Hello Tom,
Yes, The TR-5 AF gain/on-off switch was the same as used in the TR-7. I just
double checked with John Kriner, who still repairs both units at home.
73, Bill
________________________________
From: Tom Holmes <[email protected]>
To: 'Charles Ring' <[email protected]>; 'Bill Frost' <[email protected]>
Cc: [email protected]
Sent: Wednesday, July 25, 2012 10:46 AM
Subject: RE: [Drakelist] T-4XB power switch
Does anyone know if the TR5 switch is common to the TR7 or other models? Mine
has been bad for a long time and I have just jumpered it to get by.
Tom Holmes, N8ZM
Tipp City, OH
EM79
From:[email protected] [mailto:[email protected]] On
Behalf Of Charles Ring
Sent: Wednesday, July 25, 2012 5:30 AM
To: Bill Frost
Cc: [email protected]
Subject: Re: [Drakelist] T-4XB power switch
Thanks, I will probably leave it turned on and switch it externally.
73 de W3NU
On 7/24/2012 0914, Bill Frost wrote:
Hello Charles,
>
>I suspect the small spring inside the on/off switch cap got hung up after
>sitting idle for awhile. I would not recommend a lubricant since it is
>switching power.
>
>Drake stocked the on/off switch cap part of the gain control and also the
>on/off switch cap for the R-4B. We replaced several of these in the service
>department. John Kriner has the R-4B switch caps in his store on ebay, he
>thinks the switches are the same. But, I'm not so sure, I know they had
>different part numbers, but I never tried using one for the other, as we
>always had both parts. If interested in getting a "spare" switch cap, contact
>John Kriner, The Man Electronics.
>
>73, Bill wd8dfp
>
>
>________________________________
>
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