Question about Panasonic TCP50S2 50 in. TV

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Hi! I have a Panasonic TC-50PS24 that has no lights and doesn't power up. I think it probably needs a new power supply board. I don't see any burnt contacts or bad capacitors. Any thoughts wou

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  • Panasonic Master
  • 34,193 Answers

My thought is that you are right about the power supply

Posted on Nov 30, 2012

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Posted on Jan 02, 2017

  • 1 Answer

SOURCE: Lightning affected Lcd tv

Panasonic 32"LCD Mod,TX32LXD70A

Posted on Jan 03, 2009

  • 7 Answers

SOURCE: No power

I would guess it's the power unit for the TV itself.

If it's still under guarantee I would have thought you should be able to get it replaced.

Posted on Feb 19, 2009

  • 8457 Answers

SOURCE: I have a Panasonic plasma TH-42PX60u That suddenly

Tries Shopjimmy.com,Ebay.com to buy a refurbish power supply board.Have no experience in tech trouble shoothing,with multimeter,and Osclicope.Could be anythings that burn in the board well never find out.

Posted on Feb 04, 2010

toolkits
  • 1099 Answers

SOURCE: I have a Panasonic TH-42PX80U TV. When I power up

Hi
A common problem for these is bad capacitors in the power supply, Remove the back from your Tv and look at the power supply on the left hand side.

You will see roughly around 9 x capacitors that are bulged / domed shaped on top usually these are valued at 3300uf 10V any that have bulged or leaked a brown like substance should be changed.
This will cure the problem as they overheat being sat next to a heatsink that gets very hot!
Try and change them for the same 3300uf but a higher voltage.
Hope this helps

Posted on Oct 04, 2010

diodeic
  • 1622 Answers

SOURCE: I have a Panasonic TH-50PX75U Plasma 50" tv. The

Hello,

All you need to do is to open the back cover of the television to check for burnt transistor , this is always the problem , for you to fix this it require a basic knowledge on electronics,
Your power supply board is not yet dead, u know basic electronics' and soldering? Most of the times, the power supply board just have dead leakages gases capacitors.These capacitors always bulges up on it top,or puff up on it top.Replaced these gases leakages capacitors will get your TV power stable,and work again.Or tries websites like Shopjimmy.com,Ebay.com to buy a whole refurbish power supply board for the replacement.

I hope this will help out in solving the problem

Posted on Dec 19, 2010

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Panasonic Plasma TC-P42C1 10 light blink code, then the light came on and then no light at all-nothing! Power Suppy board?


Hi,
By blinking led its shows where is exactly the complaint. You have to count the blinking. How much time its blinks in one sequence. the only it will be possible to say is it power supply or any other boards.

www.electro-medical.blogspot.com

Sep 03, 2015 | Panasonic Televison & Video

1 Answer

I have a Aquos LC-37GP1U new out of box. Have the blinking light issue. Power on for 2 seconds and then shut off. Replaced the power supply board as it was cracked. Still didn't help. Should I be...


Hi,


You have to check if the replacement power supply board is the same part no. as the original one, it is printed on the board itself.


I don't think that the fault came from defective electrolytic capacitor because like what you have said, the unit is new out of the box and you've already replaced the power supply board which is most of faulty electrolytic capacitor came from that board.


You've mentioned also that the original power supply board has cracked, I've suspected that the main board also has been damaged because the blinking led light error codes will be encountered if the power supply board or main board gone to malfunction. If you've confirm that the power supply board is the same part no. like the original one, then I would advice you to replaced the main board.


Please let me know if you need further assistance.


Have a great day!

Mjsazon

Nov 27, 2011 | Sharp Aquos LC-37GD6U 37 in. LCD HDTV

1 Answer

Panasonic viera TC-P50G15 tv cut off in the middlde of watching it, red light kept blinking on tv, dont recall how many times, unplugged tv then plugged back in at that point no lights came on & tv...


Tries tv unplug,replug it back like about an hour later,for the tv to a resetting itself back to the factory setting.The tv might work again,if not the tv power supply board is the problems and the causes.The tv power supply board it is shorted and dead some how.That the board where the tv power a/c cord plug into it.Tries websites like Shopjimmy.com,Ebay.com to buy a whole new refurbish tv power supply board for the replacement.

