THOMSON 50WB03P Service Manual

Text of THOMSON 50WB03P User Guide:

• THOMSON 50WB03P, First issue 09 / 03 36 ADJUSTMENT REQUIRED WHEN THE SET IS REPLACED RGB Assembly Colour balance adjustment DIGITAL VIDEO Assembly 1. Adjustment is unnecessary when only the DIGITAL VIDEO Assembly is replaced. 2. When the RGB Assembly is replaced at the same time as this assembly, remove the IC1204 (24LC04(1) SN-TBB) from the old PC board of the DIGITAL VIDEO Assembly and attach it to the new PC board. SERVICE PANEL Assembly 1. VSUS Adjustment All of service panels have a panel identification label (VSUS data, VOFS data). Please just input this V-SUS data on the label to "V-SUS" on service factory mode. 2. VO

• THOMSON 50WB03P, 16 First issue 09 /03 X DRIVE BLOCK DIAGRAM 23 21 5 7 9 11 13 15 17 19 PN_MUTE XNR-U XSUS-B XSUS-U XSUS-D XSUS-G XSUS-MSK XCP-MSK XNR-D1 XNR-D2 CN3001 X2 1 2 3 4 8 11 CN3101 X1 XNR_U XNR_U 2 4 5 3 6 6 5 2 3 4 9 IC3004 TC74ACT540FT IC3008 TC74ACT541FT 18 17 14 14 15 18 17 16 16 15 1 5 2 3 4 6 8 9 7 10 IC3008 PE1012A 20 23 22 21 19 17 16 18 15 2 3 4 5 7 8 6 9 IC3001 TC74ACT541FT IC3102 HCPL-M611 IC3101 TC74ACT541FT IC3200 STK795-470 Pulse Module IC3201 STK795-470 Pulse Module T3701 VRN D-D CONV. XCP-MSK XSUS-MSK VCP PLD SUSOUT A 37-40 29,30 K3105 PSUS K3107 IC3103,IC3104 TND301S Q3103, Q3107 Q310

• First issue 09 / 03 5 Charged Section The places where the commercial AC power is used without passing through the power supply transformer. If the places are touched, there is a risk of electric shock. In addition, the measuring equipment can be damaged if it is connected to the GND of the charged section and the GND of the non-charged section while connecting the set directly to the commerci

• THOMSON 50WB03P, The description and characteristics given here are of informative significance only, and non committal. To keep up the high quality of our products, we reserve the right to make any changes or improvement without previous notice. • Les descriptions et caractéristiques figurant sur ce document sont données à titre d'information et non d'engagement. En effet, soucieux de la qualité de nos produits, nous nous réservons le droit d'effectuer, sans préavis, toute modification ou amélioration. • Die Beschreibungen und Daten in dieser Anleitung dienen nur zur Information u

• THOMSON 50WB03P, First issue 09 / 03 30 Command Name Full Name RS-232C adjustment validity Factory adjustment validity Normal validity Numerical direct validity Up/Down validity Function AB0 ABL MODE0 Y AB1 ABL MODE1 Y AB2 ABL MODE2 Y AB3 ABL MODE3 Y AJNADJUST (SERVICE) NO ADJUST (SERVICE) YES X Terminates RS-232C adjustment (service) mode Terminates FACTORY mode Initiates RS-232C adjustment (service) mode Initiates FACTORY mode AJY X AMN AUDIO MUTE NO X X X Turns audio mute OFF AMY AUDIO MUTE YES X X X Turns audio mute ON BBY VIDEO RGB YES Y Y Sets input setting to VIDEO SIGNAL:RGB BHI BLUE HIGH LIGHT Y Y Y Y Adjusts BLUE HIGH-LIGHT BLW BLUE LOW LIGHT Y Y Y Y

• THOMSON 50WB03P, First issue 09 / 03 11 (Ex.: 1st -> Y-DC/DC CONVERTOR, 2nd -> Y-DRIVE) Update status This is in the special state about update of a firmware. HDCP PROTECTION Red lighting 200ms Blank 3s Blank 1s Blank 100ms Red lighting 200ms Red lighting 200ms 1st 2nd Slowly flashes GREEN and RED Quickly flashes GREEN and RED Updating standby or updating end of the Main microcomputer Or updating end of the Main microcomputer Main microcomputer is under update. GREEN When updating data other than the Main microcomp

• THOMSON 50WB03P, First issue 09 / 03 26 Screen Default Selecting “DEFAULT” by LEFT, RIGHT or OK key press display following menu If a highlight is moved to "YES", the quality of image is reset in shipping condition. It is memorized by "O.K." OPTION It is moved highlight by UP or DOWN key press. O.K. can change each item after selection by UP and DOWN. Baud Rate This item is a baud rate setup of RS-232C. RS-232C is used for factory adjustment. Furthermore, it is used also for upgrade. It is reference. A baud rate is changed whenever it pushes O.K. ->4800BPS->9600BPS->19200BPS->38400BPS-&g

