Service manual

2
TABLE OF CONTENTS
PAGE
1. SPECIFICATIONS .................................................................................................... 3
1-1 GENERAL SPECIFICATIONS ...................................................….............. 3
1-2 LCD MONITOR DESCRIPTION .................................................................. 4
1-3 INTERFACE CONNECTOR .................................................................……. 4
2. PRECAUTION AND NOTICES ................................................................................ 5
2-1 ASSEMBLY PRECAUTION ......................................................................... 5
2-2 OPERATIONG PRECAUTION ..................................................................... 5
2-3 STORAGE PRECAUTION …........................................................................ 5
2-4 HIGH VOLTAGE WARNING ....................................................................... 5
3. OPERATING INSTRUCTIONS ................................................................................ 6
4. ADJUSTMENT .......................................................................................................... 7
4-1 ADJUSTMENT CONDITIONS AND PRECAUTIONS ............................... 7
4-2 ADJUSTMENTS METHOD .& DESCRIPTION........................................... 7
4-3 FRONT PANEL CONTROL KNOBS ............................................................ 8
5. CIRCUIT & SOFTWARE DESCRIPTION ................ 9
5-1 THE DIFFERENT BETWEEN EACH PANEL ……………………………. 9
5-2 SPECIAL FUNCTION WITH PRESS KEY ……………………………….. 10
5-3 SIMPLE INTRODUCTION ABOUT LM500 CHIPSET …………………... 11
5-4 SOFTWARE FLOW-CHART 13
6. TROUBLE SHOOTING............................................................................................. 15
A).MAIN BOARD TROUBLE SHOOTING CHART .. .................................... 15
B). INVERTER - MODULE TROUBLE SHOOTING CHART ........................... 19
7. MECHANICAL OF CABINET FRONT DIS-ASSEMBLY...................................... 21
8. PARTS LISTING .........................................................................................………... 22
9. SCHEMATIC.............…………………………………............................................ 34
10. PCB LAYOUT .....................................................................………………………... 37