Toshiba 34HD82 Service Manual Download Page 1

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TOSHIBA CORPORATION

1-1, SHIBAURA 1- CHOME, MINATO-KU, TOKYO 105-8001, JAPAN

FILE NO. 020-200220

SERVICE MANUAL

COLOR TELEVISION

N2WS Chassis

34HDX82, 34HD82

PUBLISHED IN JAPAN.

Aug. 2002

(TAC0241)

(TAC0240)

Summary of Contents for 34HD82

Page 1: ...TOSHIBA CORPORATION 1 1 SHIBAURA 1 CHOME MINATO KU TOKYO 105 8001 JAPAN FILE NO 020 200220 SERVICE MANUAL COLOR TELEVISION N2WS Chassis 34HDX82 34HD82 PUBLISHED IN JAPAN Aug 2002 So TAC0241 TAC0240 ...

Page 2: ... ELECTRICAL ADJUSTMENTS 11 CIRCUIT CHECKS 13 CHAPTER 2 SPECIFIC INFORMATIONS SETTING ADJUSTING DATA 14 LOCATION OF CONTROLS 15 PROGRAMMING CHANNEL MEMORY 17 CHASSIS AND CABINET REPLACEMENT PARTS LIST 18 PC BOARDS BOTTOM VIEW 35 TERMINAL VIEW OF TRANSISTORS 43 CIRCUIT BLOCK DIAGRAM 46 SPECIFICATIONS END APPENDIX CIRCUIT DIAGRAM ...

Page 3: ...alue exceeding this limit consti tutes a potential shock hazard and must be corrected im mediately WARNING Service should not be attempted by anyone unfa miliar with the necessary precautions on this receiver The fol lowing are the necessary precautions to be observed before servicing this chassis 1 An isolation Transformer should be connected in the power line between the receiver and the AC line...

Page 4: ...and BRIGHTNESS Controls to the maximum 3 Display built in green raster using the TEST SIGNAL SELECTION function 4 Loosen the clamp screw holding the deflection yoke and remove the rubber Wedges 5 Slide the yoke forward or backward to provide vertical green belt zone in the picture screen 6 Rotate and spread the tabs of the purity magnet See figure 4 around the neck of the picture tube until the gr...

Page 5: ...TER CONVERGENCE AD JUSTMENT tighten the tightening ring to fix the mag nets Figure 3 Xv COIL ADJUSTMENT Adjust the Xv coil on the deflection yoke to correct misconvergence at both sides on screen Use a hexagonal tip stick plastic to adjust the core of coil BLU BLU RED RED 6 POLE MAGNETS MOVEMENT 4 POLE MAGNETS MOVEMENT RED BLUE RED BLUE GRN GRN Center Convergence by Convergence Magnets R B B R B R...

Page 6: ... 6 Receive the green raster shift the deflection yoke from a foremost position hitting against the picture tube to a backward position horizontally stop the deflection yoke at a position where it begins to become a green raster and perform accurate marking on the picture tube 7 Shift the deflection yoke further backward and perform accurate marking at a position where the green raster begins to be...

Page 7: ...or blue mark Insert the correction piece between the picture tube and the deflection yoke Insertion position of correction piece Bonded surface blue green red Parts code 23 948 464 Transparent Bonded surface Adjust VR 1 and minimize the deviation of YH Only 27 30 and 32 Red green blue Red green blue Red green blue Red green blue Adjust VR 2 YHC and minimize the deviation of YH Red green blue Red g...

Page 8: ...vides special functions A single horizontal line ON OFF TV ANT VIDEO button on TV Test signal selection TV ANT VIDEO button on Remote Selection of the adjustment items Channel s t on TV or Remote Change of the data value Volume s t on TV or Remote Adjustment menu mode ON OFF MENU button on TV Initialization of the memory QA02 QA04 RECALL Channel s button on TV Initialization of the self diagnostic...

