PLASMA GE 42 INCH COLOURED LINES. HI, OUT 42 INCH PLASMA RT 42 PX10 - AHLLKG STARTED AFTER A POWER

Question

HI, OUT 42 INCH PLASMA RT 42 PX10 - AHLLKG STARTED AFTER A POWER OUTAGE WITH VERTICAL COLOURED LINES. CALL TV MAN HE SAID IT WAS ONE OR TWO PRINTED CIRCUIT BOARDS, QUOTED 500 + AND NEVER SHOWED UP I AM AN ELECTRICIAN AND THOUFGT I WOULD LOOK AT IT AND ASK ADVICE REGARDS BRIAN