Toshiba 30H83, Service Manual

Page 1: ...FILE NO 070 200331 SERVICE MANUAL COLOR TELEVISION N3WS Chassis 30H83 TAC0324 DOCUMENT CREATED IN JAPAN Jan 2004 ...

Page 2: ...ECTRICAL ADJUSTMENTS 9 CIRCUIT CHECKS 11 CHAPTER 2 SPECIFIC INFORMATIONS SETTING ADJUSTING DATA 12 LOCATION OF CONTROLS 13 ADDING CHANNELS TO THE TV S MEMORY 15 CHASSIS AND CABINET REPLACEMENT PARTS LIST 16 PC BOARDS BOTTOM VIEW 31 TERMINAL VIEW OF TRANSISTORS 40 CIRCUIT BLOCK DIAGRAM 42 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: ... 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 5: ...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 6: ...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 7: ...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 8: ...n circuit current limiter 000 is normal BUS line 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...

Page 9: ...ment 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 3...

Page 10: ... 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 11: ...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 12: ...ADJUSTING ITEMS AND DATA IN THE SERVICE MODE CHAPTER 2 SPECIFIC INFORMATIONS SAFETY INSTRUCTIONS Item Name of adjustment Item Name of adjustment Preset Table 2 CIRCUIT CHECKS FBT DETECTION VOLTAGE C 20 1 V 40H 40H 40H 40H 40H 80H 46H 15H 38H Preset 12H 00H 16H 15H 35H 39H 14H 10H 82H LIN WID PARA CNR TRAP HPS TCNR BCNR VPSI V LINEARITY 1080 PICTURE WIDTH 1080 E W PARABOLA 1080 EW M CORRECTION EW T...

Page 13: ...icator Remote sensor Volume Channel OUT IN ANT 75 ANT 1 ANT 2 OUT L MONO AUDIO VIDEO S VIDEO VIDEO 1 PB PR Y COLOR STREAMHD 1 COLOR STREAMHD 2 R VIDEO S VIDEO VIDEO 2 L MONO AUDIO VIDEO R L VAR AUDIO R AUDIO R L PB PR Y AUDIO R L L MONO AUDIO R ON OFF AUDIO CENTER CHANNEL IN DVI HDCP IN R AUDIO L DVI HDCP IN Variable Audio OUT Audio Center Channel IN ANT 1 IN ANT OUT ANT 2 IN VIDEO 1 2 ColorStream...

Page 14: ...REW SKIP SEARCH SPLIT SWAP POP CH LIGHT REC CH SCAN FREEZE SOURCE PLAY TV CBL SAT VCR DVD VOL CH FAVORITE ENTER DVDMENU MENU T O P M ENU GUID E CLE A R E N T ER POWER INFO CBL SAT only Chann umbers 0 9 GUIDE CBL SAT only 89 DVD only CLEAR DVD only CH 89 PLAY STOP SKIP SEARCH DVD only SKIP SEARCH DVD only 10 DVD only TOP MENU DVD only ENTER Device Switch PAUSE TV VCR VCR only REW REC VCR only FF ...

Page 15: ...ually add or erase specific channels To add or erase channels 1 Select the channel you want to add or erase If you are adding a channel you must select the channel using the Channel Number buttons 2 Press MENU and then press or until the SET UP menu appears 3 Press 8 or 9 to highlight ADD ERASE 4 Press or to select ADD or ERASE depend ing on the function you want to perform 5 Repeat steps 1 4 for ...

Page 16: ... H C445 24095804 PLASTIC FILM 400V 0 056UF J C446 24073120 ELECTRPLYTIC 250V 33UF 250YXF33M C448 24073118 ELECTROLYTIC 160V 33UF M C450 24092341 CERAMIC DISC 2KV R 470PF K C451 24092341 CERAMIC DISC 2KV R 470PF K C452 24820103 PLASTIC FILM 630V 0 01UF J C461 24820123 PLASTIC FILM 630V 0 012UF J C464 24503149 PLASTIC FILM 250V 3 3UF C465 24591183 PLASTIC FILM 50V 0 018UF J C466 24679220 ELECTROLYTI...

