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I have a 40" pure view LCD TV model # PV40LD400 and the picture does not show, when powering on the pure view sign comes on like normal but the screen turns black right away.

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  • Televison & ... Master
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Back light is possibly faulty. Maybe the inverter or the lamps themselves.

Posted on Nov 19, 2014

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Posted on Jan 02, 2017

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SOURCE: No picture on TV with powerlight on

If you press the power button *on* your TV (rather than using the RC), does the power light still stay on red rather than turn green?

Posted on Jan 05, 2008

SOURCE: Samsung LE40R51B no picture but turns on

i have the same problem i was told by a repairman that samsungs are known for bad psu. and that its expensive to repair

Posted on Feb 05, 2008

  • 2 Answers

SOURCE: hp 42 plasma tv cptoh 0602 I get sound but no picture

I had the same problem today, Hp wanted $629+tax to fix. With a little mechanical ablity anyone can fix this.
1. remove back covers
2. left-hand side is the video board
3. two white fuses
4. replace

this fixed mine and they only cost $1.50 each

Posted on Nov 26, 2008

romsky79
  • 822 Answers

SOURCE: screen goes dark after few minutes

check your LCD inverter maybe there is loss connection or some parts damage from inverter.

Posted on May 05, 2009

jerryg50
  • 1689 Answers

SOURCE: when i turn my tv on 3/4 of the right side of the

The problem is most likely in the image processor area, or the backplane circuitry on the screen itself.
The service rep would be equipped to properly service your set. You should call LG to find out who in your area is able to service your set.
If the set is out of warranty it could be fairly expensive to service.

Jerry G.

Posted on Dec 16, 2009

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1 Answer

I have a PUREVIEW 40" LCD TV Model# PV40LD400. I have Power but no picture or sound. I replaced the Backlight Inverter and the power board on but he TV is doing the same thing. It will power on and t


Then you have to assume something is defect. As a technician, I most of the time need equipment connected to the TV, to do my diagnose. Also the technical manual. But before you try to replace all parts and in the end still have a TV that does not do what you want, why not bring it to a service centre, or replace the tv as a whole? (Buy a new one?) A defect in a TV, is not a like software bug, you can come around by a reset or so.
Sorry but sometimes you have to accept something is defect and you can't repair it.

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