Hi to all !
panel 42V7
No pic sound ok
replaced :
YSUS=6871QYH036D
ZSUS=6871QZH041B
CONTROL=6871QCH053G ( the suffix at the old one is "H" )
first replaced only YSUS & ZSUS
the set start working but picture with white spots then replaced the control board now the picture comes and goes off all the time .so the voltages VSC & VY at the YSUS has adjusted now screen comes on display ok but when i put video signal screen goes off .who knows how to solve this problem.