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PLASMA LG 42PX4R ...DEAD -NO +5VSTB. Z121...A6151 is OK.LG BOARD ASSEMB-3501V00220A

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Why won't my LG 42PX4R turn on? No LED lights, no nothing!

Fault with the main power supply regulator board. Check and replace damaged component/s at its main power regulator [SMPS] section circuit. Contact any service technician. 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 power supply regulator board as card basis rather than making "Surgery" to it; which usually will make loss for both money and time.

Sep 08, 2014 | LG 42PX5D 42 in. Plasma HDTV

1 Answer

Hi, I have Plasma TV Power Supply Board. The model of board is: LJ44-00144A PS-506-PH. The stand-by voltage 5Vstb works just fine. When I turn on the TV the Stand-by let in front of it comes blue like...

I have the same problem. As I see, here is dead sub PCB with microcontroller on board. Small PCB with 26 pins, mounted verticaly on main, big power supply board. It is not available as a spare part. You must buy complete power supply board LJ44-001444A, as I have done.

Aug 09, 2011 | Philips POWER SUPPLY (41644158) Power...

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Hi there I have a lg 50" plasma Model DPD50X30010. It does not turn on. When I power it up it clicks and then clicks again and Turns off. Could that be the power supply need help

Yes,it the power supply board.If u know basic electronic's,have tools and know how to do basic soldering?Take the tv aparts.The tv power supply board,that the board,where the power a/c cord plug into it.Searches the power supply board,look for those dying leakages of gases,going to be dead parts call capaitors.They alway bulges up on it tops or puffing up on it tops.Replaced these dying,going to be dead capacitorsThe tv power will be stable again and work.Or tries, to buy a refurbish power supply board for the replacement.

Aug 02, 2010 | LG 50PX1D 50 in. Plasma Television

1 Answer

Clicks over and over like power wants to turn on but just clicks

The power supply board is dead.That the board,where the power a/c cord plug into it.Tries websites like, to buy a refurbish power supply board for the replacement.

Jul 14, 2010 | LG 42PX5D 42 in. Plasma HDTV

1 Answer

My lg plasma TV crackled then suddenly switched off i have no red indicator light and it now does not work i am assumming the worst that the plasma has gone?

Power supply board is dead.Tries these websites, to buy a refurbish power supply board for the replacement board.

Mar 08, 2010 | LG 42PX5D 42 in. Plasma HDTV

1 Answer

Plasma TV turning on and off

Ur power board it dead,know how to solders?Recheck the power board for Capacitors puff up or burst open.Or buy a refurbish power supply board at, for replacement.

Jan 16, 2010 | LG 42PC3DC 42 in. Plasma HDTV

1 Answer

Lg 50 inch plasma cut off while watch it will not turn back on

Power board is dead,Know how to solders?Check replaced Capacitors like burst open,or puff up.Or buy
the whole refurbish power board.Tries websites,

Jan 16, 2010 | LG 50PG20 50 in. Plasma HDTV

1 Answer

Black screen, only sound on my Plasma TV

Ur backlight video board is dead.U need a new board.

Sep 22, 2009 | LG 42PX5D 42 in. Plasma HDTV

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