Toshiba 36AF61 Service Manual Download

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TOSHIBA CORPORATION

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

FILE NO. 020-200110

SERVICE MANUAL

COLOR TELEVISION

N1F Chassis

36AF61

(TAC0120)

PUBLISHED IN JAPAN.

Jul., 2001

Summary of Contents for 36AF61

Page 1: ...TOSHIBA CORPORATION 1 1 SHIBAURA 1 CHOME MINATO KU TOKYO 105 8001 JAPAN FILE NO 020 200110 SERVICE MANUAL COLOR TELEVISION N1F Chassis 36AF61 TAC0120 PUBLISHED IN JAPAN Jul 2001 So ...

Page 2: ...ODE 8 DESIGN MODE 11 ELECTRICAL ADJUSTMENT 12 CIRCUIT CHECKS 16 CHAPTER 2 SPECIFIC INFORMATIONS SETTING ADJUSTING DATA 17 LOCATION OF CONTROLS 18 PROGRAMMING CHANNEL MEMORY 20 CIRCUIT BLOCK DIAGRAM 21 CHASSIS AND CABINET REPLACEMENT PARTS LIST 22 PC BOARDS BOTTOM VIEW 33 TERMINAL VIEW OF TRANSISTORS 41 SPECIFICATIONS 43 APPENDIX CIRCUIT DIAGRAM ...

Page 3: ... 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 any serv ic...

Page 4: ...SS CLOTH TAPES DEFLECTION YOKE TEMPORARY MOUNTING RUBBER WEDGE ADHESIVE DEFLECTION YOKE PURITY CONVERGENCE MAGNET ASS Y 14mm 13 14 19mm 19 20 Figure 1 COLOR PURITY ADJUSTMENT NOTE Before attempting any purity adjustments the receiver should be operated for at least fifteen minutes 1 Demagnetize the picture tube and cabinet using a degauss ing coil 2 Set the brightness and contrast to maximum 3 Use...

Page 5: ...1 Do not remove cover paper on adhesive part of the wedge 3 Tilt front of the deflection yoke up or down to obtain better convergence in circumference See figure 3 Push the mounted wedge into the space between picture tube and the yoke to fix the yoke temporarily 4 Put other wedge into bottom space and remove the cover paper to stick 5 Tilt front of the yoke right or left to obtain better conver g...

Page 6: ...AST 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 3 around the neck of the picture tube until th...

Page 7: ...ing the CENTER CONVERGENCE AD JUSTMENT tighten the tightening ring to fix the mag nets Figure 4 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 ...

Page 8: ...splay of adjustment menu provides 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 RECALL Channel button on TV s Initialization...

Page 9: ...ture 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 has been replaced 7 TEST SIGNAL SELECTION 1 Every pressing of TV VIDEO button on the Remote Control in the Service mode changes the built in test patterns on screen in the following order Normal picture Black cross bar on gre...

Page 10: ...ion circuit current limiter 000 is normal BUS line check OK Normal NG SCL GND or SAD GND 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 indicated The order of prior...

Page 11: ...de changes the adjustment items in the order of table 3 s button for reverse order Refer to table 3 for data of design mode See SETTING ADJUSTING DATA on page 17 3 ADJUSTING THE DATA Pressing of VOLUME s or t button will change the value of data When QA02 is initialized items OPT0 OPT1 and OPT2 of DESIGN MODE are set to the data of the representative model of this chassis family Therefore because ...

Page 12: ... the RESET button 3 Connect oscilloscope to base of Q906 on CRT D board 4 Enter the service mode then select COLC 5 Adjust the SUB COLOR by pressing the VOLUME s or t button to achieve about 1V0 p of blue bar 6 Select TNTC register 7 Adjust the data value to obtain the blue bar to magenta bar ratio of 3 2 as shown 8 Select COLC register 9 Adjust the data value to achieve 1 8V0 p of blue bar on sco...

Page 13: ...imum 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 item with the CHANNEL s t and VOLUME s t buttons 4 Press the TV VIDEO button on TV to display a single horizontal line on the screen 5 Turn the SCREEN control FBT fully counterclockwise and gradually rotate clockwise until the first horiz...

