Service setups
GS Series 630-635 Service Manual
22
020-001224-02 Rev. 1 (08-2018)
1. Project the 64 Gray RGBW test pattern.
2. Enter Service mode.
See
3. Click Wheel Index (3x) or select Wheel Index (2x).
4. Click Phosphor Index.
5. Set up for the phosphor index value.
Only confirm the blue color as the other color levels are not taken into account.
a. Adjust the index upwards until blue does not appear smooth.
b. Record the a index value.
c. Adjust the index downwards until blue does not appear smooth.
d. Record the b index value.
e. Set the index value to (a+b)/2.
Adjusting the color index
After replacing main board, cooling module, color wheel, and upgrading firmware, adjust the color
index.
Warning! Failure to comply with the following could result in death or serious injury.
• Do not look into the projector lens when the laser is on. The extremely high brightness can cause
permanent eye damage.
ID
Part name
Description
1
Test equipment
Video generator
2
Test timming
• 1080P: 1920 x 1080 @60Hz
• WUXGA: 1920 x 1200 @60Hz
3
Test pattern
64 Gray RGBW, 256 Gray
4
Inspection items
• Check if the color level is supersaturated.
• If the color level is supersaturated, the 64 Gray RGBW and 256 Gray test patterns
appear blurred and fuzzy.
