Gateway GTW-P42M102 Service Manual
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Gateway GTW-P42M102 Service Manual

Gateway GTW-P42M102 Service Manual

42“ pdp display
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42" PDP DISPLAY
SERVICE MANUAL
MODEL： ： ： ：
GTW-P42M102
PDP-008-1(Module Format)
Issues:27-Sep-02
Version:1.0
CONFIDENTIAL

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Summary of Contents for Gateway GTW-P42M102

  • Page 1 42“ PDP DISPLAY SERVICE MANUAL MODEL： ： ： ： GTW-P42M102 CONFIDENTIAL PDP-008-1(Module Format) Issues:27-Sep-02 Version:1.0...

  • Page 2: Table Of Contents

    CONTENTS 1. IMPORTANT SAFETY PRECAUTIONS ……….1-2 2. SPECIFICATION……...2-9 3. FACTORY & ELECTRONIC ADJUSTMENT..….3-7 4. BLOCK DIAGRAM…………………...……4-1 5. TROUBLE SHOOTING GUIDES.……………...…5-6 6. P.C.BOARD TOP VIEW…………..……………….6-8. 7. ELECTRONIC MODULES LIST..…………………7-1 8. EXPLODED VIEW…………………..……………..8-1 9. PACKAGING LIST …………...………………….9-1...

  • Page 3: Important Safety Precautions

    IMPORTANT SAFETY PRECAUTIONS 1. Before returning an instrument to the customer, always make a safety check of the entire instrument, including, but not limited to, the following items. 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 4 IMPORTANT SAFETY PRECAUTIONS 4. Hot Chassis Warning— — — — a. Some Monitor chassis are electrically connected directly to one conductor of the AC power cord and may be safely serviced without an isolation transformer only if the AC power plug is inserted so that the chassis is connected to the ground of the AC power source.

  • Page 5: Specification

    SPECIFICATION FOR GTW-P42M102 PLASMA DISPLAY VER1.0 SCOPE: These specifications describe all the characteristics of the 42 inch color monitor. ELECTRICAL REQUIREMENTS: 2.1. Display panel: a. Screen size b. Aspect ratio c. Number of pixels d. Pixel Pitch e. Luminance f. Chromatically 2.2.
  • Page 6 SPECIFICATION FOR GTW-P42M102 PLASMA DISPLAY VER1.0 2.3.4 RGB Signal: a. Type b. Polarity c. Amplitude d. Frequency 2.3.5 DVI Signal: a. Type b. Polarity c. Frequency 2.3.6 Audio Signal: 2.3.7 Pin Assignments For D-SUB Connector (In / Loop Out): Signal Assignment...
  • Page 7 SPECIFICATION FOR GTW-P42M102 PLASMA DISPLAY VER1.0 2.3.9 RGB/DVI For VESA Standard: Mode No Resolution 640(VGA)× × × × 480 640(VGA)× × × × 480 640(VGA)× × × × 480 640(VGA)× × × × 480 800(SVGA)× × × × 600 800(SVGA)× × × × 600 800(SVGA)×...
  • Page 8 SPECIFICATION FOR GTW-P42M102 PLASMA DISPLAY VER1.0 2.4. Display Performance Requirements: The data of display performance are measured based on the following. Conditions unless otherwise specified. a. Ambient temperature b. Warm up period c. Line input voltage : d. Viewing distance e.
  • Page 9 SPECIFICATION FOR GTW-P42M102 PLASMA DISPLAY VER1.0 DIMENSIONS: Width Height Depth 3.1. Package Dimensions: Width Height Depth 3.2. Weight: Net weight Gross weight ENVIRONMENT: 4.1. Operating: Temperature Relative humidity Pressure 4.2. Non-Operating: Temperature Relative humidity Pressure Vibration 4.3. Acoustics: (IHF A-weighted 1meter) SOUND: a.
  • Page 10 SPECIFICATION FOR GTW-P42M102 PLASMA DISPLAY VER1.0 RF Sensitivity (Peak) CH 2 ~ CH 13 CH 14 ~ CH 69 CATV CH A-5 ~ CH W+29 AFT Pull-In Range CH 2 ~ CH 13 CH 14 ~ CH 69 CATV CH A-5 ~ CH W+29...
  • Page 11 SPECIFICATION FOR GTW-P42M102 PLASMA DISPLAY VER1.0 Vibration Test Forward and backward Right and left Up and down Power Management: Mode Normal Stand-by Power saving This Plasma display is Energy star compliant when used with a computer equipped with DPMS. Note: The power indicator LED color is green in normal state, yellow in stand-by and power saving state.
  • Page 12 SPECIFICATION FOR GTW-P42M102 PLASMA DISPLAY VER1.0 APPENDIX A : Preset Timing Chart Item Description: Total time Active display area including borders Active display area excluding borders Left/Top border Right/bottom border Blanking time Front porch Sync-width Back porch Mode No Resolution &...
  • Page 13 SPECIFICATION FOR GTW-P42M102 PLASMA DISPLAY VER1.0 Mode No Resolution 1024 & Refresh Rate Pixel Horizontal visible 1024 Horizontal total 1344 Horizontal front porch Horizontal sync Horizontal back porch Horiz blanking time Vertical visible Vertical total Vertical front porch Vertical sync...

