Question about Flat Panel Televisions
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
Tips for a great answer:
Vizio HDTV- Lips out of sync
Anyone with a new Vizio E601i-A3 60" or 70" HDTV that is
having audio "Lips out of sync problems" with a cable or satellite box.
On Comcast cable boxes (or others), here's what you need to
do: FIND MENU for AUDIO or HDMI setup on
CABLE BOX or Satellite Box.
1. Turn on TV and have Cable box Turned OFF.
2. Press MENU on COMCAST REMOTE.
3. Go to AUDIO Setting OR HDMI Setting. (On cable or Sat.
4. Change setting from Auto to L-PCM. (Turn off cable box to
This should resolve any "out of sync" lips to picture after
commercials on HD channels.
*This is a handshaking issue from the cable box to the Vizio
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