[Hammarlund] SP-600 Single Conversion issue

Les Locklear leslocklear at hotmail.com
Fri May 26 15:19:19 EDT 2017


Make sure the switch located on the rear of the rf deck is working, it might need cleaning, it is an exposed type switch. It usually has a problem going into double conversion, but might be stuck in the double conversion mode or have dirty contacts.

Les

----- Original Message -----
From: Steve Quinn via Hammarlund <hammarlund at mailman.qth.net>
Reply-To: Steve Quinn <squinn12345 at yahoo.com>
To: hammarlund at mailman.qth.net <hammarlund at mailman.qth.net>
Sent: 5/26/2017 1:53:25 PM
Subject: [Hammarlund] SP-600 Single Conversion issue
________________________________________________________________________________

THis wonderful rig works very well in the double conversion area but single conversion, below 7.4 is only dead air .......all caps replaced, bad resistors are gone and all tube check ok ................... someone mentioned low plate voltage, I just don't know ............ any info please
Steve Q

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