Question about Samsung SP-P4251 42 in. Plasma EDTV

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SAMSUNG SP-P4251 TV turns on and off while watching tv

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Sometimes, need to check power bar with surge protected circuit.
If there was no problem with power bar, need to check power board.

Posted on Feb 11, 2009

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Most of picture green

what cables are you using to connect to the tv?

Feb 09, 2014 | Samsung SP-P4251 42 in. Plasma EDTV

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I have sound on my samsung sp-p4251 EDtv but no video

Most likely the 22Uf 450v Capacitor has went out. It's on the Main Power Board. It's a decent sized cap, but not a huge one. Take to a repair shop if u want, or take the back off, plug in your hair-dryer & heat up that cap. Should have picture within 10-20 seconds of it getting hot. If it solves your problem, just find / buy that cap & solder it on. (Or have someone who can) Total parts approx-$20 (Including Soldering gun/iron)

The capacitor is about $3.

Jul 30, 2011 | Samsung SP-P4251 42 in. Plasma EDTV

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My tv will not power on. When I hit the power button it blinks and then cuts off. Please help... Nothing appears on the screen it remains blank.

It seems that your unit has some sort of PSU fault, or a problem that is shutting down the Power Supply Unit, PSU. This happens so that no further damage, and possible fire will occur.
You need to take the unit to a reputable service centre/man and ask for a firm "Quote" for the work to be done.

Jan 22, 2010 | Samsung SP-P4251 42 in. Plasma EDTV

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Cannot find hdmi connections

Here is the link where I viewed the specs on your tv. I do not see where you have the HDMI inputs.

May 11, 2009 | Samsung SP-P4251 42 in. Plasma EDTV

2 Answers

Red in left sie of screen show up sometimes on 42 samsung SP P4251

What component(s) are you connected to this TV?And what type of A/V cables are you using?
Does it only happen when you watch cable or directv or dishnetwork?

Nov 06, 2008 | Samsung SPN4235 42 in. Plasma HDTV

1 Answer

Samsung 42' ed tv mod. sp-p4251 sound going out

Most likely there are some components in the sound processor or sound output board that have become thermo sensitive. The service rep would replace these boards as necessary.

If there is excessive heat there may be a fan that has failed. The service rep will know if this is the case when he opens the set. He would also have the temperature specs to be able to verify if the operating temperature is excessive or not. If there has been any overheating, chances are that there is heat damage.

Jerry G.

Jul 06, 2008 | LG RZ32LZ55 32 in. HD-Ready LCD Television

1 Answer


Wow same here but mine is red I know its because of the plasma bulb is wearing out and for my fix is $1000 but I didn't do want to go on so I tried to change the color settings and tried RGB to all 0 and it became fine. Well at least you have a cool blue screen, mine is red.

Oct 29, 2007 | Samsung SP-P4251 42 in. Plasma EDTV

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All I get is snow.

Sounds like a tuner problem on the main board, you can take the back off and make sure that the tuners are plugged in good, alot of problems with tuners are the grounds get cold solder

Nov 07, 2006 | Samsung SP-P4251 42 in. Plasma EDTV

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