Hi guys,
I have problems no picture with LG model 50PT350, first of all, I change the 2 buffer boards who was no good, the TV working 2 weeks and today same problem, I check and I found Zsus board defect now, I change it for a new one and no picture, I check VS VA and 5 volts , all this voltage are there, I disconnect the upper buffer board, no picture, I disconnect the lower buffer board, no picture, what I have to check now?
I have problems no picture with LG model 50PT350, first of all, I change the 2 buffer boards who was no good, the TV working 2 weeks and today same problem, I check and I found Zsus board defect now, I change it for a new one and no picture, I check VS VA and 5 volts , all this voltage are there, I disconnect the upper buffer board, no picture, I disconnect the lower buffer board, no picture, what I have to check now?
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