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LG 60PV250 - black screen, but audio works    
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Myth



Joined: 27 Mar 2016
Posts: 1

PostPosted: Sun Mar 27, 2016 5:35 am    Post subject: LG 60PV250 - black screen, but audio works Reply with quote

60" LG 60PV250 plasma TV stopped working and I would like to try to repair it, I'm not really experienced in TV repair however I'm confident enough to repair it myself if I know exactly what the problem is, I just need help pinpointing the issue.

I opened the TV up and cleaned all the dust from it and went over all of the capacitors very thoroughly with a magnifying glass and didn't notice any bulged or blown capacitors. The TV does have sound but NO picture at all, I also tried the flashlight trick to see if I could see ANYTHING and nothing showed behind the screen. I took off the power supply board and the Y sustain board and went over all of the capacitor connections on the back and front with a multimeter voltage detector and everything seemed good. I would like to mention that before the TV went completely black the colors were a little messed up for example a person's face would have green and purple colors on it.

Does anyone know what could be causing this? I'd appreciate it a ton if someone could try to help me find out exactly what's causing the problem so I can order the part and fix it Smile
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manmike



Joined: 29 Jan 2015
Posts: 4
Location: USA

PostPosted: Thu Apr 28, 2016 8:01 pm    Post subject: Re: LG 60PV250 - black screen, but audio works Reply with quote

The problem that your TV is having is caused by a defective Ysus Board (big board on the left side of TV from back view). This is not the capacitor issue, this problem is caused because the Ysus board circuit is opened and the VS voltage does not come from the power supply through the Ysus to the screen. In LCD/LED tv you can used the flashlight trick to see the image but in the plasma TV you can't. The plasma TV doesn't use back-light so the flashlight trick doesn't work.
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