Bally Space Invaders (Bally, 1980) flipper issue.

[Welsh Warrior]

Guys I'm new to the forum and fairly new to pinball, and want to thank everyone in advance for their help.

Now here's the problem the right flipper doesn't work. All connection and wiring look good. Have power to all coils and flippers. I don't have any voltage at the actual flipper switch on right side. I've trace wiring all the way to the solenoid driver board. I have power on pin going to the blue wire which goes to the left flipper but nothing on the pin going to the red wire which goes to the right flipper switch. This is were I'm stuck any help will be greatly appreciated. Thanks

 

[pinballdaveh]

the 2 flipper buttons get their power from the fuse/rectifier board J2 pin 9 (10 pin connector pin 9 is next to the last pin on right). this pin may have 2 wires going to it one for each flipper button, or one wire going to a flipper button ( prob. the left flipper button) then jumped to the other flipper button. if there is 2 wires on pin 9 check that both are attached. do a resistance test from pin 9 to each flipper button and then from one flipper button to the other to find the problem.

 

[Welsh Warrior]

Ill try it tomorrow. Thanks

 

[Welsh Warrior]

Ok guys I've got power to everything but the right side. Coils are good and continuity is good through wires. Should there be power on both the blue and red wire coming off J2 on solenoid board?

 

[pinballdaveh]

right flipper dc volts comes from the fuse/rectifier board to the flipper switch, comes out of the flipper switch to the solenoid driver board J2 pin 1 , goes thru the flipper relay contacts , and goes to what looks like J1 pin 9 , from there it goes to the flipper coil. since the relay contacts dont suffer much arcing they usually are not the problem. the problem is usually cracked solder connections on the larger male pins. inspect and re-flow solder connections on J1 , J2 , and J5. replace relay if dc volts still does not show at J1 with flipper button pushed in.