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Re: [CQ-Contest] Bayonet type bulbs-Ham M Control Box

To: "CQ Contest" <cq-contest@contesting.com>
Subject: Re: [CQ-Contest] Bayonet type bulbs-Ham M Control Box
From: "Carol Richards" <n2mm@comcast.net>
Date: Fri, 24 Aug 2007 18:18:10 -0400
List-post: <mailto:cq-contest@contesting.com>



  First of all, let me thank the numerous replies to my request. As it turned 
out, Radio shack had them locally. Unfortunately, I goofed. They are neither 
#47 nor #44 bulbs as I thought. They are both 6.3v types. After the first 
replace went in and blew immediately, (dummy me), I looked at the circuit and 
saw that it was in parallel with the secondary of the meter transformer, before 
any rectifiers. Thus the type of bulb I need is for AC and I would suspect 
18vac. There is a 13v zener that is used afterwards.

  Of course, both the manual and the parts list for the ham-m don't give any 
clue as to the type of transformer or the number of the bulb.


  Any help out there?


  Carol
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