• THOMSON 50WB03P, 19 First issue 08 /03 SUB ADDRESS DIAGRAM +60V ADRGND CN8801 R8801 - R8805 Q8801 V MID SW ADRK EMG1 Q8803, Q8831 Q8805, Q8806 +12V DGND ADR-B ADR EMG 1 Block ADR-U 12V ADR-D ADRK. PD CN8802 IC8801 IC8801 D8804 (DC+AC) (-AC) 5V SW ADR-D (DC) CLK ADR-U ADR-B +12V IC8802 IC8802 IC8803 DGND VADR ADRGND CLR ADROUT CN8803 IC8804 Current - Voltage Convert Block Over Current DET. Block ADR Output Resistance Load Block P.D. Output Block BUFF Block Inversion Block Additional Block Conparator (EMG : ON) Flip / Flop +5V REG H : EMG1 OFF L : EMG1 ON H : V MID CLAMP OFF L : V MID CLAMP ON Conparator (EMG : OFF)

• THOMSON 50WB03P, First issue 09 / 03 20 ADR RESONNANCE BLOCK DIAGRAM +60V +60V +60V +60V CN6702 IC6704 C6703 - C6708 12V Address Resonance Output Block ADROUT ADRGND ADR B VADR C6720 Q6706 DGND Q6707 +12V IC6701 Q6701, Q6704 ADR U ADR-B C6721 Q6708 ADR-U Q6709 ADR-D SW CN6701 ADR OUT L6704 IC6702 Q6702, Q6705 VADR V MID ADR D ADRGND C6722 Q6710 DGND Q6711 SW CN6703 DGND IC6703 Q6703, Q6712 V MID C6716 C6718 ADRGND ICP-S1, 0 ADR-B Pre-Drive ADR-U Pre-Drive ADR-U Drive ADR-D Pre-Drive ADR-D Drive ADR-B Drive SAFETY PART : For continued protection against

• First issue 08 / 03 18 AUDIO BLOCK DIAGRAM TMM AUDIO ASS'Y FAN DRIVE BLOCK RCA AUDIO BLOCK +15V A1 R_AUDIO GND A_MUTE2 STBY GND L_AUDIO +5VSTB +5VSTB A3 L+ GND GND R+ TEMP3 IC8601 POWER AMP A6 FAN_P FAN_D A7 FAN_P FAN_D +15V Vin Vout Vc Vadj FAN_Mute ( < 3.4V ) IC8701 REGULATOR +5V_AD/RGB A5 AUDIO_NG TEMP3 FAN_N FAN +5V_AD/RGB +5V_AD/RGB NOR (5.5V - 12.35V) (3.06V - 1.66V) IC860

• First issue 09 / 03 3 Page SAFETY INFORMATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 DISASSEMBLING THE MODULES Removing the SW Power Supply . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 Removing the Digital Video . . . . . . . . . . . . . . . . . . . . . . . . .

• THOMSON 50WB03P, First issue 09 / 03 7 DIGITAL VIDEO Assembly 1 Remove the Rear Case (50M). (Screws x 20) fig. 1 2 Remove the SW Power Supply Module. (Connectors, Screws x 4) fig. 2 and fig. 3 3 Remove the 11 screws. fig. 4 4 Remove the one screw. fig. 5 5 Remove the Terminal Panel M. fig. 5 6 Remove the SLOT TMM SERVICE Assembly. fig. 6 7 Remove the four screws. fig. 6 8 Remove the one screw to remove the switch. fig. 6 9 Remove the connectors and binders, and remove the RGB Base with PCB Assembly. fig. 6 10 Remove the DIGITAL VIDEO Assy. (Connectors, circuit board spacers x 6) fig.

• THOMSON 50WB03P, 6 First issue 09 /03 DISASSEMBLING THE MODULES SW Power Supply Module 1 Remove the Rear Case (50M). (Screws x 20) fig. 1 2 Remove the four screws. fig. 2 3 Remove the SW Power Supply Module. fig. 2 4 Insert the SW Power Supply Module into the slits of Sub Frame L and R. fig. 3 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 SW Power Supply Module 3 2 2 2 2 Sub Frame L Slit SW Power Supply Module Sub Frame R 4 SW Power Supply Module fig. 1 fig. 2 fig. 3

• THOMSON 50WB03P, First issue 09 / 03 32 Command Name Full Name RS-232C adjustment validity Normal validity Numerical direct validity Up/Down validity FunctionFactory adjustment validity PBH Panel Blue High Y Y Y Adjusts BLUE HIGH-LIGHT Adjusts GREEN HIGH-LIGHT Adjusts RED HIGH-LIGHT Adjusts RED LOW-LIGHT Adjusts GREEN LOW-LIGHT Adjusts BLUE LOW-LIGHT PBL Panel Blue Low Y Y Y PCY Pc RGB Yes Y Y Sets input setting to 4.3 (SETTING:VGA or XGA) Sets input setting to wide (SETTING: WVGA or WXGA) PGH Panel Green High Y Y Y PGL Panel Green Low Y Y Y PLN Bright Enhance Off Y Y Turn center-brightness enhancement function OFF Turn center-brightness enhancement function ON PLY Bright Enha