Page 17: ...MIC DISC 50V B 1000PF K C801 24503002 PLASTIC FILM AC275V 0 22UF M C802 24503001 PLASTIC FILM AC275V 0 1UF M C805 24092623 CERAMIC DISC 250V F 0 01UF Z C806 24092623 CERAMIC DISC 250V F 0 01UF Z C807 24214103 CERAMIC DISC 500V B 0 01UF K C808 24214103 CERAMIC DISC 500V B 0 01UF K C810 24086062 ELECTROLYTIC 200V 1000UF M 3F C810A 23960136 ADHESIVE SILICONE TSE3843 W C811 24092583 CERAMIC DISC AC250...

Page 18: ...HIP 50V F 0 01UF Z CA27 24092538 CERAMIC CHIP 10V F 1UF Z CA28 24085970 ELECTROLYTIC NONPOLAR 16V 10UF M 7L CA30 24085970 ELECTROLYTIC NONPOLAR 16V 10UF M 7L CA31 24092538 CERAMIC CHIP 10V F 1UF Z CA33 24100103 CERAMIC CHIP 50V F 0 01UF Z CA34 24092538 CERAMIC CHIP 10V F 1UF Z CA37 24105101 CERAMIC CHIP 50V CH 100PF J CA38 24105101 CERAMIC CHIP 50V CH 100PF J CA39 24105101 CERAMIC CHIP 50V CH 100P...

Page 19: ...UF K CV02 24092621 CERAMIC CHIP 10V B 1UF K CV03 24092621 CERAMIC CHIP 10V B 1UF K CV04 24100104 CERAMIC CHIP 25V F 0 1UF Z CV05 24092621 CERAMIC CHIP 10V B 1UF K CV06 24092621 CERAMIC CHIP 10V B 1UF K CV07 24100104 CERAMIC CHIP 25V F 0 1UF Z CV08 24794101 ELECTROLYTIC 16V 100UF M CV09 24092621 CERAMIC CHIP 10V B 1UF K CV10 24794100 ELECTROLYTIC 16V 10UF M CV11 24092621 CERAMIC CHIP 10V B 1UF K CV...

Page 20: ...2103 CHIP METAL FILM 1 16W 10K OHM J R371 24011103 CHIP METAL FILM 1 20W 10K OHM J R372 24011103 CHIP METAL FILM 1 20W 10K OHM J R373 24011102 CHIP METAL FILM 1 20W 1K OHM J R374 24011102 CHIP METAL FILM 1 20W 1K OHM J R376 24011471 CHIP METAL FILM 1 20W 470 OHM J R377 24366220 CARBON FILM 1 6W 22 OHM J R379 24382103 OXIDE METAL FILM 1W 10K OHM J R380 24946226 CARBON CONPOSITI0N 1 2W 22M OHM K R38...

Page 21: ...OHM J R732 24366330 CARBON FILM 1 6W 33 OHM J R733 24366683 CARBON FILM 1 6W 68K OHM J R734 24366330 CARBON FILM 1 6W 33 OHM J R735 24366683 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 META...

Page 22: ...HIP METAL FILM 1 8W 1K OHM J R2158 24011103 CHIP METAL FILM 1 20W 10K OHM J R2159 24011103 CHIP METAL FILM 1 20W 10K OHM J R2160 24011103 CHIP METAL FILM 1 20W 10K OHM J R2161 24871472 CHIP METAL FILM 1 8W 4 7K OHM J R2162 24871562 CHIP METAL FILM 1 8W 5 6K OHM J R2163 24011100 CHIP METAL FILM 1 20W 10 OHM J R2164 24011100 CHIP METAL FILM 1 20W 10 OHM J R2165 24011100 CHIP METAL FILM 1 20W 10 OHM ...

