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Summary of Contents for Toshiba 42DPC85
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Page 1: Service Manual
FILE NO. 020-200521 Revision 1 SERVICE MANUAL Plasma Monitor 42DPC85 - 1 - DOCUMENT CREATED IN JAPAN, Sept., 2005 Published in Japan, Sep. 2005 (YC) TOSHIBA CORPORATION 2005... -
Page 2: Table Of Contents
TABLE OF CONTENTS SERVICE SAFETY PRECAUTIONS ............................ 3 SERVICE MODE .................................. 5 LAYOUT OF MAJOR BOARDS ............................10 MECHANICAL DISASSEMBLY ............................11 EXPLODED VIEW ................................13 PACKING DISASSEMBLY ..............................15 CHASSIS AND CABINET REPLACEMENT PARTS LIST ....................16 PC BOARDS TOP & BOTTOM VIEW ..........................19 CIRCUIT BLOCK DIAGRAM .............................. -
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 •...
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Page 5: Service Mode
SERVICE MODE 1. ENTERING SERVICE MODE 1) Press MUTE button twice on 2) Press MUTE button again and 3) While pressing the MUTE button, Remote Control. keep pressing. press MENU button on TV set. MUTE (Service mode display) 2. DISPLAYING THE ADJUSTMENT MENU 1) Press MENU button on Remote Control. - Page 6 4. SELECTING THE ADJUSTING ITEMS 1) Every pressing of CHANNEL button in the service mode changes the adjustment items in the order of table-2. 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 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 is executed properly. 2) During diagnosis, the following displays are shown. DPC85_0100 000000 Firmware :...
- Page 8 9. VERSION CHECK MODE 1) Press “9” button twice on Remote Control during display of adjustment menu in the service mode. The version of main MPU will begin to check. 2) During Version Check, the following displays are shown. DPC85_0100(U15) 24 00 01 57 00 00 00000155 LG−42...
- 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 480i NATURAL 0000 0000 0000...
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Page 10: Layout Of Major Boards
LAYOUT OF MAJOR BOARDS U803 U105D LOWB BOARD KEY-SW BOARD U105C LED-RMT BOARD U101 U105B SIGNAL BOARD FRONT AV BOARD U105A AV/AOUT BOARD - 10 -... -
Page 11: 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 12 3. Remove the boards (SIGNAL, LED-RMT, LOWB) and speaker. PP3 × 8 ECO × 6 U803 PP3 × 8 ECO × 4 BITTB3 × 12 ECO × 2 U101 U105C BITTB3 × 8 SBN × 6 W662 BITTB3 × 8 SBN ×...
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Page 13: 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 14 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 U803 U105D...
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Page 15: Packing Disassembly
PACKING DISASSEMBLY A705 A701A A705 A702A A702A K902 Y174 Y101 Y170 A702B A702B A701B - 15 -... -
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 : 42DPC85 Capacitors ..... CD Ceramic Disk : Plastic Film : Electrolytic Resistors .... - Page 17 Location Location Parts No. Description Parts No. Description R288 76871750 CHIP, 1/8W 75 OHM J RC03 76011101 CHIP, 1/20W 100 OHM J R657 76011473 CHIP, 1/20W 47K OHM J RC04 76011101 CHIP, 1/20W 100 OHM J R658 76011473 CHIP, 1/20W 47K OHM J RC05 76011101 CHIP, 1/20W 100 OHM J...
- Page 18 CABLE, FFC 0.5 50P L70 GOLD A206 23469406 INSULATOR, INSULATOR MJ60 23389359 CABLE, FFC 0.5 50P L70 GOLD A220 23940543 PIECE, PIECE FRONT AV ASSY 42DPC85 MZ01 23368939 CABLE, LVDS 600MM PDP1 A221 23940544 PIECE, PIECE CONTROL ASSY 42DPC85 N110 23969797...
- Page 22 RV58 RV58 SOUND GND SOUND GND GND_AUDIO R_OUT L_OUT GND_AUDIO Q670 C673 C661 C660 5V-1 9V-1 RB576 5V-2 RB575 RB575 5V-3 5V-3 CV68 ACDETECT CV76 CV76 C6600 C6600 D672 D672 V_E3 R6629 R6629 C6605 L_E3 R_E3 TUNER GND TUNER GND R6638 R6639 R6639...
- Page 23 LV121 C605 C606 RB18 DB23...
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Page 25: Schematic Diagram
SCHEMATIC DIAGRAM MODEL : 42DPC85 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 26 SCHEMATIC DIAGRAM STRUCTURE: AV/AOUT CONNECTOR [SHEET-1/4] ..1/47 AV-TERMINAL [SHEET-2/4] ..2/47 A-OUT [SHEET-3/4] ..3/47 EXPANDER FOR PDP [SHEET-4/4] ..4/47 FRONT-AV ................................5/47 IR LED ................................6/47 KEY ..................................7/47 LOWB .................................. 8/47 SIGNAL ANALOG IN [SHEET-200] ..9/47 D IN A [SHEET-300] ..
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