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Subject: Re: One note plays and stays on when unit switched on


Author:
Tom Lear
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Date Posted: 03:04:58 12/12/02 Thu
In reply to: Neil Palmer 's message, "One note plays and stays on when unit switched on" on 07:01:58 12/10/02 Tue
 Howdy Neil,

Check the transistor on the driver board for that solenoid to see that it's clean and no debris has shorted out the wires. If it appears physically alright, then it may be shot. You can replace those transistors with a newer version that's suppose to be better. They are cheap here in the US at about 25 cents apiece. The later series of driver boards use Motorola TIP 47 transistors for a greater margin of safety.

Good luck,

Tom Lear
San Francisco, Ca.
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Replies:
Subject Author Date
Re: One note plays and stays on when unit switched onNeil Palmer08:49:05 01/10/03 Fri

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