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You could try this link, but it would be far cheaper to upgrade to a new or second user LED/LCD monitor
http://www.eserviceinfo.com/index.php?what=search2&searchstring=schematics+diagrams+hp+7540+crt+monitor
it could be th epower supply and it could be the monitor.
power ON button should not flash orange regardless what you do. it should stay green. then orange. not orange to green to orange.
try the monitor on another PC if you can fine one.
the other thing is are the 2 monitor similar (CRT to CRT and LCD to LCD), you can't mix the the two, they will work but need different video driver to function correctly.
Here is what you have been asking.
q901 --- K2645
q902 --- KSP44
u90 --- uc 3842P
It seems you problem is in the power supply switching circuit.
I hope this will solve your problem.
Please let me know if this has solved your problem
junr7
My name is Johan. I need a schematic diagram of the LG Studioworks 700s monitor, aswell as a parts list. Can anyboby please assist me?
Thanks
Johan
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