Hello to all you great people trying to help others. I don't know if this is the spot to post a question but here goes. i have an lg 50pq60 that when you press the on button goes immediately into power cycling. i have tested the PS and all is well even AC_DET is perfect 5v. I then disconnected the y-sus connector and the relay on the PS clicks once and all voltages are within range from the PS output terminals. I found a blown fuse on the y-sus board which was the one circled in green and temporarily repaired. Same problem as the start though. If I dissconnect the y-sus from the buffer the same...

Re: LG plasma MZ-42PZ44 YSUS short

Hello to all you great people trying to help others. I don't know if this is the spot to post a question but here goes. i have an lg 50pq60 that when you press the on button goes immediately into power cycling. i have tested the PS and all is well even AC_DET is perfect 5v. I then disconnected the y-sus connector and the relay on the PS clicks once and all voltages are within range from the PS output terminals. I found a blown fuse on the y-sus board which was the one circled in green and temporarily repaired. Same problem as the start though....