Question about LG 37LC7D 37 in. LCD HDTV

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Lg 37lc7d with no picture or sound but green light comes on . popping noise preceeded problem. no obvious blown capacitors

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Ur tuner board is dead.Replaced this board to get picture back.Tries Shopjimmy.com,Ebay.com for the board part.

Posted on Feb 10, 2010

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I am hearing sound but no picture on my LG 37LCD HD TV

Posted on Mar 23, 2011

  • scwhite59 Aug 21, 2011

    im seeking a bad unit for parts so if you wanna sell it, call me 706 322 4379 regards, mark

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1 Answer

I have an LG Plasma TV model 50pc5d-ul That powers up with no picture. Green power-on light blinks 13 times (staying on with the 13th blink).


Green LED flashes 13 times means power supply board is the issue. If you are familiar with the electronic repair, open the back and check if any capacitors are blown.. if they are bulgy on top, replace them. Attached link may help you in investigating the problem:
https://www.avforums.com/threads/lg-lcd-tv-power-problems.840361/page-2
https://www.youtube.com/watch?v=0Z_T_cS_B7g

May 08, 2017 | LG Televison & Video

1 Answer

Red light & green light alternate but TV does not come on


My tv acted the same way. Easy answer........buy a capacitor kit!
it was my first try on desoldering and soldering and I have been watching the tube with no problem for months now!

Jul 12, 2014 | LG 37LC7D 37 in. LCD HDTV

1 Answer

On/off problems with my LG 37LC7D TV. It is hooked up to Direct TV


You need to contact a local TV repair service, UNLESS you have the tools and the repair manual to repair it yourself, it will take diagnostic work to determine what is the cause, one thing is for sure you have a defective circuit board.

Jul 16, 2017 | LG 37LC7D 37 in. LCD HDTV

1 Answer

Problem with a LG 37in lcd when i turn it on it takes forever for it to show up a picture on the screen the green light comes on and then i gotta wait


Have the power supply checked out. I've worked on your particular model with the same problem. Turned out to be bad capacitors in the power supply.

Oct 19, 2012 | LG 37LC7D 37 in. LCD HDTV

2 Answers

Lg-42px5d-eb tv made pop noise now no picture just sound think its ysus board but dont no were to buy one


Plasma and LCD TV sets are prone to having capacitors in the power supply section fail. This is the most likely cause for the probem you describe. When capacitors fail your will commonly see one or more of the following symptoms.
  • No video, Power light is on or blinking.
  • TV is making a clicking noise.
  • TV takes a while to come on
  • Screen is very dim or flickers.

Again, You can get a power supply repair kit with the parts, detailed instructions, and support from sites such as www.TvRepairKits.com . Or just click here to see more details on their kit.

Here are pictures of capacitors...Notice that the ones below look bloated. They have failed and will need to be repalced.



ecollier2012.jpg
Capacitor being replaced! Fairly easy DIY fix.

ecollier2012_0.jpg
Again, You can get a power supply repair kit with the parts, detailed instructions, and support from sites such as www.TvRepairKits.com . Or just click here to see more details on their kit.

May 03, 2011 | LG 42PX5D 42 in. Plasma HDTV

2 Answers

2006 42" plasma has blank


Plasma and LCD TV sets are prone to having capacitors in the power supply section fail. This is the most likely cause for the probem you describe. When capacitors fail your will commonly see one or more of the following symptoms.
  • No video, Power light is on or blinking.
  • TV is making a clicking noise.
  • TV takes a while to come on
  • Screen is very dim or flickers.

Again, You can get a power supply repair kit with the parts, detailed instructions, and support from sites such as www.TvRepairKits.com . Or just click here to see more details on their kit.

Here are pictures of capacitors...Notice that the ones below look bloated. They have failed and will need to be repalced.



ecollier2012.jpg
Capacitor being replaced! Fairly easy DIY fix.

ecollier2012_0.jpg
Again, You can get a power supply repair kit with the parts, detailed instructions, and support from sites such as www.TvRepairKits.com . Or just click here to see more details on their kit.

Apr 23, 2011 | Philips 42PF9630A 42 in. Plasma Television

1 Answer

My lg 37 inch lcd works fine for five minutes then a big popping sound happens , i loose picture and sound but power remains, after this it will either keep popping or picture and sound will return for...


Plasma and LCD TV sets are prone to having capacitors in the power supply section fail. This is the most likely cause for the probem you describe. When capacitors fail your will commonly see one or more of the following symptoms.
  • No video, Power light is on or blinking.
  • TV is making a clicking noise.
  • TV takes a while to come on
  • Screen is very dim or flickers.

Again, You can get a power supply repair kit with the parts, detailed instructions, and support from sites such as www.TvRepairKits.com . Or just click here to see more details on their kit.

Here are pictures of capacitors...Notice that the ones below look bloated. They have failed and will need to be repalced.



ecollier2012.jpg
Capacitor being replaced! Fairly easy DIY fix.

ecollier2012_0.jpg
Again, You can get a power supply repair kit with the parts, detailed instructions, and support from sites such as www.TvRepairKits.com . Or just click here to see more details on their kit.

Apr 17, 2011 | LG 37LC7D 37 in. LCD HDTV

1 Answer

Green power light goes on but there is no picture or sound


the green light is on and there is no sound or picture. how much does it cost to get this fixed. 2006 37 lcd?

Oct 07, 2009 | LG 37LC7D 37 in. LCD HDTV

1 Answer

LG plasma have an amber light when turning on then green then red


After all the research I found out that the IC on the Z board is bad and new board was ordered and replaced. The plasma work fine after that and picture is excellent with the new board. This forum is great, without this I couldn't fix it myself. Thank you.

Sep 30, 2009 | Zenith P42W46X 42 in. Plasma EDTV

34 Answers

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.

Dec 31, 2007 | LG RU-42PX10 42 in. HD-Ready Plasma...

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