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" <[email protected]>
To: <[email protected]>
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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