Adjusting The Rod Assembly; Adjusting The Focus; Adjusting The Back Focus - Christie GS Series Service Manual

Adjusting the ROD assembly

Avoid over-adjusting the ROD to prevent damage.
Warning! Failure to comply with the following could result in death or serious injury.
• This projector has built-in Class 4 laser module. Never attempt to operate the projector without all
covers properly installed unless instructed to do so in this manual for service.
• Do not look into the projector lens when the laser is on. The extremely high brightness can cause
permanent eye damage.
1. Remove the top cover.
See Removing the top cover
2. To power on with the top cover removed, firmly hold the interlock switch on the left-side cover.
3. Project an image of 100 inches in a dark environment (< 2 Lux).
4. Enter Service mode.
See Entering Service mode
5. Click Test Pattern, select the White Screen test pattern.
6. To adjust the ROD assembly on the engine module, tighten or loosen the two M3 screws (shown
below).
7. Adjust the ROD until the yellow or blue image artifacts disappear.
8. To fix the screws, use Loctite 222 or green glue (BONBOND LOCK BB-2100).

Adjusting the focus

If the projected image appears fuzzy with the unbalance over 50 cm, perform adjusting the focus.
Warning! Failure to comply with the following could result in death or serious injury.
• This projector has built-in Class 4 laser module. Never attempt to operate the projector without all
covers properly installed unless instructed to do so in this manual for service.
• Do not look into the projector lens when the laser is on. The extremely high brightness can cause
permanent eye damage.
GS Series 700-850 Service Manual
020-001054-02 Rev. 1 (04-2017)
on page 57.
on page 13.
Screw 1
Service setups
Screw 2
20