Question about Protron PLTV-37 37 in. LCD Television

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Hmmmmmm what if i cut the power off my tv for 48 hours or longer will that fix it or where can i get a replacement power supply

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You can try to unplug the TV for that long and see it it works.
There aren't service parts available for these LCDs.
If unplugging the TV does not work, the power supply will need to be repair.
I service these power supplies.
If you need further assistance. You can send me an email to jah2mil@hotmail.com

Posted on May 28, 2008

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I have a panasonic 50 inch plasma it blinks 7 red lights.


Try changing the input device to something you are sure works. Switch off TV manually, switch off power, remove plug and retry after 48 hours. If problem persists, please refer it to a qualified service technician.

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1 Answer

Why does the tv turn off by its self


Good day!!!!


That problem is usually cause of faulty capacitors on the power supply board..

Just follow this instruction to fix your TV..

1. Open the back cover of your TV.
2. Look at the power supply board..Its normally connected to the power cord..
3. After that,,try to look at the actual image of capacitors if it is bulged on the top so that you can easily determine the bad capacitors..
4. After that,,try to replaced the bad capacitors using soldering iron and soldering lead..replaced the capacitors only with the same type ratings and value..
5. Some of the capacitors not bulged so its better if have a capacitance meter

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1 Answer

I have a multsystem KTV, 48 inch LCD screen approx 4 yrs old. On 220v power, it takes about 4 tries to get it to start. A tv repair guy said it is the power board. Would love to fix it as the resolution is...


The tv power supply board,that the board where the power a/c cord plug into it.U know basic electronic and have all the tools.Check the tv power supply board carefully for dying capacitors parts.Replaced all these dying capacitors pats,will fixed the tv delaying power to the tv turning on.These dying capacitors parts are alway bulges it up or puffing up onto it tops.Or tries websites like Shopjimmy.com,Ebay.com to buy a whole new refurbish power supply board for replacement.

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1 Answer

My TV suddenly cut off. The power light was blinking red but now it is doing nothing. It will not cut back on.


Check the power source and tries tv uplug,replug it back like an hour later,see if tv getting power back and tv resetting and should it be working again.If not have the same result.The tv power supply board is dead,that the board,where the power a/c cord plug into it.Tries websites like Shopjimmy.com,Ebay.com to a refurbish power supply board for the replacement.

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1 Answer

After 1 -2 hours watching tv hear a pop and set goes off. Cannot switch it back on at power switch but when you pull out the power cable wait 30 seconds and put back in the set comes alive again. Once it...


No,the effect will take longer and longer to turn on tv and dies all together later on.Power supply board have parts call capacitors,have problems.These capacitors parts on the power supply board are dying and have leaking gases.The board where the power a/c cord plug into it.That the power supply board.Searches the power supply board.U now basic eclectronic's,have tools and know basic slodering?These dying capaciitors parts are alway bulges up on it tops or puff up on it tops,must be replaced.Or tries websites like Shopjimmy.com,Ebay.com to buy a whole refurbish power supply board for the replacement.

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Unplug tv and let it set for a couple of hours. Remove the back panel, the fuse is located somewhere near where the power chord comes in. Remove fuse and replace with one of the same rating.

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2 Answers

The TV no longer works. The red power light on the TV no longer shines as it did when the TV was off. Any idea what the problem might be and if it is worth repairing? The TV is only 5 months old.


D10 is shorted. HER304 in middle of Power supply board near large electrolytic cap. Replace with Radio Shack 276-1144 3A 400PIV Diode. PLEASE BE CAREFUL WITH HIGH VOLTAGE PRESENT ON POWER SUPPLY BOARD. UNPLUG POWER CORD!!! OBSERVE PROPER POLARITY WHEN REPLACING DIODE-LOOK WHERE THE BAND IS.

PS- I just fixed this same problem this morning on same model.

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Dish no longer supports these monitors but you can contact Prima World Wide (PWW) between the hours of 9:00 am and 9:00 pm EST at their toll free number 1-888-267-5004 for warranty or out of warranty service and they may be able to assist you in acquiring the external power supply needed.I wish I could be of more help but want to thank you for using Fix Ya.If I can assist you in anyway please let me know.

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Tv shutting off


How many times per second does the POWER led blink? (dont worry about the OPC).

1x per second (constant, steady blink) = bad inverter/lamps
2x per second = bad power supply
3x per second = bad main board

You can buy the parts online and fix if yourself!!

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