Sanyo PDG-DSU30 - 2500, Service Manual

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Confidential
4-7
PDG-DSU30
- Test signal: 800 x 600@60Hz, 1080i
- Test Pattern: Master, 64 gray RGBW
* Please Use 800 x 600@60Hz signal & 64 gray 800 x 600@60Hz signal & 64 gray @60Hz signal & 64 gray
RGBW pattern and 1080i signal & master pat -
tern to do color performance test. Color can not
discolor to purple and blue.
Inspection item - Check if each color level is well-functioned.
- Color saturation
Criteria - Screen appears normal. It should not have any
abnormal condition, such as lines appear on the
screen and so on.
- Color appears normal.
- It is unacceptable to have few lines flashing.
- RGBW should all appear normal on the screen
and sort from R -G-B-W.
- Color levels should be sufficient and normal.
(The unidentified color levels on both left and
right sides should not over 4 color levels.)
- Gray level should not have abnormal color or
heavy lines.
- If color appears abnormal, please get into serv -
ice mode to do color wheel index adjustment.
4-8 Video Performance
1. CVBS
Procedure - Test equipment: DVD player
- Test signal: CVBS
Inspection item - Video performance test
Inspection Distance - 1.8M ~2.8M
Criteria
- Check any abnormal color, line distortion or any
noise on the screen.
Motion video
Master
64 gray RGBW