Question about Samsung PCH521R 52" Rear Projection Television

3 Answers

Tv wont stay on

When i turn my television on it comes on fine at first, then about 5 minutes or so later it turns off and i have to unplug it and plug it back in for it to work for about 5 minutes at a time.

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  • SCGrant Jun 01, 2008

    cable goes on okay, but the red light on the television comes on for a few seconds and then goes off. No picture on the screen

  • richard will Jun 30, 2008

    tv has no power the power supply has no blown fuses but yet only getting 33v no plus or minus 28v or no 130v notice ic hc802 and hc 801 pin 1 has 80v but the other ic doesnt dont have schematic please help

  • wesleyoakes Jul 26, 2008

    turn it on and the red light flashes. Sometimes it will go for a minute and sometimes not

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My samsung hdtv 1080 model#pcl 5415r will not allow me to turn it on, i think the auto off clock is stuck. I have tried unpluging the set for over 5 minutes and repowering it however Istill am uable to turn the set on.any suggestions?

Posted on May 24, 2008

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What is a CRT coolant leak? I have the same problem with my 3 year old Samsung 52 ich TV.

Posted on Mar 23, 2008

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Check for CRT coolant leak on PCB.Clean spill, try again to verify.

Posted on Oct 04, 2007

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I have a Mitsubishi TV model WS-48511 it was working fine, I shut it off came back a few hours later & when I turn it on the green light will come on for about 3 seconds but turns back off. What can I...


Unplug it from the wall for about 5 minutes.
with it unplugged, Press and hold the power button for around 30 seconds.
This should discharge the unit and allow it to come back on.

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Fix my tv


unplug it for 5 to 10 minutes
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No pic or sound


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Red light flashes but TV wont turn on


If you dont have the led light on when plugged go ahead and replaced the powerboard, but if your led light is on when plugged then you will need to replace the mainboard.

Hope this info help you.

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1 Answer

RED LIGHT IS ON BUT IT WILL ON TURN ON(GREEN)


Symptoms of a Defective or dying Power supplies on LCD TVs.
1. Light(s) on the front panel are behaving not normal example, blinking, amber color or not steady, fainting, etc.
2. TV not turning ON properly.
3. TV turns OFF by itself.
4. Needs to be unplug to many times to make it work.
5. Humming or high pitch noise heard through speakers or at the back of the TV.

I repair these power supplies. Write to jah2mil@hotmail.com if you require further assistance

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Sounds like something is overheating causing the thermal protection to trip.

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T.V. TURNING OFF AFTER ABOUT 5 MINUTES.


Go to Samsung.com for solution. There is a switch that just needs to be repositioned behind access door on rear. Fixed my HL-S5086W ok.

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1 Answer

TV refuses to stay on


I'm the OP of this, and what I did was had it unplugged for about 2 days, plugged it back in and it has worked since.

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1 Answer

My samsung projection television model pch521r wont stay on


when the set does come on do you notice any thing odd in the picture or sound of the set.

Aug 19, 2007 | Samsung PCH521R 52" Rear Projection...

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