Question about Sanyo DP32746 32 in. LCD Television

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TV shutting off

When you turn the tv on, it shuts off within seconds, what is causing this? Model is PLV55WHD1

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Its the problem of ic numbers 438 or ic nuber 453 getting overheated on the main board .this ic needs to be checked and repaired.

Posted on Mar 06, 2009

  • lacey champagne Sep 28, 2013

    How do I check it? I'm not that tech savvy

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6ya6ya
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2 Answers

It coming on and after a couple of seconds cut off


Without a brand AND model number or a better description of the problem, any suggestions would be nothing more than a guess.

Unless you are prepared to repair the TV yourself, professionally performed repair, even simplest ones, will probably exceed the cost of a new LCD replacement set.

Due to X-ray and other safety concerns (equipment and/or people), CRT TVs constantly check the voltages and signals required to make a CRT work. A few seconds grace is allowed during start up but after that, any excessive high voltage (real or imagined) or loss of beam deflection circuits will cause the TV to turn off.

Please do the following:
1. Move the TV to a quiet and preferable totally dark room.
Wait until night if necessary.

2. Stand within an inch or closer to the TV screen.

3. Turn on the TV and look and listen for the following:

a. Whoosh sound and/or head hair attracted toward TV screen
Yes. High voltage activated and charged CRT screen.
No. High voltage failed to activate.

b. Hissing or normal sounds from the speaker(s) while set is on.
Low voltage circuits probably okay. Defective low voltage regulator can cause high voltage to exceed limits.

c. Entire screen briefly lit up or single bright spot at center of TV screen

High voltage worked for a moment then the TV shut off due to over voltage or current problems.

d. Brief bright line from top to bottom or single bright dot on TV screen

horizontal deflection circuits bad
vertical deflection circuits ok
TV shut off due to bad deflection/sweep circuit

e. Brief bright line from left to right on TV screen

horizontal deflection circuits bad
vertical deflection circuits ok
TV shut off due to bad deflection/sweep circuit

It would be helpful for you to perform the above "up close and personal turn the TV on test" and report what happened.

Nov 26, 2014 | Televison & Video

2 Answers

Replaced bulb but tv comes only comes on for about 10 to 15 seconds then shuts down and red light flashes


It sounds like you have a bad ballast board, or possibly the power supply going to the ballast bulb. I'm afraid that if you do not have the repair experience on solid state TV sets, you will need to contact and authorized Mitsubishi repair center. Good Luck

Jul 09, 2007 | Mitsubishi WD-62327 62" Rear Projection...

1 Answer

Rca Model number R52Wh73 Tv is not acting right


3 capacitors on your deflection board cp150 2200uf 16v cp114 cp120 220uf 35v

Dec 12, 2009 | RCA R52WH73 Projection Television

1 Answer

Tv shuts off immediately


check first for the contact point of your control panel button maybe the tact switch is shoted specially when your always using remote control for function operation.second check power supply for leak capacitor or change in value,check also the photo coupler for leak test or change in actual.

Aug 01, 2009 | Mitsubishi VS-5043 50" Rear Projection...

1 Answer

Magnavox 32


Very often this is caused by failing electroytic capacitors in the power supply and scan circuits. An experienced tech can troubleshoot for these parts and replace them. Most of the cost will be for the labour.

Jerry G.

Apr 12, 2008 | Televison & Video

1 Answer

Tv won't stay on


it is a brandnew tv, so expected that it is under warranty,, it best for you to return where you bought so the warraty will not void. Big possible of factory deffect.

Dec 26, 2007 | RCA 20F420T 20" TV

3 Answers

Power turns off automatically


happened with my 2002 42" model. they say the convergence circuit.

Mar 10, 2007 | Mitsubishi VS-60707 60" Rear Projection...

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