Question about Panasonic TH-42PZ77U TV
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Posted on Jan 02, 2017
SOURCE: No picture or sound
This generally indicates an issue with the backlight inverter loading the power supply. The inverter assembly is easily replaced in this panel and costs approx. $90-140 depending on your parts store. Please use caution when working with this component, it produces the very high voltages required to illuminate the screen.
Good luck to you.
Posted on Jan 01, 2008
SOURCE: Plasma TV will not turn on
The 7 blinks means that the SC scan drive board might need to be replace but only after checking the voltages from the power supply. If the voltages from the power supply are normal, then proceed to replace the SC scan board.
Click here to find the board you need.
Posted on Dec 20, 2008
Panasonic sent a repairman out with the correct part for free, even though the unit was out of warranty. Call 800-524-1448 1 or 800-211-7262
Posted on Oct 06, 2009
Tries tv unplug,replug it back like about an hour later.The tv will be resetting itself back to the factory setting.Now the tv should be working again.If it still have the same problems.The tv have a power supply board problems.That the board,where the a/c power cord plug into it.Try website like Ebay.com to buy a refurbish power supply board for the replacement.
Posted on Jan 19, 2011
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