Re-[R-390] Low sensitivity on 7-8 Mhz band

[Steve Hobensack]

  There is a shaft that runs from the clockwork into the rf deck. The shaft 
turns and switches in the correct coils in the rf amplifier (6dc6) circuit. 
Look to see that the shaft turns with the drive gear as you turn the band 
switch. If you see the drive gear turn and the shaft not turn, you have a 
loose gear clamp and the wrong rf coils will be selected.
..73..Steve..N8YE

Message: 1
Date: Sun, 16 Apr 2006 10:01:01 +0200
From: "Massimo Penna" <massimo.penna3 at tin.it>
Subject: [R-390] Low sensitivity on 7-8 Mhz band
To: <r-390 at mailman.qth.net>
Message-ID: <004c01c6612b$e78b9390$6601a8c0 at elena>
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Hello everobody,

I have a Stewart-Warner R-390A receiver. I aligned it but a low
sensitivity
remain only on 7-8 Mhz band. What is the problem?
Thank you and regards.

Massimo