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.. .. P/N : 41A50-144 .. .. 1.. 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 : JULY. 2001 REVISE 7 SEP 2001 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......................... 7-8 4-3 FRONT PANEL CONTROL KNOBS ............................................................ 9 5. CIRCUIT & SOFTWARE DESCRIPTION ................ 10 5-1 THE DIFFERENT BETWEEN EACH PANEL ……………………………. 10 5-2 SPECIAL FUNCTION WITH PRESS KEY ……………………………….. 10 5-3 THE OPTIONAL ON MAINBOARD USING SHUTTLE & 4 KEY.. 10 5-4 THE OPTIONAL ON MAINBOARD OR OTHER ACCESSORY USING DIFFERENT PANEL 10 5-5 SIMPLE INTRODUCTION ABOUT LM500 CHIPSET …………………... 11 5-6 SOFTWARE FLOW-CHART 12 6. A). INTERFACE-BOARD TROUBLE SHOOTING CHART .................... 14 B). INVERTER - MODULE TROUBLE SHOOTING CHART .................... 23 I. CHI-MEI-inverter spec & trouble shooting chart 23 C). ADAPTER TROUBLE SHOOTING CHART & BOM....... 50 D). AUDIO TROUBLE SHOOTING CHART & BOM E). Main-chip GMZAN1 specifications 54 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 3.. 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 4. Input Video Signal : Analog-signal 0.7Vpp Video signal termination impedance 75 OHM 5. Scanning Frequencies : Horizontal: 29 KHz - 80 KHz Vertical: 55 Hz – 75 Hz Pixel clock: 135 MHz 6. Factory Preset Timing : 18 User Timings : 19 Input signal tolerance : H tolerance ..1 K, V tolerance .......... 7. Power Source : Switching Mode Power Supply AC 100 – 240 V, 50/60 Hz Universal Type 8. Operating Temperature : 0.. - 50.. Ambient Non-operating Temperature : -20.. - 60.. 9. Humidity : Operating : 20% to 80% RH (non-condensing) Non Operating : 5% to 95%RH (38.7.. maximum wet bulb temperature) 10. Weight : 5.5 kg 11. External Connection : 15Pin D-type Connector, AC power-Cord 12. View Angle : x-axis right/left = 60, y-axis up/down = 40 ,60 13. Outside dimension : Width x Height x Thickness = 422x 449 x 215 mm 14. Plug and Play : VESA DDC1/DDC2B 15. Power saving : VESA DPMS 4.. 1-2 LCD MONITOR DESCRIPTION The LCD MONITOR will contain an main board, an Inverter module, keyboard and External Adapter which house the flat panel control logic, brightness control logic, DDC and DC-DC conversion The Inverter module will drive the backlight of panel . The Adapter will provides the 12V DC-power 5 Amp to Main-board and Inverter module . Monitor Block Diagram 1-3 Interface Connectors (A) AC-Power Cable (B) Video Signal Connectors and Cable (C) External Adapter Inverter Flat Panel and CCFL backlight Main Board or Interface Board Keyboard RS232 Connector For white balance adjustment in fa...