Hi,
i have a C64 Assy 250407 on my bench , with BLACK SCREEN!
What i've Testet Power +12V +5V out of the regulator
AC 9V and +5V on User Port
Reset Line on 6510 on PowerUP first LOW then 5V
I powered up the C64 10 min nothing get hot
only the SID is socket i removed it , Black Screen again
black screen with Dead Test Cartridge
I need a hint, what i can check with a Multimeter ? no Oszi on my own
thanx for your help ![]()
Björn