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GENERAL ADJUSTMENTS

TABLE OF CONTENTS

CHAPTER 1

GENERAL ADJUSTMENTS

SAFETY INSTRUCTIONS ........................................................................................................................................ 3

SET-UP ADJUSTMENT ............................................................................................................................................ 4

SERVICE MODE ...................................................................................................................................................... 6

ELECTRICAL 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

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Содержание 34HF83

Страница 1: ...FILE NO 070 200307 SERVICE MANUAL COLOR TELEVISION N3WS Chassis 34HF83 PUBLISHED IN JAPAN May 2003 So TAC0322 ...

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: ...UF M C449 24667102 ELECTROLYTIC 25V 1000UF M 3A 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 ELECTROLYTIC 250V 22UF M 3A C467 24820123 PLASTIC FILM 630V 0 012UF J C468 24591823 PLASTIC FI...

Страница 17: ...MIC 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 63V 0 33...

Страница 18: ... CHIP 50V B 3900PF K CA45 24105471 CERAMIC CHIP 50V CH 470PF J CA46 24105471 CERAMIC CHIP 50V CH 470PF J CA49 24105101 CERAMIC CHIP 50V CH 100PF J CA52 24109103 CERAMIC CHIP 50V B 0 01UF K CA54 24092730 CERAMIC CHIP 16V B 0 1UF K CA55 24105101 CERAMIC CHIP 50V CH 100PF J CA59 24105101 CERAMIC CHIP 50V CH 100PF J CA60 24105101 CERAMIC CHIP 50V CH 100PF J CA61 24666220 ELECTROLYTIC 16V 22UF M 3A CA6...

Страница 19: ...F 0 1UF Z CV38 24109102 CERAMIC CHIP 50V B 1000PF K CV39 24109102 CERAMIC CHIP 50V B 1000PF K CV40 24794101 ELECTROLYTIC 16V 100UF M CV42 24100104 CERAMIC CHIP 25V F 0 1UF Z CV45 24092621 CERAMIC CHIP 10V B 1UF K CV46 24092621 CERAMIC CHIP 10V B 1UF K CV47 24092621 CERAMIC CHIP 10V B 1UF K CV64 24794471 ELECTROLYTIC 16V 470UF M CV65 24794101 ELECTROLYTIC 16V 100UF M CV66 24100104 CERAMIC CHIP 25V ...

Страница 20: ...3228 OXIDE METAL FILM 2W 0 22 OHM J R413 24011182 CHIP METAL FILM 1 20W 1 8K OHM J R415 24383271 OXIDE METAL FILM 2W 270 OHM J R416 24383680 OXIDE METAL FILM 2W 68 OHM J R422 24011472 CHIP METAL FILM 1 20W 4 7K OHM J R423 24011103 CHIP METAL FILM 1 20W 10K OHM J R424 24011272 CHIP METAL FILM 1 20W 2 7K OHM J R425 24011102 CHIP METAL FILM 1 20W 1K OHM J R426 24366222 CARBON FILM 1 6W 2 2K OHM J R42...

Страница 21: ...HM 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 J R844 24366103 CARBON FILM 1 6W 10K OHM J R844 24323568 OXIDE METAL FILM 2W 0 56 OHM J R845 24011182 CHIP METAL FILM 1 20W 1 8K OHM J R...

Страница 22: ... METAL FILM 1 20W 100 OHM J R4111 24019259 FUSIBLE 1 4W 27 OHM G R4310 24011183 CHIP METAL FILM 1 20W 18K OHM J R4401 24011302 CHIP METAL FILM 1 20W 3K 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 24...

Страница 23: ...P METAL FILM 1 20W 10K 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 ...

Страница 24: ... 6K OHM J RS61 24011101 CHIP METAL FILM 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 ME...

Страница 25: ...1 2K OHM J RY524 24011681 CHIP METAL FILM 1 20W 680 OHM J RY525 24011222 CHIP METAL FILM 1 20W 2 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 J...

Страница 26: ...EM2030AA LV260 23103159 FILTER EMI TEM2028AA 7 5X6 4X8 60MMH 0 5A LV261 23103159 FILTER EMI TEM2028AA 7 5X6 4X8 60MMH 0 5A LV262 23103159 FILTER EMI TEM2028AA 7 5X6 4X8 60MMH 0 5A LV270 23103146 EMI FILTER TEM2030AA LV271 23289840 COIL PEAKING TRF4100AT LY100 23246223 COIL CHIP INDUCTOR TRF4330CG LY101 23103827 INDUCTOR BEAD TEM2120M LY102 23103827 INDUCTOR BEAD TEM2120M LY104 23246219 COIL CHIP I...

Страница 27: ...OR 2SA1980 Y BU Q4460 23314993 TRANSISTOR 2SC4081 Q Q4461 23314993 TRANSISTOR 2SC4081 Q Q4501 23906335 IC TA1270AF J Q4690 23314204 TRANSISTOR 2SC2412K Q Q4703 23314994 TRANSISTOR 2SA1576A106 Q4819 23205085 TRANSISTOR 2SC5343 Y BUL QA01 23009506 IC MCU 1CHIP 16BIT 4M 64P MN102H85KFK QA02 23009330 IC AT24C64 10PI 2 7 QA14 23205045 TRANSISTOR 2SA1037AKQ QA70 23319935 IC MM1096BS QA71 23314993 TRANSI...

Страница 28: ... ZENER RD2 0ESA B2 D522 23316231 DIODE 1SS355 D523 23316231 DIODE 1SS355 D535 23316591 DIODE ZENER MA8100 M D601 23316231 DIODE 1SS355 D602 23316231 DIODE 1SS355 D603 23316231 DIODE 1SS355 D604 23316231 DIODE 1SS355 D607 23118262 DIODE ZENER RD33MD D611 23316231 DIODE 1SS355 D612 23118131 DIODE 1SS193 D613 23316231 DIODE 1SS355 D614 23316231 DIODE 1SS355 D615 23316231 DIODE 1SS355 D616 23316231 DI...

Страница 29: ... FUSE CARTRIDGE 125V 10A F801A 23165433 FUSE HOLDER 5 2 SOC F801B 23165433 FUSE HOLDER 5 2 SOC F840 23144581 FUSE AXIAL 125V 200MA F860 23144456 FUSE AXIAL 125V 5 0A F889 23144681 FUSE CARTRIDGE 5X20 125V 4 0A F889A 23165433 FUSE HOLDER 5 2 SOC F889B 23165433 FUSE HOLDER 5 2 SOC G101 24011151 CHIP METAL FILM 1 20W 150 OHM J G102 24011151 CHIP METAL FILM 1 20W 150 OHM J G400 24946561 CARBON COMPOSI...

Страница 30: ... 23788431 SIGNAL BOARD PD1086 U002 23788432 POWER DEF BOARD PD1087 U004 23788710 CRT D SVM BOARD PD1173B U005 23788434 VERT BOARD PD1090 U006 23788435 AC IN BOARD PD1091 U007 23788649 IF BOARD PD1022B UA01 23788436 CONT BOARD PD1088 1 UA02 23788437 LED BOARD PD1088 2 PICTURE TUBE V901 23324045 PICTURE TUBE 34VPFW RAC V2 W86LTQ350X V2 TUNER H001 23321470 TUNER US181CH IIC PH 5V SANYO ELA52LX4 HY01 ...

Страница 31: ... 31 32 SIGNAL BOARD PD1086 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 PD1173B 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: ...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...

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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