläne / Layout of PCBs and Circuit Diagrams Blockschaltplan / Block Circuit Diagram Analog RGB RGB 3 U201 AD9883A VGAHS/VS Tuner CVBS 2 U202 74VHC14 RGB 24 FPR/G/B 2 CVBS CVBS2 FPHS FPDE TUNER_ON Composite (CVBS) Full SCART CVBS IO 24 FPVS VGAHS/VS CVBS SCLK SDAT CVBS1 FPCLK U101 TW8801 Scaler TFT LCD SC_CVBS TELE_RGB Full SCART RGB/FB SC_RGB/FB 4 S-CHROMA / S-LUMA 2 3 U302 SAA5264 Teletext CVBS0 S-Video Backlight PPWR SCALER_RESET PC Audio IN Full SCART Audio IN/OUT Audio SL/SR PC_SL/PC_SR U402 EEPROM 2 SC_SL/SC_SR 2 AUDIO_RESET SC_SLO/SC_SRO 2 AUDIO_ON 2 U601 STV8216 Keyboard U401 MTV230 Processor U403 IR-Receiver +12V VCC5T 2 Tuner SIF Tuner Mono 7 SCLK SDAT U602 Audio Amp. U805 +12V HPL/R 2 VCC8 VCC5 +5V AMP_OFF CN8 Headphone U603 U807 U806 +8V VCC3 Ansicht von der Bestückungsseite / View of Component Side 2-1 U802 U801 +5V POWER SUPPLY BOARD Hauptplatte / Main Board AVCC3 VCC3AD Inverter GRUNDIG Service Hauptplatte / Main Board Vergrößerte Ansicht von der Bestückungsseite / Larged view of Component Side 2-2 Chassis LA2000 GRUNDIG Service Chassis LA2000 TO POWER SUPPLY BOARD Hauptplatte – Netzteil / Main Board – Power Supply P1.0-7 P3.0-2 P3.4-5 P4.0-7 P5.0-7 P0.0-7 P0.0-7 P2.0-3 P2.0-3 RD WR ALE 8051 INT1 CORE RST X1 X2 RD WR ALE INT1 XFR AD0-3 ADC OSD CONTROL OSDHS OSDVS XIN ROUT GOUT BOUT FBKG INT H/VSYNC CONTROL HSYNC VSYNC HBLANK VBLANK TO KEYBOARD Hauptplatte – Prozessor / Main Board – Processor PWM DAC DA0-3 DDC & I I C I NTERFACE MTV230M ISCL ISDA HSCL HSDA 15 3 2 4 1 4 3 power on (trigger: +12V) 1 power on (trigger: +12V) 2 3 4 2-3 % GRUNDIG Service Chassis LA2000 Hauptplatte / Main Board – IN/OUT TO TUNER 3 4 3 4 5 6 6 5 S1 A DA S2 A S1 B DB S2 B RAIN CLAMP A/D GAIN CLAMP A/D BAIN CLAMP A/D HSYNC COAST S1 C DC S2C CLAMP 8 8 8 SCL DECODER/DRIVERS SDA A0 EN 2-4 IN BOUTA HSOUT VSOUT SOGOUT DD S2D GOUTA MIDSCV DTACK SYNC PROCESSING AND CLOCK GENERATION FILT S1 D ROUTA REF SERIAL REGISTER AND POWER MANAGEMENT AD9883A REF BYPASS GRUNDIG Service Chassis LA2000 Hauptplatte / Main Board – Scaler 7 TO DISPLAY $ % ^ 11 14 10 6 9 8 15 16 12 power on (trigger: +12V) 13 1 1 3 4 6 7 8 9 0 @ # 3 4 TV CONTROL AND INTERFACE I2 C-bus, general I/O ROM MICROCONTROLLER (80C51) DRAM MEMORY INTERFACE SRAM SAA5264 SAA5265 CVBS DATA CAPTURE DISPLAY R G B VDS CVBS DATA CAPTURE TIMING DISPLAY TIMING VSYNC HSYNC Hauptplatte / Main Board – Teletext 14 4 3 13 12 ! 