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The TV go on and off repeatedly. And will not stay on.

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Re: The TV go on and off repeatedly. And will not stay...

What model number and manufacturer is your set?

Posted on Jan 17, 2008

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Samsung TV model LN32A450C1DXZA, after turning the TV on it will turn itself off shortly after and then turn itself back on shortly thereafter. Then it repeats that several times before staying on.

Hi there,

If the tv is still under warranty, this can be repaired at no charge.

However, if not under warranty, you will need to have the CAPACITORS on the main power supply circuit board tested (or replaced).

The capacitors responsible for the power supply can sometimes fail - open the back panel. If the capacitors on the main power supply board look too fat, or signs of burning near the solder joints, then you've found the problem.

Hope this helps.



Feb 01, 2013 | Samsung LE Projection Televisions

1 Answer

Green light stays on, while the tv has black screen? and stays on for 2mins and than black screen come on, than 20secs later turns on again and this happens repeately

if its a rear projection it could be the light bulb is bad or blown. You can get ideas of what the lights mean at sony. If its the light don't buy one from Pure Glare. com They send out bad or blown bulbs.

Dec 08, 2011 | Sony Projection Televisions

1 Answer

A message flashes at the bottom of the screen

tv is overheating.  possible that fan not working or temperature protection circuit faulty.  check fan for excessive dirt first.  could be as simple as cleaning the fan

Jul 29, 2010 | Mitsubishi WD-57731 57" Projection HDTV

2 Answers

Lcd tv loses picture, power lght flashes grn; picture return

It sounds lamp is weak in TV and requires replacement.
I would be in better position to help you out if you post model and brand of your TV.

Dec 31, 2009 | Projection Televisions

1 Answer

Sony kdlf-50e2000 will only stay on for 5-1o min then the screen will go out?

If TV turns back on itself and repeat that on-off cycle then its time for new lamp in TV.
How old is this TV and when did you replace its lamp?

Sep 26, 2009 | Sony KDF-50E2000 50" HDTV

2 Answers

Picture problem

This is a common problem with this TV set. You can get the parts, chips, and instructions to fix it your self from

Aug 09, 2009 | Philips Magnavox 51MP392H Rear Projection...

3 Answers


The standby light should be flashing in a repeated count with a short pause between the counts. If you could post that count here, it will give us an indication of the circuit in which a problem was found and allow us to provide solutions.


Oct 10, 2008 | Projection Televisions

1 Answer

Projection TV keeps shutting down

Good Day;

Sounds like you have a bad green picture tube that has failed. To check this out; remove front speaker grill, remove small panel, you will see three CRT's (pictue tubes) sticking down, remove the little board on the middle tube then restore power. If TV stays on more then likely the CRT is bad but not always the driver on board could also be bad, check voltages.

Good Luck, big IRISH.

Sep 05, 2008 | Mitsubishi VS-45607 45" Rear Projection...

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