Adjusting Procedure - ViewSonic VG712s Service Manual

5. Adjusting Procedure

1. Function Test
1.1 Product
- 17" LCD Monitor
1.2 Test Equipment
- Color Video Signal & Pattern (or PC with SXGA resolution and a sound card)
1.3 Test Condition
Before function test and alignment, each LCD Monitor should be run-in and warmed up for at least 30 minutes
with the following conditions:
(a) In room temperature,
(b) With full-white screen, RGB, and Black
(c) With cycled display modes,
640*480 (H=43.27KHz, V=85Hz)
800*600 (H=53.7KHz, V=85Hz)
1024*768 (H=68.67KHz, V=85Hz)
1280*1024 (H=79.97KHz, V=75Hz)
1.4 Test Display Modes & Pattern
1.4.1 Compatible Modes
1. 640 x 350 @ 70Hz, 31.5KHz
2. 640 x 400 @ 60Hz, 31.5KHz
3. 640 x 400 @ 70Hz, 31.5KHz
4. 640 x 480 @ 50Hz, 24.7KHz
5. 640 x 480 @ 60Hz, 31.5KHz
6. 640 x 480 @ 67Hz, 35.0KHz
7. 640 x 480 @ 72Hz, 37.9KHz
8. 640 x 480 @ 75Hz, 37.5KHz
9. 640 x 480 @ 85Hz, 43.27KHz
10. 720 x 400 @ 70Hz, 31.5KHz
11. 800 x 600 @ 56Hz, 35.1KHz
12. 800 x 600 @ 60Hz, 37.9KHz
13. 800 x 600 @ 75Hz, 46.9KHz
14. 800 x 600 @ 72Hz, 48.1KHz
15. 800 x 600 @ 85Hz, 53.7KHz
ViewSonic Corporation
Analog Digital
640 x 350 @ 70Hz, 31.5KHz
640 x 400 @ 60Hz, 31.5KHz
640 x 400 @ 70Hz, 31.5KHz
640 x 480 @ 50Hz, 24.7KHz
640 x 480 @ 60Hz, 31.5KHz
640 x 480 @ 67Hz, 35.0KHz
640 x 480 @ 72Hz, 37.9KHz
640 x 480 @ 75Hz, 37.5KHz
640 x 480 @ 85Hz, 43.27KHz
720 x 400 @ 70Hz, 31.5KHz
800 x 600 @ 56Hz, 35.1KHz
800 x 600 @ 60Hz, 37.9KHz
800 x 600 @ 75Hz, 46.9KHz
800 x 600 @ 72Hz, 48.1KHz
800 x 600 @ 85Hz, 53.7KHz
Confidential - Do Not Copy
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VG712s/b