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Toshiba 34HX83, Руководство по обслуживанию

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Toshiba 34HX83 Скачать руководство пользователя страница 34

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37

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38

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LED  BOARD  PD1088-2

BOTTOM  (FOIL)  SIDE

AC-IN  BOARD  PD1091

BOTTOM  (FOIL)  SIDE

VERT  BOARD  PD1090

BOTTOM  (FOIL)  SIDE

IF  BOARD  PD1022B

BOTTOM  (FOIL)  SIDE

Содержание 34HX83

Страница 1: ...FILE NO 070 200333 SERVICE MANUAL COLOR TELEVISION N3WS Chassis 34HX83 TAC0321 ...

Страница 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 ...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 13: ... VIDEO 3 IN POWER Power indicator 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 MENU ANT 1 IN ANT OUT ANT 2 IN DV HDCP IN VIDEO 1 2 ColorStream HD 1 ColorStream HD 2 Video Audio OUT Va...

Страница 14: ...EW 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 Channel Numbers 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 ...

Страница 15: ...nually 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 depending on the function you want to perform 5 Repeat steps 1 4 for ...

Страница 16: ...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 ELECTROLYTIC 250V 22UF M 3A C467 24820123 PLASTIC FILM 630V 0 012UF J C468 24591823 PLASTIC FILM 50V 0 082UF J C469 24591122 PLASTIC FILM 50V 1200PF J C470 24766220 ELECTROLYT...

Страница 17: ...3 CERAMIC DISC 500V B 0 01UF K C810 24086062 ELECTROLYTIC 200V 1000UF M 3F C810A 23960136 ADHESIVE SILICONE TSE3843 W C811 24092583 CERAMIC DISC AC250V E 2200PF M C812 24092583 CERAMIC DISC AC250V E 2200PF M C815 24092591 CERAMIC DISC AC250V B 470PF K C817 24590102 PLASTIC FILM 50V 1000PF J C818 24539104 PLASTIC FILM 50V 0 1UF J C821 24794102 ELECTROLYTIC 16V 1000UF M C828 24503047 PLASTIC FILM 63...

Страница 18: ... 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 CA39 24105101 CERAMIC CHIP 50V CH 100PF J CA42 24109392 CERAMIC CHIP 50V B 3900PF K CA45 24105471 CERAMIC CHIP 5...

Страница 19: ... 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 CV12 24100104 CERAMIC CHIP 25V F 0 1UF Z CV13 24100104 CERAMIC CHIP 25V F 0 1UF Z CV14 24092621 CERAMIC CHIP 10V B 1UF K CV15 24100104 CERAMIC CHIP 25V F 0 1UF Z CV23 24794101 ELECTROLYTIC 16V 100UF M CV24 24...

Страница 20: ...76 24011471 CHIP METAL FILM 1 20W 470 OHM J R377 24366220 CARBON FILM 1 6W 22 OHM J R401 24011361 CHIP 1 20W 360 OHM J R402 24011103 CHIP METAL FILM 1 20W 10K OHM J R403 24011272 CHIP 1 20W 2 7K OHM J R405 24553682 OXIDE METAL FILM 1W 6 8K OHM J R409 24011102 CHIP METAL FILM 1 20W 1K OHM J R411 24366101 CARBON FILM 1 6W 100 OHM J R412 24323228 OXIDE METAL FILM 2W 0 22 OHM J R413 24011332 CHIP META...

Страница 21: ... 20W 47K OHM J R834 24366102 CARBON FILM 1 6W 1K OHM J R835 24366820 CARBON FILM 1 6W 82 OHM J R836 24011151 CHIP METAL FILM 1 20W 150 OHM J R837 24011220 CHIP METAL FILM 1 20W 22 OHM J R838 24011152 CHIP METAL FILM 1 20W 1 5K OHM J R840 24552562 OXIDE METAL FILM 1 2W 5 6K OHM J R841 24366102 CARBON FILM 1 6W 1K OHM J R842 24376563 CARB0N FILM 1 2W 56K OHM J R843 24376563 CARB0N FILM 1 2W 56K OHM ...

Страница 22: ...20W 4 7K OHM J R4403 24011471 CHIP METAL FILM 1 20W 470 OHM J R4405 24011102 CHIP METAL FILM 1 20W 1K OHM J R4406 24011103 CHIP METAL FILM 1 20W 10K OHM J R4410 24011103 CHIP METAL FILM 1 20W 10K OHM J R4413 24011561 CHIP METAL FILM 1 20W 560 OHM J R4422 24011101 CHIP METAL FILM 1 20W 100 OHM J R4425 24011472 CHIP METAL FILM 1 20W 4 7K OHM J R4461 24011102 CHIP METAL FILM 1 20W 1K OHM J R4471 2401...

Страница 23: ... OHM J RB64 24011332 CHIP METAL FILM 1 20W 3 3K OHM J RB65 24011392 CHIP METAL FILM 1 20W 3 9K OHM J RB81 24011122 CHIP METAL FILM 1 20W 1 2K OHM J RB82 24011123 CHIP METAL FILM 1 20W 12K OHM J RB83 24011123 CHIP METAL FILM 1 20W 12K OHM J RB84 24011562 CHIP METAL FILM 1 20W 5 6K OHM J RB90 24011392 CHIP METAL FILM 1 20W 3 9K OHM J RB91 24011473 CHIP METAL FILM 1 20W 47K OHM J RB92 24011271 CHIP M...

