Question about Sony FD Trinitron WEGA KV-34HS420 34" TV
TV TURNS ON PIC AND SOUND FINE THEN PIC AND SOUND ON FOR 30 SEC AND OFF FOR 30 JUST KEEPS GOING BACK AND FORTH. TRIED USING DRY AIR TO REMOVE DUST FROM INSIDE TV, BUT DID NOTHING.
One of the power supply areas are most likely going intermittent. This can be from cold solder connections on the circuit boards, or from some components failing due to age.
An experienced tech should be able to service your set, but it will be expensive for the time involved. Sometimes these types of faults can be very time consuming to resolve.
Posted on Nov 25, 2008
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Posted on Jan 02, 2017
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