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[AMPS] 76a burning out band switch

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Subject: [AMPS] 76a burning out band switch
From: (Ron Hooper)
Date: Tue, 25 Feb 1997 00:37:31 +0000
>> I've been having trouble with the bandswitch on my Alpha 76A.  I keep
>> burning out the 28mhz contacts, rewiring by shifting the leads over by
>> one (the switch has extra contacts), running fine for a while, and
>> then having the same thing happen.  Well, of course I'm out of spare
>> contacts now and it's time to pay the piper.

1. Sounds like one of the typical problems associated with parasitic
problems in the amp. You might want to take a good look at the
suppressors on the plate caps. 
2. Dirty connection on band switch contacts.
3. Problems with design of switch to start with, doughtful.
Ron W4WA

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