Question about Sony FD Trinitron WEGA KV-36FS120 36" TV
My tv has grey rolling lines across the screen.
This is possibly a problem with the low voltage power supply, or it could be a problem with the tuner. To test this out. What I need for you to do is to disconnect the cable from you cable TV set top box to the RF connector of your TV. Then I want you to connect either your composite or component video cables from the set top box to the TV and using the remote switch the input from the RF (tuner) to the composite input and note if this removes those lines. The select the component video input from the menu and note if this gets rid of those lines.
If the lines disappear for the composite and component video input test. Then the problem is in the tuner, if the lines remain then the problem is in the power supply or there is a video problem.
In either case after the test I would suggest that you have a qualified TV technician troubleshoot the TV and repair the problem. At least you will have input to tell the technician on whether the problem is in the tuner or the power supply/video section.
I hope this helps,
Posted on Nov 22, 2008
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Posted on Jan 02, 2017
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