sharp lc 32gd 8ea

[WILLYAM1]

sharp lc 32gd 8ea
problem:when main power on led is red then with power in remot led is green (no screen no back up light)and then come back to red led (no 24v mesered 6v).
anybody has an answer if the problen in power supply or inverter.
i changed one of the bad opto copler .
thank you willyam.