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Toshiba 42DPC85 Service Manual

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Toshiba 42DPC85 User Manual
Toshiba 42DPC85 User Guide
Toshiba 42DPC85 Online Manual

Text of Toshiba 42DPC85 User Guide:

  • Toshiba 42DPC85, + S_FAN FAN-VCC 4 3 5 + GND 1 2 3 B 20V 20V GND GND 12V 12V 12V 12V GND GND GND GND 1 2 6 7 8 9 10 12 11 3 1 2 + 1 2 3 1 2 FAN- VCC GND S_FAN 2 1 VCC FAN- GND S_FAN 3 FAN- GND S_FAN VCC FAN- VCC GND S_FAN E + + 3 B B EE 5 F630mAL 250V + E 5 5 3 1 16 13 11 1 1 11 13 16 2 4 B A K EB + + ++ + + + + CCP-6400 23547851 TCI-A7S D 94V-0 E 5 1 2 15 16 32V 5V-1 GND NC GND 12 B 9V-1 9V-2 5V-3 5V-3 GND GND 2 6 4 3 5 10 8 9 11 POWER 5V-1 GND 26V 26V SOUND GND SOUND GND PROTECT ACDETECT POWER_SIG 32V STOP_FAN POWTV POWDB 12V GND GND NC NC POWER_SIG 5V-1 GND NC NC GND GND ACDETECT 26V 26V SOUND GND SOUND GND PODFA

  • Toshiba 42DPC85, - 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) 01 36 24 00 01 57 00 00 00000155 LG−42 M N O P Q R M MAIN MPU : Version information of microprocessor In case of file name : DPC85, Version 0100 for Code Program Version and (U15) for OSD Version indicates [DPC85_0100(U15)] N EEPROM : Version information of EEPROM : Display 1 byte data. O SUB MPU : Version information of SUB MPU : Display 1 byte data. P OPTION : Option information : Display six numbers of 1 byte dat

  • Toshiba 42DPC85, - 11 - PP4 × 8 SBN × 6 PP6 × 35+SW+W SBN × 4 BITTB4 × 12 SBN × 14 PP3 × 8 SBN PP4 × 8 SBN × 9 BITTB4 × 12 SBN × 7 A401 A410 A403 A206 A206 MECHANICAL DISASSEMBLY 1. Remove the stand (foot) and back cover. 2. Remove the boards (AV/AOUT, FRONT AV, KEY-SW) and piece key ass'y. BITTB3 × 12 ECO × 2 BITTB3 × 8 ECO × 2 PP4 × 8 ECO PP3 × 8 SBN PP3 × 8 ECO × 8 PP4 × 8 SBN × 2 PP4 × 12 SBN × 2 BITTB3 × 12 SBN × 4 PP3 × 8 ECO × 2 PP3 × 8 ECO × 6 U800 U105D U105A U105B A221 A220

  • - 31 - NOTE: 1. RESISTOR Resistance is shown in ohm [K = 1.000, M = 1.000.000]. All resistors are 1/6W and 5% tolerance carbon resistor, unless otherwise noted as the following marks. 1/2R = Metal or Metal oxide of 1/2 watt 1/2S = Carbon compsistion of 1/2 watt 1RF = Fuse resistor of 1 watt 1 0W = Cement of 10 watt K = ±10% G = ±2% F = ±1% 2. CAPACITOR Unless otherwise noted in sc

  • Toshiba 42DPC85, - 13 - EXPLODED VIEWS 1. Chassis Block PP4 × 8 SBN × 6 PP6 × 35+SW+W SBN × 4 BITTB4 × 12 SBN × 14 PP3 × 8 SBN PP4 × 8 SBN × 9 BITTB4 × 12 SBN × 7 A401 W662 A403 A410 W661 BITTB3 × 8 SBN × 6 BITTB3 × 12 ECO × 2 BITTB3 × 8 SBN × 6 U105C A206 A206

