manualshive.com logo in svg

Toshiba 32AF53, Service Manual, Page: 2 / 40

Share
Download
Toshiba 32AF53 Service Manual Download Page 2

– 2 –

GENERAL ADJUSTMENTS

SPECIFIC INFORMATIONS

TABLE  OF  CONTENTS

 CHAPTER 1

  

GENERAL ADJUSTMENTS

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

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

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

DESIGN MODE ........................................................................................................................................................ 9

ELECTRICAL ADJUSTMENT ................................................................................................................................ 10

CIRCUIT CHECKS ................................................................................................................................................. 12

 CHAPTER 2

  

SPECIFIC INFORMATIONS

SETTING & ADJUSTING DATA .............................................................................................................................. 13

LOCATION OF CONTROLS ................................................................................................................................... 14

PROGRAMMING CHANNEL MEMORY ................................................................................................................. 16

CHASSIS AND CABINET REPLACEMENT PARTS LIST ...................................................................................... 17

PC BOARDS BOTTOM VIEW ................................................................................................................................. 29

TERMINAL VIEW OF TRANSISTORS ................................................................................................................... 37

CIRCUIT BLOCK DIAGRAM .................................................................................................................................. 40

SPECIFICATIONS .............................................................................................................................................. END

APPENDIX:

CIRCUIT DIAGRAM

Summary of Contents for 32AF53

Page 1: ...FILE NO 020 200304 SERVICE MANUAL COLOR TELEVISION N3NS Chassis 32AF43 32AF53 TAC0313 TAC0314 DOCUMENT CREATED IN JAPAN Apr 2003 ...

Page 2: ...ODE 6 DESIGN MODE 9 ELECTRICAL ADJUSTMENT 10 CIRCUIT CHECKS 12 CHAPTER 2 SPECIFIC INFORMATIONS SETTING ADJUSTING DATA 13 LOCATION OF CONTROLS 14 PROGRAMMING CHANNEL MEMORY 16 CHASSIS AND CABINET REPLACEMENT PARTS LIST 17 PC BOARDS BOTTOM VIEW 29 TERMINAL VIEW OF TRANSISTORS 37 CIRCUIT BLOCK DIAGRAM 40 SPECIFICATIONS END 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: ...evenly 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...

Page 5: ... TC S 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 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 ...

Page 6: ...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 7: ...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 8: ...STIC FUNCTION for some model Part number of microprocessor QA01 Operation number of protection 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 Whe...

Page 9: ...anges 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 13 3 ADJUSTING THE DATA Pressing of VOLUME s or t button will change the value of data When QA02 is initialized items OPT0 and OPT1 and OPT2 of DESIGN MODE are set to the data of the representative model of this chassis family Therefore because O...

Page 10: ... 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 11: ...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 12: ...HTNESS 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 13 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 Che...

Page 13: ...STEREO SEPARATION HORIZ POSITION VERT POSITION Item Name of adjustment Preset HIT LIN VSC VPS VCP WID DPC CNR TRAP HCP VFC PCOL PHUE PGOF PROF PBOF RGBB HEIGHT V LINEARITY V S CORRECTION V SHIFT V COMPENSATION PICTURE WIDTH E W PARABOLA DPC E W CORNER TRAPEZIUM H COMPENSATION V F CORRECTION PIP COLOR PIP TINT PIP PIP PIP RGB BRIGHT 20H 08H 04H 01H 03H 17H 0CH 02H 06H 00H 0FH 0FH 11H 36H 17H 17H 0B...

Page 14: ...NT 75Ω IN R L AUDIO DVD IN R L MONO VIDEO AUDIO OUT VIDEO 3 IN S VIDEO VIDEO DEMO MENU TV VIDEO VOLUME CHANNEL RMT SENSOR POWER L MONO AUDIO R INSIDE DOOR LOCATION OF CONTROLS Representative 32AF43 OUTSIDE IND CONTROLS FRONT TV VIDEO CHANNEL t s VOLUME T S MENU POWER VIDEO 3 IN Rear Term DEMO Remote sensor Front View ...

Page 15: ...5 8 3 6 9 0 ENT 100 POWER o TV VIDEO FAV CH A EXIT REW PAUSE FF SOURCE STILL PIP SLOW PIP CH LOCATE SWAP STOP PLAY REC TV VCR Remote Control MUTE Channel Number RECALL POWER TV VIDEO CHANNEL s t Menu s t VOLUME T S Menu T S CH RTN MENU PIP function TV CABLE VCR Set to TV to control the TV FAV CH t s button EXIT ...

Page 16: ...nnel you want 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...

