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Messages - Tk6831

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#1
The Newcomer's Forum / Re: CRATE GFX-20 doesn't work, just makes humming noise when powered up
May 07, 2020, 01:56:15 PM
I did use a 9v battery to make sure the speaker was good and it is wirking fine. I will try your test when I get home.
#2
The Newcomer's Forum / Re: CRATE GFX-20 doesn't work, just makes humming noise when powered up
May 07, 2020, 11:13:36 AM
not affected at all by any of the controls. It isn't objectively loud. Not really a low electrical hum, probably a volume level of 4-5 I would say.
#3
The Newcomer's Forum / CRATE GFX-20 doesn't work, just makes humming noise when powered up
May 07, 2020, 10:51:39 AM
I have a CRATE GFX-20 that doesn't work, just makes humming noise when powered up. I have looked over the circuit boards and don't see any signs of bad components or bad connections.

Circuit board # 07-256-04

Any ideas where to start?
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