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3. VL-901 DISPLAY CONTROL BOARD
3.1
Description
The VL-901 display control board is design to directly convert the analog RGB signals from
standard VGA display card to optimum LCD timing signals so as to construct a high display
quality LCD monitor.
3.2
Features
•
On board embedded micro-processor to detect display timings and control user
functions.
•
Using Genesis gm5120 design to generate optimum LCD timings.
•
Using E
2
PROM to memorize every adjusted parameter.
•
support up to 22 display modes from VGA to SXGA.
•
Offer full screen expansion function on non-SXGA mode (automatic).
•
flexible color temperature selection function including 9300,6500,7500 and user
mode.
•
Support OSD functions.
•
Support VESA DPMS function.
•
Support DDC2B functions.
•
Support 5 languages for OSD description.
•
The longest time for mode change is 3 seconds.
Summary of Contents for AL922
Page 21: ...21 3 3 BLOCK DIAGRAM ...
Page 31: ...31 7 TROUBLESHOOTING 7 1 Main Procedure ...
Page 32: ...32 7 1 1 Power Circuit Troubleshooting ...
Page 33: ...33 7 1 2 Backlights Troubleshooting ...
Page 34: ...34 7 1 3 Performance Troubleshooting ...
Page 35: ...35 7 1 4 Function Troubleshooting ...
Page 38: ...38 Back Cover Cable Cover Gap 0 8 mm B 1 2 mm Base Cover Neck Cover Gap 0 8 mm C 1 2 mm ...
Page 42: ...42 WAVESHAPE ...
Page 48: ...48 APPENDIX A PARTS LISTS ...
Page 50: ...50 A 4 461A7830011 Firmware Ctrl Board VL 901 ...
Page 53: ...53 APPENDIX B DISPLAY UNIT ASSEMBLY ...