Question about Televison & Video
T.V. is about one year old. We have 3 of the same make. The screen on the newest T.V. turns 90% black on, so far, 3 Channels. Comcast came out and said it has nothing to do with them since we are getting a signal. need a solution. Will you advise? Thank you. Richard Shepherd, San Ramon, Ca. 94583
Sounds like a tuner or video problem. I have to agree with Comcast, if it were a loss of signal problem, what you would see normally is a blue screen (video mute) and/or more often than not same problem on all channels. Off hand, the only easy user thing you can do would be to do a hard reset, that is unplug the unit from the mains or a couple of hours. If after the hard reset things are still the same, then perhaps your best bet would then be to seek the services of a qualified service technician.
Should you wish to venture a do-it-yourself diagnosis, you need to be comfortable working with electronic components and circuitry, familiarity with a DVM and perhaps even a soldering iron. Diagnosis would relatively be easy since you have 2 other units that you can use as a template for readings. Still you can go through board swapping until you have isolated the defect.
Hope that this be of some help/idea. Pls post back how things turned out or should you need additional information. Likewise, pls include brand/model of your TV.
Good luck and kind regards.
Posted on Dec 21, 2007
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Posted on Jan 02, 2017
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