Page 14: ...omes in the center of range for STA3 1 SAP FILTER SAPF 4 88kHz 110mVrms pin 9 of H002 Monaural signal ANT 1 Display item SAPF 2 Change data by Volume s t buttons so that the data becomes in the center of range for STA4 1 SAVC STA7 0 STA8 1 88H STRF STA3 1 16H SAPF 98H STA4 1 ATTENUATOR ATT 5 1kHz 30 mod ANT terminal 1 Connect rms meter to pin 12 of H002 2 Display item ATT on screen 3 Change data b...

Page 15: ...nnect oscilloscope to pin 34 of QG01 4 Change data by VOLUME s t button to minimize AC output level on scope 5 Resolder SL02 H001 QG01 SL02 CG44 RG44 CG07 15 734KHz 30mV rms RG43 10 7 1 STEREO 300Hz R channel only ANT 1 Display item WBAN on screen 2 Connect oscilloscope to pin 35 of QG01 3 Change data by VOLUME s t buttons so that 300Hz element on scope becomes minimum STEREO 3kHz R channel only A...

Page 16: ...TNESS and CON TRAST controls to minimum zero beam current 3 High voltage must be measured below B kV Refer to table 1 for high voltage B See SETTING ADJUSTING DATA on page 17 4 Vary the BRIGHTNESS control to both extremes to be sure the high voltage does not exceed the limit under any con ditions FS CIRCUIT CHECK The Fail Safe FS circuit check is indispensable for the final check in servicing Chec...

Page 17: ...e 2 DESIGN MODE ADJUSTING ITEMS AND DATAS IN THE DESIGN MODE Item Name of adjustment Preset Data Data Remarks Table 3 CIRCUIT CHECKS Table 4 17H 02H OPT0 OPTION 0 20H 20H OPT1 OPTION 1 84H 04H OPT2 OPTION 2 01H 01H 36 HIGH VOLTAGE AT ZERO BEAM A 31 9kV MAX HIGH VOLTAGE B 34 1kV Item Name of adjustment Preset HIT LIN VSC VPS VCP WID DPC CNR TRAP HCP VFC PCOL PHUE PGOF PROF PBOF RGBB HEIGHT V LINEAR...

Page 18: ...OOR VIDEO MENU VOLUME CHANNEL POWER R L MONO S VIDEO COLOR STREAM INPUT VIDEO Y PB PM VIDEO1 AUDIO VIDEO2 R L MONO VIDEO OUT ANT2 ANT1 AUDIO R L AUDIO OUT DVD IN ANT 75Ω IN TV VIDEO LOCATION OF CONTROLS Front Rear TV VIDEO CHANNEL t s VOLUME T S POWER Remote sensor VIDEO 3 IN MENU DEMO ...

Page 19: ...CATE SWAP TV VCR REW FF STOP SOURCE FAV FAV C C A P T E X I T M E N U R E S E T 1 4 7 2 5 8 3 6 9 0 100 ENTER Remote Control LIGHT TV CABLE switch Set to TV to control the TV MUTE Channel Number C CAPT ENTER FAV t RESET PIP CH t RECALL POWER TV VIDEO CHANNEL s t VOLUME s t PIP CH s FAV s EXIT PIP functions For TV and CABLE modes s t T S TIMER CH RTN MENU ...

Page 20: ...ant to erase using the CHAN NEL s or t button or select the channel you want to add using the Channel Number buttons 2 Press MENU then press S or T until the SET UP menu appears 3 Press t or s until ADD ERASE is highlighted 4 Press S or T To erase the channel Press the button until ERASE is highlighted To add the channel Press the button until ADD is highlighted 5 Repeat steps 1 to 4 for other cha...

Page 21: ... 21 SPECIFIC INFORMATIONS QZ01 DIG Comb ZY01 PIP Module CIRCUIT BLOCK DIAGRAM ...

Page 22: ...24666100 ELECTROLYTIC 10V 10UF M 3A C393 24666100 ELECTROLYTIC 10V 10UF M 3A C396 24082825 PLASTIC FILM CF92 T 1800VH 1800PF H C399 24085981 CE04J 16V 10UF M 11L NP C400 24503041 MT PLA CAP 63V 0 1UF J C403 24591103 PLASTIC FILM 50V 0 01MF J C404 24797010 ELECTROLYTIC CE04G 50V 1 0UF M C407 24503041 MT PLA CAP 63V 0 1UF J C408 24591273 PLASTIC FILM 50V 0 027MF J C409 24763221 ELECTROLYTIC 16V 220U...

