Electronics Repair (sci.electronics.repair) Discussion of repairing electronic equipment. Topics include requests for assistance, where to obtain servicing information and parts, techniques for diagnosis and repair, and annecdotes about success, failures and problems.

 
 
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Bob Kos
 
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Default Sony Monitor GDMFW-900 Noise / Screen Dropout

Hi All:

I have recently resurrected a Sony 24" GDMFW-900 computer monitor from the
trash. It was in bad shape with regards to being full of dirt & debris ( &
spilled beer ). It has been working fine for the most part over the last
month or so. It has one anomalie that concerns me. Every once in a while,
I will hear a light 'crack' noise. At that same instant, the picture
collapses for just a brief second. It comes right back on and continues
working as if nothing has happened. I've only wittnessed this about 6 times
since I got the monitor running. But it happened twice in one day recently.
As such, I'm sure that whatever is happening is going to get worse. One
time only I noticed that there were a few errant single pixel high
horizontal lines that dashed around the screen immediately before it cracked
/ collapsed. Again, it was fine afterwards.

Any thoughts on what's going on? Anything preventive that can be done to
save the set before it blows up a bunch 'o parts? If I took this into a
shop, it might have to run continuously for a week before the problem would
show. And then it might only happen once for another week or two. I'd like
to nip this in the bud if possible. Thanks for any thoughts & suggestions.

Bob
bobkos at earthlink dot net


 
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