nec plasmas

[neilm]

can any one help me out .i have 3 nec 42 plasmas with faults .number1 is a px42xm1g with heavy lines in top half of screen.i think it may be the upperscreen boards (cannot buy in australia). number 2 is a px42xm3w .this needs a signal input board..number3 is a pxt 42s11s with colour vertical lines part way across screen.you can still see picture behind the lines .i have not got a clue to what is causing this .i need help bad as these are my display sets..thanks to anybody who can help .

[Advise]

did u fix the problem?