Page 23: ... CHIP METAL FILM 1 20W 100 OHM J RA161 24011103 CHIP METAL FILM 1 20W 10K OHM J RA221 24011153 CHIP METAL FILM 1 2OW 15K OHM J RA361 24011102 CHIP METAL FILM 1 20W 1K OHM J RA374 24000445 CHIP JUMPER 1608TYPE RA384 24000445 CHIP JUMPER 1608TYPE RA394 24000445 CHIP JUMPER 1608TYPE RA401 24011561 CHIP METAL FILM 1 20W 560 OHM J RA431 24011103 CHIP METAL FILM 1 20W 10K OHM J RA703 24011102 CHIP METAL...

Page 24: ...1101 CHIP METAL FILM 1 20W 100 OHM J RS26 24011101 CHIP METAL FILM 1 20W 100 OHM J RS29 24011102 CHIP METAL FILM 1 20W 1K OHM J RS30 24011102 CHIP METAL FILM 1 20W 1K OHM J RS31 24011104 CHIP METAL FILM 1 20W 100K OHM J RS32 24011104 CHIP METAL FILM 1 20W 100K OHM J RS33 24011223 CHIP METAL FILM 1 20W 22K OHM J RS34 24011223 CHIP METAL FILM 1 20W 22K OHM J RS37 24011473 CHIP METAL FILM 1 20W 47K O...

Page 25: ... RX11 24011221 CHIP METAL FILM 1 20W 220 OHM J RX12 24011221 CHIP METAL FILM 1 20W 220 OHM J RY101 24011101 CHIP METAL FILM 1 20W 100 OHM J RY102 24011221 CHIP METAL FILM 1 20W 220 OHM J RY103 24011102 CHIP METAL FILM 1 20W 1K OHM J RY104 24011102 CHIP METAL FILM 1 20W 1K OHM J RY105 24011821 CHIP METAL FILM 1 20W 820 OHM J RY106 24000445 CHIP JUMPER 1608TYPE RY107 24011222 CHIP METAL FILM 1 20W 2...

Page 26: ...R TRF41R2CG LI51 23289470 COIL PEAKING TRF4470AF LI52 23289120 COIL PEAKING TRF4120AF LI53 23289180 COIL PEAKING TRF4180AF LI54 23232050 COIL VARIABLE TRF3554D LI55 23289129 COIL PEAKING 1 0MMH J 0405 TRF41R2AF LI56 23289180 COIL PEAKING TRF4180AF LI57 23289228 COIL PEAKING TRF4R22AF LJ901 23200443 COIL DG TASB2406AG LV02 23103824 COIL FILTER TEM2028K LV03 23103824 COIL FILTER TEM2028K LV09 232898...

Page 27: ...Q910 23114433 TRANSISTOR 2SC1815 Y Q911 23114433 TRANSISTOR 2SC1815 Y Q912 23114425 TRANSISTOR 2SA1015 Y TE Q913 23114425 TRANSISTOR 2SA1015 Y TE Q914 23114433 TRANSISTOR 2SC1815 Y Q2104 23314962 TRANSISTOR KTA1266 Y Q2105 23314962 TRANSISTOR KTA1266 Y Q2106 23314962 TRANSISTOR KTA1266 Y Q2107 23314962 TRANSISTOR KTA1266 Y Q2108 23314962 TRANSISTOR KTA1266 Y Q2109 23314962 TRANSISTOR KTA1266 Y Q22...

Page 28: ...ER MTZJ11B D420 23316675 DIODE ZENER MTZJ6 2B D431 23316690 DIODE ZENER MTZJ10B D432 23115532 DIODE ERB12 01 D439 23316690 DIODE ZENER MTZJ10B D462 23316725 DIODE ZENER MTZJ15B D465 23357366 DIODE FR105 B5 D469 23118859 DIODE 1SS133 D470 23316758 DIODE ZENER MTZJ36B D471 23357366 DIODE FR105 B5 D475 23316720 DIODE ZENER MTZJ12C D476 23118859 DIODE 1SS133 D480 23316573 DIODE ZENER MA8062 L D481 231...