Page 9: ...mode then select any register item 2 Press and hold the RECALL button on the Remote then press the CHANNEL s button on the TV The initialization of QA02 and QA04 has been complated 3 Check the picture carefully If necessary adjust any adjustment item above Perform Programming Channel Memory on the owner s manual CAUTION Never attempt to initialize the data unless QA02 QA04 has been replaced 7 TEST...

Page 10: ...ne check OK Normal SCL GND or NG SCL GND short circuit SDA GND or NG SDA GND short circuit SCL SDA or NG SCL SDA short circuit BUS line ACK acknowledge check OK Normal Display of Location Number NG Display example QA02 NG H001 NG Q501 NG etc Note The indication of failure place is only one place though failure places are plural When repair of a failure place finishes the next failure place is indi...

Page 11: ...tment ITEM ADJUSTMENT PROCEDURE SUB COLOR SCOL SUB TINT TNTC 1 Receive color bar signal from color bar generator 2 Press the RESET button 3 Connect oscilloscope to TP501 on SIG NAL board 4 Adjust the CONTRAST control to the minimum 5 Call up the adjustment mode display then select the item TNTC 6 Adjust the SUB TINT by pressing the VOLUME s or t button to obtain a blue bar to magenta bar ratio of ...

Page 12: ... data by 9 steps Note Check the vertical picture position is correct WHITE BALANCE RCUT GCUT BCUT GDRV BDRV 1 Adjust the CONTRAST control to the center and BRIGHTNESS control to the maximum 2 Call up the adjustment mode display and press the TV VIDEO button on Remote until the white and black pattern appears on the screen 3 Adjust the following items with the CHANNEL s t and VOLUME s t buttons 4 P...

Page 13: ...sable for the final check in servicing Checking should be done following the steps below 1 Turn the receiver on and press the RESET button 2 Temporarily short TP R and TP X with a jumper wire Raster and sound will disappear 3 The receiver must remain in this state even after removing the jumper wire This is the evidence that the FS circuit is functioning properly 4 To obtain a picture again tempor...

Page 14: ...NSTRUCTIONS Item Name of adjustment Item Name of adjustment Preset Table 2 OPTION PROGRESSIVE 4 3 DV CIRCUIT CHECKS Table 4 FBT DETECTION VOLTAGE C 18 9 V 40H 40H 40H 40H 40H 80H 46H 0EH 10H 38H 12H 36H 16H Preset 14H 39H 39H 08H 07H 14H 16H 82H 40H 0FH 19H CNR TRAP HPS CPAR CSAW TCNR BCNR VPSI PHUE PCNT PCOL E W CORNER TRAPEZIUM H POSITION CENTER PARA CENTER SAW EW TOP CORNER EW BOTTOM COR V SHIF...

Page 15: ...ONO R INSIDE DOOR Video Audio inputs Video 3 MENU VOLUME ts Remote sensor TV Rear CHANNEL ts TV VIDEO SPECIFIC INFORMATIONS VIDEO1 VIDEO2 S VIDEO COLOR STREAM HD 1 VIDEO MONO L R AUDIO VIDEO MONO L R AUDIO L R AUDIO Y PB PR COLOR STREAM HD 2 ANT1 ANT2 OUT L R AUDIO L ON CHANNEL IN OFF R L R Y PB PR COLOR STREAM HD 2 IN OUT DVI IN VAR AUDIO ANT 75 ...

Page 16: ...menu information stT S selects or adjusts programming menus FAV T S selects your favourite channels Volume st adjusts the volume level EXIT exits programming menus Channel st cycles through programmed channels CH RTN returns to the last viewed channels RECALL displays on screen information MUTE mutes the sound INPUT selects video input source PIP allows access to PIP functions PIP turns the PIP on...

Page 17: ...allycyclethroughalltheTVorCABLE channels selected by the TV CABLE function and store active channels in the channel memory 3 When channel programming is complete you will see the message to the right 4 Press CHANNEL s or t to make sure the channel pro gramming has been done properly ADD ERASE function After performing the CH PROGRAM function you can add or erase specific channels 1 Select the chan...

