EM Help - Chicago Coin Hee Haw

By SunTzu44

14 years ago

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Latest reply 14 years ago by HELLODEADCITY
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Hee Haw Chicago Coin, 1973

#1 14 years ago

???

Have a 73 Chicago Coin "Hee Haw" Pinball. Got it almost 90% working, but for one issue.
The top left and right playfield bumpers (not the thumpers, Just rubber against 2 switches in the corners), dont work (i.e. register a hit). Switches look good..

I cant find what causes them to work to score points. I thought maybe they were turned on via the Feature Wheel, but it does not look that way. Cant find a relay anywhere that controls them. Since none of them work, I figure it has to be a bad relay, or controlled via a game feature.

Anyone have any ideas?

#2 14 years ago

ECB

erak

Pinside member

Grimsby, ON

15y 122K 3,749 5 86

Are they just score switches? If so first look on your relay board (both sides) for any discoloration around any of the circuits / diodes/ relays. second follow colour code on the switches to the board plug and try cleaning the board contacts, switch contacts. If they are for kickers, same thing but probably bad kicker coil. Good luck.

#3 14 years ago

HDC

HELLODEADCITY

Inactive member

15y 72,650 5,822 8

I never worked on or even played a CCM so I cant give you first hand advice,
however what I would do is actuate by hand the bumpers and other targets on the playfield that do work like sling shots and pop bumpers.
Watch how the points are added- do they trip a relay like 10pts, 100 pts, 1000 pts relay.
or do they use a score motor ? if the other bumpers work & score 10 pts on the same relay then its just a matter of finding the right color code wire that goes to the problem bumper.
Find the relay it could be in the backbox or under the playfield the ID tag may have came off years ago?
BTW -is the backglass on that Hee Haw made of plastic or is it real glass?

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