(Topic ID: 180292)

Where do I go from here? Need some direction...


By megalo17

3 years ago



Topic Stats

  • 3 posts
  • 2 Pinsiders participating
  • Latest reply 3 years ago by megalo17
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You

Linked Games

  • Stars Stern Electronics, 1978
#1 3 years ago

Without getting into specifics (already tried that) I'm hoping to get some troubleshooting direction:

Early SS Stern. All boards replaced with Alltek (mpu, solenoid, and gulf pinball Power supply boards). Issues were present prior to board replacements.

Problem: NO solenoids work, except flippers.
Already known:
-All fuses are good (tested w/ dmm) and fuse holders.
-All coils have 45Vdc on both leads.
-Switch matrix is intact, as evidenced by all switches will register points when game "started."
-All diodes are at least soldered in the correct direction (I haven't started to disconnect a leg in order to test them yet)
-Connectors seem to be making good contact.
-All voltages are in range (except tp3 on ps board is high at 18vdc, vice 12)

Where to go:
I'm thinking my next step is to verify every wire is in it's proper connection point, since some of them had been repinned prior to me owning it.

Any other advice is appreciated! I'd hate to give up now, after I've invested so much time and money w/ the new boards...

#2 3 years ago

Did you check the under Playfield fuse? If so then it has to be connectors

#3 3 years ago

Yeah, that fuse is good to go. I'll verify all connectors have proper wires going to them, and then start re-pinning tomorrow. Thanks

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