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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.
3.3 BLOCK DIAGRAM
Summary of Contents for AL1911
Page 20: ...20 ...
Page 30: ...30 7 TROUBLESHOOTING 7 1 Main Procedure AM969 ...
Page 31: ...31 ...
Page 32: ...32 7 1 1 Power Circuit Troubleshooting ...
Page 33: ...33 7 1 2 Backlights Troubleshooting VI 902 ...
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: ...1 Appendix A Parts list Note Please access to the website of http aicsl acer com tw spl ...
Page 49: ...1 Appendix B DISPLAY Assembly ...
Page 50: ...2 ...
Page 53: ...5 ...
Page 54: ...6 ...
Page 57: ...1 Appendix C PCBA Assembly ...
Page 58: ...2 ...
Page 60: ...4 ...
Page 61: ...5 ...
Page 62: ...6 ...
Page 63: ...7 ...
Page 64: ...8 ...
Page 65: ...9 ...
Page 69: ...13 ...
Page 71: ...15 ...