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The Aussie Pinball Arcade
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System 11b mpu conversion to 11a.
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Message #185096
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Topic: System 11b mpu conversion to 11a. (Read 1100 times)
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Steevsee
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Brisbane
Re: System 11b mpu conversion to 11a.
«
on:
March 30, 2016, 11:00:17 AM »
Were the blown transistors replaced?
You can easily test the large TIPs on the bench with a continuity meter.
With power off, check for continuity between ground and the metal tab of each transistor.
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System 11b mpu conversion to 11a.
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Message #185096