I do see a signal on pin 3 of G1 (it seems to be oscillating around ~2-4V, I can't see the signal clearly with my oscilloscope), but can't see where it goes; from pin 3 it goes under the board to R131, and from there it seems to go to one of the pins of U21.
Same story with G3 as well, I think...
Doing a fast power cycle just plays the boot chime again, but still no video output.
The battery is brand new, and it does output 3.6V - I also tried without a battery, but same results.
I read that the Quadra 610 has on-board RAM and VRAM, so for now I'm testing it without any extra memory...
Hi all, happy New Year! I'm trying to repair a Quadra 610 that I got some time ago together with a DOS compatibility card. The PSU outputs look fine, but there were some leaked capacitors.
So far I have changed all the electrolytic capacitors (10x 47µF 16V), cleaned the leakaged with isopropyl...