Hi to everybody!
Am new in this helpful forum, am electronic engineer and i deal with TV repairing. I would like also to report a problem which is happen to me during the repairing of LG 42PC 1RV PLASMA TV. The problem was that tv has sound but no picture.
I find out that one of the 2 fuses on Y-Sus was blown. I also find out that IPM was shorted. I replace IPM with a used one which Chinese quarantine to me that is ok. I replace also the fuse but the problem is still here. NO picture.
By the way i want to mention that all voltages look fine. Vs,Va,Vsc, -VY.
I would like to say also that when i increase the -VY and Vsc voltages i start to have very bad quality dark picture!!!! Can somebody give some help?
Am new in this helpful forum, am electronic engineer and i deal with TV repairing. I would like also to report a problem which is happen to me during the repairing of LG 42PC 1RV PLASMA TV. The problem was that tv has sound but no picture.
I find out that one of the 2 fuses on Y-Sus was blown. I also find out that IPM was shorted. I replace IPM with a used one which Chinese quarantine to me that is ok. I replace also the fuse but the problem is still here. NO picture.
By the way i want to mention that all voltages look fine. Vs,Va,Vsc, -VY.
I would like to say also that when i increase the -VY and Vsc voltages i start to have very bad quality dark picture!!!! Can somebody give some help?
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