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SERVICE MANUAL
DOCUMENTATION TECHNIQUE
TECHNISCHE DOKUMENTATION
DOCUMENTAZIONE TECNICA
DOCUMENTACION TECNICA
WARNING : Before servicing this chassis please read the safety recommendations.
ATTENTION : Avant toute intervention sur ce châssis, lire les recommandations de sécurité.
ACHTUNG : Vor jedem Eingriff auf diesem Chassis, die Sicherheitsvorschriften lesen.
ATTENZIONE : Prima di intervenire sullo chassis, leggere le norme di sicurezza.
IMPORTANTE : Antes de cualquier intervención, leer las recomendaciones de seguridad.
- 0603
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T V
42WB02S
Plasma
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Table of Contents
Summary of Contents for Technicolor - Thomson 42WB02S
- Page 1 SERVICE MANUAL DOCUMENTATION TECHNIQUE TECHNISCHE DOKUMENTATION 42WB02S DOCUMENTAZIONE TECNICA DOCUMENTACION TECNICA Plasma WARNING : Before servicing this chassis please read the safety recommendations. ATTENTION : Avant toute intervention sur ce châssis, lire les recommandations de sécurité. ACHTUNG : Vor jedem Eingriff auf diesem Chassis, die Sicherheitsvorschriften lesen.
- Page 2 Do not disconnect modules when they are energized! Repairs on power supply section are to be carried out only with isolating transformer. Ne pas retirer les modules lorsqu' ils sont sous tension. N'effectuer les travaux de maintenance sur la partie reliée au secteur (Switch Mode) qu'au travers d'un transformateur d'isolement.
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Page 3: Table Of Contents
CONTENTS Page Page SAFETY PRECAUTIONS ......4 BLOCK DIAGRAM ......20 DISASSEMBLY SCHEMATIC DIAGRAMS Removing the leg tube assembly . -
Page 4: Safety Precautions
IMPORTANT SAFETY PRECAUTIONS 1. Before returning an instrument to the customer, always make a safety check of the entire instrument, including the following items, but not limited to them. a. Be sure that no built-in protective devices are defective and/or have been defeated during servicing. (1) Protective shields are provided on this chassis to protect both the technician and the customer. - Page 5 3. Design Alteration Warning: Do not alter or add to the mechanical or electrical design of this unit. Design alterations and additions, including, but not limited to, circuit modifications and the addition of the items such as auxiliary audio and/or video output connections might alter the safety characteristics of this Projection Monitor and create a hazard to the user.
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Page 6: Removing The Leg Tube Assembly
HOW TO EXCHANGE THE MASK & PANEL PROCEDURE 1. Removing the Leg Tube Assembly Unscrew 4 screws from "Leg Tube Assembly." (Specification of screw driver is 15± 2kg), see fig.1 Fig. 1 Push the "Leg Tube Assembly." downward to unlock and pull it away from unit, then unscrew 4 screws from rear cover. (Specification of screw -driver is 15±... -
Page 7: Removing The Rear Cover
2. Removing the rear cover Unscrew 12 screws from rear cover, see red arrow (Specification of screw driver is 15± 2 kg) Unscrew 8 screws from rear cover, and unscrew 2 screws from AC power socket, see red arrow (Specification of screw driver is 9±... -
Page 8: Removing The Filter
4. Removing the Mask and the J5 cable from PCB Fig. 5 5. Removing the filter Unscrew 10 screws from mask (Specification of screw driver is 15± 2 kg), then remove four angles that hold the PDP filter. (Be careful: Please do not bump or scrape when handling the PDP filter.) Before putting panel back clean PDP filter make sure it's free from dust. - Page 9 Remove the Control buttons from old Mask and reinstall them on the new Mask. Control buttons Fig. 8 Please to aim at red arrow to guide and there is have a channel when you put down glass back to new mask Fig.
