hyundai-model HOP42M1(LG PDP 42V5)

[WILLYAM1]

HI EVERYONE.
PROBLEM IS WITH POWER ON LED RED STBYIS ON . POWER ON WITH REMOTLED TURN TO GREEN FOR FEW SEC AND GO TO STBY.
POWER SUPPLY NO' DGK-420W.
WITH POWER ON 5V 12V 9V 24V ALL OK.
VA65V OK BUT VS START TO RISE TO MAX 30V AND FALL RELAY CLICK AND SDBT AGAIN.
FIND AND CHANGE R12 6.8OHM/5WBUT WHITH NO HELP.
ANYONE HAVE ASULOTION OR ANYONE HAVE SCHEMATIC TO THIS P.S.
EVEN  WHEN P .S WITH NO LOUD STEEL NO VS-188V.
WILLYAM1