Page 18: ... CERAMIC CHIP 25V F 0 1UF Z C242 24100104 CERAMIC CHIP 25V F 0 1UF Z C243 24203100 ELECTORLYTIC 16V 10UF M 7L 3A C244 24100104 CERAMIC CHIP 25V F 0 1UF Z C245 24105560 CERAMIC CHIP 50V CH 56PF J C246 24105150 CERAMIC CHIP 50V CH 15PF J C247 24105270 CERAMIC CHIP 50V CH 27PF J C248 24105101 CERAMIC CHIP 50V CH 100PF J C249 24105820 CERAMIC CHIP 50V CH 82PF J C250 24105560 CERAMIC CHIP 50V CH 56PF J...

Page 19: ...F K C497 24829433 PLASTIC FILM 400V 43000PF J C513 24109103 CERAMIC CHIP 50V B 0 01UF K C515 24100104 CERAMIC CHIP 25V F 0 1UF Z C520 24539334 PLASTIC FILM 50V 0 33UF J C530 24797010 ELECTROLYTIC 50V 1UF M C531 24100104 CERAMIC CHIP 25V F 0 1UF Z C532 24100104 CERAMIC CHIP 25V F 0 1UF Z C533 24100104 CERAMIC CHIP 25V F 0 1UF Z C534 24100104 CERAMIC CHIP 25V F 0 1UF Z C536 24100104 CERAMIC CHIP 25V...

Page 20: ...AMIC DISC 500V B 470PF K C889 24668332 ELECTROLYTIC 35V 3300UF M 3A C891 24082229 PLASTIC FILM 250V 0 1UF D C893 24092335 CERAMIC DISC 2KV R 150PF K C894 24092335 CERAMIC DISC 2KV R 150PF K C895 24796471 ELECTROLYTIC 35V 470UF M C896 24214471 CERAMIC DISC 500V B 470PF K C897 24617044 ELECTROLYTIC 35V 2200UF M C898 24503041 PLASTIC FILM 63V 0 1UF J C899 24214471 CERAMIC DISC 500V B 470PF K C902 240...

Page 21: ...IC 50V 4 7UF M 34HDX82 CD10 24794470 ELECTORLYTIC 16V 47UF M 34HD82 CD11 24797479 ELECTROLYTIC 50V 4 7UF M CD12 24797479 ELECTROLYTIC 50V 4 7UF M CD13 24797479 ELECTROLYTIC 50V 4 7UF M CD14 24797479 ELECTROLYTIC 50V 4 7UF M CD15 24797479 ELECTROLYTIC 50V 4 7UF M CD16 24797479 ELECTROLYTIC 50V 4 7UF M CD17 24503045 PLASTIC FILM 63V 0 22UF J CD18 24590102 PLASTIC FILM 50V 1000PF J CD19 24590153 PLAS...

Page 22: ...50V F 0 01UF Z CV27 24762471 ELECTROLYTIC 10V 470UF M CV29 24794101 ELECTROLYTIC 16V 100UF M CV30 24100103 CERAMIC CHIP 50V F 0 01UF Z CV75 24100103 CERAMIC CHIP 50V F 0 01UF Z CV79 24203470 ELECTROLYTIC 16V 47UF M 7L 3A CV80 24203470 ELECTROLYTIC 16V 47UF M 7L 3A CV81 24203470 ELECTROLYTIC 16V 47UF M 7L 3A CV82 24203470 ELECTROLYTIC 16V 47UF M 7L 3A CV86 24203470 ELECTROLYTIC 16V 47UF M 7L 3A CV8...

