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From: "Dave Brown" <tractorb@ihug.co.nz>
To: <rsgb_lf_group@blacksheep.org>
References: <PAEFLMFGBDKKCONLMLBIGEGGCLAA.ganymede444@btopenworld.com>
Date: Fri, 20 Jul 2007 11:02:50 +1200
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Subject: LF: Re: SPM-3 - deaf?
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Dave
I have the service manual for the SPM-3 here in electronic form - BUT- 
I have not processed the scans etc yet so it's still rather large at 
about 140MB total for all files. It should be somewhat smaller when I 
get the pdf generated.
However- I need threats of physical violence to encourage me to get on 
with this - I started this project for Alan (G3NYK) at least two years 
back and its still not finished!!
And -with apologies to HAL- 'I'm sorry, Dave', my SPM3 is still 
working fine so never had to dig into it.
73
(yet another) Dave
ZL3FJ

----- Original Message ----- 
From: "Dave G3WCB" <ganymede444@btopenworld.com>
To: <rsgb_lf_group@blacksheep.org>
Sent: Friday, July 20, 2007 10:36 AM
Subject: LF: SPM-3 - deaf?


>
> Dear LFers,
>
> I have just acquired a Wandel & Golterman SPM-3, but it seems a bit 
> deaf.
> The wide-band setting works OK, but the "Selective" channel can't be
> calibrated, and is 15 dB low in gain. Looks like a popped front-end 
> or a
> damaged input circuit. I've opened up the case, but all the innards 
> are in
> screened metal boxes.
>
> Is this a common fault with this unit, and does anyone have 
> experience of
> this fault? (and managed to fix it!)
>
> 73, Dave G3WCB IO91RM
>
>
>
>
> -- 
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>