Страница 24: ...1 20W 100 OHM J RS62 24011101 CHIP METAL FILM 1 20W 100 OHM J RS63 24011102 CHIP METAL FILM 1 20W 1K OHM J RS64 24011393 CHIP METAL FILM 1 20W 39K OHM J RS65 24011563 CHIP METAL FILM 1 20W 56K OHM J RS66 24011393 CHIP METAL FILM 1 20W 39K OHM J RS67 24011563 CHIP METAL FILM 1 20W 56K OHM J RS101 24011103 CHIP METAL FILM 1 20W 10K OHM J RS102 24011103 CHIP METAL FILM 1 20W 10K OHM J RS103 24011103 ...

Страница 25: ... 2K OHM J RY526 24011222 CHIP METAL FILM 1 20W 2 2K OHM J RY527 24011222 CHIP METAL FILM 1 20W 2 2K OHM J RY528 24011222 CHIP METAL FILM 1 20W 2 2K OHM J RY529 24011102 CHIP METAL FILM 1 20W 1K OHM J RY532 24011101 CHIP METAL FILM 1 20W 100 OHM J RY533 24000445 CHIP JUMPER 1608TYPE RY534 24000445 CHIP JUMPER 1608TYPE RY541 24011682 CHIP METAL FILM 1 20W 6 8K OHM J RY542 24011392 CHIP METAL FILM 1 ...

Страница 26: ...120M LY102 23103827 INDUCTOR BEAD TEM2120M LY103 23103230 INDUCTOR BEAD TEM2134AD LY104 23246219 COIL CHIP INDUCTOR TRF4150CG LY105 23246219 COIL CHIP INDUCTOR TRF4150CG LY112 23103230 INDUCTOR BEAD TEM2134AD LY113 23246398 COIL CHIP INDUCTOR 10MMH K COLTRF4100CV LY290 23103824 COIL FILTER TEM2028K LY291 23103824 COIL FILTER TEM2028K LY292 23103824 COIL FILTER TEM2028K LY501 23246398 COIL CHIP IND...

Страница 27: ...2SC4081 Q QA72 23314993 TRANSISTOR 2SC4081 Q QA80 23906295 IC UPC29M33HB QA81 70200563 IC RESET VS 2 9V PST9129 QB03 23114498 TRANSISTOR RN1405 QB05 23314993 TRANSISTOR 2SC4081 Q QB11 23114528 TRANSISTOR 2SC1740S QB14 23314993 TRANSISTOR 2SC4081 Q QB15 23314993 TRANSISTOR 2SC4081 Q QB30 23314965 TRANSISTOR KTC3198 Y QB44 23314994 TRANSISTOR 2SA1576A106 QB45 23314993 TRANSISTOR 2SC4081 Q QB55 23314...

Страница 28: ...DE 1SS355 D704 23118859 DIODE 1SS133 D705 23118859 DIODE 1SS133 D715 23118859 DIODE 1SS133 D721 23118859 DIODE 1SS133 D801 23316393 DIODE VRM 600V IO 6A SIP D5SB60 4009 F05 D801B 70391356 SCREW BITTB3X10 SZN D834 23316269 DIODE AK04 D835 23316637 DIODE SCHOTTKY FMB G14L D835B 70391355 SCREW BIND HEAD TAP TITE B BITTB 3X8 SZN D837 23316678 DIODE ZENER MTZJ6 8B D840 23357207 DIODE LN1WBA60 D841 2331...

Страница 29: ...921 M 100V 1200PF J G500 23289470 COIL PEAKING TRF4470AF G883 23118631 DIODE ZENER RD3 3ESA B2 G908 24366560 CARBON FILM 1 6W 56 OHM J G914 23118859 DIODE 1SS133 G915 23118859 DIODE 1SS133 G923 24366560 CARBON FILM 1 6W 56 OHM J G924 23118859 DIODE 1SS133 G925 23118859 DIODE 1SS133 G941 24366560 CARBON FILM 1 6W 56 OHM J G947 23118859 DIODE 1SS133 G948 23118859 DIODE 1SS133 G951 24366102 CARBON FI...

Страница 30: ...E 03DVI MODULE PD0647 UZ01 23148087 SCAN CONVERTER MODULE MVPU41B G HYPER V901A 23902824 SOCKET CRT 10P W661 23351121 SPEAKER SPK1385 80X120 8 OHM 10W W662 23351121 SPEAKER SPK1385 80X120 8 OHM 10W W663 23351194 SPEAKER SPK1392BO X401 23153721 CERAMIC RESONATOR 503KHZ X4402 23153721 CERAMIC RESONATOR 503KHZ XA01 23153533 CERAMIC RESONATOR CERA RESO TCR1082AM XY501 23153961 CRYSTAL 3 58MHZ XY502 23...

Страница 31: ... 31 32 SIGNAL BOARD PD1086C BOTTOM FOIL SIDE ...

Страница 32: ... 33 34 POWER DEF BOARD PD1087 BOTTOM FOIL SIDE ...

Страница 33: ... 35 36 CONT BOARD PD1088 1 BOTTOM FOIL SIDE ...

Страница 34: ... 37 38 LED BOARD PD1088 2 BOTTOM FOIL SIDE AC IN BOARD PD1091 BOTTOM FOIL SIDE VERT BOARD PD1090 BOTTOM FOIL SIDE IF BOARD PD1022B BOTTOM FOIL SIDE ...

Страница 35: ... 39 CRT D SVM BOARD PD1089 BOTTOM FOIL SIDE ...

Страница 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 ...

Страница 37: ...pacitor 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 si...

Страница 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 ...

Страница 39: ...va 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 HDC...

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

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