Question about Philips 50PF7321D 50 in. Plasma HDTV
We got it in 07 new. problem seems to be getting worse since sept. if I turn the reciever off then back on it seems to reset the tv picture but shortly fades back to a blue tint.
Unplug both the set and a box or receiver if used with the set, remove from power for several minutes and replug all to see if a reboot will help or not.
Posted on Dec 10, 2012
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Posted on Jan 02, 2017
SOURCE: Half the screen has gone black
Ok first lets start with the half screen and no lit screen . Samsung plasma panels (S42AX-YD01) HD V4. are really bad about the Y-board (upper,lower) buffers are really bad about getting hot and burining up. If u remove the back cover of TV u will see on the left side the Y-board (it will be marked in small letters) if u look and the rows of IC's with heatsinks on the buffers will be a dark yellow. Majority of the time if u remove the buffers. and look underneath them u will see the solder has melted from the board. U can replace the Y-board and buffers and the TV will work fine.
Next part if u have vertical lines in the panel. There is not much u can do as a repair. Only thing u can do is get panel replaced. because there is and IC that is burned up on the panel, and trust me there isn't anything u can do to fix it. If u want to see for yourself. After removing the back cover, remove SSB, and brackets holding PDP in place. at the bottom of TV there is a row of buffers marked E,F,G, ( i think) there is a long heat sink covering the IC's at the bottom connected to the bottom of PDP. As u can see without a $70k machine to change this there is not much u can do with it. Hope this helps.
Posted on Apr 14, 2008
The power board numbers you need to search for on eBay is 310432847531 or 310432838621 - they are compatible according to Philips.
Posted on Nov 05, 2009
SOURCE: No picture on Philips LCD TV
One very common problem encountered on many Philips models, old and new, In some cases, the SSB board has to be replaced as the resistor on the PCB on the back of the CRT had to be fixed. In other cases the Y Sustain board had to be replaced. If the problem is not due to these two issues, then the capacitors will need to be replaced as they only have a fixed guaranteed life. Thus, it would be wise to take out an extended warranty on Philips due to this common repair issue which often occurs after the limited warranty has ended. Or you could just call your local repairman. There are lots of websites on how to fix it yourself on google. There could be many reasons. Hope this helps!
Posted on Apr 14, 2010
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