Page 23: ...818 24082402 PLASTIC FILM 1250VH 2200PF H C821 24214471 CERAMIC DISK CK45 B 500V 470PF K C822 24503041 MT PLA CAP 63V 0 1UF J C823 24212471 CERAMIC DISK CK45 B 50V 470PF K C829 24591681 PLASTIC FILM CQ921 M 50V 680PF J C832 24794470 ELECTORLYTIC CE04G 16V 47UF M C840 24795221 ELECTROLYTIC CE04G 25V 220UF M C842 24792101 ELECTROLYTIC CE04G 6 3V 100UF M C843 24797479 ELECTROLYTIC CE04G 50V 4 7UF M C...

Page 24: ...E04G 16V 10UF M CV60 24763471 ELECTROLYTIC CE04G 16V 470UF M CV61 24762471 ELECTROLYTIC CE04G 10V 470UF M CZ03 24092743 CERAMIC CHIP CK73F 10V 470NF Z CZ05 24109103 CERAMIC CHIP CK73B 50V 10000PF K CZ07 24092730 CERAMIC CHIP 16V 0 1UF K CZ09 24105220 CERAMIC CHIP CC73CH 50V 22PF J CZ10 24105100 CERAMIC CHIP CC73CH 50V 10PF D CZ11 24105220 CERAMIC CHIP CC73CH 50V 22PF J CZ12 24109103 CERAMIC CHIP C...

Page 25: ... 24552820 OXIDE METAL FILM 1 2W 82 OHM J R487 24552301 OXIDE METAL FILM 1 2W 300 OHM J R488 24327183 METAL FILM 1 4W 18K OHM F R489 24327183 METAL FILM 1 4W 18K OHM F R490 24366102 CARBON FILM 1 6W 1K OHM J R493 24366102 CARBON FILM 1 6W 1K OHM J R494 24366471 CARBON F1LM 1 6W 470 OHM J R495 24366560 CARBON FILM 1 6W 56 OHM J R498 24510279 CERAMIC COVERED G 5W 2 7 J R501 24366333 CARBON FILM 1 6W ...

Page 26: ...24366472 CARBON FILM 1 6W 4 7K OHM J R976 24366102 CARBON FILM 1 6W 1K OHM J R977 24366122 CARBON FILM 1 6W 1 2K OHM J R978 24366102 CARBON FILM 1 6W 1K OHM J R979 24366102 CARBON FILM 1 6W 1K OHM J R980 24366471 CARBON F1LM 1 6W 470 OHM J R981 24366821 CARBON FILM 1 6W 820 OHM J R982 24366103 CARBON FILM 1 6W 10K OHM J R983 24366222 CARBON FILM 1 6W 2 2K OHM J R984 24367152 CARBON FILM 1 6W 1 5K ...

Page 27: ...ON FILM 1 6W 5 6K OHM J RG67 24366822 CARBON FILM 1 6W 8 2K OHM J RG68 24366152 CARBON FILM 1 6W 1 5K OHM J RG69 24366564 CARBON FILM 1 6W 560K OHM J RG70 24366102 CARBON FILM 1 6W 1K OHM J RG71 24366103 CARBON FILM 1 6W 10K OHM J RG80 24366103 CARBON FILM 1 6W 10K OHM J RJ01 24366103 CARBON FILM 1 6W 10K OHM J RJ02 24366102 CARBON FILM 1 6W 1K OHM J RJ04 24366102 CARBON FILM 1 6W 1K OHM J RJ05 24...

Page 28: ...7 COIL DG1 10CU T 2LOOP TSB 2407AK L902 23289101 COIL PEAKING TRF4101AF L903 23289101 COIL PEAKING TRF4101AF L904 23289101 COIL PEAKING TRF4101AF L905 23289390 COIL PEAKING TRF4390AF L906 23289390 COIL PEAKING TRF4390AF L907 23289390 COIL PEAKING TRF4390AF L908 23289100 COIL PEAKING TRF4100AF L910 23237991 COIL PEAKING TRF4479AC LA01 23289100 COIL PEAKING TRF4100AF LA28 23103775 COIL FERRITE CHOKE...

