Panasonic DMR-E85H DVD Recorder "test plasma tv main" Questions

...Plasma, test Sustain (Ysus/Zsus) / Buffer boards , cables to plasma, digital board and power board. On Rear Projection : check lamp, lamp ballast, power board, and convergence. On CRT TVs, check ...

...test with any normal starting options (Is also not recording as programmed). The screen goes blank, almost if there is a power shortage whenever I try anything to get it too life or try to open disc ...