  • Toshiba 42DPC85, - 33 - AV AV SIGNAL SIGNAL PANEL (VGA) IR-LED IC700:FLI8532(Cortez) Analog Front End Video Decoder MUX VBI Data Processor DCDi MADi Scaling BEP LVDS Micro- processor IR I/F Digital Input A Digital Input B 2nd Channel Process MM1508 (+6dB) OSD GPIO MONI-OUT HDMI_1 HDMI_2 V1 S1 V1/YC1 V3 S2 V2 Y/Pb/Pr M_OUT V CS1 CS2 Y/Pb/Pr QV16 FRONT-AV V2/YC2 V3 4:2:2(16bit) IC300 HDMI RCV ADC CIRCUIT BLOCK DIAGRAM

  • Toshiba 42DPC85, - 16 - Location Parts No. Description No. Location Parts No. Description No. 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. The mounting position of replacements is to be identical with originals

  • Toshiba 42DPC85, DS-1107A 23547874 11 5 17 4 RV132 RV133 GR604 CC10 GR605 CV122 DV122 RC10 RC09 RV123 P602B P601 PV60 P661 CC13 PV25B DV121 RV13 2 RV13 3 GR604 CC10 GR605 CV122 DV122 RC10 RC09 RV123 CC13 DV121 4 R_GND -2 PD2239 23590317 7 1 L_GND R_SPK L_SPK 1 R_GND R_AMP L_AMP L_GND 1 5 D652 D653 CY650 R695 R694 R693 C606 LV121 C605 R687 R688 R689 D652 D653 CY650 P661 R687 R688 R695 R694 R693 C606 P602B P601 PV60 PV25B LV121 C605 R689 FRONT AV BOARD PD2239A2 (U105B) BOTTOM (FOIL) SIDE FRONT AV BOARD PD2239A2 (U105B)

  • Toshiba 42DPC85, - 7 - CAUTION : Never try to perform initialization unless you have changed the memory IC. 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. (Service mode display) 2. DISPLAYING THE ADJUSTMENT MENU 1) Press MENU button on Remote Control. Service mode Adjustment mode 3. KEY FUNCTION IN THE SERVICE MODE The following key entry during display of adjustment menu provides special functions. Press Press MUTE Test signal selection : TV/VIDEO button (on Remote) Selection of the adjustment items : Channel

  • Toshiba 42DPC85, - 25 - - 26 - G C Y SW G G Y EXT4 CB CR V EXT2 V EXT1 L L R R R HDMI-1 -1 PD2239 8 7 6 4 3 8 7 6 5 4 3 1 R L V MONITOR OUT R L EXT5 Y EXT5 CB CR R L EXT4 L HDMI-1 1 + + + + 23590317 TUNER GND TUNER GND NC NC GND 5V-1 9V-1 GND GND 5V-3 5V-3 ACDETECT GND NC R_E3 L_E3 V_E3 GND GND 7 9 8 1 16 1 12 + + + 16 9 + + 11 12 + 2 1 + + 5 6 1 1 9V1 GND 5V-2 30 20 10 1 3 1 1 8 NC NC GND 26V 26V SOUND GND SOUND GND GND_AUDIO R_OUT L_OUT GND_AUDIO 1 10 20 30 50 5040 LV202 LV201 LV200 RV57 RV58 LV203 LV204 LV205 LV206 LV207 LV208 LV209 C6605 C675 Q6604 D672 LV284 R6629 Q660

  • Toshiba 42DPC85, - 12 - PP3 × 8 ECO × 4 PP3 × 8 ECO × 6 U101 U803 W662 W661 BITTB3 × 8 SBN × 6 BITTB3 × 12 ECO × 2 BITTB3 × 8 SBN × 6 U105C 3. Remove the boards (SIGNAL, LED-RMT, LOWB) and speaker. 4. Remove the display. BITTB4 × 12 ECO × 4 BITTB4 × 12 ECO × 19 B001 A201

  • Toshiba 42DPC85, - 7 - 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 is executed properly. 2) During diagnosis, the following displays are shown. 000000 DPC85_0100 M N O P Q M Firmware : Version information of microprocessor In case of file name : DPC85 and Version : 0100 indicates[DPC85_0100]. N Time : Total hour of turn the TV on. (Unit : H) O Bus line : --"OK" is normal "SCL-GND"(Re

