Hi guys. I have been trying to fix a kv-34xbr910.
So, I replaced the mosfets which were all shorted, one fusable resistor, both I'c
(now socketed) and the thermistor. set was up and running! I bought a pattern generator to do an alignment, and when I powered it up again with the rear cover off, I saw a bit of light and then it was doing the 6/7 flash routine again.
I remember that flash from earlier troubleshooting so pulled the board and sure enough a fusible resistor went. also 2 of the mosfets shorted out again.
I replaced them and now the set is still doing the 6 blinks. I'm very unhappy
What could cause this board to eat mosfets like that? I'm out of spares (mosfets and Ics). I don't want to trash this set. I have spent a lot of time and a fair amount of $ on it by now.