Christie DS Series Service Manual page 24

No/Irregular screen is displayed.
Check the LCD
panels connection to DRIVE
PCB.
OK
Replace MAIN PCB
or DRIVE PCB
or LENS/PRSM Assy.
Picture is not displayed correctly via COMPUTER IN port.
Try
whether changing
INPUT PCB can fix the
problem?
YES
Replace INPUT PCB.
Picture is not displayed correctly via wired/wireless* LAN.
Can
communicate via wireless or
wired network?
YES
Is
total PC
connection number to
projector within
50?
YES
Is total
projector connection
number to a PC within
11?
YES
Update the LiveViewer to the latest version.
LWU900-DS/LHD878-DS/LWU755-DS
Service Manual
LWU900-DS / LHD878-DS / LWU755-DS
BAD
Replace the FPC connector,
P501: R, P601: G, P701: B.
NO
Replace MAIN PCB.
*: The USB wireless adapter is needed to use wireless LAN.
NO
Check the flow on page 17, 18.
NO
Re-connect after finish LiveViewer of other PCs.
NO
Re-connect after disconnecting other projectors.
Check the section of Troubleshooting for other Network problems
about other problems.
23
020-001586-01 Rev. 1 (02-2021)
LIT MAN SERV DS Series