Page 29: ...NNECTOR BRIDGE PLUG 16P 1 5 BB50B 23713013 CONNECTOR SOCKET B B 16P 1 5 BB60A 23713014 CONNECTOR BRIDGE PLUG 16P 1 5 BB60B 23713013 CONNECTOR SOCKET B B 16P 1 5 BB70A 23713014 CONNECTOR BRIDGE PLUG 16P 1 5 BB70B 23713013 CONNECTOR SOCKET B B 16P 1 5 F470 23144897 FUSE 2A 125V F470A 23165433 FUSE HOLDER 5 2 SOC F470B 23165433 FUSE HOLDER 5 2 SOC F801 23144518 FUSE CARTRIDGE 125V 10A F801A 23165433 ...

Page 30: ...SH 1C1P SA02 23145227 SWITCH PUSH 1C1P SA03 23145227 SWITCH PUSH 1C1P SA04 23145227 SWITCH PUSH 1C1P SA05 23344335 SWITCH PUSH 2C2P SA06 23145227 SWITCH PUSH 1C1P SA07 23145227 SWITCH PUSH 1C1P SR81 23146577 RELAY DLS5D1 O M 0 25W SR83 23146564 RELAY DC12V TV5 DG 3 UV02 23148067 MODULE 03DVI MODULE PD0647 UZ01 23148087 SCAN CONVERTER MODULE MVPU41B G HYPER V901A 23902824 SOCKET CRT 10P W661 233511...

Page 31: ... 31 32 SIGNAL BOARD PD1086B BOTTOM FOIL SIDE ...

Page 32: ... 33 34 POWER DEF BOARD PD1087B BOTTOM FOIL SIDE ...

Page 33: ... 35 36 CONT BOARD PD1266 1 BOTTOM FOIL SIDE ...

Page 34: ... 37 38 LED BOARD PD1266 2 BOTTOM FOIL SIDE AC IN BOARD PD1091A BOTTOM FOIL SIDE VERT BOARD PD1090B BOTTOM FOIL SIDE IF BOARD PD1022B BOTTOM FOIL SIDE ...

Page 35: ... 39 CRT D SVM BOARD PD1173C BOTTOM FOIL SIDE ...

Page 36: ...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 37: ...apacitor values less 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 s...

Page 38: ...SR81 D840 D801 Q801 10A CONVERTER TRANS VOLTAGE 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 25V QA01 MICROPROCESSOR VIDEO INPUT 2 Q843 SW Q840 Q835 5V2 2A F470 T862 R883 D883 D884 Q404 H OUTPUT RED OUTPUT GREEN OUTPUT BLUE OUTPUT FBT T461 132V I 2 C BUS LINE POWER DEF UNIT LOW VERT AND ...

Page 39: ...a lent 47 k ohm ColorStream component video INPUT Y 1V p p 75 ohm PR 0 7 V p p 75 ohm PB 0 7 V p p 75 ohm AUDIO 150 mV rms 47 k ohm VIDEO AUDIO OUTPUT VIDEO 1 V p p 75 ohm negative sync AUDIO 150 mV rms 30 modulation equiva lent 4 7 k ohm VARIABLE AUDIO OUTPUT 0 300 mV rms 30 modulation equivalent 4 7 k ohm AUDIO CENTER CHANNEL INPUT 300 mV rms 30 modulation equivalent 10 k ohm DVI HDCP INPUT HDCP...

Page 40: ...TOSHIBA CORPORATION 1 1 SHIBAURA 1 CHOME MINATO KU TOKYO 105 8001 JAPAN ...