I/O Port Function Test; Running A Vga Port Performance Test - Christie GS Series Service Manual

6. Project the 256 Gray pattern.
7. To ensure normal and sufficient color levels, set up the color index value by pressing the Left or
Right button.

I/O port function test

Always perform the I/O port function test after repairing the main board, the light engine, or
upgrading the scalar firmware. If performance is not normal, replace the main board or I/O board
(see Replacing the main board and I/O board

Running a VGA port performance test

ID Part name
1 Test equipment
2 Test signal
3 Inspection item
4 Inspection distance
5 Criteria
To perform the VGA port performance test, complete the following steps.
1. Connect the projector and video generator using a VGA cable.
2. Select the signal source VGA.
The image of video generator is projected.
GS Series 700-850 Service Manual
020-001054-02 Rev. 1 (04-2017)
on page 78).
Description
Video generator
1920 x 1200 @60Hz General-1
VGA port performance test
1.8 to 2.2 m
No abnormal color performance, line distortion, or noise exist on the screen
Service setups
27