B&K 650 tube tester not working, need help - diyAudio
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Old 10th April 2004, 07:52 PM   #1
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Join Date: Apr 2004
Location: Sweet Home, Oregon, USA
Default B&K 650 tube tester not working, need help

I have a beautiful B&K 650 that has quit working when in test switch #1 position! But it will work when in test switch 2 & 3 position with a two or three section tube. I do not find any loose wires on the switch or anything abnormal. I also cannot find a schematic anywhere. Can someone help, please?

Thanks,
John
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Old 12th April 2004, 12:56 AM   #2
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Location: Belgium
Hi,

Nothing on the 650 but maybe the 500, 700 or Boeing 747 will help.

LOOK UNDER PRUFGERATE

Cheers,
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Frank
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