Question about RCA F27650 27" TV
We used the TV yesterday AM without problem. In the evening we found that power button light on front of TV would flicker briefly then go out, no power to the screen. Tried turning on manually and with remote. We tried unplugging and reconnecting as suggested in the manual, no change. Then it started making a high pitched noise which stopped when we unplugged it.
That high pitched noise you're hearing is the power supply telling you that it has too much of a load on it and lowered its operating frequency which in effect cuts its output way down! Normally you don't hear any thing since the power supply operates at a frequency that's beyond human hearing. In an RCA this indicates more than likely that your horizontal output transistor is shorted and this short was caused by the flyback transformer shorting. This is a common happening with RCA's You'd need to take to a tv shop and have it checked out. Stargazer
Posted on Feb 04, 2007
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Posted on Jan 02, 2017
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