(Topic ID: 248347)

1975 Gottlieb Fast Draw - ABC rollovers not working correctly

By RussMyers

4 years ago



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  • 4 Pinsiders participating
  • Latest reply 4 years ago by RussMyers
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#1 4 years ago

1975 Gottlieb Fast Draw - ABC rollovers not working correctly

When the game resets, the ABC rollover lights at the top of the playfield (and the inlanes) will not light, and the ABC inserts in the middle of the playfield are always lit, and the pop bumpers are always lit.

The lane switches all score points, but the lamps will not turn on and off the way they are supposed to.

RussMyers

#3 4 years ago
Quoted from oldpins:

Check the fuse for the 'Sequence Bank Reset' coil first. Will be found on underside of the playfield from memory.

OK, I will check this.

RM

#5 4 years ago

The fuse for the 'Sequence Bank Reset' coil was pulled and tested fine for continuity.

After very careful inspection I pulled on the wires going to the coil and one was broken off the lug even though it looked like it was still attached.

Soldered the wire back on and Bob's your uncle.

RussM

#8 4 years ago
Quoted from Raff:

Are your pop bumper lights still on all the time.

No, the ABC sequence now works correctly, i.e. at game/ball start, top lane and inlane/outlane ABC are lit and center ABC and pops are unlit.

This reverses as the ABC rollovers are triggered, and the pops go from 10pts to 100 pts

RM

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