Question about Sanyo DP42746 42 in. Plasma Television
I have an 18 month old DP42746 and the other day, my kids were watching tv and all of a sudden, the screen went black and the sound died. Upon turning it back on, the relay on the back clicked on for a few seconds then turned off again. Now I've got a 1500.00 black mirror. From what I've read so far, the Y-main is probably gone (probably a diode or transistor) and possibly the lower buffer board. I've bypassed protect mode and now I only get sound out of the video out modes. LED is flashing 12 times indicating a D12V problem. Anyone know where I can purchase these circuit boards or even have them repaired?
Pissed off in Toronto.....
I basically paid $1,000 a year to have this piece of grud. I am having the same problem everyone else is. It shuts off by it's self, then when I try to turn it back on, it shuts it self back off or the picture looks like its having a hard time showing. Very frustrated and feel ripped off.
Posted on Feb 26, 2010
Im working on same problem as many of you have mentioned.Seem 's that this is a steady problem for this model.There is a capacitor that normally goes out.Probably caused from a weak transistor or diode.This can be cheaply fixed,if you know someone, or have some experience in electronics.If you are willing,,you can remove all back screws,and examine the boards.Look for a capacitor with a dome shaped top or one that look major blown apart.probably will be a 50 volt 100 uF capacitor......Im doing research to find reasonabley priced parts.Ill share info when i find more out about this plasma problem.
Posted on Dec 27, 2009
LJ92-01200A. Same issue here. Removed the Y Sus board and the tv worked. Sent the board for repair and they changed D5020 & it appears to have new solder on C5020. The solder on the heat sink over Q5006, Q5007, Q5008, Q5009, Q5010 appears new. Originally, I checked the two capitors capacitors on the power board (3000uf 10v) but they were ok. The buffer boards are new.
Posted on Mar 19, 2010
Used parts at www.shopjimmy.com
Posted on Aug 06, 2008
Chances you blew the power board. Check that the caps are blown in the primary and secondary lines. Also the SMT fuses may be blown too. This is likely a heat related problem if the TV does the same thing over and over again. I had all those issues with a Scott TV and an LG. An older model LG had heat issues that would make it cut out because of a tuner over heat problem. Hard to know exactly what the fix should be.
Posted on Jan 02, 2015
Posted on Aug 08, 2008
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