Restore Blower Speed; Color Wheel Index Adjustment - Acer P1200 Service Manual

4-10 Restore Blower Speed

Procedure

Color Wheel Index Adjustment

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Check pattern
Procedure
Inspection item
Criteria
Note: Color Wheel Index should be adjusted when the test pattern
appears flashing, abnormal color, or missing color.
- Hold on the "Power" button, then plug in
power cord.
- The Power LED flashes red and blue for 2
seconds, then flashes blue.
- Once the Power LED flashes red, loosen
the "Power" button.
- After about 5 seconds, the projector will be
on and the message appears as the
picture (1) shows.
- After about 70 seconds, get into Service
Mode to check the Blower Speed has been
recorded as the picture (2).
- Test signal: 1024*768@60Hz
- Test pattern: 64 gray RGBW
- Test equipment: video generator
- Please press "Power", "Left", "Left" and
"Menu" buttons sequentially to get into
Service Mode.
- Adjust "Color Wheel Index" to correct the test
pattern.
- Color saturation
- There should not have any lack of RGBW.
- Color levels should be sufficient and normal.
P1100C/P1200i/P1200B
picture (1)
picture (2)
Confidential
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