Page 23: ... FILM 1 20W 22K OHM J R361 24011223 CHIP METAL FILM 1 20W 22K OHM J R362 24011223 CHIP METAL FILM 1 20W 22K OHM J R363 24011472 CHIP METAL FILM 1 20W 4 7K OHM J R370 24872103 CHIP METAL FILM 1 16W 10K OHM J R371 24011103 CHIP METAL FILM 1 20W 10K OHM J R376 24366220 CARBON FILM 1 6W 22 OHM J R400 24946561 CARBON COMPOSITION 1 2W 560 OHM K R405 24553682 OXIDE METAL FILM 1W 6 8K OHM J R411 24366180 ...

Page 24: ...6683 CARBON FILM 1 6W 68K OHM J R736 24553470 OXIDE METAL FILM 1W 47 OHM J R737 24366681 CARBON FILM 1 6W 680 OHM J R738 24366102 CARBON FILM 1 6W 1K OHM J R739 24366681 CARBON FILM 1 6W 680 OHM J R740 24553470 OXIDE METAL FILM 1W 47 OHM J R741 24322229 OXIDE METAL FILM 1W 2 2 OHM J R742 24322229 OXIDE METAL FILM 1W 2 2 OHM J R743 24554181 OXIDE METAL FILM 2W 180 OHM J R744 24366122 CARBON FILM 1 ...

Page 25: ...W 1K OHM J R2152 24011101 CHIP METAL FILM 1 20W 100 OHM J R2153 24011101 CHIP METAL FILM 1 20W 100 OHM J R2154 24011101 CHIP METAL FILM 1 20W 100 OHM J R2155 24011100 CHIP METAL FILM 1 20W 10 OHM J R2156 24011100 CHIP METAL FILM 1 20W 10 OHM J R2157 24011100 CHIP METAL FILM 1 20W 10 OHM J R2160 24011472 CHIP METAL FILM 1 20W 4 7K OHM J R2161 24011562 CHIP METAL FILM 1 20W 5 6K OHM J R3105 24011102...

Page 26: ...1 20W 1K OHM J RA705 24011103 CHIP METAL FILM 1 20W 10K OHM J RA707 24872104 CHIP METAL FILM 1 16W 100K OHM J RA708 24011101 CHIP METAL FILM 1 20W 100 OHM J RB03 24011330 CHIP METAL FILM 1 20W 33 OHM J RB05 24011102 CHIP METAL FILM 1 20W 1K OHM J RB11 24366271 CARBON FILM 1 6W 270 OHM J RB12 24366103 CARBON FILM 1 6W 10K OHM J RB13 24366470 CARBON FILM 1 6W 47 OHM J RB14 24011153 CHIP METAL FILM 1...

Page 27: ...TYPE RJ16 24000445 CHIP JUMPER 1608TYPE RJ24 24000445 CHIP JUMPER 1608TYPE RJ40 24000445 CHIP JUMPER 1608TYPE RM16 24011101 CHIP METAL FILM 1 20W 100 OHM J RM18 24011102 CHIP METAL FILM 1 20W 1K OHM J RM79 24011222 CHIP METAL FILM 1 20W 2 2K OHM J RM80 24011103 CHIP METAL FILM 1 20W 10K OHM J RM82 24011473 CHIP METAL FILM 1 20W 47K OHM J RM83 24011472 CHIP METAL FILM 1 20W 4 7K OHM J RR31 24011102...

Page 28: ...M J RV97 24011392 CHIP METAL FILM 1 20W 3 9K OHM J RV98 24011101 CHIP METAL FILM 1 20W 100 OHM J RV99 24011102 CHIP METAL FILM 1 20W 1K OHM J RV100 24011102 CHIP METAL FILM 1 20W 1K OHM J RV101 24011472 CHIP METAL FILM 1 20W 4 7K OHM J RV102 24011103 CHIP METAL FILM 1 20W 10K OHM J RV111 24011100 CHIP METAL FILM 1 20W 10 OHM J RV117 24011750 CHIP METAL FILM 1 20W 75 OHM J RV118 24011750 CHIP METAL...

