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Re: Hitachi 52 in. Plasma
I think you may have dry solder joints on the line output stage. If the solder joints are checked and found to be good then suspect a component on the line output stage or the line output transformer itself. If you can check these faults for yourself start with the solder joints otherwise find a competant technician. Hope this helps.
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Then it is probably not cold solder joints. You wouldn't think that an lcd TV would need a high voltage transformer but it does. They are very small compared to CRT televisions but they power up the screen. Without it you have no backround light to veiw what is there. There are two neon lamps on either side of the screen but they rarley go bad. My guess is the transformer ot the power supply feeding it.
hi all .ive had the same problem,a thick black line down
screen.sometimes it flickers from top to bottom and other permantly in
view.but i have solved it.forget your ic boards and taking apart tv.have
you got either a ps3 or wii connected to tv.if so unplug power lead
from socket and relocate in seperate socket.make sure the lead is
completely free of any other leads and you might just find this works.i
think the power lead creates some sort of frequency that the tv picks up
.good luck hope it works
I finally got information from the repair shop. Apparently it is the
upper and lower panel drive. The parts are supposedly not more than a
couple hundred dollars, though I'll let you know when I get the bill. I
do want to say that Hitachi was great when I called them. Even though
my plasma is out of warranty by a few months, they agreed to pay for
parts if I pay for labor. That just might keep me buying Hitachi
products despite the issues I've had with my 2 plasmas.
IF THE LINE IS ABOUT 1INCH WIDE THE CHANCES ARE IT WILLBE YOUR PLASMA DISPLY THAT HAS GONE . WOULD BR CHEAPER TO BUY A NEW UNIT . HOWEVER TRY RINGING HITACHI EXPLAIN THE FAULT COMPLAIN THAT IT SHOULD OF LASTED LONGER THAN THE WARANTY AND SEE WHAT THEY WILL DO ABOUT IT