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TV Tech1
TV Tech1, Technician
Category: TV
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Experience:  30 Years experience. Authorized Warranty servicer.
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My 42" flat screen TV - about 18 months old suddenly goes to

Customer Question

my 42" flat screen TV - about 18 months old suddenly goes to blue screen, no sound. i run up and down the channels and the picture returns only to go back to blue screen a few minutes later.
Submitted: 2 years ago.
Category: TV
Expert:  TV Tech1 replied 2 years ago.

You're losing your tuner's rf amp signal. If you use an outdoor antenna, cable or satellite reception, it's possible to have wiring / amp issues not TV issues. Always check your wiring FIRST, try a spare TV on that connection, and make sure it works reliably.