Page 17: ...6100 ELECTROLYTIC 10V 10UF M 3A C396 24082825 PLASTIC FILM 1800VH 1800PF H C399 24085981 ELEC NONPOLAR CE04J 16V 10UF M 11L NP C403 24109103 CERAMIC CHIP 50V B 0 01UF K C404 24797010 ELECTROLYTIC 50V 1UF M C407 24092730 CERAMIC CHIP 16V B 0 1UF K C408 24109273 CERAMIC CHIP CC73B 25V 27NF K C409 24763221 ELECTROLYTIC 16V 220UF M C410 24232103 CERAMIC DISC 50V F 0 01UF Z C413 24214821 CERAMIC DISC 5...

Page 18: ...ILM 50V 0 022UF J C830 24503047 PLASTIC FILM 63V 0 33UF J C831 24503047 PLASTIC FILM 63V 0 33UF J C832 24503047 PLASTIC FILM 63V 0 33UF J C834 24503047 PLASTIC FILM 63V 0 33UF J C840 24795221 ELECTROLYTIC 25V 220UF M C842 24792101 ELECTROLYTIC 6 3V 100UF M C843 24797479 ELECTROLYTIC 50V 4 7UF M C884 24086052 ELECTRORYTIC 200V 220UF M 22A C886 24214471 CERAMIC DISC 500V B 470PF K C889 24796222 ELEC...

Page 19: ...V 10UF M CG72 24794221 ELECTROIYTIC 16V 220UF M CG80 24794100 ELECTROLYTIC 16V 10UF M CG81 24100104 CERAMIC CHIP 25V F 0 1UF Z CI01 24109103 CERAMIC CHIP 50V B 0 01UF K CI02 24109103 CERAMIC CHIP 50V B 0 01UF K CI03 24109103 CERAMIC CHIP 50V B 0 01UF K CI04 24109103 CERAMIC CHIP 50V B 0 01UF K CI05 24109103 CERAMIC CHIP 50V B 0 01UF K CI07 24109103 CERAMIC CHIP 50V B 0 01UF K CI08 24797010 ELECTRO...

Page 20: ...1UF Z 32AF53 CZ450 24100104 CERAMIC CHIP 25V F 0 1UF Z 32AF53 CZ460 24100104 CERAMIC CHIP 25V F 0 1UF Z 32AF53 CZ470 24100104 CERAMIC CHIP 25V F 0 1UF Z 32AF53 CZ480 24100104 CERAMIC CHIP 25V F 0 1UF Z 32AF53 CZ490 24100104 CERAMIC CHIP 25V F 0 1UF Z 32AF53 CZ500 24100104 CERAMIC CHIP 25V F 0 1UF Z 32AF53 CZ510 24100104 CERAMIC CHIP 25V F 0 1UF Z 32AF53 CZ520 24794100 ELECTROLYTIC 16V 10UF M 32AF5...

Page 21: ... 6W 27K OHM J R478 24327133 METAL FILM 1 4W 13K OHM F R480 24366123 CARBON FILM 1 6W 12K OHM J R481 24366333 CARBON FILM 1 6W 33K OHM J R482 24327472 METAL FILM 1 4W 4R7K F R483 24366103 CARBON FILM 1 6W 10K OHM J R485 24338478 OXIDE METAL FILM 1W 0 47 OHM J R486 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 24327...

Page 22: ...83153 OXIDE METAL FILM 2W 15K OHM J R964 24383153 OXIDE METAL FILM 2W 15K OHM J R965 24383153 OXIDE METAL FILM 2W 15K OHM J R973 24366472 CARBON FILM 1 6W 4 7K OHM J R976 24366561 CARBON FILM 1 6W 560 OHM J R977 24366122 CARBON FILM 1 6W 1 2K OHM J R978 24366561 CARBON FILM 1 6W 560 OHM J R979 24366561 CARBON FILM 1 6W 560 OHM J R980 24366471 CARBON FILM 1 6W 470 OHM J R981 24366821 CARBON FILM 1 ...

Page 23: ...K OHM F RG08 24011332 CHIP METAL FILM 1 20W 3 3K OHM J RG09 24011302 CHIP METAL FILM 1 20W 3K OHM J RG10 24011392 CHIP METAL FILM 1 20W 3 9K OHM J RG13 24011101 CHIP METAL FILM 1 20W 100 OHM J 32AF43 RG14 24011101 CHIP METAL FILM 1 20W 100 OHM J 32AF43 RG15 24011221 CHIP METAL FILM 1 20W 220 OHM J RG17 24011101 CHIP METAL FILM 1 20W 100 OHM J 32AF43 RG18 24011101 CHIP METAL FILM 1 20W 100 OHM J 32...

Page 24: ...108 24011473 CHIP METAL FILM 1 20W 47K OHM J RS109 24011103 CHIP METAL FILM 1 20W 10K OHM J 32AF43 RS109 24011433 CHIP METAL FILM 1 20W 43K OHM J 32AF53 RS113 24011103 CHIP METAL FILM 1 20W 10K OHM J 32AF43 RS113 24011433 CHIP METAL FILM 1 20W 43K OHM J 32AF53 RS611 24366101 CARBON FILM 1 6W 100 OHM J RS612 24011101 CHIP METAL FILM 1 20W 100 OHM J RS613 24011101 CHIP METAL FILM 1 20W 100 OHM J RS6...

