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Re: EM Tech: Coin lockout coil, Gottlieb Lawman
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John Robertson
Apr 11, 2021, 8:55:16 PM4/11/21
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On 2021/04/11 10:54 a.m., Frank G wrote:
> Good day all! Working on a Gottlieb Lawman and have a question about the coin lockout coil.
> Whenever a stand up target or drop target is hit/drops the lockout coil also pulls in or energizes at the same time. I'm thinking it shouldn't do that? Can anyone confirm if this is normal operation, thanks!
>
I suspect this is a miss-wiring.
According to the schematics of games of similar vintage to Lawman
normally the Coin Lockout Coil is enabled by the Bounce Switch and the
Anti-Cheat Switch (both normally closed). For the coil to
energize/denergize it must be wired to a motor switch so it cycles once
per 1/3 revolution.
Or, somehow, the Anti-Cheat Switch is responding to the targets
mentioned opening the circuit to the Coin-Lockout Coil.
John :-#)#
--
(Please post followups or tech inquiries to the USENET newsgroup)
John's Jukes Ltd.
MOVED to #7 - 3979 Marine Way, Burnaby, BC, Canada V5J 5E3
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"Old pinballers never die, they just flip out."
> Good day all! Working on a Gottlieb Lawman and have a question about the coin lockout coil.
> Whenever a stand up target or drop target is hit/drops the lockout coil also pulls in or energizes at the same time. I'm thinking it shouldn't do that? Can anyone confirm if this is normal operation, thanks!
>
I suspect this is a miss-wiring.
According to the schematics of games of similar vintage to Lawman
normally the Coin Lockout Coil is enabled by the Bounce Switch and the
Anti-Cheat Switch (both normally closed). For the coil to
energize/denergize it must be wired to a motor switch so it cycles once
per 1/3 revolution.
Or, somehow, the Anti-Cheat Switch is responding to the targets
mentioned opening the circuit to the Coin-Lockout Coil.
John :-#)#
--
(Please post followups or tech inquiries to the USENET newsgroup)
John's Jukes Ltd.
MOVED to #7 - 3979 Marine Way, Burnaby, BC, Canada V5J 5E3
(604)872-5757 (Pinballs, Jukes, Video Games)
www.flippers.com
"Old pinballers never die, they just flip out."
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