  • Toshiba 42DPC85, - 4 - WARNING KEEP CHILDREN AWAY UNPULUG SHOCK HAZARD USE SPECIFIED PARTS CAUTION FOR WIRING CAUTION FOR ASSEMBLING / WIRING CHECK INSULATION RESISTANCE PROHIBIT REMODELING • Always advise users to keep children away. There is danger of injury to children from tools, disassembled products, etc. • 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. • Depending on the model, use an insulation transformer or wear gloves when servicing with the power on, and disconnect the power plug to avoid electrical shock when replacing parts. In some case

  • Toshiba 42DPC85, - 3 - GENERAL ADJUSTMENTS SPECIFIC INFORMATIONS 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. WARNING CAUTION Indicates a hypothetical situation in which service personnel and nearby third parties, or even 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. Indicates a hypothetical situat

  • Toshiba 42DPC85, - 32 - 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 ................................................................................................................................................................ 6/4 7 KEY ....................................................................................................................................

  • - 8 - Signals Picture • Red raster • Green raster • Blue raster • All Black • All White R All BlackAll White BSignal off G 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 W / X , / button will change the val

  • 23547874 R Y CB CR V L R L V S EXT4 HDMI-1 R EXT2 EXT1 12 + 2 + 1 NC GND_AUDIO L_OUT R_OUT GND_AUDIO NC SOUND GND 26V SOUND GND 26V 5 61 1 + + + 1 ++ + DS-1107A TUNER GND TUNER GND V_E3 GND GND L_E3 R_E3 7 NC GND ACDETECT 5V-3 5V-3 NC 9V-1 5V-1 GND GND NC GND 1 12 + + + + R L V Y CB CR R L R L EXT5 L EXT5 HDMI-1 EXT4 MONITOR OUT GND 1 3 9V1 5V-2 GND RV60 RV59 RV370

  • Toshiba 42DPC85, - 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. M MAIN : Main source information : Display RF position number (0 - 99) on the main screen, or Input Source (EXT1/2/3/HDMI etc.) N MAIN FORMAT : Display Video and PC format information O SCREEN SIZE : Display the screen size as follows. EXT1 480i NATURAL 0000 0000 0000 M N O P P OTHER STATUS : Other status information : Display three numbers of 2 byte data. Theater Wide 1 Theater Wide 2 Theater Wide 3 FULL NATURAL

  • Toshiba 42DPC85, Location Parts No. Description No. Location Parts No. Description No. - 18 - Q660 23205506 TRANSISTOR, 2SC4081 Q Q661 23205506 TRANSISTOR, 2SC4081 Q Q664 23205506 TRANSISTOR, 2SC4081 Q Q665 23205325 TRANSISTOR, RN2404(F) Q670 23085039 IC, TA8246AHQ Q671 23205302 TRANSISTOR, 2SC3326-B(F) Q672 23205302 TRANSISTOR, 2SC3326-B(F) Q673 23205443 TRANSISTOR, 2SA1162-Y(F) Q6600 23009613 IC, CD4052BNSR Q6603 23205329 TRANSISTOR, RN1404(F) Q6604 23205329 TRANSISTOR, RN1404(F) QB07 23205463 TRANSISTOR, 2SC2712-Y(TE85L,F) QE02 23205313 TRANSISTOR, 2SC1815-Y(F) QE03 23205315 TRANSISTOR, RN1206(F) QE04 23205313 TRANSISTOR, 2SC1815-Y(F) QE10 23135077 IC

  • Toshiba 42DPC85, - 14 - BITTB3 × 12 ECO × 2 PP3 × 8 ECO × 4 BITTB3 × 8 ECO × 2 PP4 × 8 ECO PP3 × 8 SBN PP3 × 8 ECO × 8 PP4 × 8 SBN × 2 PP4 × 12 SBN × 2 PP3 × 8 ECO × 6 BITTB3 × 12 SBN × 4 PP3 × 8 ECO × 2 BITTB4 × 12 ECO × 4 BITTB4 × 12 ECO × 19 PP3 × 8 ECO × 6 B001 U800 U101 A221 U105D U105A U105B A201 U803 A220 2. Main Block

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