[Hammarlund] HQ 170 alignment

[Cecil Acuff]

A little more has come back to me...it had to do with the bandwidth setting 
that was specified in the text being different than the info on the 
schematic notes.

Cecil..
----- Original Message ----- 
From: "Cecil Acuff" <chacuff at cableone.net>
To: "lou de beer" <lou.de.beer at general-net.com>; 
<hammarlund at mailman.qth.net>
Sent: Friday, December 10, 2004 12:47 PM
Subject: Re: [Hammarlund] HQ 170 alignment


> Lou,
>
>        I remember a posting a couple of years back about a problem with 
> the published procedure for the 60 kc alignment.  I don't remember the 
> specifics but do remember there is a problem.  Seems there was some fine 
> print or info in a block on the schematic that contradicted the written 
> process but was correct.  I would search the archives.  I'll give it a try 
> if I find some time this evening.
>
> But a partial answer to your question is that the procedure as written in 
> the manual is flawed.
>
> Cecil Acuff
> ----- Original Message ----- 
> From: "lou de beer" <lou.de.beer at general-net.com>
> To: <hammarlund at mailman.qth.net>
> Sent: Friday, December 10, 2004 12:04 PM
> Subject: [Hammarlund] HQ 170 alignment
>
>
> I have a HQ 170 that iam trying to align..The procedure in the manual 
> doesn't seem to work For example for the 60khz IF alignment the procedure 
> calls for connecting the VTVM to pin 7 of V13..The schematic shows this to 
> be the grid of the BFO..Even with the VTVM connected to pin 2(correct pin 
> i believe).The VTVM shows 0.0 voltage with the sig gen output of 
> 60khz....The AVC is off as per instructions..Has anyone aligned the 
> receiver?
>
> Lou..
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