Page 29: ...IL PEAKING TRF4120AF 34HDX82 L902 23289689 COIL PEAKING TRF46R8AF 34HDX82 L902 23237975 COIL PEAKING TRF4101AC 34HD82 L903 23289689 COIL PEAKING TRF46R8AF 34HDX82 L903 23237975 COIL PEAKING TRF4101AC 34HD82 L904 23289689 COIL PEAKING TRF46R8AF 34HDX82 L904 23237975 COIL PEAKING TRF4101AC 34HD82 L905 23238504 COIL PEAKING TRF4159AJ 34HDX82 L905 23238712 COIL PEAKING TRF4150AJ 34HD82 L906 23238504 C...

Page 30: ... 23114433 TRANSISTOR 2SC1815 Y Q801 23135013 IC STR Z4317 Q801 23009236 IC TI TPS76918 Q801B 23476828 BRACKET IC MOUNTING TMX LOCAL CF35F50 Q805 23114459 TRANSISTOR RN1205 Q822 70129444 IC PST994D Q831 23319203 IC MC7812CT Q831B 70391355 SCREW BIND HEAD TAP TITE B BITTB 3X8 SZN Q832 70200563 IC RESET VS 2 9V PST9129 Q833 23114458 TRANSISTOR RN1206 Q834 23905239 IC PQ30RV1 Q834B 70391355 SCREW BIND...

Page 31: ...9558 IC SW 2IN 1OUT 3CIRCUIT 0 CLP MM1231XF QS101 23906597 IC BA4558F QS102 23114493 TRANSISTOR RN2404 QS103 70114396 TRANSISTOR 2SC3326B QS104 70114396 TRANSISTOR 2SC3326B QS107 23904896 IC JLC1562BF QS108 23205057 TRANSISTOR KTC3875Y QS120 23906597 IC BA4558F QV01 23905539 IC TA8851CN QV02 23905590 IC M52055FP QV10 23114528 TRANSISTOR 2SC1740S QV17 23314204 TRANSISTOR 2SC2412K Q QV18 23114528 TR...

Page 32: ...E 1SS244 34HDX82 D921 23115337 DIODE 1S1834 D926 23357012 DIODE 1SS244 D927 23357012 DIODE 1SS244 D928 23357012 DIODE 1SS244 34HDX82 D929 23357012 DIODE 1SS244 34HDX82 D949 23357012 DIODE 1SS244 D950 23357012 DIODE 1SS244 D951 23357012 DIODE 1SS244 34HDX82 D952 23357012 DIODE 1SS244 34HDX82 D4461 23118041 DIODE MA111 D4819 23118725 THYRISTER SF0R3G42 N DA02 23316574 DIODE ZENER CHIP VZ6 05 6 36V M...

Page 33: ...8TYPE GJ223 24000445 CHIP JUMPER 1608TYPE GJ224 24000445 CHIP JUMPER 1608TYPE GJ225 24000445 CHIP JUMPER 1608TYPE GJ226 24000445 CHIP JUMPER 1608TYPE GJ227 24000445 CHIP JUMPER 1608TYPE GJ228 24000445 CHIP JUMPER 1608TYPE GJ229 24000445 CHIP JUMPER 1608TYPE GJ663 24000445 CHIP JUMPER 1608TYPE GJA33 24000445 CHIP JUMPER 1608TYPE GR07 24000445 CHIP JUMPER 1608TYPE GR24 24000445 CHIP JUMPER 1608TYPE ...

Page 34: ...EL973L ACCESSORIES K912 23306413 REMOCON HAND UNIT IR PJTVUSA CT 90086 34HD82 K912 23306458 REMOCON HAND UNIT CT 90121 34HDX82 Y101 23565732 OWNER S MANUAL ENGLISH FRENCH 34HDX82 Y101 23565733 OWNER S MANUAL ENGLISH FRENCH 34HD82 CABINET PARTS A201 23530447 COVER FRONT COVER 34HDX82 A201 23530448 COVER FRONT COVER ASSY 34HD82 A213 23929478 HOLDER BUTTON A222 23428118 DOOR 34HDX82 A222 23428004 DOO...

