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Toshiba 32ZD08G Service Manual
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Toshiba 32ZD08G Service Manual

Toshiba 32ZD08G Service Manual

C00s chassis
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FILE NO. 030-200002
SERVICE MANUAL

COLOUR TELEVISION

C00S Chassis
32ZD08G
32ZD08B
PRINTED IN JAPAN Jun., 2000 T

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  • Page 1: Colour Television

    FILE NO. 030-200002 SERVICE MANUAL COLOUR TELEVISION C00S Chassis 32ZD08G 32ZD08B PRINTED IN JAPAN Jun., 2000 T...

  • 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 ADJUSTMENTS ..........................10 CIRCUIT CHECK ..............................17 CHAPTER 2 SPECIFIC INFORMATIONS SETTING & ADJUSTING DATA ..........................18 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 hazard- 2. The only source of X-RAY RADIATION in this TV receiver ous 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 THIS MANUAL. SET-UP ADJUSTMENT 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 CONVERGENCE ADJUSTMENTS CIRCUMFERENCE CONVERGENCE ADJUSTMENT NOTE: Before attempting any convergence adjustments, the 1. Loosen the clamping screw of deflection yoke slightly to receiver should be operated for at least fifteen min- allow the yoke to tilt. utes. 2. Temporarily put a wedge as shown in figure 1. (Do not remove cover paper on adhesive part of the wedge.) CENTER CONVERGENCE ADJUSTMENT 3.

  • Page 6: Service Mode

    SERVICE MODE 1. ENTERING TO SERVICE MODE 1) Press o button once on 2) Press o button again to 3) While pressing the o button, Remote Control. keep pressing. press MENU button on TV set. Item Data Mute or (Service mode display) 2.
  • 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 18) 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. Indicated color of mode now selected : Green and Red Indicated color of other modes : White...

  • Page 9: Design Mode

    DESIGN MODE 1. ENTERING TO DESIGN MODE 1) Select the Service mode. 2) While pressing o or CALL 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”...

  • Page 10: Electrical Adjustments

    ELECTRICAL ADJUSTMENTS 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 WHITE BALANCE 1. Set Contrast to 40, and brightness to +20 by picture control. ADJUSTMENT 2. Set the TV in service mode, and get the inside W/B adjusting signal with VIDEO button. • CUTOFF ADJUSTMENT 3. Select RCUT, GCUT and BCUT with CHANNEL s, t buttons, to set individual (RCUT) values to Initial reference data, and to set GDRV and BDRV to Initial reference (GCUT)
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  • Page 17: Circuit Check

    CIRCUIT CHECK HIGH VOLTAGE CHECK CAUTION: There is no HIGH VOLTAGE ADJUSTMENT on this chassis. Checking should be done following the steps below. 1. Connect an accurate high voltage meter to the second anode of the picture tube. 2. Turn on the receiver. Set the BRIGHTNESS and CONTRAST controls to minimum (zero beam current). 3.

  • Page 18: Chapter 2 Specific Informations

    CHAPTER 2 SPECIFIC INFORMATIONS SETTING & ADJUSTING DATA SAFETY INSTRUCTIONS 32” HIGH VOLTAGE AT ZERO BEAM: 33.2 kV MAX HIGH VOLTAGE: 34.0 kV AV VOLTAGE 220~240 V Table-1 SERVICE MODE ADJUSTING ITEMS AND DATAS IN THE SERVICE MODE: Item Adjustment Reference data Item Adjustment...

  • Page 19: Location Of Controls

    LOCATION OF CONTROLS Front MENU EXIT S-VIDEO VIDEO L/MONO AUDIO HEAD PHONE MAIN SWITCH MENU POWER INDICATOR (VIDEO-3) S-VIDEO TERMINAL VOLUME DOWN ON-TIMER INDICATOR STEREO INDICATOR VOLUME UP VIDEO-3 POSITION DOWN BILINGUAL INDICATOR POSITION UP EXIT DIGITAL AUDIO INPUT (OPTICAL) DIGITAL AUDIO INPUT (COAXIAL) Rear terminals DIGITAL...
  • Page 20 ENTER ENTER MENU EXIT MENU Buttons EXIT • Stereo/Bilingual • Sound Mute V T R / D VD Volume Video Recoder/DVD Buttons to operate your Toshiba Video Recorder & DVD V T R / D V D – 20 –...

  • Page 21: Circuit Block Diagram

    – 21 –...

