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Toshiba 32AFX61, Руководство по обслуживанию

32-дюймовый телевизор Toshiba 32AFX61 - это идеальное решение для вашего домашнего развлечения. Удобное управление, четкое изображение и качественный звук делают его отличным выбором. Скачайте бесплатное руководство пользователя на manualshive.com для настройки и использования всех возможностей этого продукта.

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– 18 –

GENERAL ADJUSTMENTS

SPECIFIC INFORMATIONS

CIRCUIT  BLOCK  DIA

GRAM

H001(MAIN)

KEY

CONTROL

ANT

IN

VIDEO

INPUT 3

VIDEO

INPUT 1

MONIT

OUTPUT

DVD IN

Cr, Cb

Q302

E/W 

CORRECTION

Q402

H DRIVE

Q301

V OUTPUT

-27V

Q370

I

2

C

Bus Line

R371

+27V

+200V

SCREEN

FOCUS

HIGH VOLTAGE

VH

HEATER

D371

Q862

PHOTO-COUPLER

F801

T801

T840

SR81

D840

D801

Q801

5A

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

+12V

QA01 

MICROPROCESSOR

VIDEO

INPUT 2

Q830

Q843

SW

Q840

D847

RESET

STBY 5V

Q835

Q390

5A

F890

9V-1

5A

+24 5V

F889

2A

F470

T862

D893

D892

+12V

R883

D885

D886

D883

D884

Q404

H OUTPUT

RED OUTPUT

GREEN OUTPUT

BLUE OUTPUT

FBT

T461

+125V

33V

D471

I

2

C-BUS LINE

SIGNAL UNIT

POWER/DEF UNIT

LOW/VERT AND

CRT DRIVE UNIT

Q3P0

Q901, Q903, Q905

V901

CRT

HY01

TIF

H003

RF-SW

Q420

SCAN-

PRO.

C-IN

Содержание 32AFX61

Страница 1: ...FILE NO 020 200108 SERVICE MANUAL COLOR TELEVISION N1NS Chassis 36AFX61 32AFX61 PUBLISHED IN JAPAN Jun 2001 So TAC0126 TAC0125 ...

Страница 2: ...RVICE MODE 8 ELECTRICAL ADJUSTMENTS 11 CIRCUIT CHECKS 13 CHAPTER 2 SPECIFIC INFORMATIONS SETTING ADJUSTING DATA 14 LOCATION OF CONTROLS 15 PROGRAMMING CHANNEL MEMORY 17 CIRCUIT BLOCK DIAGRAM 18 CHASSIS AND CABINET REPLACEMENT PARTS LIST 19 PC BOARDS BOTTOM VIEW 31 TERMINAL VIEW OF TRANSISTORS 39 SPECIFICATIONS 41 APPENDIX CIRCUIT DIAGRAM ...

Страница 3: ...mp AC Any value 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 ...

Страница 4: ...e CONTRAST 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 4 around the neck of the picture tube u...

Страница 5: ...ing the CENTER CONVERGENCE AD JUSTMENT tighten the tightening ring to fix the mag nets Figure 3 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 ...

Страница 6: ...enly 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 t...

Страница 7: ...Blue color 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...

Страница 8: ...nu 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 QA04 RECALL Channel s button on TV Initialization of the self diag...

Страница 9: ...he service 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 repl...

Страница 10: ...rmal 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 place finishes the next failure pl...

Страница 11: ...EIGHT adjustment 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 ba...

Страница 12: ...advance the 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 ...

Страница 13: ...is indispensable 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 a...

Страница 14: ...Preset Table 2 DESIGN MODE ADJUSTING ITEMS AND DATAS IN THE DESIGN MODE Item Name of adjustment Preset Data Remarks PRESET 36 32 OPT1 OPTION 1 4AH 88H OPT2 OPTION 2 05H 0DH TVOP MAIN TUNER for STOP 00H SUB TUNIER for STOP Non Signal Audio Mute 0 on 1 off Table 3 CIRCUIT CHECKS Table 4 FBT DETECTION VOLTAGE C 18 9 V 40H 40H 40H 40H 40H 80H 44H 05H 10H 47H 13H 31H 04H 03H 21H 22H Preset 11H 3EH 04H ...

Страница 15: ... VIDEO 3 IN VIDEO S VIDEO AUDIO L MONO R Video Audio inputs Video 3 MENU VOLUME ts DEMO TV VIDEO Power Indicator POWER TV Rear CHANNEL ts Remote Sensor ANT 1 OUT ANT 2 ANT 75 S VIDEO VIDEO L MONO AUDIO R VIDEO 2 VIDEO 1 Y PB PR COLOR STREAM INPUT L L AUDIO R R AUDIO CENTER CHANNEL IN DVD IN VIDEO VAR AUDIO L MONO AUDIO R IN OUT OUT ON OFF ...

