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- problem in sun GDM 20E20 Monitor
October 25, 2007, 7:48 pm
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i hv two Sun GDM 20E20 . some time it got the problem when it was
running. suddenly red color got off. now the only red and green color
comes in screen . in second monitor there is only red color .plz
help me wht may be the problem??
i hv checked for cold solder but i hvn' found any cold solder .
i gave my monitor for repairing in my city but he couldn't found exact
problem in it .
he told me there is problem in color processing IC. but i don't know
which IC processes the color.
I think tube is ok bcoz i hv changed the board which connected to back
when i interchange the board the problem is also interchanged.
Can any buddy tell me which IC may be faulty
thanx in advance every buddy
Re: problem in sun GDM 20E20 Monitor
It may not be the chip. You should use a scope and follow the video process
path to determine where the failure actually is.
In most of the Sony monitors, there is a main driver IC on the video board
that is on the CRT socket. There are also other devices that can cause this
type of fault.
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