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SERVICE MANUAL

Color Television

34HF84

(TAC0404)

N4WS Chassis

FILE NO. 020-200406

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Summary of Contents for 34HF84

Page 1: ...SERVICE MANUAL Color Television 34HF84 TAC0404 N4WS Chassis FILE NO 020 200406 ...

Page 2: ...DJUSTMENTS 8 CIRCUIT CHECKS 10 CHAPTER 2 SPECIFIC INFORMATIONS SETTING ADJUSTING DATA 11 LOCATION OF CONTROLS 12 ADDING CHANNELS TO THE TV S MEMORY 14 CHASSIS AND CABINET REPLACEMENT PARTS LIST 15 PC BOARDS BOTTOM VIEW 24 TERMINAL VIEW OF TRANSISTORS 34 CIRCUIT BLOCK DIAGRAM 37 SPECIFICATIONS END APPENDIX CIRCUIT DIAGRAM ...

Page 3: ...ding 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 before an...

Page 4: ... 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 being luck 8...

Page 5: ...e 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 green blue Red green blue Red green blue Adjust VR 3 YV and minimize the deviation of YV Red blue green Red blue green Red blue green Red blue green...

Page 6: ...ollowing key entry during display of adjustment menu provides special functions Screen adjustment mode ON OFF TV ANT VIDEO button on TV Selection of the adjustment items Channel on TV or Remote Change of the data value Volume on TV or Remote Adjustment menu mode ON OFF MENU button on TV Initialization of the memory QA02 RECALL Channel button on TV Initialization of the self diagnostic data RECALL ...

Page 7: ...r OPT Part number of HDMI microprocessor HDMI error code 4 SELECTING THE ADJUSTING ITEMS 1 Every pressing of CHANNEL button in the service mode changes the adjustment items in the order of table 2 button for reverse order Refer to table 2 for preset data of adjustment mode See SETTING ADJUSTING DATA on page 11 5 ADJUSTING THE DATA 1 Pressing of VOLUME or button will change the value of data in the...

Page 8: ...e item HIT HEIGHT 2 Adjust the CONTRAST control to the mini mum 3 Call up the adjustment mode display then select the item BRTC 4 Press the VOLUME or button so the belt of vertical retrace line just disappear 5 Adjust the CONTRAST control for the de sired contrast 6 Perform the HEIGHT adjustment ITEM ADJUSTMENT PROCEDURE WIDTH WID 1 Call up the adjustment mode display then select the item WID 2 Pr...

Page 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 Press the T...

Page 10: ...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 temporarily turn...

Page 11: ...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 46H 2FH Preset 12H 3DH 15H 17H 3CH 4CH 10H 10H LIN WID PARA CNR TRAP HPOS TCNR BTNR V LINEARITY PICTURE WIDTH E W PARABOLA EW M CORRECTION EW TRAPEZIUM H POSITION EW TOP CORNER EW BOTTOM COR BRTC BRI...

Page 12: ...IN Front Video 3 Video audio inputs behind the door MENU TV VIDEO Volume x POWER Power indicator Channel zy MENU x zy Remote sensor Using the TV s Features Appendix Index Back Variable Audio OUT ANT 1 IN ANT OUT ANT 2 IN VIDEO 1 2 ColorStream HD1 HD2 Audio OUT HDMI IN LOCATION OF CONTROLS TV Front TV Rear ...

Page 13: ...00 0 POWER RECALL CHRTN FAV FAV TV VIDEO 10 P I C S I Z E E X I T INFO STOP POP DIRECT CH MUTE SLEEP TV VCR PAUSE FF REW SKIP SEARCH SPLIT SWAP POP CH LIGHT REC CH SCAN FREEZE SOURCE PLAY TV CBL SAT VCR DVD VOL CH F A V O R I T E ENTER DVDMENU MENU T O P M ENU GUID E CLE A R E N T ER FF y 10 DVD only TOP MENU DVD only ENTER Device Switch TV VCR VCR only REW REC VCR only Remote Control ...

Page 14: ...emory While the TV is cycling through the channels the mes sage Programming Now Please Wait appears When channel programming is complete the message Completed appears Press Channel or to view the programmed channels When you press Channel or your TV will stop only on the channels stored in the TV s channel memory Follow the steps below and on the next page to program all active channels into the T...

