Service setups
HS Series 2K Service Manual—DWU1612-HS,DWU2022-HS
32
020-001790-01 Rev. 1 (03-2020)
Copyright ©2020 Christie Digital Systems USA Inc. All rights reserved.
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
on page 94, and
Running a VGA port performance test
To verify the VGA port functionality, conduct a performance test on the VGA port.
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.
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.
ID
Part name
Description
1
Test equipment
Video generator
2
Test signal
1920 x 1200 @60Hz General-1
3
Inspection item
VGA port performance test
4
Inspection distance
1.8 to 2.2 m
5
Criteria
No abnormal color performance, line distortion, or noise exist on the screen
ID
Part name
Description
1
Test equipment
DVD player with HDMI output set to 16:9
2
Test signal
480p, 720p, 1080p
3
Inspection item
HDMI port performance test
4
Inspection distance
1.8 to 2.2 m
5
Criteria
No abnormal color performance, line distortion, or noise exist on the screen
Summary of Contents for DWU1612-HS
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