  • Page 22: 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. Models : 32ZD08G, 32ZD08B Capacitors ..... CD Ceramic Disk : Plastic Film : Electrolytic Resistors ....
  • Page 23 Location Location Part No. Description Part No. Description EL, 470?F, ±20%, 16V C443 24082638 PF, 0.11?F, 400V C613 24794471 PF, 3000pF, ±3%, 1800V EL, 4.7?F, ±20%, 50V, C444 24082830 C615 24085960 C445 24828473 PF, 0.047?F, 200V Non-Polar EL, 33?F, ±20%, 250V C446 24679330 C616...
  • Page 24 CD89 24092293 Chip, 0.1?F, +80%, -20%, 25V CD, 1000pF, ±10%, 2kV C902 24092345 CF02 24774220 Chip, 22pF, CH(32ZD08G) C904 24436471 CD, 470pF CF03 24774220 Chip, 22pF, CH (32ZD08G) C905 24436471 CD, 470pF CF03 24567104 PF, 0.1?F (32ZD08B) – 24 –...
  • Page 25 24774220 Chip, 22pF, CH(32ZD08B) (32ZD08G) PF, 0.1?F, ±20%, AC275V CF07 24092293 Chip, 0.1?F, +80%, -20%, 25V CG01 24082926 (32ZD08G) (32ZD08G) EL, 47?F, ±20% (32ZD08G) CF07 24774220 Chip, 22pF, CH(32ZD08B) CG06 24073101 CF08 24092293 Chip, 0.1?F, +80%, -20%, 25V CG07 24567474 PF, 0.47?F (32ZD08G)
  • Page 26 Location Location Part No. Description Part No. Description CV02 24092293 Chip, 0.1?F, +80%, -20%, 25V CX160 24092293 Chip, 0.1?F, +80%, -20%, 25V EL, 10?F, ±20%, 16V, CV03 24092293 Chip, 0.1?F, +80%, -20%, 25V CX163 24085981 CV04 24092293 Chip, 0.1?F, +80%, -20%, 25V Non-Polar CV05 24814103...
  • Page 27 RESISTORS RESISTORS CX348 24774181 Chip, 180pF, CH RESISTORS RESISTORS EL, 10?F, ±20%, 16V CX361 24794100 R101 24366101 CF, 100 ohm(32ZD08G) CX363 24092293 Chip, 0.1?F, +80%, -20%, 25V R101 24553223 OMF, 22k ohm, 1W CX366 24774181 Chip, 180pF, CH (32ZD08B) CX368...
  • Page 28 Location Location Part No. Description Part No. Description R307 24366101 CF, 100 ohm R465 24366101 CF, 100 ohm R310 24366511 CF, 510 ohm R466 24366272 CF, 2700 ohm MF, 220k ohm, ±1%, 1/4W R311 24366911 CF, 910 ohm R467 24327224 R312 24366153 CF, 15k ohm...
  • Page 29 R688 24366222 CF, 2200 ohm R852 24366225 CF, 2.2M ohm R689 24366104 CF, 100k ohm R865 24366332 CF, 3300 ohm (32ZD08G) R692 24872681 Chip, 680 ohm, 1/16W R868 24366472 CF, 4700 ohm (32ZD08B) R693 24872681 Chip, 680 ohm, 1/16W R875...
  • Page 30 Location Location Part No. Description Part No. Description R902 24376561 CF, 560 ohm, 1/2W R4407 24366361 CF, 360 ohm R903 24376561 CF, 560 ohm, 1/2W R4410 24366103 CF, 10k ohm R904 24366472 CF, 4700 ohm R4416 24366101 CF, 100 ohm R905 24366150 CF, 15 ohm...
  • Page 31 Chip, Jumper, 2125 type (32ZD08G) RC02 24000824 Chip, Jumper, 2125 type RF21 24000824 Chip, Jumper, 2125 type RD06 24366102 CF, 1k ohm (32ZD08G) (32ZD08B) RD08 24366102 CF, 1k ohm RF22 24872101 Chip, 100 ohm, 1/16W RD10 24366102 CF, 1k ohm (32ZD08G)
  • Page 32 Chip, 100 ohm, 1/16W RG21 24310829 MF, 8.2 ohm, 1/2W(32ZD08G) RS27 24872104 Chip, 100k ohm, 1/16W RG22 24323229 MF, 2.2 ohm, 2W (32ZD08G) RS28 24872104 Chip, 100k ohm, 1/16W RG23 24321228 MF, 0.22 ohm, 1/2W RS29 24872223 Chip, 22k ohm, 1/16W...
  • Page 33 Location Location Part No. Description Part No. Description RV08 24872103 Chip, 10k ohm, 1/16W RX123 24872331 Chip, 330 ohm, 1/16W RV09 24872101 Chip, 100 ohm, 1/16W RX124 24872101 Chip, 100 ohm, 1/16W RV10 24872101 Chip, 100 ohm, 1/16W RX125 24872101 Chip, 100 ohm, 1/16W RV12 24872681...
  • Page 34 Location Location Part No. Description Part No. Description RX256 24000824 Chip, Jumper, 2125 type RX421 24872221 Chip, 220 ohm, 1/16W RX258 24872470 Chip, 47 ohm, 1/16W RX422 24872221 Chip, 220 ohm, 1/16W RX259 24872470 Chip, 47 ohm, 1/16W RX423 24872221 Chip, 220 ohm, 1/16W RX261 24872101...
  • Page 35 Coil, Peaking, TRF4100AT (32ZD08B) L702 23261974 Coil, Choke, HC5-035 LF21 23238714 Coil, Peaking, TRF4100AJ L704 23103859 Coil (Ferrite Bead), TEM2011 (32ZD08G) L705 23103859 Coil (Ferrite Bead), TEM2011 LF22 23238562 Coil, Peaking, TRF4109AJ L811 23103859 Coil (Ferrite Bead), TEM2011 (32ZD08G) L876...
  • Page 36 IC, TA1276AN * T461 23236625 Transformer, Flyback, Q608 A6534040 Transistor, 2SA1015-Y TFB4162AD Q612 A6534040 Transistor, 2SA1015-Y T461D 23236447 ANODE4115B Q620 23906596 IC, BA4558 * TG01 23217466 Transformer, Converter, Q631 23906596 IC, BA4558 TPW3449AM (32ZD08G) Q632 A6014040 Transistor, RN2404 – 36 –...
  • Page 37 23906642 IC, AT24C64-10PC Q670B 70391355 Screw, BITTB3X8 SZN QA05 A6734590 Transistor, 2SC752(G)TM-Y Q671 A6342200 Transistor, 2CS2878-A QA80 A6002020 Transistor, RN1202 (32ZD08G) Q672 A6342200 Transistor, 2CS2878-A QA81 A6002020 Transistor, RN1202 (32ZD08G) Q688 A6002040 Transistor, RN1204 QA82 23904943 IC, MM1111XS (32ZD08G) Q705...
  • Page 38 Location Location Part No. Description Part No. Description QS03 A6335470 Transistor, 2SC2712-Y QZ08 A6335470 Transistor, 2SC2712-Y QS04 A6335470 Transistor, 2SC2712-Y D101 23316756 Diode, Zener, MTZJ33D QS05 A6359870 Transistor, 2SC3326-B D201 23115599 Diode, 1N4148 QS06 A6359870 Transistor, 2SC3326-B D240 23115599 Diode, 1N4148 QS07 A6014040 Transistor, RN2404...
  • Page 39 Location Location Part No. Description Part No. Description D642 23115599 Diode, 1N4148 Orange D643 23115599 Diode, 1N4148 DB30 23115599 Diode, 1N4148 D647 23115599 Diode, 1N4148 DD89 23118310 Diode, Zener, RD5.6M-T1B2 D648 23115599 Diode, 1N4148 DF01 23316654 Diode, Zener, MTZJ3.0A D670 23115599 Diode, 1N4148 DF02...
  • Page 40 Chip Jumper, 2125Type P513B 23368520 Plug, B-B, 20P (32ZD08G) P661 23363607 Jack, Headphone GF25 24000824 Chip Jumper, 2125Type * P801 23372052 Power Cord (32ZD08G) (32ZD08G) * P801 23372151 Power Cord (32ZD08B) GF26 24000824 Chip Jumper, 2125Type PD04 23364092 Jack, Pin(Orange) (32ZD08G) PD05...
  • Page 41 Picture Tube, W76ERF031X044 XF01 23153421 Crystal, 20.48MHz XF02 23153394 Crystal, 16.000000MHz TUNER TUNER TUNER TUNER TUNER (32ZD08G) H001 23321344 Tuner, EGA22LWX1 (32ZD08G) Z420 23144539 Protector, PRF20005491, H001 23321345 Tuner, UF822BLW(32ZD08B) 125V, 2A Z871 23144543 Protector, PRF50005491, ACCESSORIES ACCESSORIES ACCESSORIES ACCESSORIES...
  • Page 42 THIS PAGE IS INTENTIONALLY LEFT BLANK. – 42 –...

