Question about Panasonic TH-42PD50U 42 in. Plasma EDTV

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Power related There is a small problem when you turn it on it starts to power up and then a few seconds later it clicks and turns itself off

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Re: Power related

Was told by service it could be the power board

Posted on Jan 28, 2008

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Tv no picture

It sounds like it's developed a serious fault, is it still under warranty or manufacturer return?

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since how long are you facing the problem

Oct 29, 2008 | Vizio P42HD Television

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TV will not turn on

Hi, It could well be the power supply that is in the back of your set. Have a repairman check it out. It's not a do it yourself thing. Good luck.

Nov 21, 2012 | Panasonic PT-44LCX65 Television

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If the TV works fine till the time it shuts off, then check if this is thermal related or if with a tap the TV shuts off. If so check for poor soldering joints in the power or relative sections. Use a good soldering iron to touch up all these circuits.
If not there could a component malfunction with thermal action. If so seek technical help if you are not familiar.

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No picture on my philips 42PF7321D/37

Bad caps in the power supply must be replaced .

Jul 21, 2009 | Philips 42PF7320A 42 in. Plasma HDTV

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TV turns off after several minutes

is the alarm set,if not the main power supply inside it is no good

Jul 17, 2009 | Sony BRAVIA KDL-40S2000 40 in. LCD HDTV

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HP-R5052 reboot

It's definitely an overheating problem if your plasma turns off by itself after a while. I would suggest to place a cooling fan near the back of it as a temporary fix.
There could be a power supply issue along with a Ysustainer board but in order to know that for sure, you should use a hair drier and blow hot air to the power supply and see if the TV turns off, if the time that the tv turns off is shorter when blowing hot air to the power supply; then is the power supply issue.
Good Luck.

Jan 31, 2009 | Samsung HP-R5052 50 in. Plasma HDTV

1 Answer

Samsung HP-R5052 Plasma TV

It related with Power Board(50%) or Y-Main(50%).
But, if you use the power bar with surge protacton, need to check
the power bar's lamp when the TV is turning on & off.

Jan 31, 2009 | Samsung HP-R5052 50 in. Plasma HDTV

1 Answer

No picture

My parents bought the same tv, TV ran fine for 2 years then started giving them problems. Blue light comes on then few seconds later turns to yellow. Turn tv off then back on it worked, until last week it would not turn on.

Took it to a repair shop they said it was a bad power supply and it will cost 50$ for this check up, as it turns out the total bill would be $650 minus the original $50 it would only cost you $600.

Needles to say i took the tv home with me. Since they were not going to use it i started looking at it took the back off, removed all heat shiels ect. Took my magnifing glass out and started looking at the power supply come to find out the part was made in China, it was missing a solder joint, pulled my old soldering gun out, five minutes later the tv came back to life.

i hope this helps.


Oct 23, 2008 | Westinghouse LTV-32w4 32.02 in. LCD HDTV

1 Answer

Tv cuts off and green light flashes

If your set was manufactured around July 2005, you may need a firmware upgrade to solve this issue. On the Sony website you can enter your model # and serial # to see if you TV is affected. If so, it is easy to have done and may be free from Sony. It sounds like the issue they described in the writeup on the required formware update. I had mine done within few months of when i bought it (purchased in Dec 2005) and it has been working flawlessly since.

Good luck!


Jul 19, 2008 | Sony KDF-E42A10 42 in. LCD Television

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