Question about Sony FD Trinitron WEGA KV-32FS120 32" TV

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Screen shrinks to 10 cm horizontal line

Hi to all, i have the model listed above, my problem is that the screen shrinks to 10 cm horizontal line usually after turning on 4 a while but it can occur suddenly, if the tv shuts off for a while it will pass and work normally. i think it may be linked to the vertical spreading Amp.. any help will be wellcomed.

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Yes, you are correct. Usually what I find in a set like that with that symptom is that the solder joints have cracked and come loose on the vertical output IC. That is the IC which drives the yoke coils that spread the picture up and down. If you have soldering experience then you can locate this IC and resolder its pins but if you have never worked on PC boards then have a qualified tech handle it for you. This is a very easy thing to repair so it should not cost too much.

Posted on Aug 07, 2007


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