Panasonic Viera tx-42as650b blinks once every 3s
Our tv recently stopped working, can anyone diagnose this and maybe provide a fix?
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Hi,
Here’s the service manual for the TV. (be patient as it takes a little while to go from processing to download once you have checked the “I’m not a robot” check box and clicked on Go to download, under the Document preview box).
In the manual on p.19 Sect.7.3 you’ll find the LCD panel test mode procedure which may be a good first step. Looking above at Sect.7.2 it shows that a single blink may be either a faulty panel or the P board.
If the panel appears to be OK then on p.32 there are the voltages and test points for the P board and the A board that can be checked.
The manual also has full schematics, assembly instructions and a parts list
Hopefully a start
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