Page 25: ...3333GH L500 23289840 COIL PEAKING TRF4100AT L501 23289844 COIL PEAKING TRF4470AT L502 23289844 COIL PEAKING TRF4470AT L702 23261974 COIL FERRITE BEAD HC5 035 L704 23103859 FILTER FERRITE CHOKE TEM2011 L705 23103859 FILTER FERRITE CHOKE TEM2011 L805 23248213 COIL CHOKE TLN3481AH L806 23248213 COIL CHOKE TLN3481AH L815 23103145 FERRITE CHOKE TEM2011AA L816 23103145 FERRITE CHOKE TEM2011AA L883 23103...

Page 26: ...R 2SC3326 A Q612 23314163 TRANSISTOR 2SA1162 Y Q613 70114261 TRANSISTOR 2SC3326 A Q706 23314965 TRANSISTOR KTC3198 Y Q707 23314965 TRANSISTOR KTC3198 Y Q709 23314965 TRANSISTOR KTC3198 Y Q710 23314962 TRANSISTOR KTA1266 Y Q711 23314909 TRANSISTOR 2SA1837 Q712 23314912 TRANSISTOR 2SC4793 Q719 23314965 TRANSISTOR KTC3198 Y Q720 23314965 TRANSISTOR KTC3198 Y Q801 23135039 IC HYBRID VDSS 450V STR G962...

Page 27: ... MTZJ10B D411 23118520 DIODE ZENER RD8 2ES B2 D430 23118510 DIODE ZENER RD12ES D441 23316687 DIODE ZENER MTZJ9 1B D442 23118094 DIODE EU2A D460 23316969 DIODE ERD29 06 D462 23118859 DIODE 1SS133 D463 23118859 DIODE 1SS133 D466 23118635 DIODE ZENER RD2 7ESA B2 D467 23118094 DIODE EU2A D471 23118094 DIODE EU2A D472 23115774 DIODE ZENER RD6 2E FA 1 D473 23118859 DIODE 1SS133 D480 23316681 DIODE ZENER...

Page 28: ...3372113 POWER CORD U C 125V10A HSV 2 CMC 02P 1 P910 23164725 CONNECTOR PLUG 2P PV02 23365949 JACK 5P 1E OFF 2R OFF 2L OFF JALC PV03 23365821 PIN JACK 3P 1E OFF 1R OFF 1L OFF PV05 23365819 JACK 1S3P PV011 23365238 CONNECTOR JACK 1S SW P 1E 1E F 2R F 2L F SA01 23145227 SWITCH PUSH 1C1P SA02 23145227 SWITCH PUSH 1C1P SA03 23145227 SWITCH PUSH 1C1P SA04 23145227 SWITCH PUSH 1C1P SA05 23145227 SWITCH P...

Page 29: ... 29 39 SIGNAL BOARD PD1208 BOTTOM FOIL SIDE ...

Page 30: ... 31 32 POWER DEF BOARD PD1019 BOTTOM FOIL SIDE ...

Page 31: ... 33 CRT DRIVE BOARD PB9973M BOTTOM FOIL SIDE ...

Page 32: ... 34 CONTROL 1 BOARD PD0658B BOTTOM FOIL SIDE ...

Page 33: ... 35 CONTROL 2 BOARD PD1024A BOTTOM FOIL SIDE ...

Page 34: ... 36 IF BOARD PD1022A BOTTOM FOIL SIDE ...

Page 35: ...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 36: ...m K 1 000 M 1 000 000 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 F and the values more than 1 in pF All cap...

Page 37: ...HEET 4 11 15 38 VCD SHEET 5 11 16 38 PIP SHEET 6 11 17 38 AUDIO SHEET 7 11 18 38 MICON SHEET 8 11 19 38 BANKAN SHEET 9 11 20 38 3L_COMB SHEET 10 11 21 38 LowB REG SHEET 11 11 22 38 POWER DEF Circuit BLOCK DIAGRAM SHEET 1 6 23 38 32AF43 V DEF_DPC SHEET 2 6 24 38 H DEF SHEET 3 6 25 38 POWER SHEET 4 6 26 38 TILT SHEET 5 6 27 38 BANKAN SHEET 6 6 28 38 POWER DEF Circuit BLOCK DIAGRAM SHEET 1 6 29 38 32...

Page 38: ... 40 SPECIFIC INFORMATIONS QG01 DIG Comb ZY01 PIP Module CIRCUIT BLOCK DIAGRAM ...

Page 39: ...PE 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 875 mm Height 670 mm Depth...

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

Reviews:

No comments