[Henry] Henry 2KD

Tue, 11 Feb 2003 14:59:12 -0600

Troy:
Does this have the 3-500, 3cx1200A7 or 8877 final? Ron W2WU
> 
> From: "Wolford, Troy" <[email protected]>
> Date: 2003/02/11 Tue AM 10:34:21 CST
> To: "'[email protected]'" <[email protected]>
> Subject: [Henry] Questions on Henry 2KD
> 
>   I have a Henry 2KD (1986 vintage) that has been acting up for quite some
> time.
> I have a couple of questions  regarding how the amp is built/wired up versus
> what the schematic says.
> 
> 1.  In the output circuit immediately after the parasitic supressors and DC
> blocking caps , switch S1C manipulates contacts to add in shunt doorknob
> caps.
> Based on the schematic, parts location sheet and bill of materials, the
> switch should work as follows with respect to the bandswitch position:
> 
> 10M - 75pF shunt
> 15M - 75pF shunt
> 20M - 150pF shunt
> 40M - 225pF shunt
> 80M - 275pF shunt
> 
> Based on observing the component values, this is what that part of the amp
> actually implements:
> 
> 10M - 25pF shunt
> 15M - 25pF shunt
> 20M - 50pF shunt
> 40M - 125pF shunt
> 80M - 275pF shunt
> 
> The actual operating state makes more sense to me.  I guess my question is:
> Is my amp built right or is the documentation correct (i.e. my amp is
> wrong)?
> 
> Any help would be greatly appreciated.
> 
> 7 3
> Troy
> KC5KDM
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