• THOMSON 50WB03P, 29 First issue 09 /03 Baud Rate 9600 bps (standard) (Switchable to 1200, 2400, 9600, 19200, 38400 bps) Data Format Start: 1-bit Data: 8-bit Parity: ODD Stop: 1-bit *Therefore, PC and PDP are connected with a straight cable. Protocol From computer to plasma display: (1) When transmitting commands individually STX (02 hex)+ ID (2 Byte)+ COMMAND (3 Byte)+ ETX (03 hex) (2) When transmitting commands in batches (up to max. 3 commands).... (NOTE) STX (02 hex)+ ID (2 Byte)+ COMMAND (3 Byte) +COMMAND (3 Byte) +COMMAND (3 Byte)+ ETX (03 hex) (3) When transmitting direct numeric commands STX (02 hex) ID (2 Byte) COMMAND (3 Byte) ARGUMENT (3 Byte) ETX (03 hex) Note: COMMAND 3 Bytes (ASCII) ARG

• THOMSON 50WB03P, First issue 08 / 03 21 SIGNAL PATH VIDEO AND SYNCHRONISATION INPUT Input Signal Signal Route VIDEO Signal (480i) VIDEO Signal (except 480i) PC Signal 3/4 VIDEO Signal (NTSC) 5 VIDEO Signal (DVI) INPUT1 INPUT2 INPUT3 INPUT4 INPUT5 Analog Video Signal Digital Video Signal 1/2 IC4108 BA7657F IC4403 6M LPF IC4402 CXA2101AQ IC4603 CXA3516R IC5001 PE5067A-K IC5301 PD6357B IC4108 BA7657F IC4402 CXA2101AQ IC4603 CXA3516R IC5001 PE5067A-K IC5301 PD6357B IC4108 BA7657F IC4603 CXA3516R IC5001 PE5067A-K IC5301 PD635

• THOMSON 50WB03P, 14 First issue 09 / 03 RGB BLOCK DIAGRAM 13.5V V+12V V+12V IC4004 6.5V -9V IC4110 (24LCS21A) Plug&Play ROM (TC74VHC541) TTL Conv. INPUT1 Input DET. IN1DET WP_SW Time Circuit IC4108 (BA7657F) RGB 2-1 SW STB+5V INPUT1 Component /RGB INPUT2 Component /RGB Terminator SW Audio Input Mute A_MUTE1 EXT_INT VOL IC4103 (TC4052BF) EXT/INT SEL IC4104 (TA7630P) Pre-Amp. IC4103 (TC4052BF) FIX/VAL SEL Audio Output Terminator SW INPUT1 Monitor Out V-5V V-5V IC4001 FIX_VAR A_MUTE2 AUDIO_NG STB+5V V+9V V+9V IC4002

• THOMSON 50WB03P, First issue 08 / 03 17 Y DRIVE BLOCK DIAGRAM CLR CLK OC1 OC2-1 LE AB SI1 SI2 Photo Coupler Photo Coupler Photo Coupler Photo Coupler Photo Coupler Photo Coupler Photo Coupler Photo Coupler VH D-D CONV. Pulse Module (STK795-470) IC2206 YSUS-MSK OC2-2 PN_MUTE YPR-U1 YPR-U2 YSUS-B YSUS-U YSUS-D YOFS YSUS-G YCP-MSK YSUS-MSK YSOFT-D DEW_DET Y2 IC2005 TC74ACT541FT IC2007 TC74ACT540FT IC2004 YPR-U1 TC74ACT541FT Pulse Module (STK795-470) IC2214 14 16 18 20 14 16 18 20 IC2202 HCPL-M611 IC2006 PE1013 IC2005 TC74ACT541FT Dew DET. circuit Photo Coupler OC2-2 Y3 Y5 Photo Coupler SUS muteDET. circuit charge pump circuit Photo Coupler VOFS D-D CONV. D. GND +13.5V SUSGND D. GND IC5V, VF D-D

• THOMSON 50WB03P, 27 First issue 09 /03 Side Mask It is brightness adjustment of a non-drawing part. It is at the time of the screen size “DOT BY DOT” and “4:3”. It can be adjusted independently, R, G, B. The default of a side mask differs from others. When DEFAULT is a highlight, shortly after pushing O.K., it returns to a shipment value. And a value is changed and it returns to a service menu. Mask Control If this mode is turned ON, a non-drawing portion will move. It is at the time of the screen size “DOT BY DOT” and “4:3”. Moreover, whenever it turns on a power supply

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