Question about Televison & Video
Have a 20 mon. old TV just turned off by iteself while it was on, i tried to turn back on and it seem to turn on and then shuts down by iteself and the i see power light blinks 12 times. Panasonic is not taking any responsibility and neither is their tech/service center, so i can use help to find out the problem and if anyone have solution.
Bad capacitors...! Remove rear panel cover from tv. Most require a star screwdriver. Look for bulging caps in power supply board. (3300uf 10v ) caps need to be replaced with 3300uf 16v. Identify the bad caps.... Caps are bad when they are bulged/bulged and raised. A good Cap is flat X top not raised or buldged. I have pics of what bad caps look like on these boards. Email me if you would like to to see them. Caps cost abywhere from 1-2 dollars or you can buy them in lots of 10 or 12 on ebay for around 8 bucks. Caps need to be soldered on. Do it yourself (if confortable) or take it to a tech/pc repair shop in your local area. Do do that unplug all the wire harness from the board and unscrew the boarda nd take to your teck to solder on the new caps.
You can fix this for about 20 bucks if you have someone else solder or 40 cents if you buy the caps on ebay and replace the 2 bad ones yourself. If one is bad and the other is not replace them both.
The caps go bad because they need to be a higher voltage. 10 insn't enough..... 16 is plenty and don't go any higher than that.
Posted on Feb 07, 2009
Last night we worked on a TH-50PZ700U with this exact set of symptoms. We swapped out the H and DG boards with a known good unit (mine!), to no avail. Still no power and 12 blinks. Then we swapped the D board and it worked immediately and perfectly.
I cannot tell you if this is the right revision, but here is the board we swapped.
Posted on May 08, 2009
a 6ya Technician can help you resolve that issue over the phone in a minute or two.
Best thing about this new service is that you are never placed on hold and get to talk to real repair professionals here in the US.
click here to Talk to a Technician (only for users in the US for now) and get all the help you need.
Posted on Jan 02, 2017
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