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Author Topic: DE Secret Service "Humm"  (Read 1781 times)

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FrizzleFried

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DE Secret Service "Humm"
« on: April 13, 2009, 03:16:15 pm »
My DE Secret Service has a distinct HUMM coming from the speakers... common?  Anyplace to look to rectify the situation?
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pinballwizard79

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Re: DE Secret Service "Humm"
« Reply #1 on: April 13, 2009, 06:00:18 pm »
Thats normal from a DE machine.

Some are louder than others, have a few shots & you wont notice it  8)
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FrizzleFried

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Re: DE Secret Service "Humm"
« Reply #2 on: April 13, 2009, 07:48:47 pm »
Now that I know it's normal I'll have no problem ignoring it.  I am married after all...  :cheers:
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StephenH

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Re: DE Secret Service "Humm"
« Reply #3 on: April 14, 2009, 12:47:40 am »
Here is some info on this problem:  http://www.pinrepair.com/de/index3.htm#sound

I would check your ground connections.   If this doesn't work, I would try recapping your sound board amplifier capacitors.
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