2-5 GRUNDIG Service Chassis LA2000 TO HEADPHONE Hauptplatte / Main Board – Audio 17 2 19 3 4 20 HPD BUS0 BUS1 SDA SCL SDO WS SCK ST IRQ 18 Headphone Detection Stereo Flag Interrupt Request STV82x6 IS Interface 2Vrms AI2L AI2R 2Vrms AI3L AI3R 2Vrms 7 Input Analog Audio Matrix Smart Volume Control, ST WideSurround, 5-band Equalizer and Loudness, Beeper and Subwoofer Output Digital Audio Matrix Headphone Audio Processing Smart Volume Control, Bass/Treble and Beeper Audio Stereo A/D Audio Stereo D/A Gain Audio Stereo D/A Audio Stereo D/A Audio Matrixing Single Crystal Clock Generation Vol./ Bal. Vol./ Bal. Low Noise Audio Mute Low Noise Audio Mute 1Vrms 1Vrms Loudspeaker LSL LSR S-GND 9 SW Subwoofer IN2 Headphone HPL HPR MUTE 13 1 OUT1+ Low Noise Audio Mute 2Vrms AO1L AO1R Low Noise Audio Mute 2Vrms AO2L AO2R 4 & * ( ) TO MAIN BOARD TO MAIN BOARD Bedieneinheit, Kopfhörerplatte / Keyboard, Headphone Board KEYBOARD HEADPHONE 2-6 - 2 + + 8 Power Supply Management DC Regulators, Standby mode 3 Vref 15 OUT1- OUT2+ 6 power on (trigger: +12V) 2 VCC 3 - PW-GND Output Analog Audio Matrix 12 Output Scarts 0.5Vrms AI1L AI1R ST-BY XTI XTO Input SCARTs Stereo Flag FM, AM, A2 and NICAM Mono In MONOIN VCC Audio Processing Multi-Standard Digital Stereo Demodulator Source Preprocessing A/D + - Loudspeaker Audio Processing AGC 4 TDA7266 IS Interface IC Bus Expander Demodulation Sound IF SIF IN1 + 14 OUT2- ǵ GRUNDIG Service Chassis LA2000 Ersatzteilliste Spare Parts List NUR FÜR INTERNEN GEBRAUCH FOR INTERNAL USE ONLY TV 20 LCD 51-7401 TOP 4 / 2005 MATERIAL-NR. / PART NO.: 720126012400 BESTELL-NR. / ORDER NO.: GBC9500 POS. NR. ABB. POS. NO. FIG. 0001.000 0002.000 0003.000 0005.000 0007.000 0008.000 0019.000 0020.000 0021.000 0022.000 0025.000 0030.000 0060.000 0070.000 0080.000 0090.000 0091.000 0092.000 S S S MATERIAL-NR. ANZ. PART NUMBER QTY. BEZEICHNUNG DESCRIPTION 720126012400 20 LCD 51-7401 TOP KEIN E-TEIL 20 LCD 51-7401 TOP NO SPARE PART 759551144200 759551144100 759551144300 759551144400 759551146500 759551143500 759551146700 720117137100 759551143900 759551144000 759551144800 759551143800 759551143600 759551146600 759551143700 759551144500 759551144600 759551144700 GEHAEUSEVORDERTEIL SILBER RUECKWAND SILBER DEKO-RAHMEN VORDERTEIL SILBER FUSS SILBER LAUTSPRECHER LCD-DISPLAY 20" CHI MEI TUNER TCPQ9091 PD27D FERNBEDIENUNG KABEL BEDIENMODUL DATENKABEL (Display) NETZKABEL LP-HAUPTMODUL LP-BEDIENMODUL LP-NETZTEIL LP-IR-MODUL POLSTERSET LCD KARTON POLSTERSET FUSS FRONT CABINET SILVER BACK COVER SILVER DECO FRAME FRONT SILVER FOOT SILVER LOUDSPEAKER LCD-DISPLAY 20" CHI MEI TUNER TCPQ9091 PD27D REMOTE CONTROL CABLE CONTROLBOARD DATA CABLE (Display) POWER CABLE MAINBOARD CONTROLBOARD POWER SUPPLY IR-BOARD CUSHION SET LCD CARTON CUSHION SET FOOT 720117106500 720117106600 720117106700 720100519000 BEDIENUNGSANLEITUNG D/F/I BEDIENUNGSANLEITUNG GB/NL/E BEDIENUNGSANLEITUNG S/DK/N SERVICE MANUAL D/GB INSTRUCTION MANUAL D/F/I INSTRUCTION MANUAL GB/NL/E INSTRUCTION MANUAL S/DK/N SERVICE MANUAL D/GB d Es gelten die Vorschriften und Sicherheitshinweise gemäß dem Service Manual "Sicherheit", Mat.