Banning, CA
Quoted from chinosts:So if anyone is interested.. The latest update to this is that it appears that there is a constant 80v (not activated) from the + wire connecting the right flipper coil which reads at the coil end but not at the flipper board end. The other flippers that are working 0v when not pressed. My guess is that there is a short somewhere between the flipper coil and the flipper board so the next task is to trace that wire from the coil to the flipper board to find where the issue is.
Interesting problem.
Can you double check the reading at the flipper board where you get 0 volts (CN2 pin 7 or
and at the coil where you get 80 volts. I can't see how you can have voltage at the flipper, but not at the flipper board (see schematic). The only way I can see this is if someone disconnected that coil from the flipper board and hard-wired it to 50v. With the power off you could check for continuity from the coil to CN2 pin 7/8 and then coil to CN2 pin 11/12.
Also suspicious of the timing of the problem arising. Can you quadruple check the diode orientation: blu/yel wire from CN2-7/8 going to the banded side of the diode.
Quoted from Racer__X:One thing I found interesting (not sure if it means anything) is that the flipper board onboard little red light works with the flipper and lights up and doesn't blow the fuse when I hit the flipper button while the machine is not playing but the fuse blows soon as the start button starts the game and the flipper is pressed.
When you press the start button does the right flipper energize.
