Acer P1200 - Restore Blower Speed; Color Wheel Index Adjustment

P1100C/P1200i/P1200B
Condential
4-12
4-10 Restore Blower Speed
Procedure
- Hold on the "Power" button, then plug in
power cord.
- The Power LED ashes red and blue for 2
seconds, then ashes blue.
- Once the Power LED ashes 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).
picture (2)
picture (1)
4-11 Color Wheel Index Adjustment
Check pattern - Test signal: 1024*768@60Hz
- Test pattern: 64 gray RGBW
Procedure - 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.
Inspection item - Color saturation
Criteria - There should not have any lack of RGBW.
- Color levels should be sufcient and normal.
Note: Color Wheel Index should be adjusted when the test pattern
appears ashing, abnormal color, or missing color.