(Topic ID: 239665)

Black rose - coil and switch column problem ?


By Whitewater

1 year ago



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  • 6 posts
  • 3 Pinsiders participating
  • Latest reply 10 months ago by Whitewater
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#1 1 year ago

Hi guys

I have a mystery problem with my Black Rose.

1. When I turn on the game, I get no error message
2. When I start a game the flippers do not work and the 'davy jones locker' coil starts firing (about 10 seconds between firing)
3. When I go into test mode (solenoids) all coils work fine
4. When I go into test mode (switches) none of column 2 switches register

Things I have done

1. Tested all switches in column 2 for continuity to back of CPU board (no issues)
2. Replaced all diodes on column 2 switches
3. Swapped out the U20 chip
4. Swapped the whole CPU board into another game (no issues)
5. Sent the power driver board away for checking (no issues)

Now I don't know what else to do or check

Any advice or suggestions would be greatly appreciated
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#2 1 year ago

I'm a bit confused by your post. You keep talking about column 8 switches, yet there are no switches on column 8 on Black Rose.

Screenshot_20190331-094701 (resized).png
#3 1 year ago
Quoted from wayout440:

I'm a bit confused by your post. You keep talking about column 8 switches, yet there are no switches on column 8 on Black Rose.
[quoted image]

Sorry I meant column 2 (green red wire)

#4 1 year ago

Ok. You put the CPU in another game and column 2 worked correctly. This would be a playfield or wiring problem.

#5 1 year ago

Do you have 14~15 Volt at the flipperbutton optoboard ?

1 month later
#6 10 months ago

Update. I think I've solved the puzzle. The ramp coil issue was related to a flaky switch. The column of switches not working could be due to a GI light that had shorted to earth. I've sent the cpu board off to be repaired

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