I heard Sharp has service bulletin on LC37D43U about power LED 2 flashes and OPC LED 1 flash.
It might come from 3.3v STB to UPC?
I check 5v STB ok.
3.3v is around 3v?
I suspect IC LM324 or some zeners diode around, but I have no service manual to troubleshoot
please help
Thanks
It might come from 3.3v STB to UPC?
I check 5v STB ok.
3.3v is around 3v?
I suspect IC LM324 or some zeners diode around, but I have no service manual to troubleshoot
please help
Thanks