Page 15: ... 0 1UF K C320 24667101 ELECTROLYTIC CE04Q 25V 100UF M 3A C322 24539105 PLASTIC FILM 50V 1UF J C323 24539684 PLASTIC FILM 50V 0 68UF J C325 24591203 PLASTIC FILM 50V 0 02UF J C326 24669010 ELECTROLYTIC 50V 1UF M 3A C327 24073041 ELECTROLYTIC 16V 470UF M 3A C329 24503334 PLASTIC FILM CF92 T 250V 1R5UF J C330 24539105 PLASTIC FILM 50V 1UF J C332 24109473 CERAMIC CHIP 25V B 0 047UF K C333 24108330 CER...

Page 16: ...34100 CERAMIC DISC 500V SL 10PF D C899 24214471 CERAMIC DISC 500V B 470PF K C901 24503507 PLASTIC FILM AC275V 0 22UF K C902 24092353 CERAMIC DISC 2KV 4700PF K C904 24436471 CERAMIC DISC 50V SL 470PF J C905 24436391 CERAMIC DISC 50V SL 390PF J C907 24436561 CERAMIC DISC 50V SL 560PF J C909 24679220 ELECTROLYTIC 250V 22UF M 3A C910 24669478 ELECTROLYTIC 50V 0 47UF M 3A C911 24203100 ELECTORLYTIC 16V...

Page 17: ...20W 82K OHM J R318 24011101 CHIP METAL FILM 1 20W 100 OHM J R319 24011101 CHIP METAL FILM 1 20W 100 OHM J R320 24011101 CHIP METAL FILM 1 20W 100 OHM J R321 24011224 CHIP METAL FILM 1 20W 220K OHM J R322 24011274 CHIP 1 20W 270K OHM J R324 24011394 CHIP 1 20W 390K OHM J R327 24338159 OXIDE METAL FILM 1W 1 5 OHM J R328 24338159 OXIDE METAL FILM 1W 1 5 OHM J R329 24011103 CHIP METAL FILM 1 20W 10K O...

Page 18: ...2 J R814 24366102 CARBON FILM 1 6W 1K OHM J R818 24007723 CEMENT 15W 27 J R820 24004942 METAL FILM 1W 0 1 OHM J R821 24381330 OXIDE FILM 1 2W 33 J R823 24366102 CARBON FILM 1 6W 1K OHM J R829 24004942 METAL FILM 1W 0 1 OHM J R832 24339568 OXIDE METAL FILM 2W 0 56 OHM J R834 24011222 CHIP METAL FILM 1 20W 2 2K OHM J R835 24552471 OXIDE METAL FILM 1 2W 470 OHM J R840 24552562 OXIDE METAL FILM 1 2W 5...

Page 19: ... RC07 24011102 CHIP METAL FILM 1 20W 1K OHM J RC08 24011102 CHIP METAL FILM 1 20W 1K OHM J RC09 24011102 CHIP METAL FILM 1 20W 1K OHM J RC10 24011102 CHIP METAL FILM 1 20W 1K OHM J RC11 24000445 CHIP JUMPER 1608TYPE RC12 24000445 CHIP JUMPER 1608TYPE RJ01 24000633 METAL FILM 1 4W 10K OHM F RJ02 24000356 METAL FILM 1 4W 820 OHM F RJ03 24366512 CARBON FILM 1 6W 5 1K OHM J RJ05 24310159 OXIDE METAL F...

Page 20: ...ILM 1 20W 100 OHM J RV603 24011471 CHIP METAL FILM 1 20W 470 OHM J RV701 24011104 CHIP METAL FILM 1 20W 100K OHM J RV702 24011104 CHIP METAL FILM 1 20W 100K OHM J RV761 24011104 CHIP METAL FILM 1 20W 100K OHM J RV762 24011104 CHIP METAL FILM 1 20W 100K OHM J RY160 24011471 CHIP METAL FILM 1 20W 470 OHM J COIL TRANSFORMERS L101 23289845 COIL PEAKING TRF4680AT L103 23289844 COIL PEAKING TRF4470AT L1...

