Service manual

5. Adjusting Procedure

1. Function test

(1) Test equipment

Color video signal and pattern generator (or PC with SXGV resolution)

(2) Test condition

Before function testing and alignment, the unit must warm up for at least 30 minutes under the

following conditions:

1. Room temperature

2. With full-white screen , RGB , black pattern

3. with cycled display modes.

2. Test display modes

Item Timing Analog Digital

1. 640 x 350 @ 70Hz, 31.5kHz Yes Yes

2. 640 x 400 @ 70Hz, 31.5kHz Yes Yes

3. 640 x 480 @ 60Hz, 31.5kHz Yes Yes

4. 640 x 480 @ 67Hz, 35.0kHz Yes Yes

5. 640 x 480 @ 72Hz, 37.9kHz Yes Yes

6. 640 x 480 @ 75Hz, 37.5kHz Yes Yes

7. 720 x 400 @ 70Hz, 31.5kHz Yes Yes

8. 720 x 480i 59.94/60Hz @ 15.7 kHz Yes Yes

9. 720 x 576p 50Hz @ 31.25kHz Yes Yes

10. 720 x 576i 50Hz @ 15.62kHz Yes Yes

11. 800 x 600 @ 56Hz, 35.1kHz Yes Yes

12. 800 x 600 @ 60Hz, 37.9kHz Yes Yes

13. 800 x 600 @ 75Hz, 46.9kHz Yes Yes

14. 800 x 600 @ 72Hz, 48.1kHz Yes Yes

15. 832 x 624 @ 75Hz, 49.7kHz Yes Yes

16. 1024 x 768 @ 60Hz, 48.4kHz Yes Yes

17. 1024 x 768 @ 70Hz, 56.5kHz Yes Yes

18. 1024 x 768 @ 72Hz, 58.1kHz Yes Yes

19. 1024 x 768 @ 75Hz, 60.0kHz Yes Yes

20. 1280x720p 50Hz @ 37.5kHz Yes Yes

21. 1280x 720 @ 60Hz, 45kHz Yes Yes

22. 1280 x 1024 @ 60Hz, 63.4kHz Yes Yes

23. 1280 x 1024 @ 75Hz, 79.97kHz Yes Yes

24. 1600 x 1200 @ 60Hz, 75kHz Yes Yes

25. 1600 x 1200 @ 70Hz, 87.5kkHz Yes No

26. 1600 x 1200 @ 75Hz, 93.8kHz Yes No

27. 1680 x 1050 @ 60Hz, 65.3 kHz Yes Yes

28. 1680 x 1050 @ 75Hz, 82.3 kHz Yes No

29. 1920 x 1080i @ 50Hz, 56.5kHz Yes Yes

30. 1920 x 1080p @ 50Hz, 62.5kHz Yes Yes

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