Download  Print this page

Toshiba 36A43 Service Manual

Hide thumbs

Advertisement

Quick Links

FILE NO. 020-200303

SERVICE MANUAL

COLOR TELEVISION
N3ES Chassis
36A43
(TAC0302)
DOCUMENT CREATED IN JAPAN, Mar., 2003

Advertisement

loading

  Also See for Toshiba 36A43

  Related Manuals for Toshiba 36A43

  Summary of Contents for Toshiba 36A43

  • Page 1: Service Manual

    FILE NO. 020-200303 SERVICE MANUAL COLOR TELEVISION N3ES Chassis 36A43 (TAC0302) DOCUMENT CREATED IN JAPAN, Mar., 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” 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 36" HIGH VOLTAGE AT ZERO BEAM: 32.0kV MAX HIGH VOLTAGE: 34.0kV 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 Front Control Back Term. TV/VIDEO VOLUME T/S CHANNEL s/t COLOR VIDEO VIDEO VIDEO STREAM INPUT MENU TV/VIDEO VOLUME CHANNEL POWER MONO MONO S-VIDEO AUDIO AUDIO AUDIO VIDEO-1 VIDEO-2 POWER T/S/s/t Remote sensor MENU POWER indicator Remote Control TV/VIDEO POWER RECALL...
  • Page 15: Programming Channels Into The Tv's Memory

    PROGRAMMING CHANNELS INTO THE TV'S MEMORY When you press CHANNEL s t on the TV or remote control, the TV stops only on the channels stored in the TV's memory. Note: To tune the TV to a channel not programmed into the meomory, use the CHANNEL NUMBERS on the remote control. Follow the steps below to program channels into the TV's memory.
  • Page 16: 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 : 36A43 Capacitors ..... CD Ceramic Disk : Plastic Film : Electrolytic Resistors ....
  • Page 17 Location Location Parts No. Description Parts No. Description C505 24105130 CERAMIC CHIP, 50V CH 13PF J CB60 24085944 ELECTROLYTIC, NONPOLAR, 50V C510 24109103 CERAMIC CHIP, 50V B 0.01UF K 2.2UF M 11L C511 24794101 ELECTROLYTIC, 16V 100UF M CB61 24591102 PLASTIC FILM, 50V 1000PF J C512 24206228...
  • Page 18 Location Location Parts No. Description Parts No. Description CR03 24100104 CERAMIC CHIP, 25V F 0.1UF Z CZ48 24109103 CERAMIC CHIP, 50V B 0.01UF K CS02 24797229 ELECTROLYTIC, 50V 2.2UF M CZ49 24105330 CERAMIC CHIP, 50V CH 33PF J CS04 24797229 ELECTROLYTIC, 50V 2.2UF M CZ50 24797229...
  • Page 19 Location Location Parts No. Description Parts No. Description R441 24532102 FUSIBLE, 1W 1K OHM J R905 24366101 CARBON FILM, 1/6W 100 OHM J R448 24338478 OXIDE METAL FILM, 1W 0.47 OHM J R914 24366561 CARBON FILM, 1/6W 560 OHM J R455 24011103 CHIP, METAL FILM, 1/20W 10K OHM J...
  • Page 20 Location Location Parts No. Description Parts No. Description RB40 24011103 CHIP, METAL FILM, 1/20W 10K OHM J RR93 24011472 CHIP, METAL FILM, 1/20W 4.7K OHM J RB42 24366102 CARBON FILM, 1/6W 1K OHM J RS02 24011682 CHIP, METAL FILM, 1/20W 6.8K OHM J RB43 24011103 CHIP, METAL FILM, 1/20W 10K OHM J...
  • Page 21 Location Location Parts No. Description Parts No. Description RZ46 24011102 CHIP, METAL FILM, 1/20W 1K OHM J T862 23217583 TRANSFORMER, CONV TRS EER40, RZ49 24011102 CHIP, METAL FILM, 1/20W 1K OHM J TPW3498AB RZ60 24366102 CARBON FILM, 1/6W 1K OHM J SEMICONDUCTORS RZ61 24011822...
  • Page 22 Location Location Parts No. Description Parts No. Description QS63 23114623 TRANSISTOR, 2SC2878-A(TEM DE50 23358571 DIODE, LED, BT-H254N-31-SH QS64 23114623 TRANSISTOR, 2SC2878-A(TEM DV01 23357281 DIODE, DZ9.1 BS A QV01 23000686 IC, MM1311BD DV03 23357281 DIODE, DZ9.1 BS A QV02 23314965 TRANSISTOR, KTC3198 Y DV05 23357281 DIODE, DZ9.1 BS A...
  • Page 23 TUNER, US181CH IIC F 5V, ELA51LX7 ACCESSORIES K912 23306495 REMOCON HAND UNIT IR, CTVUSA, CT-90157 Y101 23565888 OWNER’S MANUAL, ENGLISH/ FRENCH, 36A43 CABINET PARTS * A201 23540611 COVER, FRONT COVER ASSY 36A61 36A61 A213 23427939 DOOR, DOOR 36AX61 36AX61 A223...
  • Page 24 THIS PAGE IS INTENTIONALLY LEFT BLANK. – 24 –...
  • Page 25: Pc Boards Bottom View

    MAIN BOARD PD1050B BOTTOM (FOIL) SIDE – 26 – – 25 –...
  • Page 26: Terminal View Of Transistors

    TERMINAL VIEW OF TRANSISTORS CRT DRIVE BOARD PD0629B BOTTOM (FOIL) SIDE 2SD2253 2SC3852 2SC752GTM 2SC752 2SA1788 (old) 2SD1763A 2SC2482 2SA562TM 2SC5243 2SC1569 2SC2655 2SA1015 2SC4544 2SC4721P 2SC1815 2SA1788 2SC2878 2SA1306 2SC1740S 2SA1186A 2SC2120 2SA9335 2SD1554 ON4409 RN2203 RN2201 2SD2253 RN2004 2SD1556 RN1203 2SC5143...
  • Page 27: Schematic Diagram

    SCHEMATIC DIAGRAM MODEL : 36A43 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 28 – 30 –...
  • Page 29: Specifications

    SPECIFICATIONS 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) ultra band (65 through 94, 100 through 125) POWER SOURCE 120V AC, 60Hz, 94W AUDIO POWER...
  • Page 30: Circuit Block Diagram

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