  • Page 14: Factory & Electronic Adjustment

    FACTORY & ELECTRONIC ADJUSTMENT VER1.0 1. PANEL voltage adjustment POWER VOLTAGE ADJUST FOR LG 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 POINT *NOTE:...
  • Page 15 FACTORY & ELECTRONIC ADJUSTMENT 3. FOLLOW THE PANEL LABEL VOLTAGE TO ADJUST VR (Va=75V, Vs=175V, -Vy=-80, Vset_up=220V ) 4. CHECK VOLTAGE BETWEEN "CHECK POINT" AND GROUND. 5. ADJUST SEQUENCE Va ADJ Vs ADJ Vset_up -Vy ADJ Vset_up ADJ VER1.0...
  • Page 16 FACTORY & ELECTRONIC ADJUSTMENT 2. Color Temperature Adjustment 2.1.1 Color Temperature setting in DVI Mode: (1) Turn on PDP set and warm up for over 30 minutes. (2) Turn on Color Analyzer CA-100 and reset CA-100. (3) Switch PDP input to DVI mode, press the “Recall” key on remote control to have PDP set in factory default status.
  • Page 17 FACTORY & ELECTRONIC ADJUSTMENT *Note: When adjusting the color temperature, 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. (7) Put the color analyzer CA-100 in the center of the screen. 2.1.2 Adjusting procedure: (1) Receive Chroma C-2226 DVI dark level center block signal (10 IRE), press the factory key in PDP remote control to go into factory mode, you will see the...
  • Page 18 FACTORY & ELECTRONIC ADJUSTMENT Pattern set = Pattern name = 1-mosaic, Color form = norm, B. Background color = 0 Foreground color = 17 According to C-2226 user manual, appendix analog-color: Normal Pen from Pen 17 = R: 102, G: 102, B: 102 102 (output amplifier)/1024 (total amplifier)=10%, therefore the 10% is the 10 IRE white output pattern.
  • Page 19 FACTORY & ELECTRONIC ADJUSTMENT C. Press MENU key in remote control to select B-BIAS, and adjust y=343±10FL D. Adjust R/G/B-BIAS, make sure the final value x=335±10FL, y=343±10FL, Y=0.35FL (3) 5400K bright level center block adjustment procedure: (Please set Chroma C- 2226 RGB bright level center block signal to 60 IRE) A.
  • Page 20 FACTORY & ELECTRONIC ADJUSTMENT B. Press MENU key in remote control to select R-GAIN, and adjust x=335±10FL C. Press MENU key in remote control to select B-GAIN, and adjust y=343±10F D. Adjust R/G/B-GAIN, make sure the final value x=335±10FL, y=343±10FL, Y=30FL.

  • Page 21: Block Diagram

    BLOCK DIAGRAM RF,AV1,AV2 AV w / Tuner Component1,2 Board Front Button Control Board VGA IN DVI IN RS232 IN Standby & Audio Power Supply Board Panel Pow er Supply Module Pow er Input Module AC IN AC Master Power Switch Board Audio Amplifier...

