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I think you may have seen this site, but just to be sure;
It looks very useful for you.
these guys have a service manual and supplement for sale;
also I saw a blog saying that you can actually order these from panasonic direct - haven't tried it myself
Hope this helps :)
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Bad TV PSU (power supply unit) and seems dangerous to me.
arc'ing? sounds. I'd not plug it in to AC wall power until fixed.
did water land on TV?
why not get a shop to fix it?
or buy \the shop manual
the manual you don't have may say
the main board needs to be reprogrammed to use this size 50" screen, and if not done by the book there is no hope.
learn to RTM first, no 2 TVs are the same.
some have 1 main logic board that works on 3 screen size models.
why not get shop to do that? and not pour cash down a pit. to zero gain, why?
what if the PSU was overloaded, even the LED background array can do that if bad. so replacing the boards 10x will not cure that. see???????
next time by LG or Samsung. far far far better long lasting TVs
and 10x better service, (consider that)
Try this Make sure no game in ps3 turn ps3 off and by the switch at the back unplug it wait a couple of sec then plug it back in turn on buy the switch at the back then hold down power and eject hear a beep keep both preseec till 2nd beep let go should be able set it to ya tv
have been a tech for 26 yrs now i have seen so many postings on here
about bulging caps and so on but there is only 1 thing to do our
workshop has 18000 dollars in test equipment alone there is a great
reason for this the amount of vereables that can go wrong with nano
electronics there is no easy fix to this problem it needs to be seen by a
certified electronics tech this is your best chance of having this tv
fixed correctly im not putting down other techs on this site but some
things we can fix by computer network some we cant imagine even if this
tv was in my workshop right now it would take us over an hour just to
find and fix the cause
Im afraid the set is probably in an over current protection mode wherebye it shuts down to protect itself as one aaea of the tv is drawing excess current, the pattern of flashes will have a code which would guide a techie to problem area, im afraid you will need an engineer visit,sorry George
Left up the VCR tape gate,see,if the tape still in there?Yes,unplug,10 mins.replug the Tv and push the tape forward botton.Let the tape go forward about 5 sec. eject the tape take out.Grandson probally rewind the same seen to many times,causing power power shotdown mode.
Im assuming you are using a power inverter right? Before you do this see what the output power for the inverter is and see what is required on the majic bullet. For instance. My small inverter has a power output of 110v and i tried to charge my craftmans 19.2v battery. Well I didn't check that the charger required 120v of power and thus I fried up one of my batteries. As far as drain on your battery? a 10 second or 5 minute go will not do anything to it.
As far as fixing goes, you might as well get a new TV... Unless its a LARGE EXPENSIVE HOLY $%^# TV, It will cost more to fix, than to just buy a new one, unless its under warranty, which being an older model as that (or so im reading) It may not be covered.
Try unplugging the TV, and while unplugged, hold down the power button for a full minute (yes, with the plug NOT in the wall) after a minute, plug it back in, and try. Its a hard reset. If it still does not work, and you've tried different outlets, It's probably a repair issue, and you'll need to get someone to fix it, or just junk it :-/