Страница 16: ...NTER sets programming menu information stT S selects or adjusts programming menus FAV T S selects your favourite channels Volume st adjusts the volume level EXIT exits programming menus Channel st cycles through programmed channels CH RTN returns to the last viewed channels RECALL displays on screen information MUTE mutes the sound INPUT selects video input source PIP allows access to PIP function...

Страница 17: ...ing TheTVwillautomaticallycyclethroughalltheTVorCABLE channels selected by the TV CABLE function and store active channels in the channel memory 3 When channel programming is complete you will see the message to the right 4 Press CHANNEL s or t to make sure the channel pro gramming has been done properly ADD ERASE function After performing the CH PROGRAM function you can add or erase specific chan...

Страница 18: ... 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 12V QA01 MICROPROCESSOR VIDEO INPUT 2 Q830 Q843 SW Q840 D847 RESET STBY 5V Q835 Q390 5A F890 9V 1 5A 24 5V F889 2A F470 T862 D893 D892 12V R883 D885 D886 D883 D884 Q404 H OUTPUT RED OUTPUT GREEN OUTPUT BLUE OUTPUT FBT T461 125V ...

Страница 19: ...5 24591392 PF 3900pF C416 24678010 EL 1 F 20 200V C417 24214391 CD 390pF 10 500V C420 24666101 EL 100 F 20 16V C423 24829433 PF 0 043 F 400V 36AFX61 C423 24829393 PF 0 039 F 400V 32AFX61 C430 24232103 CD 0 01 F 80 20 C431 24794101 EL 100 F 20 16V C440 24082592 PF 1000pF 3 1800V C441 24082917 PF 0 3 F 315V C442 24082925 PF 0 62 F 315V 36AFX61 C442 24082821 PF 1200pF 3 1800V 32AFX61 C443 24082961 PF...

Страница 20: ... 3 3 F 20 50V C645 24591333 PF 0 033 F C646 24591153 PF 0 015 F C647 24591683 PF 0 068 F C648 24591563 PF 0 056 F C649 24591273 PF 0 027 F C650 24591822 PF 8200pF C651 24232103 CD 0 01 F 80 20 C652 24232103 CD 0 01 F 80 20 C653 24232103 CD 0 01 F 80 20 C654 24763101 EL 100 F 20 16V C660 24669229 EL 2 2 F 20 50V C661 24794100 EL 10 F 20 16V C664 24797220 EL 22 F 20 50V C671 24669010 EL 1 F 20 50V C...

Страница 21: ...1272 PF 2700pF CA54 24474101 CD 100pF 10 CA59 24474101 CD 100pF 10 CA60 24474101 CD 100pF 10 CA61 24666220 EL 22 F 20 16V CA64 24232103 CD 0 01 F 80 20 CA68 24666100 EL 10 F 20 16V CA69 24232103 CD 0 01 F 80 20 CA71 24474101 CD 100pF 10 CA72 24085970 EL 10 F 20 16V Non Polar CA73 24666100 EL 10 F 20 16V CB01 24794470 EL 47 F 20 16V CB13 24085970 EL 10 F 20 16V Non Polar CB14 24474101 CD 100pF 10 C...

Страница 22: ...24366103 CF 10k ohm R217 24366102 CF 1k ohm R218 24367103 CF 10k ohm 2 R223 24366102 CF 1k ohm R227 24367472 CF 4700 ohm 2 R260 24366153 CF 15k ohm R261 24366682 CF 6800 ohm R266 24366102 CF 1k ohm R267 24366102 CF 1k ohm R268 24366681 CF 680 ohm R269 24366102 CF 1k ohm R270 24366682 CF 6800 ohm R303 24321109 MF 1 ohm 1 2W R305 24322688 MF 0 68 ohm 1W R306 24366333 CF 33k ohm R309 24366154 CF 150k...

Страница 23: ...4 24366101 CF 100 ohm R625 24366101 CF 100 ohm R626 24366101 CF 100 ohm R627 24366101 CF 100 ohm R633 24366101 CF 100 ohm R634 24366101 CF 100 ohm R635 24366101 CF 100 ohm R636 24366101 CF 100 ohm R637 24366101 CF 100 ohm R638 24366101 CF 100 ohm R639 24366101 CF 100 ohm R640 24366101 CF 100 ohm R641 24366101 CF 100 ohm R642 24366101 CF 100 ohm R643 24366101 CF 100 ohm R668 24366122 CF 1200 ohm R6...

Страница 24: ... 24383153 OMF 15k ohm 2W R973 24366472 CF 4700 ohm R976 24366102 CF 1k ohm R977 24366122 CF 1200 ohm R978 24366102 CF 1k ohm R979 24366102 CF 1k ohm R980 24366471 CF 470 ohm R981 24366821 CF 820 ohm R982 24366103 CF 10k ohm R983 24366222 CF 2200 ohm R984 24367152 CF 1500 ohm 2 R985 24367471 CF 470 ohm 2 R986 24367681 CF 680 ohm 2 R987 24367681 CF 680 ohm 2 R988 24367472 CF 4700 ohm 2 R989 24367332...

