(Topic ID: 183454)

No solenoids fire?

By illegalpizza12

3 years ago

Topic Stats

  • 5 posts
  • 3 Pinsiders participating
  • Latest reply 3 years ago by vid1900
  • No one calls this topic a favorite


Linked Games

  • Stars Stern Electronics, 1978
#1 3 years ago

i just replaced the mpu in my stern stars but none of the coils fire but all switches are working fine game also boots with all 7 flashes

#2 3 years ago

double check your connectors and board headers and then break out your dmm and check fuses and power. Check under playfield fuses too.

#3 3 years ago

ive checked all that thats whats confusing me i get all the right voltages and fuses are good. when i short them on the solenoid driver board they fire just not when they are supposed to when hit with the ball

#4 3 years ago

did you swap eproms from the original mpu ? Also make sure the switches are the right ones reporting in the switch test. IE: Make sure switch 1 is actually switch 1 etc etc

#5 3 years ago

Do they fire in test mode?

Do all the switches read the right number in test mode?

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