Toshiba 32AF43 Service Manual
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Toshiba 32AF43 Service Manual

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FILE NO. 020-200304

SERVICE MANUAL

COLOR TELEVISION
N3NS Chassis
32AF43 , 32AF53
(TAC0313)
(TAC0314)
DOCUMENT CREATED IN JAPAN, Apr., 2003

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Summary of Contents for Toshiba 32AF43

  • Page 1: Service Manual

    FILE NO. 020-200304 SERVICE MANUAL COLOR TELEVISION N3NS Chassis 32AF43 , 32AF53 (TAC0313) (TAC0314) DOCUMENT CREATED IN JAPAN, Apr., 2003...

  • Page 2: Table Of Contents

    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 ...........................

  • Page 3: Chapter 1 General Adjustments

    CHAPTER 1 GENERAL ADJUSTMENTS SAFETY INSTRUCTIONS WARNING: BEFORE SERVICING THIS CHASSIS, READ THE “X-RAY RADIATION PRECAUTION”, “SAFETY PRECAU- TION” AND “PRODUCT SAFETY NOTICE” INSTRUCTIONS BELOW. X-RAY RADIATION PRECAUTION 1. Excessive high voltage can produce potentially hazardous 2. This receiver is equipped with a Fail Safe (FS) circuit which X-RAY RADIATION.

  • Page 4: Set-Up Adjustment

    WARNING: BEFORE SERVICING THIS CHASSIS, READ THE “X-RAY RADIATION PRECAUTION”, “SAFETY PRECAU- TION” AND “PRODUCT SAFETY NOTICE” ON PAGE 3 OF SERVICE MANUAL. SET-UP ADJUSTMENT I The following adjustments should be made when a complete realignment is required or a new picture tube is installed. Perform the adjustments in order as follows : 1.
  • Page 5 (5) Adjust the sub-4-pole magnets only in case there is any deviation of Xv bow-shaped convergence. (To be usually set at the initial position) Align both sides with the sub-4-pole magnets and minimize the deviation of blue and red with the main 4-pole magnets. Xv bow-shaped deviation of convergence red/blue blue...

  • Page 6: Service Mode

    SERVICE MODE 1. ENTERING TO SERVICE MODE 1) Press MUTE button once 2) Press MUTE button 3) While pressing the MUTE button, on Remote Control. again to keep pressing. press MENU button on TV set. MUTE (Service mode display) 2. DISPLAYING THE ADJUSTMENT MENU 1) Press MENU button on TV.
  • Page 7 4. SELECTING THE ADJUSTING ITEMS 1) Every pressing of CHANNEL s button in the service mode changes the adjustment items in the order of table-2. (t button for reverse order) Refer to table-2 for preset data of adjustment mode. (See SETTING & ADJUSTING DATA on page 13) 5.
  • Page 8 8. SELF DIAGNOSTIC FUNCTION 1) Press “9” button on Remote Control during display of adjustment menu in the service mode. The diagnosis will begin to check if interface among IC’s are executed properly. 2) During diagnosis, the following displays are shown. SELF CHECK NO.

  • Page 9: Design Mode

    DESIGN MODE 1. ENTERING TO DESIGN MODE 1) Select the Service mode. 2) While pressing RECALL button on 3) Press MENU button on TV. Remote and press MENU button on TV. Item Press Data Press (Design mode) (Adjustment mode) 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.

  • Page 10: Electrical Adjustment

    ELECTRICAL ADJUSTMENT ITEM ADJUSTMENT PROCEDURE FOCUS VR ADJ 1. Enter the service mode, then select any register item. 2. Press the TV/VIDEO button on the Remote until the black cross-bar pattern ap- pears on the screen. 3. Adjust the FOCUS control (on T461) for well defined scanning lines on the picture screen.
  • Page 11 ITEM ADJUSTMENT PROCEDURE HORIZONTAL POSITION 1. Call up the adjustment mode display, then select the item HPOS or VPOS. (HPOS) 2. Press the TV/VIDEO button on Remote until the VERTICAL POSITION white cross-bar or black cross-bar pattern appears (VPOS) on the screen. 3.

  • Page 12: Circuit Checks

    CIRCUIT CHECKS HIGH VOLTAGE CHECK Troubleshooting Guide for Fail Safe Circuit CAUTION: There is no HIGH VOLTAGE ADJUSTMENT on this chassis. Checking should be done following the steps Check that the set returns to normal operation when pin 12 below. of Z801(or emitter of Q472) is grounded with jumper wire.

  • Page 13: Chapter 2 Specific Informations

    CHAPTER 2 SPECIFIC INFORMATIONS SETTING & ADJUSTING DATA SAFETY INSTRUCTIONS 32" HIGH VOLTAGE AT ZERO BEAM: 32.7kV MAX HIGH VOLTAGE: 34.1kV Table-1 SERVICE MODE ADJUSTING ITEMS AND DATAS IN THE SERVICE MODE: Item Name of adjustment Preset Item Name of adjustment Preset Data Data...

