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 the performance is not normal, replace the main board or I/O
board (see
Replacing the main board
Running a VGA port performance test
To verify the VGA port functionality, conduct a performance test on the VGA port.
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. Switch the signal source to VGA.
The image of video generator should be projected.
Running a HDMI port performance test
To verify the HDMI port functionality, conduct a performance test on the HDMI port.
ID
Part name
1
Test equipment
2
Test signal
3
Inspection item
4
Inspection distance
5
Criteria
To perform the HDMI port performance test, complete the following steps.
1. Connect the projector and DVD player using a HDMI cable.
2. Switch the signal source to HDMI.
The image of DVD player is projected.
HS Series 2K Service Manual—D13HD2-HS, D13WU2-HS, D16HD-HS, D16WU-HS, D20HD-HS, D20WU-HS
020-001468-02 Rev. 1 (01-2020)
Copyright ©2020 Christie Digital Systems USA Inc. All rights reserved.
on page 94, and
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
Description
DVD player with HDMI output set to 16:9
480p, 720p, 1080p
HDMI port performance test
1.8 to 2.2 m
No abnormal color performance, line distortion, or noise exist on the screen
Removing the I/O board
Service setups
on page 99 ).
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