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Author Topic: Gottlieb C-20953: Anyone know what this little circuit board does?  (Read 318 times)

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Offline pinnies4me

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Gottlieb C-20953: Anyone know what this little circuit board does?
« on: August 17, 2009, 03:40:09 PM »
This was added in the head of the Haunted House, and a connector was patched in (but all bar one wire was cut). No idea what the board is, and things seem to work nicely without it. Googled and all I got was an ebay listing with one for sale (but function not described). Anybody know?
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Offline pinballmedico

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Re: Gottlieb C-20953: Anyone know what this little circuit board does?
« Reply #1 on: August 17, 2009, 04:12:09 PM »
sytem 80 gottlieb reset board , machine can function without it.
Resets cpu to prevent coils locking on and burning out when cpu develops fault and locks up.
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Offline ddstoys

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Re: Gottlieb C-20953: Anyone know what this little circuit board does?
« Reply #2 on: August 17, 2009, 04:16:34 PM »
Quote from: pinballmedico on August 17, 2009, 04:12:09 PM
sytem 80 gottlieb reset board , machine can function without it.
Resets cpu to prevent coils locking on and burning out when cpu develops fault and locks up.

Yep thats what it is  @@*
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Offline ktm450

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Re: Gottlieb C-20953: Anyone know what this little circuit board does?
« Reply #3 on: August 17, 2009, 04:39:53 PM »
Quote from: pinballmedico on August 17, 2009, 04:12:09 PM
sytem 80 gottlieb reset board , machine can function without it.
Resets cpu to prevent coils locking on and burning out when cpu develops fault and locks up.

 %)% pinballmedico, feel free to post in the 'introduce yourself' section mate  $!&
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Offline pinnies4me

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Re: Gottlieb C-20953: Anyone know what this little circuit board does?
« Reply #4 on: August 17, 2009, 05:19:31 PM »
Ah, that rings a bell! Well I guess I won't need it with Pascal's board doing its thing. Must check is there's one in my BH (although I doubt it never having seen one before).
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Offline The pinballist formally known as Dean Morgan

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Re: Gottlieb C-20953: Anyone know what this little circuit board does?
« Reply #5 on: August 17, 2009, 06:09:33 PM »
Quote from: pinnies4me on August 17, 2009, 05:19:31 PM
Ah, that rings a bell! Well I guess I won't need it with Pascal's board doing its thing. Must check is there's one in my BH (although I doubt it never having seen one before).
Youre right if installing the new CPU, this reset board is no longer required.
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Offline chris288

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Re: Gottlieb C-20953: Anyone know what this little circuit board does?
« Reply #6 on: August 17, 2009, 08:22:18 PM »
Yep, reset board. Got one in the Rocky I bought off Mark recently.

I've got 3 Black Holes and strangely none of those have got one !@#
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Offline Pinfan

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Re: Gottlieb C-20953: Anyone know what this little circuit board does?
« Reply #7 on: August 17, 2009, 08:25:30 PM »
These reset boards were predominantly in system 80 A's and 80 B's and not system 80's...

IMO they are useless for home use.
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Offline ddstoys

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Re: Gottlieb C-20953: Anyone know what this little circuit board does?
« Reply #8 on: August 17, 2009, 09:32:03 PM »
Quote from: Pinfan on August 17, 2009, 08:25:30 PM
These reset boards were predominantly in system 80 A's and 80 B's and not system 80's...

IMO they are useless for home use.

Sound like most gottlieb sys80 boards lol
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Offline pinnies4me

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Re: Gottlieb C-20953: Anyone know what this little circuit board does?
« Reply #9 on: August 18, 2009, 12:16:11 AM »
Quote from: ddstoys on August 17, 2009, 09:32:03 PM
Sound like most gottlieb sys80 boards lol

 :lol
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