Страница 25: ...3 CF 10k ohm RB39 24366123 CF 12k ohm RB40 24366681 CF 680 ohm RB41 24366273 CF 27k ohm RB42 24366273 CF 27k ohm RB46 24366103 CF 10k ohm RB49 24366331 CF 330 ohm RB75 24366472 CF 4700 ohm RB76 24366103 CF 10k ohm RB77 24366222 CF 2200 ohm RB78 24366101 CF 100 ohm RB81 24366122 CF 1200 ohm RB82 24366123 CF 12k ohm RB83 24366123 CF 12k ohm RB84 24366562 CF 5600 ohm RB90 24366392 CF 3900 ohm RB91 24...

Страница 26: ...ohm RW29 24366102 CF 1k ohm RW30 24366102 CF 1k ohm RW39 24366472 CF 4700 ohm RW40 24366222 CF 2200 ohm RY80 24366331 CF 330 ohm RY81 24366101 CF 100 ohm RY82 24366102 CF 1k ohm RY83 24366100 CF 10 ohm RZ30 24366102 CF 1k ohm COILS TRANSFORMERS COILS TRANSFORMERS COILS TRANSFORMERS COILS TRANSFORMERS COILS TRANSFORMERS L101 23289680 Coil Peaking TRF4680AF L111 23289680 Coil Peaking TRF4680AF L113 ...

Страница 27: ... Transistor 2SA1015 Y TEM 32AFX61 Q481 23114433 Transistor 2SC1815 Y Q482 23114433 Transistor 2SC1815 Y Q483 23114469 Transistor RN2201 Q501 23905575 IC TA1222BN Q502 23114528 Transistor 2SC1740S Q Q503 23114528 Transistor 2SC1740S Q Q610 23906523 IC TA8256BH Q612 23314962 Transistor KTA1266 Y Q621 23000381 IC CXA2021S Q622 23000548 IC TA1304N Q670 23114623 Transistor 2SC2878 A TEM Q671 23114623 T...

Страница 28: ...D406 23115910 Diode S5295G D420 23316680 Diode Zener MTZJ7 5A D430 23316689 Diode Zener MTZJ10A D441 23316687 Diode Zener MTZJ9 1B D442 23118094 Diode EU2A LF F10 D444 23316969 Diode ERD29 06J D467 23115296 Diode 1S1887 FA D470 23118859 Diode 1SS133 D471 23115820 Diode TVR 1B D472 23115774 Diode Zener RD6 2E 4 D473 23118859 Diode 1SS133 D474 23316719 Diode Zener MTZJ12B D477 23118859 Diode 1SS133 ...

Страница 29: ...YCJ32 3D YCS COMB V901A 23903145 Socket CRT W661 23351038 Speaker SPK 1311 60x120mm 8 ohm W662 23351038 Speaker SPK 1311 60x120mm 8 ohm W665 23351133 Speaker SPK 1392 100X100mm 16 ohm X401 23153721 Ceramic Resonator 503kHz TCR1023 X501 23153961 Crystal 3 58MHz XA01 23153011 Ceramic Resonator 4 00MHz TCR1050 Z401 23140203 SG GAP SG99B3EN ZY01 23148736 Module MKMU31 MULTI PICTURE PNT PC BOARD ASSEMB...

Страница 30: ... 30 SPECIFIC INFORMATIONS THIS PAGE IS INTENTIONALLY LEFT BLANK ...

Страница 31: ... 31 32 SIGNAL BOARD PB9635 BOTTOM FOIL SIDE ...

Страница 32: ... 33 34 POWER DEF BOARD PB9631 BOTTOM FOIL SIDE ...

Страница 33: ... 35 CRT DRIVE BOARD PB9973 BOTTOM FOIL SIDE ...

Страница 34: ... 36 BACK A V BOARD PB9633 BOTTOM FOIL SIDE ...

Страница 35: ... 37 CONTROL 1 BOARD PB9570 BOTTOM FOIL SIDE ...

Страница 36: ... 38 CONTROL 2 BOARD PB9571 BOTTOM FOIL SIDE ...

Страница 37: ...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 38: ... 40 SPECIFIC INFORMATIONS MEMO ...

Страница 39: ... 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 Component video INPUT Y 1V p p 75 ohm CB 0 7 V p p 75 ohm CR 0 7 V p p 75 ohm AUDIO 150 mV rms 47k ohm VIDEO AUDIO OUT PUT VIDEO 1 V p p 75 ohm negative sync AUDIO 150 mV rms 30 modulation equivalent 4 7k ohm VARIABLE AUDIO OUTPUT 0 300mV rms 30 modulat...

Страница 40: ......

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