[Heathkit] SB220 power supply

[jeremy-ca]

The original design had an axial lead  ZD mounted on the board. When it 
proved to be under rated it was changed to a 10W stud mount on the RF cage 
side.

Carl
KM1H


----- Original Message ----- 
From: <w7ksg at juno.com>
To: <heathkit at mailman.qth.net>
Sent: Sunday, August 20, 2006 10:14 AM
Subject: [Heathkit] SB220 power supply


> Hello:  On the Heathkit SB-220  85-344-1 power supply board there is a
> zener diode marked ZD1.
> Would someone give me the ratings on this device?  Thanks
>
> J
> W7KSG
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