Question about Panasonic Viera TH-50PZ80U Plasma TV
Picture and sound are working screen is almost black like backlight is out. fuses checked out good no blinking light.
There is no backlight CCFL lamps to Plasma displays, like LCD ones. If there is no screen with plasmas, the Z-Sustain board should be checked and replaced. This is actually a skilled work, and not a user repairable one, if the user is not experienced to work with plasma displays. Check this link and see whether you can do it by yourself. The link have enough details about the faults to Panasonic brand TVs.
Posted on Jan 17, 2013
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Posted on Jan 02, 2017
SOURCE: panasonic viera hd tv th 50pz80u
We had a Pioneer that did the same thing. We called a Pioneer Service Center. It appears there was a recall on the Power Supply. They fixed it in our home at not charge.
Posted on Jan 07, 2009
1. Reseating the connector P25 may solve the problem. If it does not.
2. Unplug the unit andd disconnect the connectors A5, A6, and A7. Apply power to the TV. If a White screen comes up and all voltages check normal, replace the P board.
3. If the TV stays on after isolating the SC board, then replace the SC board and the D board; it is likely that the fuse on the D board is blown.
Posted on Dec 06, 2009
Power board it dead,take the tv aparts.Check for Capacitors parts for puff up or burst open.Know how to solders?replaced these capacitors in the power board.Or replaced the whole power board.Tries Shopjimmy.com,Ebay.com.
Posted on Jan 19, 2010
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