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SERVICE MANUAL
SPECTRUM Series
LCD Monitor
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LM-700/LM-700A
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P/N : 41A50-144
Free Datasheet Download http://www.Chinadz.Com http://www.Icver.Com
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THESE DOCUMENTS ARE FOR REPAIR SERVICE INFORMATION ONLY. EVERY
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REASONABLE EFFORT HAS BEEN MADE TO ENSURE THE ACCURACY OF THIS
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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 : JULY. 2001
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REVISE 7 SEP 2001
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TABLE OF CONTENTS
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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.
4-1 ADJUSTMENT CONDITIONS AND PRECAUTIONS ...............................
4-2 ADJUSTMENTS METHOD .& DESCRIPTION.........................
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ADJUSTMENT .......................................................................................................... 7
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4-3 FRONT PANEL CONTROL KNOBS ............................................................ 9
5. CIRCUIT & SOFTWARE DESCRIPTION ................
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5-1 THE DIFFERENT BETWEEN EACH PANEL .................................. z 10
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5-2 SPECIAL FUNCTION WITH PRESS KEY ......................................
5-3 THE OPTIONAL ON MAINBOARD USING SHUTTLE & 4 KEY..
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5-4 THE OPTIONAL ON MAINBOARD OR OTHER ACCESSORY USING
DIFFERENT PANEL
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5-5 SIMPLE INTRODUCTION ABOUT LM500 CHIPSET ........................
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5-6 SOFTWARE FLOW-CHART 12
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A). INTERFACE-BOARD TROUBLE SHOOTING CHART ....................
B). INVERTER - MODULE TROUBLE SHOOTING CHART ....................
I. CHI-MEI-inverter spec & trouble shooting chart
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C). ADAPTER TROUBLE SHOOTING CHART & BOM.......
D). AUDIO TROUBLE SHOOTING CHART & BOM
E). Main-chip GMZAN1 specifications
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7. MECHANICAL OF CABINET FRONT DIS-ASSEMBLY...................................... 64
8. PARTS LISTING ..................................................................................................... 65
9. POWER SYSTEM AND CONSUMPTION CURRENT............................................ 73
10. PCB LAYOUT ................................................................................................... 74
11. MAINBOARD SCHEMATIC DIAGRAM .................................................. 75
12. ADAPTER SCHEMATIC DIAGRAM
13.AUDIO SCHEMATIC DIAGRAM
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1. SPECIFICATIONS FOR LCD MONITOR
1-1 General specifications
1. LCD-PANEL :
Active display area 17 inches diagonal
Pixel pitch 0.264 mm x 0.264 mm
Pixel format 1280 x 1024 RGB vertical stripe arrangement
2. Display Color :
8-bit, 16.7 million colors
3. External Controls :
Power On/Off, Auto key, Left key, Right key ( for 4-key )
OSD menu Controls
Contrast, Brightness, Focus, Clock,H-position, V-position, Language, Recall-7800, Recall-6500, Reset,
Exit-osd, Red, Green, Blue, Selected Dos-resolution
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4. Input Video Signal :
Analog-signal 0.7Vpp
Video signal termination impedance 75 OHM
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5. Scanning Frequencies :
Horizontal: 29 KHz - 80 KHz
Vertical:
Pixel clock:
55 Hz