Page 21: ... Y Q903 23314780 TRANSISTOR 2SC4544 Q904 23114433 TRANSISTOR 2SC1815 Y Q905 23314780 TRANSISTOR 2SC4544 Q906 23114433 TRANSISTOR 2SC1815 Y Q907 23114735 TRANSISTOR 2SA102 Y C Q908 23114429 TRANSISTOR 2SC2120 Y TE 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 Q4021 ...

Page 22: ...DIODE SC215 DB31 23118859 DIODE 1SS133 U002 23118859 DIODE 1SS133 UA02 DB36 23118529 DIODE ZENER RD5 6ES B2 DB37 23118529 DIODE ZENER RD5 6ES B2 DV70 23316591 DIODE ZENER MA8100 M DV76 23316591 DIODE ZENER MA8100 M KB01 23000852 IC REMOTE PHOTO RECEIVER PIC 37043TE2 MISCELLANEOUS B110 23940020 PIECE BACK TERMINAL BOARD 34H 34HF84 B112 23940059 PIECE COVER BTB 34HF84 B251 23845859 HOLDER WIRE PVC C...

Page 23: ...430B 70391355 SCREW BIND HEAD TAP TITE B BITTB 3X8 SZN Q670B 70391355 SCREW BIND HEAD TAP TITE B BITTB 3X8 SZN Q831B 70391355 SCREW BIND HEAD TAP TITE B BITTB 3X8 SZN Q832B 70391355 SCREW BIND HEAD TAP TITE B BITTB 3X8 SZN Q833B 70391355 SCREW BIND HEAD TAP TITE B BITTB 3X8 SZN Q834B 70391355 SCREW BIND HEAD TAP TITE B BITTB 3X8 SZN QJ02B 70391355 SCREW BIND HEAD TAP TITE B BITTB 3X8 SZN SA01 2314...

Page 24: ...4 R482 Q484 R319 R320 C886 R4620 R4670 R4630 L889 R465 Q486 D891 RB32 D484 Q4466 D481 C326 Q4464 R474 D892 R368 R367 C462 P701A P450B C466 D469 BB02A Q460 Q374 R4562 R398 Q393 R4563 R3380 D373 R394 R4691 Q391 R332 C4690 C335 R331 R334 Q301 C470 Q4690 R4310 R387 R376 C332 C336 R373 Q373 R4692 R3903 R338 Q392 R386 R4701 C393 C315 R337 R4702 C469 C3940 R324 C362 C477 R3990 R4461 R4772 C314 R392 R3904...

Page 25: ...B E E 23547569 210 209 211 TCI A7S D PP01 RV101 RV100 LV100 RV102 CV101 RV103 PV02 CV100 PJ01B CV102 PP02 SA04 SA03 RA73 SA01 SA02 RJ04 RA71 CJ02 SA07 QJ02A QJ02 RJ02 RA76 RA72 CJ03 SA06 RA77 RJ05 SA05 PB01A QB11 BB07A RB11 RB12 BB08A PP03 RJ09 RJ06 QJ03 CJ06 RJ10 CJ05 RJ03 CJ04 PJ901 RJ08 RJ07 CJ01 RJ01 26 27 ...

Page 26: ...1 D671 C694 GRS02 CS06 C676 C696 R666 Q831 C8349 C8350 C8348 Q838 Q832A Q832 Q613 D880 Q834 R832 C834 L8312 CC02 R616 R615 D612 D614 RC03 C8351 C8341 C613 C8355 C8344 C8353 C8342 Q834A L8311 R612 C8347 Q831A CS20 PV16 RS22 CS25 RS20 QS10 CS22 RV484 CV481 RV483 RS57 RV482 LY105 CV482 RY160 C101 CV483 GJ108 PF03 CY105 PV12A P803B GJ107 QV48 QS04 RS21 RS74 RV481 PV12 RS73 CY160 QS08 RS75 RS34 CS31 QS...

Page 27: ...4 C676 RS50 C696 RS49 JP031 JP009 Q670AZ JP006 JP004 JP008 JP029 L104 QV58 RV79 RV46 QV55 RV17 TP 12 LV03 QV60 DV25 DV27 CV01 LY102 RV561 RV502 RV601 RV562 RV02 QV01 RV522 RV45 RV31 CV29 RV541 LY103 RV602 HY01 DV69 DV31 CV21 LV51 RV503 DV35 DV02 RV15 CV37 RV563 LY101 RV591 RV603 RV543 LV52 RV081 LV05 RV511 RV021 DV08 RV523 QV56 RV37 CV17 DV71 RV25 RV70 CV27 RV33 CV15 DV29 QV51 RV27 L101 RV553 QV52...