  • Page 14: Location Of Controls

    LOCATION OF CONTROLS (Representative: 32AF43) Front View OUTSIDE IND. & CONTROLS: FRONT DEMO MENU TV/VIDEO VOLUME CHANNEL VIDEO-3 IN S-VIDEO VIDEO L/MONO AUDIO INSIDE DOOR RMT SENSOR POWER VOLUME Remote VIDEO-3 IN DEMO MENU CHANNEL TV/VIDEO T / S sensor...

  • Page 15: Remote Control

    Remote Control MUTE POWER RECALL MUTE RECALL POWER Channel Number CH RTN CH RTN MENU CHANNEL s/t MENU/ ENTER Menu s/t VOLUME T/S Menu T/S TV/CABLE/VCR CABLE EXIT Set to "TV" to control the TV. EXIT FAV CH t/s button FAV CH TV/VIDEO TV/VIDEO...

  • Page 16: Programming Channel Memory

    PROGRAMMING CHANNEL MEMORY The channel memory is the list of TV channel numbers your TV will stop on when you press the CHANNEL s or t button. First, use the TV/CABLE and CH PROGRAM functions to preset all active channels in your area automatically. If necessary, arrange the preset channels with the ADD/ERASE functions so that you can tune into only desired channels.

  • Page 17: Chassis And Cabinet Replacement Parts List

    • The part number must be used when ordering parts, in order to assist in processing, be sure to include the Model number and Description. • The PC board assembly with mark is no longer available after the end of the production. Model :32AF43, 32AF53 Capacitors ..... CD Ceramic Disk : Plastic Film : Electrolytic Resistors ....
  • Page 18 Location Location Parts No. Description Parts No. Description C466 24503041 PLASTIC FILM , 63V 0.1UF J C834 24503047 PLASTIC FILM, 63V 0.33UF J * C467 24095879 PLASTIC FILM, 630V 0.022UF H C840 24795221 ELECTROLYTIC, 25V 220UF M * C469 24095879 PLASTIC FILM, 630V 0.022UF H C842 24792101...
  • Page 19 ELECTROLYTIC, 50V 1UF M CG19 24669010 ELECTROLYTIC, 50V 1UF M 3A CS43 24105331 CERAMIC CHIP, 50V CH 330PF J CG20 24797229 ELECTROLYTIC, 50V 2.2UF M (32AF43) CS44 24105331 CERAMIC CHIP, 50V CH 330PF J CG21 24797229 ELECTROLYTIC, 50V 2.2UF M (32AF43) CS45 24109331...
  • Page 20 ELECTROLYTIC, 10V 470UF M CZ530 24092730 CERAMIC CHIP, 16V B 0.1UF K (32AF53) CZ03 24092442 CERAMIC CHIP, 16V F 0.47UF Z (32AF43) CZ540 24092730 CERAMIC CHIP, 16V B 0.1UF K (32AF53) CZ05 24109103 CERAMIC CHIP, 50V B 0.01UF K (32AF43)
  • Page 21 Location Location Parts No. Description Parts No. Description * R482 R306 24366683 CARBON FILM, 1/6W 68K OHM J 24327472 METAL FILM, 1/4W 4R7K F R307 24366684 CARBON FILM, 1/6W 680K OHM J R483 24366103 CARBON FILM, 1/6W 10K OHM J R311 24366332 CARBON FILM, 1/6W 3.3K OHM J...
  • Page 22 Parts No. Description * R810 24568828 CERAMIC COVERED, 7W 0.82 OHM K R965 24383153 OXIDE METAL FILM, 2W 15K OHM J (32AF43) R973 24366472 CARBON FILM, 1/6W 4.7K OHM J * R810 24569828 CERAMIC COVERED, G 10W 0.82 J (32AF53) R976...
  • Page 23 CHIP, METAL FILM, 1/20W 330 OHM J RG13 24011101 CHIP, METAL FILM, 1/20W 100 OHM J RA25 24011331 CHIP, METAL FILM, 1/20W 330 OHM J (32AF43) RA26 24011102 CHIP, METAL FILM, 1/20W 1K OHM J RG14 24011101 CHIP, METAL FILM, 1/20W 100 OHM J...
  • Page 24 CHIP, METAL FILM, 1/20W 75 OHM J RJ47 24000445 CHIP JUMPER, 1608TYPE RZ01 24011102 CHIP, METAL FILM, 1/20W 1K OHM J (32AF43) RR07 24011681 CHIP, METAL FILM, 1/20W 680 OHM J RZ02 24011102 CHIP, METAL FILM, 1/20W 1K OHM J (32AF43)
  • Page 25 LV99 23103845 COIL, TEM2030AY RZ430 24000445 CHIP J (32AF53)UMPER, J (32AF53) LZ01 23238710 COIL, PEAKING, TRF4220AJ (32AF43) RZ490 24011102 CHIP, METAL FILM, 1/20W 1K OHM J (32AF53) LZ02 23103145 FERRITE CHOKE, TEM2011AA (32AF43) RZ600 24011102 CHIP, METAL FILM, 1/20W 1K OHM J (32AF53)
  • Page 26 Location Location Parts No. Description Parts No. Description LZ250 23103906 FILTER, CHIP BEAD INDUCTOR, TEM2118AS Q706 23314965 TRANSISTOR, KTC3198 Y (32AF53) Q707 23314965 TRANSISTOR, KTC3198 Y LZ260 23103145 FERRITE CHOKE, TEM2011AA (32AF53) Q709 23314965 TRANSISTOR, KTC3198 Y LZ280 23103145 FERRITE CHOKE, TEM2011AA (32AF53) Q710 23314962 TRANSISTOR, KTA1266 Y...
  • Page 27 23314965 TRANSISTOR, KTC3198 Y D720 23118859 DIODE, 1SS133 QZ01 23000559 IC, TC90A49F(ELP) D721 23118859 DIODE, 1SS133 QZ02 23314163 TRANSISTOR, 2SA1162-Y (32AF43) * D801 23316391 DIODE, D3SB60(4103) QZ03 23314163 TRANSISTOR, 2SA1162-Y (32AF43) D805 23118859 DIODE, 1SS133 QZ04 23314163 TRANSISTOR, 2SA1162-Y (32AF43)
  • Page 28 IC, REMOTE PHOTO RECIEVER, PIC-TB17 CABINET PARTS M461A 23192957 ANODE CAP ASSY, TCC5602AT M461B 23505090 CABLE, CABLE FOCUS A201 23530811 COVER, FRONT COVER ASSY 32AF43 M461C 23505089 CABLE, FOCUS (32AF43) M461D 23504719 CABLE, SCREEN A201 23530819 COVER, FRONT COVER ASSY 32AF53...

