Question about Standard (CRT) Televisions
The picture will start normal (full screen) and then shrink down to a small band about 1/3 the size (in height). the picture is actually sqished at this point. The screen still has good clarity and color.
If you tap the curcuit board (lightly) or even the side of the tv ( a little harder) the picture will come back for a few seconds then shrink back down. can you help me with a possible solution to my problem?
Resolder the vertical deflection section. Change pump up capacitor if it has one...100uf is a typical value. Is the vertical output some flavor of LA783x ?? May need to replace. A model # would help.
Posted on Nov 04, 2007
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