Question about LG Electronics 50PM9700 50" Plasma 3D Smart TV

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My 50" LG Plasma TV wont turn on. No Picture, No Sound.... just two clicks

Model Number 50PM9700-UA AUSLLHR

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  • 687 Answers

May need to replace bulging capacitors in the power supply circuit.

Posted on Apr 14, 2015

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Posted on Jan 02, 2017

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SOURCE: 42 inch LG Plasma TV - Lost picture

ysus pcb that supplies voltage to the panel is faulty

Posted on Dec 15, 2007

  • 3 Answers

SOURCE: 42 inch LG Plasma TV - Lost picture

Our LG 50" plasma tv screen went black after a popping noise but still had sound, after great diliberations decided to take the back off and have a peek!
We unplugged the tv and tested the fuses (there were three we could see) one had blown, the one on the left as you look at the back of the tv it also has one above it. We wrote the code/seriel number down and took the fuse to the electrical wholesalers Maplin and bought a pack of 10 fuses for £1.29 replaced the fuse in the tv and everything now fine!!!!!!
Hope this might be of use to anyone whose lost the picture after a loud popping/snacking noise but still has sound.

Posted on Jan 17, 2008

SOURCE: Lg tv will not turn on, red light

i think your bulb is shot must be replaced

Posted on Apr 29, 2008

  • 41 Answers

SOURCE: LG plasma TV turned off, after the picture very light

I think you have a defective power board. the pop sound in coming from the board and giving you a low output voltage. do it yourself price about two hundred for parts.

Posted on Mar 13, 2010

  • 1 Answer

SOURCE: My 50 inch plasma LG tv has no picture only sound. There was

My 50inch plasma LG tv has no picture only sound.

Posted on Aug 19, 2010

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Hello, My LG Plasma tv model number 50PS60-UA wont turn on. I would hit power. Get a white light like usual. Then a click and the red off light.


If you wish to get some details; visit the site linked here. Pull up older posts. http://electronicshelponline.blogspot.com/ Faults & possible causes to LCD & Plasma screen are given with illustrations. You can get an idea about the fault to an extent. Faults to all LCD & Plasma screen are similar, irrespective of its brand and screen size.

Feb 05, 2017 | LG Televison & Video

2 Answers

What would cause TV no to turn on. Red light only. No flash, no sound, no picture. No bad caps or fuses. Replaced power supply board. No change. Red miniature led is lit on the tuner board when tv plu


This needs advance answering please provide me a photo of you tv set back opened and i will tell you what to check .. after this i might be able to tell you whats the problems
most possible is the Y-sus or Y-sus drive failure also mainboard might has an issue

Jul 08, 2014 | LG 50PA5500

1 Answer

Tv sound works but no picture, was working fine the night before. Got up this morning and the screen is blank. Doesnt sound like anything is buzzing in the back, no fan and no heat. Its a 50 inch flat...


Sounds like one or more boards in your signal process has failed, but most common is the Y-Sustain. When this happens, you only get audio and no picture when the TV is powered on.

Call LG and them know you understand this is a know issue for this TV and you're ASKING for a warranty repair of this knownn issue.

800-243-0000 Before you call be sure to have the complete model and SR number. Example 42PC3D UA.AUSSLJR, 809HJB2983485

Good luck.

Jun 27, 2010 | LG 42PC3D 42 in. Plasma Television

1 Answer

Loud pop...LG Model 50PQ30-UA Standby light blinks on/off


this **** dont mother ******* work **** ALL YALL HOES how u like that

Jun 13, 2010 | LG DU-50PX10 50 in. Plasma HDTV

1 Answer

Lg plasma after storm doesnt want to turn on


Mainboard damaged and need to be replaced, try EBAY for a general picture of prices but you will need your product code wich is located in the back of the TV next to serial number.

May 14, 2009 | LG 50PC1DRA 50 in. Plasma Television

2 Answers

42 inch LG Plasma TV - Lost picture


This is almost certainly the device that sends electricity to the the plasma in the panel after failing. Bring to your local repair shop and expect to pay 300-400 parts and 100-200 labour.

Cheers,
Stephen

Apr 28, 2009 | LG 50PC1DRA 50 in. Plasma Television

1 Answer

42 inch LG Plasma TV - Lost picture


If you paid by cheque or credit card, that is your proof of purchase.

Mar 09, 2017 | LG 50PG6000 50 in. HD-Ready Plasma TV

1 Answer

LG 50" plasma tv


call 877-543-8325 this is an LG Executive call center and they will fix this for free. I have a 50" plasma I bought january 2006 which is out of warranty by 5 months. They faxed me and the LG repair shop a 30 day warranty for my tv to cover the repair. Just tell them you heard a pop and in my case the picture is distorted. All they need is the model number and serial number and they should take care of it. No arguing needed.

Jan 13, 2008 | LG DU-50PX10 50 in. Plasma HDTV

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