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Page 10: Troubleshooting
TROUBLESHOOTING No power Switch the power on Replace Not correct Check "Power Imput" module "Power input" module Correct Replace Not correct Check Panel Power Supply Panel Power Supply Correct Replace Standby & Audio Power Supply First issue 06 /03... -
Page 11: No Picture
No picture Replace Not correct Check Image board Image board Correct Replace PDP module First issue 06 / 03... -
Page 12: Vertical Line Fail
Vertical line fail Replace Not correct Check Interface Board-Z Interface Board-Z Correct Replace Not correct Check X Amp Board-Left X Amp Board-Left Correct Replace Not correct Check X Amp Board-Right X Amp Board-Right Correct Replace PDP module First issue 06 /03... -
Page 13: Horizontal Line Fail
Horizontal line fail Replace Not correct Check Interface Board-Y Interface Board-Y Correct Replace Not correct Check Y Amp Board-Top Y Amp Board-Top Correct Not correct Replace Y Amp Check Y Amp Board-Bottom Board-Bottom Correct Replace PDP module First issue 06 / 03... -
Page 14: No Command
No command Switch the power on Replace the Not correct Check remote control battery or the remote control Correct Replace Not correct Check Front Button Front Button Control Board Control Board Correct Replace Image Board First issue 06 /03... -
Page 15: Adjustments
ADJUSTMENTS PANEL voltage adjustment Power voltage adjust for TTL panel The power voltage should be adjusted and checked when changing the panel or power board MAIN POWER BOARD Vs ADJ -Vy ADJ Vset ADJ Va ADJ GND PO INT *NOTE: ADJUSTMENT KNOB 1. -
Page 16: Color Temperature In Dvi Mode
Digital Voltage meter the negative(+) to get main power board:(GND) PCB pin. 3. Digital Voltage meter the anode(-) to get main power board: (-Vy) CN802 Vy Connect pin. Adjust VR (-Vy) = -80 ±0.3Vdc 4. Digital Voltage meter the anode(-) to get main power board: (Vset_up) CN802 Vset_up Connect pin. Adjust VR 105(Vset) = 220 ±0.3Vdc 5. - Page 17 5. Dark level and bright level center block definition: A. Dark level center block definition: [WINDOW] Mode Format 1 Window Flicker None Size H/V 28.5/34.0 (%) Analog R/G/B 25/25/25 (10 IRE white output pattern) B. Bright level center block definition: [WINDOW] Mode Format...
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Page 18: Color Temperature In Rgb Mode
3. 7180K bright level center block adjustment procedure: (Please set Astro VG-828H DVI bright level center block signal to 60 IRE) A. Press (Zoom -) or (Zoom+) key in remote control to select G-GAIN, and adjust Y=40±2FL B. Press (Zoom -) or (Zoom+) key in remote control to select R-GAIN, and adjust x=308±15FL C. - Page 19 A. 7180K *Note: GAIN Gamma and BIAS Gamma have no R G B - C T 7 1 8 function under RGB mode. : 2 9 8] *Note: When adjusting the color temperature, I A S please note what is the input source and what input the PDP is, the input source and the PDP input mode should be the same.
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Page 20: Block Diagram
BLOCK DIAGRAMS S p eaker Aud io A m p lif ie r Boa rd S p eaker X A m p PD P P A N E L M O D U L E B o a rd- Left Fr ont B u tto n Logic Im a g e... -
Page 21: Schematic Diagrams
SCHEMATIC DIAGRAMS SUB-WOOFER 12V_0 12 V _0 + CS 1 47 uF Lc h 16 V Lc h Rc h Rc h IC S 1 GN D N J M455 8M GN D MU TE _1 MU TE _1 IC S 2 1/ 2V C C RS 1 RS 2... -
Page 22: Video System Regulator Power
