Panasonic TH-42PH9BK red screen

[r17cyy]

Hello everyone, I have a problem with one of our schools plasma, it seem to have a red screen as if the blacks are now red, i saw it in a similar post, and it looks like same problem, I have opened it up, fans are all working and clean, checked as much connectors as possible, could it be on it way out, the picture looks red and a little patchy. any help would be great.

[tom66]

Re: Panasonic TH-42PH9BK red screen

Could you show a picture of the exact fault? There are two possibilities - most likely loose LVDS (red multistranded cable going to the "D" board.) Second most likely is bad "SS" board which can cause a red tint to the image.

[r17cyy]

Re: Panasonic TH-42PH9BK red screen

thanks tom, i had the plasma on a table face down, i hope the photo helps, i took of the multi red cable and reseated it , but still no joy. Prob goosed

[r17cyy]

Re: Panasonic TH-42PH9BK red screen

I still have the same issue, since i put it back together, it has flickered back to normal a few time, staying for 5 secs to 1 minute, I have uploaded another photo, the menu controls look normal. any help would be great

[Ltank]

Re: Panasonic TH-42PH9BK red screen

Are all the voltages correct? There is a tag on screen as what they are supposed to be.

[Alastair E]

Re: Panasonic TH-42PH9BK red screen

Locate and clean both ends of the LVDS Cable from A Board to D Board with WD/40.

[r17cyy]

Re: Panasonic TH-42PH9BK red screen

Thanks I will try that and let you know.

[r17cyy]

Re: Panasonic TH-42PH9BK red screen

thank you so much for all your help, got the problem fixed so really impressed with the service and knowledge of all the people that help. I removed all the cables and clean them all with wd 40, put them back together and then left it for a few hours until residue dried up, powered up and its been working now for 1 week. Great job guys thank you very much.