Sep 22, 2011 | Panasonic TC-P50G15 50 in. Plasma HDTV

1 Answer

Last night I was watching tv and suddenly my panasonic plasma went out and wouldn't come back on. ???


Hello,

The issue you describe is consistent with a power supply board issue. This is the board where the AC goes to. This problem may have occurred as a result of irregular power supply, or excess power supply or power surge.

The TV is receiving current but cannot circulate or transfer the current to other necessary part of the TV because of the defective power supply board. You might be lucky it's just a blow fuse. Also a defective transformer can cause your TV not to power on.

All these can be checked on the power supply board.

But more often bad capacitors causes problem on the power supply board. I do not think the power board needs replacement, rather those defective capacitors is causing this issue. Open unit up and take a look at the power supply board.You will probably see one or more electrolytic filter capacitors that are bulged up in the top-not perfectly flat like the others.

The value of these capacitors will be different, most likely they will be somewhere around-820 to 2200uF/25 V( or /10V sometimes)

You can replace them with same values but I would recommend the voltage rating to be higher(like 35V for an original 25V) for reliability purposes.

What happens is,these bulged top capacitors will cause a low and unfiltered DC voltage=main board will malfunction(the relay will keep clicking until the caps are holding enough charge to bring the voltage up over a threshold point).

You can buy these capacitors at any Fry's or Radioshack store or you can order them online at vendors like "mcmelectronics.com"(look for electrolytic capacitors). After replacing these capacitor(capacitors) most likely the normal operation will be restored. Or you can by a refurbished complete power board to save you some stress.

Note: There may be also some other causes for this symptom ,like a defective T con board ,or main board,but the bulged top capacitors are the most common cause for this issue.

If you don't know about TV repairers, take the TV to the nearest repairman to fix the fault for you. Also, note that TV stores a lot of current, so wait a while before opening the TV back cover.

I hope this helps.

Regards.

Jun 13, 2011 | Panasonic TC-P42U1 42 in. Plasma HDTV

1 Answer

Power button flashes red and tv won't turn on


Hi,

The issue you describe is consistent with a power supply board issue. This is the board where the AC goes to. This problem may have occurred as a result of irregular power supply, or excess power supply or power surge.

The TV is receiving current but cannot circulate or transfer the current to other necessary part of the TV because of the defective power supply board. You might be lucky it's just a blow fuse. Also a defective transformer can cause your TV not to power on.

All these can be checked on the power supply board.

But more often bad capacitors causes problem on the power supply board. I do not think the power board needs replacement, rather those defective capacitors is causing this issue. Open unit up and take a look at the power supply board.You will probably see one or more electrolytic filter capacitors that are bulged up in the top-not perfectly flat like the others.

The value of these capacitors will be different, most likely they will be somewhere around-820 to 2200uF/25 V( or /10V sometimes)

You can replace them with same values but I would recommend the voltage rating to be higher(like 35V for an original 25V) for reliability purposes.

What happens is,these bulged top capacitors will cause a low and unfiltered DC voltage=main board will malfunction(the relay will keep clicking until the caps are holding enough charge to bring the voltage up over a threshold point).

You can buy these capacitors at any Fry's or Radioshack store or you can order them online at vendors like "mcmelectronics.com"(look for electrolytic capacitors). After replacing these capacitor(capacitors) most likely the normal operation will be restored. Or you can by a refurbished complete power board to save you some stress.

Note: There may be also some other causes for this symptom ,like a defective T con board ,or main board,but the bulged top capacitors are the most common cause for this issue.

If you don't know about TV repairers, take the TV to the nearest repairman to fix the fault for you. Also, note that TV stores a lot of current, so wait a while before opening the TV back cover.

I hope this helps.

Take care.

Apr 20, 2011 | Panasonic TC-P46S1 TV

1 Answer

I turned on power and red light is blinking but tv does not come on - red light just blinking no power/picture Panasonic TC-54PS14


Tries unplug,replug the tv back like an hour later.The tv now,should resetting itself back to the factory setting.The tv should work now.Not,than the tv power supply board have problems,not giving the tv it wright voltages anymore.The tv power supply board that the board,where the power a/c cord plug into it.Tries websites like Shopjimmy.com,Ebay.com to buy a whole refurbish power supply board for the replacement.

Nov 06, 2010 | Panasonic TC-54PS14 54" HDTV Plasma TV

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