Question about LG 42PC3D 42 in. Plasma Television

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Have a 42PC3D-UD plasma tv. Fuse was blown on board that is above power supply, replaced it and it did not blow again but turn on power and it shuts right back off. what to do?

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Go to nearest help centre and check your tv

Posted on Mar 24, 2011

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1 Answer

I have a LG 42PC3D-UD Plasma TV That had no picture but had sound I had 6 blowed capacitors I changed out the main board and the T-Con board still don't have a picture HELP me please


hello, you have blown buffer board, on left hand looking from the back there's either 1 long thin board or 2 joined together, the black ic chips, some have metal heatsink over the top if they haven't look for little white dots, if they are present the buffer is no good, you may also need to change the ysus board as well, thanks

shaun

Feb 16, 2017 | LG Televison & Video

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What causes my tv when i push the power button to have the green light to blink 3 times than shut off


For this model it is usually power supply(look for popped or bulged capacitors) or YSus board(look for shorted components}

May 17, 2014 | LG 42PC3D 42 in. Plasma Television

1 Answer

Will not turn on, no blinking lights, power coming from cord is good


Sounds like the power supply board is dead. Probably has a blown power line fuse on the board. A power surge will sometimes blow the fuse and protect the board from damage. Replacing the fuse will restore the TV if this is the case. Most times though, the supply has a blown part that causes the fuse to blow and your only option then is to replace the board.

Mar 23, 2014 | Panasonic Tc-42px24 42 in. Plasma TV

1 Answer

I have a LG 42pc3d-ud i can get green (power light) but know picture on tv (like power is off and have humming sound comming from back


From your description it sounds like your TV it's actually on you just can't see a picture. That is usually caused by your Zustain boards. The zustain boards are located on the left and teh right side of the TV. You can check the fuses to see if one of them is blown or you can leave it on and see if one of them does not heat up. You would have to replace the board. You can find part at www.interliquidparts.com

Jun 06, 2011 | LG 42PC3D 42 in. Plasma Television

2 Answers

Black screen no video no audio suddenly now


This set is a 50" plasma. first check the AC power fuse on the filter board then: if it is bad: check the power supply by marking and, removing all the cables; (so you can put them back in the correct spot) except the filter board to power supply cable; that connects to the Power supply board. Then: replace the blown AC fuse and, re-power: If the power supply blows the fuse: again, the power supply is bad and, must be replaced or, repaired. If the fuse does not blow: turn off the set then: on again, reconnecting and, disconnecting each board cable in turn, untill the fuse blows again this cable leads to the bad board; replace or, repair the board that blows the AC fuse every time the bad board is connected, irregardless of which other cable to the power supply may be connected also; or, not.

Jun 05, 2010 | Toshiba 50HP66 50 in. Plasma Television

2 Answers

No pic but sound


I think you probably mean the Y-Sustain board which does have fuse which can blow. This board is on the left hand side (as you look from the rear of the TV). Occassionally other factors can be responsible for this fuse to blow such as the buffer PCB which works in conjunction with the Sustain board. An established repair service centre or a supplier on-line will porvide a replacement for you.

Jun 29, 2009 | LG 42PC3DC 42 in. Plasma HDTV

1 Answer

LG 42PC3D-UD plasma tv takes 22 minutes to turn on


the more i think about it, replace your power supply first. they have been known to cause this problem you are having

Feb 27, 2009 | LG 42PC3D 42 in. Plasma Television

5 Answers

Lg plasma 42PC3D no picture with sound


I know you already replaced the board, this is for future searchers. If you heard a popping sound, then the picture went out, there is a 32 pin Sanyo module that goes bad on the board. That's probably what caused the fuse to blow. Replace the module, then replace the fuse. The module is less than half the cost of a used board. Since this was a popular model TV, there are lots of replacement boards on the used market.

Mar 15, 2008 | LG 42PC3D 42 in. Plasma Television

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