Re: Samsung 50inch Plasma - colored sparkles (videos in thread)


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Re: Samsung 50inch Plasma - colored sparkles (videos in thread)

Hi, Problem solved !!!.......I'm very happy now..... After I replace Y Sustain Board (Y main board) with new ones, the picture not dark anymore, and colour is absolutely normal also more bright then before. In addition I added some heat sink to prevent overheating in its original usage especially for long term use.....in fact until now still be a question mark for me about which item has been damaged in the old board when all voltages have been measured in accordance with note that it is recommended as Va, Vsc, Ve,...

Re: Samsung 50inch Plasma - colored sparkles (videos in thread)



Hi Tom, according to your opinion, should I replace my Logic board or not ??
I'll appreciated all your suggestions, thanks....

Re: Samsung 50inch Plasma - colored sparkles (videos in thread)

Hello guys, I need some help and advice to resolved the problem of my Samsung Plasma TV PS42C91HX.
this is chronology of my TV, at the first time I see "no picture and no sound" after I push ON the TV. but I see the indicator LED blue at the bottom still light on.then I open back of the chassis and start to check, may be some fuse are blown or something wrong inside, then I find some pico fuse 500ma (F4001) at the X main board are Fail/blown, and 4 pcs. Transistor IGBT ( IXGQ90N33 and GP7ON33 ) are...