  • Page 29: Pc Boards Bottom View

    SIGNAL BOARD PD1208 BOTTOM (FOIL) SIDE – 39 – – 29 –...
  • Page 30 POWER/DEF BOARD PD1019 BOTTOM (FOIL) SIDE – 31 – – 32 –...
  • Page 31 CRT DRIVE BOARD PB9973M BOTTOM (FOIL) SIDE – 33 –...
  • Page 32 CONTROL-1 BOARD PD0658B BOTTOM (FOIL) SIDE – 34 –...
  • Page 33 CONTROL-2 BOARD PD1024A BOTTOM (FOIL) SIDE – 35 –...
  • Page 34 IF BOARD PD1022A BOTTOM (FOIL) SIDE – 36 –...

  • Page 35: Terminal View Of Transistors

    TERMINAL VIEW OF TRANSISTORS 2SD2253 2SC3852 2SC752GTM 2SC752 2SA1788 (old) 2SD1763A 2SA562TM 2SC2482 2SC5243 2SC1569 2SA1015 2SC2655 2SC4544 2SC4721P 2SC1815 2SA1788 2SC2878 2SA1306 2SC1740S 2SA1186A 2SC2120 2SA9335 2SD1554 ON4409 RN2203 RN2201 2SD2253 RN2004 2SD1556 RN1203 2SD2553 RN1204 2SC5143 RN2204 RN1205 RN1202 RN1201 –...

  • Page 36: Schematic Diagram

    SCHEMATIC DIAGRAM MODEL : 32AF43 / 32AF53 WARNING: BEFORE SERVICING THIS CHASSIS, READ THE "X-RAY RADIATION PRECAUTION", "SAFETY PRECAUTION" AND "PRODUCT SAFETY NOTICE" ON THE MANUAL FOR THIS MODEL. CAUTION: The international hazard symbols "*" in the schematic diagram and the parts list designate components which have special characteristics important for safety and should be replaced only with types identical to those in the original circuit or specified in the parts list.
  • Page 37 SCHEMATIC DIAGRAM STRUCTURE: SIGNAL Circuit BLOCK DIAGRAM [ SHEET - 1/11 ] ..... 1/38 (32AF43) [ SHEET - 2/11 ] ..... 2/38 AV-SW [ SHEET - 3/11 ] ..... 3/38 3D_YCS [ SHEET - 4/11 ] ..... 4/38 [ SHEET - 5/11 ] ..... 5/38 [ SHEET - 6/11 ] .....
  • Page 38 – 40 –...

  • Page 39: Specifications

    SPECIFICATIONS (Representative : 32AF43) TELEVISION SYSTEM NTSC standard CHANNEL COVERAGE VHF: 2 through 13 UHF: 14 through 69 Cable TV: mid band (A-8 through A-1, A through I) super band (J through W) hyper band (AA through ZZ, AAA, BBB)

  • Page 40: Circuit Block Diagram

    TOSHIBA CORPORATION 1-1, SHIBAURA 1- CHOME, MINATO-KU, TOKYO 105-8001, JAPAN...

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