(Topic ID: 210155)

Firepower - one dead flipper

By Traflo

1 year ago

Topic Stats

  • 7 posts
  • 3 Pinsiders participating
  • Latest reply 1 year ago by Schwaggs
  • Topic is favorited by 1 Pinsider


Linked Games

#1 1 year ago

I was playing my Firepower the other day, and suddenly my right flipper quit. Left flipper still works fine. I decided to replace the coil and the cabinet swith, since the old coil looked original and the switch looked pretty sad. Didn't fix the problem. Now the coil shows its only getting 4 volts. I did confirm that the orange/blue wire from the switch to the MPU board has continuity. I recently replaceedthe caps on the power board. What should I be looking at/for?

#2 1 year ago

Bear with me, I'm no tech but.....I can BBQ pretty good. I'm assuming you've reset connectors on left side of driver board including the 2J12 as those are the ones I think may be responsible for power/ ground for solenoids. Page 25 of the manual shows a good schematic of colors for flippers etc with org/vio being for the left. There's also a relay on board contained in lil box near 2J12 connector that sometimes has issues.

#3 1 year ago

Yep, I did reset the 2J12 connector (thank God for the manual!). I noticed the relay as well.

#4 1 year ago

Reset that whole side as well. Then check again, then next thing I would do is try and eliminate the possibility of pf/cabinet issues and do a jump from left flipper board pin to rt flipper connector socket (you'll need something to act as a pin in the connector and put an alligator clip on it.) You may devise another way of making a secure connection, this just works for me. An insulated Alligator clip will help insure your not touching the adjacent board pins. The connector can be left off as you don't care about any of the other solenoids. Check results and then reverse to Rt flipper pin to left flipper connector socket. Note results.

#5 1 year ago

Have a look at J3 on the power supply board. There are 2 separate wires that provide power to the left and right flippers separately. Since you are only getting 4V to one of the flipper coils, it could be the connector or a cold solder joint on the header pins at J3.

If that looks good, follow the wires from J3 to the connector between the backbox and lower cabinet and check that connection.

#6 1 year ago

Thanks for the guidance. Not sure if it was J3, or the 32-pin connector from the head to the playfield, but I have my voltage back.

#7 1 year ago
Quoted from Traflo:

Thanks for the guidance. Not sure if it was J3, or the 32-pin connector from the head to the playfield, but I have my voltage back.

Awesome! Now you know where to look if this occurs again. Cold solder joints have a habit of appearing on the header pins on these games. If it happens again, you should start by reflowing the solder on J3 header pins.

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