Toshiba 42WP56P Service Manual

Plasma color television toshiba 42wp56p
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FILE NO. 030-200507
SERVICE MANUAL
Plasma Color Television
42WP56P
TOSHIBA CORPORATION, 2005
Published in Japan, Sep. 2005 (YC)

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Summary of Contents for Toshiba 42WP56P

  • Page 1 FILE NO. 030-200507 SERVICE MANUAL Plasma Color Television 42WP56P TOSHIBA CORPORATION, 2005 Published in Japan, Sep. 2005 (YC)
  • Page 2: Table Of Contents

    TABLE OF CONTENTS SERVICE SAFETY PRECAUTIONS ............................ 3 SERVICE MODE .................................. 5 LOCATION OF CONTROLS ............................... 10 LAYOUT OF MAJOR BOARDS ............................12 MECHANICAL DISASSEMBLY ............................13 EXPLODED VIEW ................................15 PACKING DISASSEMBLY ..............................17 CHASSIS AND CABINET REPLACEMENT PARTS LIST ....................18 PC BOARDS TOP &...
  • Page 3: Service Safety Precautions

    SERVICE SAFETY PRECAUTIONS • The caution items shown here describe major safety issues and should always be observed. • The meanings of the various indications are as follows. Indicates a hypothetical situation in which service personnel and nearby third parties, or even WARNING end users due to a product defect after the service operation is completed, could possibly be in danger of injury or even death in the event of operational error.
  • Page 4 WARNING • Always advise users to keep children away. There is danger of injury to children from tools, disassembled products, etc. KEEP CHILDREN AWAY • Always disconnect the power plug before starting work whenever power is not required. Failure to disconnect the power plug before starting work can result in electrical shock. UNPULUG •...
  • Page 5: Service Mode

    SERVICE MODE 1. ENTERING SERVICE MODE 1) Press button once on 2) Press button again and 3) While pressing the button, Remote Control. keep pressing. press MENU button on TV set. or Sound Mute (Service mode display) DISPLAYING THE ADJUSTMENT MENU 1) Press MENU button on TV.
  • Page 6 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) 5. ADJUSTING THE DATA 1) Pressing of VOLUME ; +/– button will change the value of data in the range from 00H to FFH. The variable range depends on the adjusting item.
  • Page 7 The diagnosis will begin to check if interface among IC’s is executed properly. 2) During diagnosis, the following displays are shown. WP56_EU_0100 WP56_EU_0100 000000 42WP56P 42WP56P Firmware : Version information of microprocessor In case of file name : WP56_EU and Version : 0100 indicates[WP56_EU_0100].
  • Page 8 MPU will begin to check. 2) During Version Check, the following displays are shown. WP56_EU_0100 (E16) LG − 42 42WP56P MAIN MPU : Version information of microprocessor In case of file name : WP56_EU, Version 0100 for Code Program Version...
  • Page 9 10. STATUS CHECK MODE 1) Press “9” button thrice on Remote Control during display of adjustment menu in the service mode. The status of this model will begin to check. 2) During Status Check, the following displays are shown. EXT1 1080i-50 C6 38 54 CE 08 0000 0000 0000...
  • Page 10: Location Of Controls

    LOCATION OF CONTROLS CONTROLS AND INPUT CONNECTIONS INPUT 3 (EXT 3) Standby GREEN – On-timer set RED – Power On CONNECTING EXTERNAL EQUIPMENT BRACKET HOLES decoder* MEDIA REC. media recorder IN/OUT SCART 1 (EXT 1) MAINS LEAD SUPPLIED SCART 2 (EXT 2) - 10 -...
  • Page 11: Remote Control

    OK to confirm your selection Text control buttons Stereo/Bilingual reception Bass Boost To select mode To mute the sound When using a TOSHIBA VCR or DVD: When in TV mode: Time display press to PAUSE When in text mode:...
  • Page 12: Layout Of Major Boards

    LAYOUT OF MAJOR BOARDS U002 LOWB BOARD U003C KEY BOARD U003B FRONT AV BOARD U001 SIGNAL BOARD U003A TN/AV BOARD U003D RMT LED BOARD - 12 -...
  • Page 13: Mechanical Disassembly

    MECHANICAL DISASSEMBLY 1. Remove the stand (foot) and back cover. PP4 × 8 SBN × 9 A410 PP4 × 8 SBN × 6 PP3 × 8 SBN BITTB4 × 12 SBN × 14 PP6 × 35+SW+W A401 BITTB4 × 12 SBN ×...
  • Page 14 3. Remove the boards (SIGNAL, RMT LED) and speaker. PP3 × 8 ECO × 6 U002 PP3 × 8 ECO × 4 BITTB3 × 12 ECO × 2 U001 U003D BITTB3 × 8 SBN × 6 W662 BITTB3 × 8 SBN ×...
  • Page 15: Exploded View

    EXPLODED VIEWS 1. Chassis Block PP4 × 8 SBN × 9 A410 PP4 × 8 SBN × 6 PP3 × 8 SBN BITTB4 × 12 SBN × 14 PP6 × 35+SW+W SBN × 4 BITTB4 × 12 SBN × 7 A401 A206 A206...
  • Page 16 2. Main Block PP3 × 8 ECO × 8 PP3 × 8 ECO × 6 PP3 × 8 SBN U800 PP4 × 12 SBN × 2 BITTB3 × 8 ECO × 2 PP4 × 8 ECO PP4 × 8 SBN × 2 A221 U002 U003C...
  • Page 17: Packing Disassembly

