Service setups
GS Series 630-635 Service Manual
21
020-001224-02 Rev. 1 (08-2018)
Stop adjusting the dichroic mirror 3 (DM3) screws when the projector is in the following
standard range:
a. The brightness of P5 is at its maximum.
b. Color temperature of P4, P5, and P6: Max-Min </= 300K.
8. To fix the dichroic mirror 3 (DM3) screws, use Loctite 222 or green glue (BONBOND LOCK BB-
2100).
Adjusting the phosphor index
After replacing main board, cooling module, laser bank, and upgrading firmware, adjusting the
phosphor index must be done.
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
4
Inspection items
• Check if the blue color level is supersaturated.
• If the blue color level is supersaturated, the 64 Gray RGBW test pattern appears
blurred and fuzzy.
5
Criteria
• Blue colors in 64 Gray RGBW test pattern appear sharp and clear.
• No noise is visible on the screen.
Left
Right