  • Page 43: Pc Boards Bottom View

    TERMINAL VIEW OF TRANSISTORS 2SD2253 2SC3852 2SC752GTM 2SC752 2SA1788 (old) 2SD1763A 2SA562TM 2SC2482 2SC5243 2SC1569 2SA1015 2SC2655 2SC5570 2SC4544 2SC4721P 2SC1815 2SA1788 2SC2878 2SA1306 2SC1740S 2SA1186A 2SC2120 2SA9335 2SD1554 ON4409 RN2203 RN2201 2SD2253 RN2004 2SD1556 RN1203 2SC5143 RN1204 2SD2553 RN2204 RN1205 RN1202 RN1201...
  • Page 44 SPECIFICATIONS (Representative: 32ZD08G) Input Power Rating: AC 220 ~ 240 Volts, 50 Hz Aerial Input Impedance: 75 ohm unbalanced type for VHF, UHF and CATV Receiving Channels: System Channel CATV PAL B/G CCIR 2 ~ 12 21 ~ 69 S1 ~ S41...
  • Page 45 TOSHIBA CORPORATION 1-1, SHIBAURA 1- CHOME, MINATO-KU, TOKYO 105-8001, JAPAN...

  • Page 46: Schematic Diagram

    SCHEMATIC DIAGRAM MODEL : 32ZD08B / 32ZD08G 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 47 SCHEMATIC DIAGRAM MODEL : 32ZD08B / 32ZD08G NOTE: WARNING: BEFORE SERVICING THIS CHASSIS, READ THE "X-RAY RADIATION PRECAUTION", "SAFETY PRECAUTION" AND "PRODUCT SAFETY NOTICE" ON THE MANUAL FOR THIS MODEL. 1. RESISTOR Resistance is shown in ohm [K = 1.000, M = 1.000.000]. All resistors are 1/6W and 5% 4.

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