mitsubishi 50P-ghs91 shutdown

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I have a projection tv that we use as an arcade game that goes into the shutdown mode after the 2 tries. Light 1 stays solid on the screen. Then it asks if Light 3 blinks momently(?). It blinks then goes out. Light 4 stays on solid. Then it goes to the general "PCB-DEFL, PCB-HV" problem. Well that's a big help. I've just looked at the manual and haven't really gotten in to it yet. Wondered if this is a common problem and there's an easy answer. New to this forum so any help would be appreciated. Any Q'[email protected]

[minnie]

You sure that's the right model #? Never herd of it. US model or UK?