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File name 3082274-AOC-LCD-Monitor-786LS-Service-Manual.pdf

SERVICE MANUAL 17" LCD Monitor 786LS THESE DOCUMENTS ARE FOR REPAIR SERVICE INFORMATION ONLY. EVERY REASONABLE EFFORT HAS BEEN MADE TO ENSURE THE ACCURACY OF THIS MANUAL; WE CANNOT GUARANTEE THE ACCURACY OF THIS INFORMATION AFTER THE DATE OF PUBLICATION AND DISCLAIMS RE LIABILITY FOR CHANGES, ERRORS OR OMISSIONS, MANUFACTURE DATA : Aug 28 2002 REVISE: Mar 17 2003 1 TABLE OF CONTENTS PAGE 1. SPECIFICATIONS ... 1-1 GENERAL SPECIFICATIONS ... 1-2 LCD MONITOR DESCRIPTION ... 1-3 INTERFACE CONNECTOR ... 2. PRECAUTION AND NOTICES ... 2-1 ASSEMBLY PRECAUTION ... 2-2 OPERATIONG PRECAUTION ... 2-3 STORAGE PRECAUTION ... 2-4 HIGH VOLTAGE WARNING ... OPERATING INSTRUCTIONS ... ADJUSTMENT ... 4-1 ADJUSTMENT CONDITIONS AND PRECAUTIONS ... 4-2 ADJUSTMENTS METHOD .& DESCRIPTION... 4-3 FRONT PANEL CONTROL KNOBS ... CIRCUIT & SOFTWARE DESCRIPTION ...,... 5-1 SPECIAL FUNCTION WITH PRESS KEY ... 5-2 CIRCUIT FUNCTION DESCRIPTION... 5-3 SOFTWARE FLOW CHART... INTERFACE-BOARD TROUBLE-SHOOTING CHART ... INVERTER ­MODULE SPEC &TROUBLE SHOOTING CHART... 3 3 3 3 5 5 5 5 5 6 7 7 7-8 9 10 10 10-11 12 14-21 22-25 26 27-28 29 30 31-36 3. 4. 5. 6. A). B). 7. 8. 9. MECHANICAL OF CABINET FRONT DIS-ASSEMBLY... SVC_BOM LISTING FOR LGE PART NO ... POWER SYSTEM AND CONSUMPTION CURRENT... 10. PCB LAYOUT ... 11. MAINBOARD SCHEMATIC DIAGRAM ... 2 1. SPECIFICATIONS FOR LCD MONITOR 1-1 General specifications 1. LCD-Panel : Active display area Pixel pitch Pixel format 17 inches diagonal 0.264 mm x 0.264 mm 1280 x 1024 RGB vertical stripe arrangement 2. Display Color : 6-bit, 16.2 million col