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I have a flat screen tv the picture work's but no sound the model number is gv47lfhdtv10a

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  • 76 Answers

If it is connected to external speakers, then make sure they are on the correct outputs terminals for the mode you are in. Most TVs have several outputs for speakers. Quickest method is to move them to the other outputs until you get sound.
if they are internal speakers, check your balance settings to make sure they are not accidentally balanced off.

Posted on Nov 22, 2014

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Posted on Jan 02, 2017

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SOURCE: model number LCT27HA36..will not turn on????

This TV is using a power supply MLT168A that has defective capacitors. Replacing the capacitors might fix it, but in some cases the failure is more then capacitors.
Write to jah2mil@hotmail.com if you required further assistance.

Posted on Aug 18, 2009

1chinatown
  • 67 Answers

SOURCE: Picture and sound out of sync

Had the same problem with a new "Insignia" hd set and my Sony receiver. Went to the TV inputs, scrolled thru the selection, which included the HDMI option. Choose it.................problem solved.

Posted on Sep 16, 2009

premtech
  • 934 Answers

SOURCE: no picture on flat panel tv. has sound

Sounds like the digital control board, 6871qch038a Lg Digital Control Module subs to 6871qch038c. But that's just a first something I would check in this unit. Replace also capacitor C19, 630V big blue square cap very common failure for no video. You might want to shop this one thee are a host of problems with this unit that would certainly get some needed attention if a qualified tech were testing it and looked up the bulletins.
Good Luck!

William Rayburn, CET
Premium Technologies

Posted on Oct 05, 2009

  • 1 Answer

SOURCE: My TV JVC Flat screen has no picture but does give sound

my 42" Emerson Plasma tv went blank. I can't see any picture but i do hear the sound?

Posted on Feb 20, 2010

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We have a Vizio model # GV47LFHDTV10A. When we went to bed last night the tv was working fine. We tried to turn it on this morning and nothing. There is some power. The Vizio logo lights up and so does the...


For the cheap guy like me who will probably do more harm than good:
Also check for the F3 Fuse on that same main input board. It is located in the upper right corner. Hard wired fuses; very small. You will see F1-F4 (F4 is empty). You can solder a replacement fuse right over it. I would recommend piggybacking the fuse with a fuse you can replace. Will need the holder and a new fuse. 6 bucks.
Doesn't solve problem, but I can go another 2 1/2 years and the wife won't blame me for screwing up the TV in the first place.

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