Question about Standard (CRT) Televisions
When the TV is not warm, there is only an horizontal line on the screen. It's like all the screen is compressed into one line. The rest is dark. When the TV gets warmer and you hit it on the right side, screen strech and everything is OK.
If you can hit it, it is probabl;y just bad solder joints on the vertilcal output IC (yes thats right vertical, because it stretches,or in your case compresses the picture vertically). kind of hard to point you to it if you've never been in a tv but it will be a little chip standing up mounted onto a piece of metal (heat sinc). There will be a few though the IC will likely have 1 row of pins maybe 7-10. And probably have a part number on it that begins with "LA" like maybe LA7838. You can tap around the different heat syncs with a NON-METALIC with the TV on until you find the one that is sensitive that should help you identify the vertical IC. Any way unplu flip the PCB over and resolder that IC. That should take care of it.
Posted on Dec 28, 2007
Thanks alot it it worked great!!!
Posted on Mar 26, 2009
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