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Proscan led tv will show green light but no picture and no sound then cannot turn off unless i unplug

Proscan 24" led will not turn on just green light comes on but no picture and no sound. then will not turn off needs to be unplugged

Posted by Anonymous on

6 Suggested Answers

6ya6ya
  • 2 Answers

SOURCE: I have freestanding Series 8 dishwasher. Lately during the filling cycle water hammer is occurring. How can this be resolved

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Posted on Jan 02, 2017

  • 1 Answer

SOURCE: No picture - power indicator shows red

It will have to go into the shop! Our LG Plasma did the same thing twice now.

Posted on Apr 01, 2008

  • 1894 Answers

SOURCE: 42 inch Akai plasma - no pix no sound

i think your power board has some serious problem

Posted on May 21, 2008

  • 1 Answer

SOURCE: no picture or sound, light comes on in the front and have to unplug tv to turn it off.

I had this exact problem on my Vizio 47" HDTV. I removed the speakers and all the screws on the back cover. Took the cover off and located the fuses on the largest circuit board. The are in the upper right hand corner of the board. There are 3 of them in a row labeled LF 1.5, LF 3.0 and LF 3.0. The are white in color with copper ends. I took a volt meter and measured continuity across all fuses individually and found the LF 1.5 to be blown. The guy at the electronics store sold me a barrel 1.5A fuse and told me to soldier it across the top of the blown fuse. It took an extra set of hands but the TV works perfectly.

Posted on Jun 23, 2009

dsacco86
  • 1077 Answers

SOURCE: TV won't come on - get a blinking red light instead

Most likely the TV has a power supply related problem. The most common thing to go out is the circuit board that supply power to the screen. Commonly called a Backlight Inverter Board.
I can't say it's 100% the problem because I can't actually look at the tv over the internet.
If by chance the TV is still under warranty, go that route.
If not under warranty and If you have some electronic experience, you can purchase a Service Manual over the internet and diagnose the source of the problem and fix it by soldering in the new part. The Service Manual will give you the flashing red light codes, circuit diagrams, test points, and part# lists. Usually, cost under $20.

I hope I shed some light on the subject for you.

Posted on Jul 01, 2009

  • 44 Answers

SOURCE: NO Picture or Sound on my FLM 26-32

Either one of two problems, the main power supply has an issue or has gone bad. 'Not supplying the correct voltages to your processing/controlling board' or that you are having problems with your processing/controlling board. My guess is the main power supply board.
A Good TV Service Shop would give you an idea of what the cost of repair should be. Call around.
Blessing,
A/V Media Tech Guy

Posted on Nov 24, 2009

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