-Nummer 720108000001, sowie zusätzlich die eventuell abweichenden, landesspezifischen Vorschriften! © ! (!) The regulations and safety instructions shall be valid as provided by the "Safety" Service Manual, part number 720108000001, as well as the respective national deviations. ÄNDERUNGEN VORBEHALTEN / SUBJECT TO ALTERATION 3-1 ǵ GRUNDIG Service Chassis LA2000 Ersatzteilliste Spare Parts List NUR FÜR INTERNEN GEBRAUCH FOR INTERNAL USE ONLY TV 20 LCD 51-7402 TOP 6 / 2005 MATERIAL-NR. / PART NO.: 720126015600 BESTELL-NR. / ORDER NO.: GBD5200 POS. NR. ABB. POS. NO. FIG. 0001.000 0002.000 0003.000 0005.000 0007.000 0008.000 0019.000 0020.000 0021.000 0022.000 0025.000 0030.000 0060.000 0070.000 0080.000 0090.000 0091.000 0092.000 S S S MATERIAL-NR. ANZ. PART NUMBER QTY. BEZEICHNUNG DESCRIPTION 720126015600 20 LCD 51-7402 TOP KEIN E-TEIL 20 LCD 51-7402 TOP NO SPARE PART 759551144200 759551144100 759551167300 759551167400 759551146500 759551143500 759551146700 720117137100 759551143900 759551144000 759551144800 759551143800 759551143600 759551146600 759551143700 759551144500 759551144600 759551144700 GEHAEUSEVORDERTEIL SILBER RUECKWAND SILBER DEKO-RAHMEN VORDERTEIL SILBER FUSS SILBER LAUTSPRECHER LCD-DISPLAY 20" CHI MEI TUNER TCPQ9091 PD27D FERNBEDIENUNG KABEL BEDIENMODUL DATENKABEL (Display) NETZKABEL LP-HAUPTMODUL LP-BEDIENMODUL LP-NETZTEIL LP-IR-MODUL POLSTERSET LCD KARTON POLSTERSET FUSS FRONT CABINET SILVER BACK COVER SILVER DECO FRAME FRONT SILVER FOOT SILVER LOUDSPEAKER LCD-DISPLAY 20" CHI MEI TUNER TCPQ9091 PD27D REMOTE CONTROL CABLE CONTROLBOARD DATA CABLE (Display) POWER CABLE MAINBOARD CONTROLBOARD POWER SUPPLY IR-BOARD CUSHION SET LCD CARTON CUSHION SET FOOT 720117106500 720117106600 720117106700 720100519000 BEDIENUNGSANLEITUNG D/F/I BEDIENUNGSANLEITUNG GB/NL/E BEDIENUNGSANLEITUNG S/DK/N SERVICE MANUAL D/GB INSTRUCTION MANUAL D/F/I INSTRUCTION MANUAL GB/NL/E INSTRUCTION MANUAL S/DK/N SERVICE MANUAL D/GB d Es gelten die Vorschriften und Sicherheitshinweise gemäß dem Service Manual "Sicherheit", Mat.-Nummer 720108000001, sowie zusätzlich die eventuell abweichenden, landesspezifischen Vorschriften! © ! (!) The regulations and safety instructions shall be valid as provided by the "Safety" Service Manual, part number 720108000001, as well as the respective national deviations. ÄNDERUNGEN VORBEHALTEN / SUBJECT TO ALTERATION 3-2