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ViewSonic Corporation
Confidential - Do Not Copy
VG1921wm-2
29
(4). When the picture show “Verify OK”, ISP finished.
8 After repair, to ensure the quality you should do the following test and
adjustment
Item Content Equipment
Test OSD function
1.Signal is set as 1280x1024@60Hz
2. LCM button are from left to right, checking whether each single
function key and compound function key can be worked.
Chroma
Signal Generator
Contrast Check
1. Set input mode to 1280x1024@60Hz
2. Set Pattern to 32 gray shades
3. Set contrast to the max. The brightest 6~8 shades brightness cannot
be distinguished.
Chroma
Signal Generator
Summary of Contents for VG1921wm-2
Page 5: ...ViewSonic Corporation Confidential Do Not Copy VG1921wm 2 2 4 Handling and Placing Methods...
Page 6: ...ViewSonic Corporation Confidential Do Not Copy VG1921wm 2 3...
Page 35: ...Disassembly Procedure ViewSonic Corporation Confidential Do Not Copy VG1921wm 2 32...
Page 36: ...ViewSonic Corporation Confidential Do Not Copy VG1921wm 2 33...
Page 37: ...ViewSonic Corporation Confidential Do Not Copy VG1921wm 2 34...
Page 38: ...ViewSonic Corporation Confidential Do Not Copy VG1921wm 2 35...
Page 51: ...ViewSonic Corporation Confidential Do Not Copy VG1921wm 2 48...
Page 61: ...ViewSonic Corporation Confidential Do Not Copy VG1921wm 2 58 11 PCB Layout Diagrams...
Page 62: ...ViewSonic Corporation Confidential Do Not Copy VG1921wm 2 59...