Page 29: ...98 Y QS61 23314965 TRANSISTOR KTC3198 Y QS62 23114466 TRANSISTOR RN2204 QS63 23114623 TRANSISTOR 2SC2878 A TEM QS64 23114623 TRANSISTOR 2SC2878 A TEM QS101 23904303 IC BA10358 QS106 23000529 IC SW 2IN 1OUT 3CIRCUIT 0 CLP MM1231XD QV01 23000369 IC MM1495XD QV02 23904943 IC MM1111XS QV05 23114461 TRANSISTOR RN1203 QV10 23114461 TRANSISTOR RN1203 QV11 23114437 TRANSISTOR 2SC752GTM Y QV60 23114433 TRA...

Page 30: ...23165433 FUSE HOLDER 5 2 SOC F801 23144745 FUSE 10 0A UL F801A 23165433 FUSE HOLDER 5 2 SOC F802 23144734 FUSE CARTRIDGE 5 2X20 125V 4 0A F802A 23165433 FUSE HOLDER 5 2 SOC G060 24366470 CARBON FILM 1 6W 47 OHM J G113 23289220 COIL PEAKING TRF4220AF G217 24366303 CARBON FILM 1 6W 30K OHM J G301 24366102 CARBON FILM 1 6W 1K OHM J G312 24503037 MT PLA CAP 63V 0 047UF J G317 23118859 DIODE 1SS133 G38...

Page 31: ...ription Description Description No No No No No ACCESSORIES K912 23306263 REMOTE CONTROL TRANSMITTER CT 9946 Y101 23565243 OWNER S MANUAL ENGLISH 27AF61 Y101F 23565244 OWNER S MANUAL FRENCH 27AF61 CABINET PARTS A201 23540705 COVER FRONT COVER ASSEMBLY 36AF61 A213 23427976 DOOR DOOR 32AF41 A214 23451976 PUSH CATCH CLICK A401 23007664 OTHER BLOCK BACK CVR 36AF60 A411 23540212 COVER B C PROPER 36HFX70...

Page 32: ...THIS PAGE IS INTENTIONALLY LEFT BLANK 32 SPECIFIC INFORMATIONS ...

Page 33: ... 33 34 SIGNAL BOARD PD0155 BOTTOM FOIL SIDE ...

Page 34: ... 35 36 POWER DEF BOARD PD0154 BOTTOM FOIL SIDE ...

Page 35: ... 37 CONTROL 1 BOARD PD0153 BOTTOM FOIL SIDE ...

Page 36: ... 38 CONTROL 2 BOARD PD0152 BOTTOM FOIL SIDE ...

Page 37: ... 39 CRT DRIVE BOARD PB9973 BOTTOM FOIL SIDE ...

Page 38: ... 40 3L DIGI COMB BOARD PB9398 BOTTOM FOIL SIDE ...

Page 39: ...69 2SC4544 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 2SD2553 2SC5143 E C B B C E BCE B CE B C E E C B E C B ON4409 B C E ...

Page 40: ... 42 SPECIFIC INFORMATIONS MEMO ...

Page 41: ...5W 5W SPEAKER TYPE 2 3 8 x 4 3 4 inches 60 x 120 mm VIDEO AUDIO TERMINALS S VIDEO INPUT Y 1V p p 75 ohm negative sync C 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 Color Difference VIDEO AUDIO INPUT Y 1V p p 75 ohm Cr 0 7V p p 75 ohm Cb 0 7V p p 75 ohm AUDIO 2V p p 1 kohm DIMENSIONS Width 972 mm Hei...

Page 42: ...TOSHIBA CORPORATION 1 1 SHIBAURA 1 CHOME MINATO KU TOKYO 105 8001 JAPAN FILE NO 020 200110 SERVICE MANUAL COLOR TELEVISION N1F Chassis 36AF61 TAC0120 PUBLISHED IN JAPAN Jul 2001 So ...

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