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(Topic ID: 294511)

Big Brave match credit problem

By Snaggerbob

2 years ago


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  • 12 posts
  • 3 Pinsiders participating
  • Latest reply 2 years ago by bonzo71
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#2 2 years ago
 
HOW

HowardR

Pinside member

US Boulder, CO

7y 78,050 6,251

OP
Quoted from Snaggerbob:

Sometimes, not always it will award a match for the incorrect number, usually 40 or 50. I have seen these numbers both lit together once or twice at the end of game.

This is a problem with the 00-90 Unit relay (F) in the backbox.

Do its wiper contacts stop reliably in the middle of the disk segments? Are there burns on or between the disk segments?
Here are some links about it you may find helpful.
https://pinside.com/pinball/forum/topic/gtb-as-match-stepper-rebuild-step-by-step
http://www.pinballrebel.com/pinball/cards/cards/Used_cards/Gottlieb_AS-relay_Adjustment_B-11492.jpg
Parts: http://www.pbresource.com/relay-GTB.html#gtb-as

OP
Quoted from Snaggerbob:

Sometimes, not always it will award as many as 4 credits for a match

This can happen if this Motor 1B switch is gapped too closely.

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#7 2 years ago
 
HOW

HowardR

Pinside member

US Boulder, CO

7y 78,050 6,251

Compare the actual wire colors to the schematic

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#10 2 years ago
 
HOW

HowardR

Pinside member

US Boulder, CO

7y 78,050 6,251

OP
Quoted from Snaggerbob:

The relay has two sides with the rotating contacts and the wire colors are different from one side to the other

One side of the relay is on the schematic at 6B, the other side is at 10E.

OP
Quoted from Snaggerbob:

what does the C indicate on the relay?

C is the Common wire: White at 6B and Slate+White at 10E

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