Question about Sony FD Trinitron WEGA KV-36XBR800 36" TV
Video inouts do fine but the cable input has no signal.
no cable box ....plug directly to the TV.
We check with other TV and cable is fine.
It is very possible that the tuner and IF modules have failed. On more rare occasions, the supply voltage to these modules may be missing because of failed components in the regulator circuit that feeds the front end area.
Some other areas of failure can be the uPC controler may not be addressing the front end functions, or the input switching control is not working properly.
The mentioned problems would require an experienced TV tech who has the service manuals, and the tools and facilities to troubleshoot and service your set.
If you decide to have the set serviced ask for an estimate. It may be expensive to fix.
Posted on Oct 01, 2008
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Posted on Jan 02, 2017
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