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Won't power on

My 50" Sanyo hdtv won't power on. It starts to power on & shuts off immediately.

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Posted on Jan 02, 2017

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SOURCE: I'm working on a sanyo 50" hdtv, It wont power on,

The power supply board have 6 capacitors dead,must have very high current going through the tv to have that many cap to died on the power supply board.U have good electronic skills trouble shoot the power supply board again,have something else is dead in there?Or try website like Ebay.com to buy a refurbish power supply board for the replacement.

Posted on Nov 24, 2010

  • 1 Answer

SOURCE: sanyo 50" plasma flatscreen, hdtv

Picture frozen on one picture for some channels and blank on others. Sound is on. What could this be? We have a 50" Sanyo. HELP!

Posted on May 03, 2011

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2 Answers

RCA 50: HDTV, just started shutting itself off and won't come back on for several minutes or over an hour what could cause this


My friend had the same problem. There is some display bulb that is on its way out. They aren't cheap. Find a 2nd hand TV parts/repair shop, They usually have cheap used ones from discarded units, and will know what you need!

Sep 16, 2012 | RCA Televison & Video

1 Answer

Why is my 50 inch sanyo plasma power up with no picture then shutting down after a few seconds


A component in the TV is failing and is not receiving correct voltage, which is causing the TV to enter " protection mode" and shut off. Could be any part of the TV but I would start with the power supply and go from there.

For more info post the model number of your TV

Here is some basic info on testing the power supply.
TV Power supply general info

Jun 07, 2012 | Sanyo DP50747 50 in. Plasma TV

4 Answers

Will not come on it worked fine earlier.


Plasma and LCD TV sets are prone to having capacitors in the power supply section fail. This is the most likely cause for the probem you describe. When capacitors fail your will commonly see one or more of the following symptoms.
  • No video, Power light is on or blinking.
  • TV is making a clicking noise.
  • TV takes a while to come on
  • Screen is very dim or flickers.

Again, You can get a power supply repair kit with the parts, detailed instructions, and support from sites such as www.TvRepairKits.com . Or just click here to see more details on their kit.

Here are pictures of capacitors...Notice that the ones below look bloated. They have failed and will need to be repalced.



ecollier2012.jpg
Capacitor being replaced! Fairly easy DIY fix.

ecollier2012_0.jpg
Again, You can get a power supply repair kit with the parts, detailed instructions, and support from sites such as www.TvRepairKits.com . Or just click here to see more details on their kit.

May 17, 2011 | Sanyo DP42849 42 in. HDTV

1 Answer

Sanyo 50" plasma flatscreen, hdtv


Picture frozen on one picture for some channels and blank on others. Sound is on. What could this be? We have a 50" Sanyo. HELP!

Apr 13, 2011 | Sanyo DP32746 32 in. LCD Television

1 Answer

I'm working on a sanyo 50" hdtv, It wont power on,


The power supply board have 6 capacitors dead,must have very high current going through the tv to have that many cap to died on the power supply board.U have good electronic skills trouble shoot the power supply board again,have something else is dead in there?Or try website like Ebay.com to buy a refurbish power supply board for the replacement.

Nov 24, 2010 | Sanyo DP50747 50 in. Plasma TV

1 Answer

When i turn the TV on, the led turns green, then shuts of immediately.


You could either have a Power Supply board issue or a Y sustain module issue. I would have it diagnosed professionally.

Oct 04, 2010 | LG DU-50PX10 50 in. Plasma HDTV

1 Answer

Immediately Shuts off with blinking light codes


I suggest doing a google search using the tv model # and brand.
I have learned myself that different big screen tvs seem to each have their own common problems. I have read before of power supply issues that cause what your describing.

Mar 11, 2009 | Samsung HL-R5078W 50" HDTV

1 Answer

Power turns off right away


Its correct, Sony is no more selling plasma and I think many companies has already shut plasma production and CRT TV as well.
All TV manufacturers are busy in LCD TVs.

Jan 17, 2009 | Sony WEGA KE-50XS910 50 in. HDTV-Ready...

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