Christie DHD675-E, Service Manual

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4-12 E Series 675/775 Service Manual
020-000546-04 Rev. 1 (04-2017)
Section 4: Troubleshooting
4.6 Image Performance Troubleshooting (continued)
Previous
Page
Is tilt sensor
functioning OK?
Is uniformity OK?
Does lens shift
work well?
No Fault Found
End
No
Yes Yes Yes
Check if
the auto ceiling
function is enabled in
the OSD
No
Change Main Board
Yes
Enable auto ceiling function
No
Make sure the projection
lens is clean
No
Is uniformity OK?
Is the
brightness of the
lamp in spec?
No
Change the Lamp Module
No
Is uniformity OK?
Change the Engine
Module
No
Yes
Yes
Does lens shift
H work well?
Does lens shift
V work well?
Change Motor-H Change Motor-V
Does lens shift
H work well?
Does lens shift
V work well?
Change
Connector
Board-A
Change
Connector
Board-A
Does lens shift
H work well?
Does lens shift
V work well?
Does lens shift
H work well?
Does lens shift
V work well?
Change
Engine
Module
Change
Engine
Module
Change
Main
Board
Change
Main
Board
No
No
No
No
Yes
Yes
Yes
Yes
No
No
No
No
Yes
Yes
Yes
Yes