Question about Sharp 27N-S100 27" TV

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Sharp 27" tv

Have a problem with the vertical, after set is on for awhile, picture shrinks top & bottom, suspect a cap in the vertical ckt. not sure which one, any help would be appreciated.

Posted by Mark Moore on

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ALways check for connections. Caps usally get better with heat not worse, but maybe. with out the resources of a service center id say if you suspect a cap change them all i would guess though more likely the IC or a connection becaues you say it is good cold and bad hot

Posted on Apr 23, 2007

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Hi,

Initially I would suspect a problem in the Vertical section of the TV. This could either be the capacitor or the IC itself. In some instances, there are no component failures but rather cold solder joints.

Based on your post/description of :...Once in awhile picture returns to normal...", I am more inclined to think that it is a case of cold solder. which can easily be corrected by reapplying heat on the IC pins or the other associated/nearby components with the use of a soldering iron. Care must be exercised since TV units still pack high voltages even when off and unplug.

Hope this be of help/idea. Pls post back how things turned up or should you need additional information.

Good luck and kind regards.
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