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42 tv green power on but no picture or sound lg style but green light stay on

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6 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

  • 15 Answers

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

  • 375 Answers

SOURCE: LG 42PC3D 42" PLASMA TV

possible ysus pc board assy.

Posted on Nov 03, 2008

  • 133 Answers

SOURCE: LG 42 plasma power problem

needs power supply Part number 6709900023A
it is a 171 dollar part, you should be able to order through LG,

Posted on Jan 10, 2009

  • 135 Answers

SOURCE: screen went black on my 42" sanyo model dp42647 lcd

Hi there! The panel may be in protection mode. The Inverter board is the most logical area to start after checking power supply Voltages.(5,6,24 and 13Volts). There may be coils on the Inverter Board which have bad soldering or faulty. Other than this it may be main board which controls switch on or off. If all else fails, refer to a repairer. Beware of High Current!!! Best Wishes and Good Luck, Jus004

Posted on Aug 23, 2009

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I have a 42 " Phillips with no pic and no sound. I've replaced the Power Board and CT Board tht corrected the error blinking lights but still have the problem My Light stays solid green and I


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1 Answer

Green lightv flashes then stays on but no sound or picture


Do you mean that the tv stays on but there is no sound or picture? I am not sure whether the green light indicates standby mode or that the tv is on, on this particular model. So please clarify this.

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When i turn on the lg lcd tv in the morning or for the first time that day the picture and sound work for a few minutes then picture plus back light go off leavin the sound working and ablack screen. The...


I have exactly the same problem with the same model tv. I am currently scouring the internet to try and find a solution to fix this problem. If you find one before I do, please share your findings and I will do the same. It has been suggested that it could be capacitor failures in the power supply unit. I have not looked at the psu yet to see if any capacitors are "bulging" I want to be sure before I start changing components.

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1 Answer

The tv's green light comes on but there is no picture and no sound. When I push any buttons on the remote the only thing that shows up is the volume thing. It doesn't respond to pushing the channel buttons...


your main board has gone bad. Can be fixed, in my shop it would cost about $250. It is a real shame on the industry that these things last about 2 years or less. Hope you held on to your old crt style tv.

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1 Answer

LG 42 plasma power problem


needs power supply Part number 6709900023A
it is a 171 dollar part, you should be able to order through LG,

Jan 09, 2009 | LG 42PC3D 42 in. Plasma Television

3 Answers

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Hav 50 inch lg no pic but got sound wtf how do i fix it an there r 5 flashes b4 green light stayes on at the start

Apr 10, 2008 | LG 42LC2D 42 in. LCD HDTV

14 Answers

42 in LG LCD TV turns off by itself


Found that TV started switching off by itself. Would try to come on..green light blinked for 2-3 seconds, tv came on (with picture and sound) for 1 or 2 seconds and then it would turn itself off. Found that the issue is with one channel only. If you are facing this issue....try quickly changing the channel the moment it comes on. You can do it either with remote or with the TV buttons directly. also in the same logic, if this is still happening, try changing the source to another (rgb-pc, av1, av2 etc). Basically change it from whatever input it is on currently, if changing the channels does not work. My symptom was that the tv made a loud 'TIK' 'TAK' sound which is louder than normal.

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