Page 35: ... 35 36 SIGNAL BOARD PD0678 BOTTOM FOIL SIDE ...

Page 36: ... 37 38 POWER DEF BOARD PD0739A BOTTOM FOIL SIDE ...

Page 37: ... 39 40 CONT BOARD PD0679 1 BOTTOM FOIL SIDE AC INPUT BOARD PD0679 3 BOTTOM FOIL SIDE LED BOARD PD0679 2 BOTTOM FOIL SIDE ...

Page 38: ... 41 42 VERT BOARD PD0740A BOTTOM FOIL SIDE CRT D SVM BOARD PD0741 BOTTOM FOIL SIDE SRS 3D BOARD PD0645C 34HDX82 BOTTOM FOIL SIDE SRS 3D BOARD PD0644C 34HD82 ...

Page 39: ...SC4544 2SA1788 2SA1306 2SA1186A 2SC752GTM 2SC2482 2SC2655 2SC4721P 2SC752 2SA562TM 2SA1015 2SC1815 2SC2878 2SC1740S 2SC2120 2SA9335 2SA1788 RN2203 RN2201 RN2004 RN1203 RN1204 RN2204 RN1205 RN1202 RN1201 2SD1554 2SD2253 2SD1556 2SC5143 2SC5570 2SD2553 E C B B C E BCE B CE B C E E C B E C B ON4409 B C E ...

Page 40: ... 44 SPECIFIC INFORMATIONS THIS PAGE IS INTENTIONALLY LEFT BLANK ...

Page 41: ...than 1 are expressed in F and the values more than 1 in pF All capacitors are ceramic 50V unless otherwise noted as the following marks Electolytic capacitor Mylar capacitor 3 The parts indicated with have special characteristics and should be replaced with identical parts only 4 Voltages read with DIGITAL MULTI METER from point indicated to chassing ground using a color bar signal with all contro...

Page 42: ...OLTAGE REG OVER VOLTAGE OVER HEAT PROTECTOR AUDIO OUT Q610 SRS QD01 R R L R L L WOOFER W Q510 CHROMA VIDEO DEF A B QA02 MEMORY KEY CONTROL QV01 SIGNAL SW VAR AUDIO 12V QA01 MICROPROCESSOR VIDEO INPUT 2 Q830 Q843 SW Q840 D847 RESET STBY 5V Q835 Q390 5A F890 9V 1 5A 24 5V F889 2A F470 T862 D893 D892 12V R883 D885 D886 D883 D884 Q404 H OUTPUT RED OUTPUT GREEN OUTPUT BLUE OUTPUT FBT T461 125V 33V D471...

Page 43: ...0 286V p p burst signal 75 ohm VIDEO AUDIO INPUT VIDEO 1V p p 75 ohm negative sync AUDIO 150mV rms 30 modulation equivalent 47k ohm ColorStream Component video INPUT Y 1V p p 75 ohm PB 0 7 V p p 75 ohm PR 0 7 V p p 75 ohm AUDIO 150 mV rms 47k ohm VIDEO AUDIO OUT PUT VIDEO 1 V p p 75 ohm negative sync AUDIO 150 mV rms 30 modulation equivalent 4 7k ohm VARIABLE AUDIO OUTPUT 0 300mV rms 30 modulation...

Page 44: ...TOSHIBA CORPORATION 1 1 SHIBAURA 1 CHOME MINATO KU TOKYO 105 8001 JAPAN FILE NO 020 200220 SERVICE MANUAL COLOR TELEVISION N2WS Chassis 34HDX82 34HD82 PUBLISHED IN JAPAN Aug 2002 So TAC0241 TAC0240 ...

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