Page 28: ...4 2 C723 G910 R730 P703B C912 R731 P701B Q706 R950 R734 R993 R715 D943 R716 R742 D942 R724 R717 Q719 C909 R994 P900 R964 C714 C930 C707 Q709 L911 C902 D941 D911 R732 R722 R992 D715 D946 C712 R702 R721 R719 C705 C715 R961 C713 C716 C722 R709 C717 Q705 D721 C704 L706 P905 Q710 R723 Q707 R718 C931 B 3 1 E B E A G1 G2 KG B B B E E 3 2 1 A E B 2 E B C942 R997 Q917 R949 B C919 B R920 D933 L907 R954 R995...

Page 29: ...788 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 30: ... 000 000 All resistors are 1 6W and 5 tolerance carbon resistor unless otherwise noted as the following marks 1 2R Metal or Metal oxide of 1 2 watt 1 2S Carbon compsistion of 1 2 watt 1RF Fuse resistor of 1 watt 10W Cement of 10 watt K 10 G 2 F 1 2 CAPACITOR Unless otherwise noted in schematic all capacitor values less than 1 are expressed in µF and the values more than 1 in pF All capacitors are ...

Page 31: ... 6 8 SHEET 6 8 7 8 SHEET 7 8 8 8 SHEET 8 8 G Hyper 1 3 SHEET 1 3 2 3 SHEET 2 3 3 3 SHEET 3 3 AD CONVERTER A SHEET 1 3 B SHEET 2 3 C SHEET 3 3 TC90A92A 1 TC90A92A 2 GC REG TC90A92A 3 GNESIS 1 3 SHEET 1 3 2 3 SHEET 2 3 3 3 SHEET 3 3 SDRAM Gm6010 GNESIS OUT GNESIS REG CPU PIP Color Dec 1 3 SHEET 1 3 2 3 SHEET 2 3 3 3 SHEET 3 3 Connector 1 3 SHEET 1 3 2 3 SHEET 2 3 3 3 SHEET 3 3 AV_Terminal BANKAN SHE...

Page 32: ... TA1360AFG Pb Pr Y Ys Ym R G B BUS1 BUS2 V_OUT_BLK V_STOP_BLK AFC ABL H_PHA_COM ABL_SW H_OUT VP NEW QS01 MM1631AJBE HYPER SIGNAL board HDMI module Y Pb Pr Y Pb Pr HDMI Analog_Audio NEW QY501 TA1383 QY100 TC90A45 F V Y C Cb Cr V V Y V Y C Cb Cr V Y C Cb Cr Y Cb Cr HD VD Y Cb Cr HD VD Y Cb Cr HD V Y C Cb Cr IN1 TV1 IN2 TV2 IN3 E1 IN4 E2 IN5 E3 IN6 CS1 IN7 CS2 HDMI O1 OUT2 MON L R L R OUT1 SPK L R L ...

Page 33: ... Micon Circuit SR81 Degauss Relay Deviation Circuit Audio Circuit Signal Processing Circuit Signal Processing Circuit Signal Processing Circuit Signal Processing Circuit Q832 9VRegulator Q831 5V 2Regulator Q838 3 3V2Regulator Q833 5V 3Regulator Q834 5V 4Regulator 5V 1 CIRCUIT BLOCK DIAGRAM POWER SUPPLY ...

Page 34: ... V p p 75 ohms AUDIO 150 mV rms 22 k ohms or more VIDEO AUDIO OUTPUT VIDEO 1 V p p 75 ohms negative sync AUDIO 150 mV rms 30 modulation equivalent 2 2 k ohms or less VARIABLE AUDIO OUTPUT 0 300 mV rms 30 modulation equivalent 2 2 k ohms or less Specifications Design and specifications are subject to change without notice Video Audio Terminals cont HDMI INPUT HDMI 1 1 type A compliant HDCP 1 1 comp...

Page 35: ...TOSHIBA CORPORATION 1 1 SHIBAURA 1 CHOME MINATO KU TOKYO 105 8001 JAPAN ...

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