Question about Sony FD Trinitron WEGA KV-32FS120 32" TV
TV is about 5 years old. When you first turn it on, it has a clear bright picture (normal). After a few minutes the screen shrinks rapidly to a single line and the tv powers off (reminds me of the old B/W Zenith console my folks had when I was a kid). Second and repeated attempts to turn it on result in the same, only the time before the screen shrinks gets shorter and shorter until it just turns on, flashes the single line and shuts off.
I would like to know if this is a major repair or a simple repair and approximately how much.
Since the set works initially, there are likely poor solder connections at the vertical IC. If this is not addressed soon, the IC will fail and need to be replaced. The vertical IC is a small flat IC with about 11 pins or so that may be marked LA7837 or something similar. Try resoldering the pins first. If that fails to resolve the problem, replace teh IC. Feel free to post the marking here so I can verify you have the correct one.
Posted on Jul 30, 2008
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Posted on Jan 02, 2017
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