On Mon, 12 Dec 2011 16:54:15 -0800 (PST),
(E-Mail Removed) wrote:
>Folks I need your help once again. I have the above mentioned TV that
>shuts down about a second after power up. Get two blinks on the power
>LED. This is 15V(P) DET code. When the set is plugged in, the 15V
>powers up at 15.8V, then the relay clicks, voltage drops to zero.
>Power set up, read 15.8V on supply at test point 7, then set shuts
>down within a second or so.
>
> The service manual says to check the D board for this error code. I
>have checked pretty much all components associated with the 15V supply
>on the power board, and found nothing wrong. My question is, is the
>set shutting down due to over voltage of 15.8V? This info isn't listed
>in the manual I have. I pulled the D board and checked a couple of
>resistors at the panel MICOM IC where the 15V is supplied, where I
>believe the error is being detected. Nothing found wrong. I can't
>check voltages on the D board since you can't access it without
>removing another board from the chassis (A board I think), which won't
>allow set to power up.
>
>I hate to trash this one, and am willing to replace a board, but hope
>someone in this group familiar with plasma's or Panasonic can give me
>some pointers of what/where to check. What do the pro's do to find
>this kind of problems? I am not a pro repair person, but have been
>working on TV's as a hobby for about 7 years. Much thanks to all.
>Best regards.
I've fixed a few plasma TVs, but haven't had the opportunity to work
on Panasonics. There are a couple of resources I can recommend,
however.
Service manuals are available at Elektrotanya -
http://elektrotanya.com/?q=showresul...oria=&kat2=all
There are a number of people with Panasonic plasma experience the
badcaps.net TV troubleshooting forum.
http://www.badcaps.net/forum/forumdisplay.php?f=31
PlainBill
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