Question about LG 42PC3D 42 in. Plasma Television

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Replacing power board on lg LCD TV - LG 42PC3D 42 in. Plasma Television

Posted by Anonymous on

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4 Suggested Answers

6ya6ya
  • 2 Answers

SOURCE: I have freestanding Series 8 dishwasher. Lately during the filling cycle water hammer is occurring. How can this be resolved

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Posted on Jan 02, 2017

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freetek
  • 5568 Answers

SOURCE: 42" lg lcd tv pitcher flickers then gos black

Since the audio is still working, the main power supply probably
wasn't at fault and you may be looking at more research and possibly
more expense.

The problem is very likely on the largest board or with a failing
circuit that is part of the display.

You may be able to isolate it by using 'freeze spray' which you can
buy anywhere electronic parts are sold.
I suggest more than one can of it; ~ $7-8/can.
You will need to have the guts exposed and the set turned on.

Look around the edge of the display itself for chips (ICs) and give
any you see one brief shot of the spray, wait for ~1 minute for it to
'soak' and then move on to the next one.
If the video comes back, even if only briefly, repeat the cool-down
until you are confident to have found the right one.

If you can isolate it, you still have a problem.
If the sick IC appears to be 'glued' (with solder) onto instead of
through the board, you may not be able to replace it successfully.
If you can see that it has pins going through the board, these can be
replaced by anyone with a professional soldering tool and a steady
hand.

Remember, the problem can be on a board that is only connected to the
display panel but if on the panel itself, you may not be able to buy a
replacement for less money than a new set would cost.

Posted on Nov 10, 2011

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Slinteriors
  • 8617 Answers

SOURCE: SIR PLEASE HELP ME MY LG42LD420 MY POWER CIRCUIT BOARD HAS BEEN BURN THE TV MADE IN KOREA WERE CAN I GET THAT BOARD

send a email to customerservice@tvrepairworld.com include your model number and what board your needing. I am pretty sure they either have one available or they can get one quickly.

Posted on Aug 13, 2012

casperaugust
  • 85 Answers

SOURCE: LG LCD 26LX1D power blinking red ,all capacitor on power board are ok

try replacing relay on power supply had this twice on lg and goodman lcd tvs

Posted on Nov 25, 2012

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My LG 32in.TV I have the volume up to 100 and you can barely hear it


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2 Answers

Samsung UN55EH6000 has audio, but no backlight LED as seen with flashlight test.


Check and replace damaged component/s at its back-light inverter board, or replace this board as card basis. If you wish to get some details; check the site linked here. Surf the site with patience. Pull up older posts. It will be best to replace the inverter board as card basis.
http://electro-medical.blogspot.com/
http://electronicshelponline.blogspot.com/
To some model sets; especially LED back-lighted types; the back-light inverter circuit will be part of the main power supply board [SMPS]. In such cases, the power supply board might need replacement. To some models sets, the back-light inverter and SMPS section circuit will be integrated at its main board itself. If so; the main board should be replaced. To some models of sets, all these section circuit will be integrated at its main board. If this is the case, you have to replace the main board.

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Samsung led tv ua40F6400 power board


If you wish to buy a new power board, contact the authorized service centre for Samsung.

Jun 27, 2013 | Televison & Video

1 Answer

LG LCD 26LX1D power blinking red ,all capacitor on power board are ok


try replacing relay on power supply had this twice on lg and goodman lcd tvs

Nov 25, 2012 | LG 26LX1D 26 in. LCD HDTV

3 Answers

60 inch LG Plasma, did have to push the power button 5 to 7 times to get the TV to power up. Now it will not come on at all


The tv before,the tv power supply board already have problems and was slowly dying,that why it require u to pushes 5 to 7 times for the tv power supply board to be able to sustance and hold power for the tv.Now the tv power supply board it is alot weaker or already dead.That why the tv dose not power on anymore.The tv power supply board that the board where the tv power a/c cord plug into it.Try website like Ebay.com to buy a whole new refurbish tv power supply board for the replacement.

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My LG 26LH20 turns itseld off after about 2-3 seconds. TV is a little over 1 yr old. I t happened about 2 months ago and I thought it was the cable. had cable serviced, not the problem. now it's...


Tv turn itself off after 2-3 seconds the tv still audio voices?Yes,than the tv long board that call the LCD inverter board it is dead.Require change the tv long LCD inverter board,this board help the LCD screen panel to have a backlight to produced a picture or 2-3 seconds tv power died completely no power to tv all?Yes,than this problems the tv power supply board it is dying.That the board where the power a/c cord plug into it.Tries websites like Shopjimmy.com,Ebay.com to buy a refurbish long LCD inverter board or the tv power supply board for the replacement.

May 09, 2011 | LG 26LH20 LCD TV

2 Answers

Spot of bad weather here, just had a power surge in the house and now our tv (sharp lc-42SB48UT) won't power on. There is no blue or red light on the front and changing outlets/surge protectors doesn't...


90% to 95% ur tv have a dead power supply board only.5% ur tv could have both dead boards the tv power supply board and the main tv Tuner signal board too.The tv power supply board.That the board,where the power a/c cord plug into it.The tv main Tuner signal board,that the board where all the exstented devices and the tv incomming broadcasting signal cable wire plug into it.Tries websites like Shopjimmy.com,Ebay.com to buy a whole refurbish power supply board for the replacement first.The tv problems should be fixed.If not than the main tv Tuner signal board is dead too.Must be replaced also.

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1 Answer

Tv little green light is blinking but tv won't power on


Ur tv power supply board it dead.The power supply board,that the board the a/c power coard go into it,that ur tv power supply board.Tries websites like Shopjimmy.com,Ebay.com to buy a whole refurbish power supply board for the replament.

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