20 PDP TV series The most common failure is prone to shut down seven lights flash automatically protected under a lot of service personnel to detect SU, SD plates no internal display driver IC breakdown, the SC board in front of each power supply voltage protection is also normal , I could not find the cause. The reason is that the original SC A board to board SC20 cable is bad, you can replace after troubleshooting. Sometimes repeated cleaning SC20 plugs and sockets can also troubleshoot, but easy to relapse after some time again.MyGservice manual download site