    PACKING DISASSEMBLY A705 A701A A705 A702A A702A Y101 Y130 Y174 Y110 Y170 A702B A702B A701B - 17 -...
  • Page 18: 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 : 42WP56P Capacitors ..... CD Ceramic Disk : Plastic Film : Electrolytic Resistors ....
  • Page 19 Location Location Parts No. Description Parts No. Description CE63 76539104 PLASTIC FILM, 50V 0.1UF J R662 76011103 CHIP, 1/20W 10K OHM J CE64 76539104 PLASTIC FILM, 50V 0.1UF J R663 76011473 CHIP, 1/20W 47K OHM J CE65 76666470 ELECTORLYTIC, 16V 47UF M 3A R664 76011104 CHIP, 1/20W 100K OHM J...
  • Page 20 Location Location Parts No. Description Parts No. Description RE11 76367222 CARBON FILM, 1/6W 2.2K OHM G RV90 76366750 CARBON FILM, 1/6W 75 OHM J RE12 76366472 CARBON FILM, 1/6W 4.7K OHM J RV90A 23965241 TAPE, CC #12 10MM L30M RE13 76366102 CARBON FILM, 1/6W 1K OHM J RV91...
  • Page 21 DISPLAY, PDP42V70440 PDP42V70440 Q671 23205302 TRANSISTOR, 2SC3326-B(F) B001A 23405525 OPTICAL FILTER, PDP42V T40 SSC PM00TZ001 Q672 23205302 TRANSISTOR, 2SC3326-B(F) B205 23533583 COVER, AV COVER ASSEMBLY 42WP56P Q4100 23085635 TRANSISTOR, 2SC3437-Y(TE85L,F) B213 23717219 SCREW, PP3X8+SW+W SBN Q4101 23085635 TRANSISTOR, 2SC3437-Y(TE85L,F) FE20 23144373...
  • Page 22 PLUG, NP 2.5MM G, B12B-EH-F1A A206 23469406 INSULATOR, INSULATOR P803B 23713763 PLUG, NP 2.5MM G, B12B-EH-F1A A220 23940488 PIECE, PIECE FRONT AV ASSY 42WP56P P804A 23713757 PLUG, 6P 2.5MM G, B6B-EH-F1-TV4 A221 23940496 PIECE, PIECE CONTROL ASSY 42WP56P P804B 23713757 PLUG, 6P 2.5MM G, B6B-EH-F1-TV4...
  • Page 23: Pc Boards Top & Bottom View

    SIGNAL BOARD PD2238H1 (U001) BOTTOM (FOIL) SIDE - 23 - - 24 -...
  • Page 24 SIGNAL BOARD PD2238H1 (U001) TOP (COMPONENT) SIDE - 25 - - 26 -...
  • Page 25 LOWB BOARD PD2202C1 (U002) BOTTOM (FOIL) SIDE DE08 CCP-6400 23547851 DE09 P818 TCI-A7S D 94V-0 S_FAN P804A QE25 LE31 CE25 FAN- PODFAN_STOP QE85 SOUND GND DE72 RE26 P819 SOUND GND CE85 FAN- RE28 RE27 DE05 RE29 RE87 S_FAN DE71 QE26 QE86 QE10A DE07...
  • Page 26 TN/AV BOARD PD2206A1 (U003A) BOTTOM (FOIL) SIDE PV25A P517 P515B LC01 R519 LC01 LC02 LC02 RV54 R519 R518 RV54 RV21 RV28 R518 C524 R501 CV62 RV51 RV55 RV30 RV28 RV31 RV21 C524 R501 RV55 CV62 RV30 RV31 ACDETECT L504 RV53 RV53 L504 RV52...
  • Page 27 TN/AV BOARD PD2206A1 (U003A) TOP (COMPONENT) SIDE C517 C527 PV25A C530 P517 P515B Q501 GRV79 C517 LV02 GRV05 LV01 GRV79 LV17 LV21 R512 LV33 LV33 Q504 CV51 CV52 R512 C501 GRV78 CV51 CV52 C501 LC05 GRV78 GRV74 LC04 C504 GRV74 CV22 CV27 C503...
  • Page 28 FRONT AV BOARD PD2206A2 (U003B) FRONT AV BOARD PD2206A2 (U003B) BOTTOM (FOIL) SIDE TOP (COMPONENT) SIDE RV122 PV60 GR605 PV61 GR604 RV123 P661 R687 R690 PD2206 -2 R692 R688 CY650 CY650 R689 R691 D653 D653 23590293 C605 DV121 D652 PV25B LV121 LC31 P601B...
  • Page 29 SCHEMATIC DIAGRAM MODEL : 42WP56P WARNING : BEFORE SERVICING THIS CHASSIS, READ THE "SERVICE SAFETY PRECAUTIONS" ON PAGE 3 OF THIS MANUAL. 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 30 SCHEMATIC DIAGRAM STRUCTURE: LOWB .................................. 1/52 CONNECTOR ..............................2/52 AV-TERMINAL ..............................3/52 TIF ..................................4/52 A-OUT ................................. 5/52 TEXT-SW ................................6/52 TV-OUT ................................7/52 VIDEO-CROMA ..............................8/52 EXPANDER FPR PDP ............................9/52 FRONT-AV ................................. 10/52 KEY ................................... 11/52 RMT LED ................................12/52 SIGNAL ANALOG IN [SHEET-200] ..
  • Page 31 - 37 -...
  • Page 32: Specifications

    SPECIFICATIONS Broadcast systems/channels Programme Positions PAL-I UHF UK21-UK69 Stereo Nicam PAL-B/G UHF E21-E69 2 carrier system VHF E2-E12, S1-S41 Visible Screen Size 105cm SECAM-L UHF F21-F69 (approx.) VHF F1-F10, B-Q Display 16:9 SECAM-D/K UHF R21-R69 VHF R1-R12 Sound output (at 10% distortion) Main 10W + 10W Power consumption 315W...

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