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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gfgray
 
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Default SONY KV-32S40 32" Trinitron screen distortion bowtie

The bottom half of my screen intermittently shrinks like a bowtie and
sometimes the picture would just disappear. Giving the TV a good
smack fixes it. Then, after the TV warms up, the problem no longer
intermittently appears.

I resoldered a bunch of connections. Now, when I turn the TV on, I
get the degauss sound and the power light blinks like it normally
does during warm up, but the picture never comes on. When I was
resoldering, I found a spot that looked like sony spilled some solder
and may have shorted two connections on the mainboard. I cleaned that
solder off. Could that have been an intentional solder connection on
this TV model?

Also, I pulled on that thick red wire that goes from this transformer
thing on the main board directly to the picture tube. I then
realized it wasn't supposed to come out of the transformer thing.
TIA


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