You need one Bourns 1k pot 3296W-1-102LF for the
10 volt adjustment, and 5 Bourns 10k pots
3296W-1-103LF for the passband frequency adjustments.
They are $2.19 each at Newark. You also have to
move the resistors in between the original pots to the backside of the board.
Here is a link to a website that has very good pictures of this.
http://members.ziggo.nl/cmulder/drake.htm#bookmark5
73, Joe Pyles KC9LAD
At 06:54 PM 1/31/2010, you wrote:
Good Afternoon,
My TR-7's PBT pots have finally reached the
point of failing to maintain the correct
frequency for both U/Lsb. I am going to replace all 5 pots when I
pull the board and was wondering if anyone has
had much luck finding higher quality
replacements? I am considering 15-20 turn types if they will fit
into the same space as the originals. I'd
rather not have to modify the board too much,
but would like to hear from anyone who might have tried this.
I've looked at Mouser and found some that are
close, but figured I'd try this resource first.
Thanks.
Robb NØRU
Woodland Park, CO.
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