[Boatanchors] HQ129 Issue - Low audio with the BFO switched in
Geoff
geoffrey at jeremy.mv.com
Mon Jul 2 18:38:38 EDT 2012
Those are under the BFO shield below the chassis, it pulls off...with a bit
of effort usually.
Also check the resistors in there.
Carl
KM1H
----- Original Message -----
From: "Al Klase" <ark at ar88.net>
To: <boatanchors at mailman.qth.net>
Sent: Monday, July 02, 2012 4:52 PM
Subject: Re: [Boatanchors] HQ129 Issue - Low audio with the BFO switched in
> Bill,
>
> I'd be looking for a shorted bypass cap in the BFO circuit. I think
> they're C-41 and C-42. When you turn the BFO on it's probably loading
> the B+ to the 1st audio and last IF.
>
> Al
>
> On 7/2/2012 3:51 PM, n3wm wrote:
>> I'm working on a nice HQ129.... all is good except I have low audio with
>> the BFO switched in. The audio is way down from the AVC and Manual
>> positions. The sensitivity of the receiver is good and the S meter
>> circuit is working fine. I thought I would see if anyone had any input
>> before I start digging into it.
>>
>>
>> than
>>
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> --
> Al Klase - N3FRQ
> Jersey City, NJ
> http://www.skywaves.ar88.net/
>
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