[Heathkit] HW-12 Power Connection

[Joe Crawford]

My HW-12A has the following on the back of the chassis: Pin 1 is -130 
vdc(BIAS);Pin 2 is ground, Pin 3 is +250 vdc;Pin 4 is +800 vdc;Pin 5 is 
ground for internal relay contact; Pin 6 is 12 volt filament;Pin 7 is 
filament common;Pin 8 is not connected; Pin 9 and pin 10 go to the on-off 
switch; and pin 11 is the normally open contact on the internal relay.
                                              Joe W4AAB
----- Original Message ----- 
From: "Dave" <w8qwdave at peoplepc.com>
To: <heathkit at mailman.qth.net>
Sent: Thursday, September 04, 2008 8:27 PM
Subject: [Heathkit] HW-12 Power Connection


> Can anyone give me the power connection line-up for an HW-12.  I have one 
> with an 8 pin connector on the rear apron and information for an 11 pin 
> model only.
>
> Thanks in advance.
>
>
> Dave, W8QW
>
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