VIDEO SYSTEM REGULATOR POWER V33T MP U6 0 BA033 VI N VOU T C 309 C 310 100uF C 313 C 314 10uF C 315 C 316 0.1uF 0.01uF 0.1uF 0.01uF For IP00C711 V33P U6 2 BA033 VI N VOU T C 321 C 322 100uF... -
Page 23: Digital System
DIGITAL SYSTEM (CPU - EEPROM - I/O) P[0..7] P[0..7] A[0..19] S B5V_CPU N/W27C010_5 10K 1/16W S B5V_CPU EEPROM(DIP32) 10K 1/16W 10K 1/16W SB5V N/1.5K N/1.5K 74LVT04 74LVT04 1/16W 1/16W TD O TD O TM S 1/8W TM S TC K S B5V_M TC K S B5V_CPU... -
Page 24: Osd - Usb -Rs232
DIGITAL SYSTEM (OSD - USB - RS232) 5V_O SD R5 4 1/ 16W U1 1 R5 5 R5 6 R5 7 R5 8 MT V130 N/ 1K N/ 1K N/ 1K P[ 3] PO C LKO SD 1/ 8W 1/ 16W 1/ 16W 1/ 16W 1/ 16W... -
Page 25: Hsync Sw - Clock
DIGITAL SYSTEM (HSYNC SW - CLOCK) U1 5 R7 7 74LVC 157 1/ 16W P[ 8] DV I_HS PI H S P[ 5] DDCV S Y NC P [7] P[ 7] PLLH SO PI VS P[ 5] P[ 8] DV I_V S R7 8 FG V S P[ 7,8,9]... -
Page 26: Buffer - Panel Connector
DIGITAL SYSTEM (BUFFER - PANEL CONNECTOR) RP 35 74LV C244ADB R38 2 1/16W PC LK_LG 22 o hm BBLANKn DS BLKH BPC LKO POC LK 1/16W BVSY NCO DS VSY NC0 P[ 3,5] POC LK 1 A1 1Y 1 TP 0 BHSY NCO DS HSY NC0 TP 0... -
Page 27: Image Scaling
DIGITAL SYSTEM (IMAGE SCALING) 74LVC 157 PCSI P[1] PC SCS N/CON6 SSCS P[1] PCn_MPU P[1] SS O PCSCLK SSCLK SCLK P[1] SCLK PCn_MPU VIP 711 0.1uF MA_IP11 TP 43 MD_IP[0..47] P[6] GN D MA_IP13 TP 44 CS n_IP P[6] RASn_IP P[6] N/HE ADER 1X2 1/16W... -
Page 28: Image Sdram 16 M
DIGITAL SYSTEM (IMAGE SDRAM 16M) P[ 5] MA _IP [0..13] P[ 5] MD _I P[ 0..47] U2 5 516 0L16-7 U2 6 516 0L16-7 U2 7 MD _IP 32 MA _IP 0 516 0L16-7 DQ 0 MD _IP 33 MA _IP 1 MD _IP 16 MA _IP 0 DQ 1... -
Page 29: Flat Panel Interface
DIGITAL SYSTEM (FLAT PANEL INTERFACE) V33PLL VD D 33 U2 8 V33PLL V33PLL BA033LBSG VC C OU T C1 05 C1 06 C9 9 R4 8 C1 07 C1 00 C1 01 C1 02 C1 03 C1 04 V33AD C 0.1uF 0.01u F 10u F... -
Page 30: Panel Link Receiver Dvi
DIGITAL SYSTEM (PANEL LINK RECEIVER DVI) 1/16W V33SB T 128A-BJS T T 128A-BJS T T MDSD2P RX2P SII161BC T T MDSD2N RX2N 1/8W T MDSD1P RX1P Q O[0..7] PID[40..47 ] P[5,7] T MDSD1N RX1N VDVID T MDSD0P RX0P VDVIA RP23 QO 0 OV CC QO 0... -
Page 31: Vga - I/O
DIGITAL SYSTEM (VGA - I/O) C159 SB5V_V R377 0.01uF C163 0.01uF 1/16W C160 C161 R383 22uF 0.1uF C172 1/16W 47uF VG A_GIN GI N ROUT R351 0 1/16W 2SC2412KB Q C176 C162 R149 100PF 47uF C169 C165 GOU T R353 0 1/16W R145 1/8W... -
Page 32: Audio Circuit
AUDIO CIRCUIT L_IN 12V_0 FRO M AV SEL E C T O R R_ IN 120K 22uF Rc h 2.2uF 1/16W GN D GN D 1/16W 2SC2412KBQ SU RR 1 SU RR 1 MUT E_1 MUT E_1 SU RR 2 SU RR 2 2.2uF 220K... -
Page 33: Video System Connector
VIDEO SYSTEM (CONNECTOR) +24V P24 V TO AUDIO PW B J6 B P10 79- 1-2-- C 333 C 380 C 334 C4 8 DVI/R GB 330uH 220uF 0.22uF 0.22uF 2.2uF R7 2 C4 7 R7 4 J1 1 SB 5V 1000P F C P 031C -E J S T- 1/ 16W... -
Page 34: Digital (Front Board)
DIGITAL (FRONT BOARD) R1 69 R1 67 R1 68 5VSB_ F P 7.5K 1.5K 3.3K JA 3 1/ 16 W 1/ 16 W 1/ 16 W C P 0316 -E J S T- 5VSB_ F P R1 70 GN D 68 0 R1 71 R1 72... - Page 35 This technical documentation is for use by maintenance technicians only Documentation technique exclusivement destinée aux professionnels de la maintenance Diese Angaben und Hinweise sind ausschließlich für den Service des Fachhändlers bestimmt Documentazione tecnica destinata esclusivamente ai tecnici dell'assistenza Documentación técnica destinada exclusivamente a los profesionales de mantenimiento THOMSON multimedia Scandinavia AB Florettgatan 29 C...