  • Page 22: Trouble Shooting Guides

    TROUBLE SHOOTING GUIDES SET POWER ON Power Input Module (3141Q00005A) Check Panel Power Supply (3501Q00001A) Check Standby &Audio Power Supply (PW-0500) Check No Power Replace Standby &Audio Power Supply (PW-0500) Check VER1.0 Replace Power Input Module (3141Q00005A) Check Replace Panel Power Supply (3501Q00001A) Check...
  • Page 23 TROUBLE SHOOTING GUIDES No Picture AV w/ Tuner Board (DPWB11396-1G-T-) Check Image Board (DPWB11393-1G--L) Check PDP Panel Module (PDP42WVSN3S) Check No Picture Replace Image Board (DPWB11393-1G--L) Check Replace PDP Panel Module (PDP42WVSN3S) Check VER1.0 Replace AV w/ Tuner Board (DPWB11396-1G-T-) Check...
  • Page 24 TROUBLE SHOOTING GUIDES Vertical Line Fail Interface Board-Z (6871QZH019A) Check X Amp Board-Left (6871QLH015A) Check X Amp Board-Right (6871QRH013A) Check PDP Panel Module Assembly (PDP42WVSN3S) Check Vertical Line Fail Replace X Amp Board-Left (6871QLH015A) Check X Amp Board-Right (6871QRH013A) Check Replace PDP Panel Module Assembly (PDP42WVSN3S)
  • Page 25 TROUBLE SHOOTING GUIDES Horizontal Line Fail Interface Board-Y (6871QYH018A) Check Y Amp Board-Top (6871QDP025A) Check Y Amp Board-Bottom (6871QDP026A) Check PDP Panel Module Assembly (PDP42WVSN3S) Check Horizontal Line Fail Replace Y Amp Board-Top (6871QDP025A) Check Y Amp Board-Bottom (6871QDP026A) Check VER1.0 Replace Interface Board-Y (6871QYH018A)
  • Page 26 TROUBLE SHOOTING GUIDES SET POWER ON Remote Control Check Front Button Control Board (DPWB11372-1G-K-) Check Image Board (DPWB11393-1G--L) Check No Remote Control Replace Battery Replace Front Button Control Board (DPWB11372-1G-K-) Check Replace Image Board (DPWB11393-1G--L) Check VER1.0 Replace...
  • Page 27 TROUBLE SHOOTING GUIDES SET POWER ON Front Button Control Board (DPWB11372-1G-K-) Check Image Board (DPWB11393-1G--L) Check Front Button Fail VER1.0 Replace Front Button Control Board (DPWB11372-1G-K-) Check Replace Image Board (DPWB11393-1G--L) Check...
  • Page 28 P.C. BOARD TOP VIEW MODULE NAME IMAGE BOARD ASS'Y MODULE NAME AC MASTER POWER SWITCH B/D ASS'Y PART NO. DPWB11393-1G--L PART NO. DPWB11395-1G--- VER1.0...
  • Page 29 P.C. BOARD TOP VIEW MODULE NAME AUDIO AMPLIFIER BOARD ASS'Y MODULE NAME FRONT BUTTON CONTROL BOARD ASS'Y PART NO. DPWB11372-1G-S- PART NO. DPWB11372-1G-K- VER1.0...

  • Page 30: P.c.board Top View

    P.C. BOARD TOP VIEW MODULE NAME AV W/ TUNER BOARD ASS'Y MODULE NAME STANDBY & AUDIO POWER SUPPLY ASS'Y PART NO. DPWB11396-1G-T- PART NO. PW-0500 VER1.0...
  • Page 31 P.C. BOARD TOP VIEW MODULE NAME LOGIC BOARD ASS'Y MODULE NAME PANEL POWER SUPPLY ASS'Y PART NO. 6871QCH013A PART NO. 3501Q00001A VER1.0...
  • Page 32 P.C. BOARD TOP VIEW MODULE NAME POWER INPUT MODULE ASS'Y MODULE NAME X AMP BOARD-LEFT ASS'Y PART NO. 3141Q00005A PART NO. 6871QLH015A VER1.0...
  • Page 33 P.C. BOARD TOP VIEW MODULE NAME X AMP BOARD-RIGHT ASS'Y MODULE NAME Y AMP BOARD-TOP ASS'Y PART NO. 6871QRH013A PART NO. 6871QDP025A VER1.0...
  • Page 34 P.C. BOARD TOP VIEW MODULE NAME Y AMP BOARD-BOTTOM ASS'Y MODULE NAME INTERFACE BOARD-Y ASS'Y PART NO. 6871QDP026A PART NO. 6871QYH018A VER1.0...
  • Page 35 P.C. BOARD TOP VIEW MODULE NAME INTERFACE BOARD-Z ASS'Y MODULE NAME PDP PANEL MODULE ASS'Y PART NO. 6871QZH019A PART NO. PDP42WVSN3S VER1.0...

  • Page 36: Electronic Modules List

    ELECTRONIC MODULES LIST Model Name: GTW-P42M102 Module Image Board AC Master Power Switch Board Audio Amplifier Board Front Button Control Board AV w/ Tuner Board Standby & Audio Power Supply Logic Board Panel Power Supply Power Input Module X Amp Board- Left...

  • Page 37: Exploded View

    EXPLODED VIEW VER1.0...

  • Page 38: Packaging List

    PACKAGING LIST VER1.0...

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