(Topic ID: 190414)

Paragon solenoid intermittent activation

By Xtraball

6 years ago



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#1 6 years ago

My paragon has been working fine for months. While recently playing a game the ball landed in the Paragon saucer (upper right) and didn't kick out. Went into solenoid test and #4 solenoid doesn't kick. Tuned the game off and come back later it's fine for a game or so. Then it quits again. Thought maybe a heat issue. Next day turn game on and it still doesn't work. Later that night I turn the game on and it works. I don't play a game I just shut the game off and turned it back on again and it doesn't fire. The game didn't have a chance to get hot in the backbox. I determined transistor #14 is for the saucer so I grounded it and it fires. What would be next step?

#2 6 years ago

Could the switch in the saucer need some cleaning? dip a business card in some alcohol and rub it between the contacts.

Jeff

#3 6 years ago

It scores correctly and plays the appropriate tune every time the ball lands in the saucer. I don't think it's the switch.

#4 6 years ago

Reflow all the connector pins on the driver board, just in case

#5 6 years ago

Disconnect and reconnect the connector housing that the wire for SOL#4 goes through. If this resolves the problem, plan on rebuilding the connectors soon. Order your headers and connector pins from Great Plains Electronics (both sizes, .100 and .156).

Rebuilding connectors is mandatory in this vintage game if they haven't been done recently.

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