HW-101 VFO Problem

[Bob Okas]

Hi Carl & Group,

    Others have offered very good suggestions, and I'll throw in
another one. I repaired an HW-101 that had a similarly jumpy VFO. I'm
working from memory, but there is a compression trimmer which is
accessible from the top of the VFO. This serves as an adjustment for
USB/LSB shift. I traced the problem to this cap, which was dusty. A
puff of air and moving the adjustment screw back and forth corrected
the problem. You will need to reset the offset after this.

Good Luck!
Bob - W3CD


On Sun, 13 Jan 2002, Carl C. Miller Jr wrote:

> Hello All,
>
> My HW-101 has a VFO problem. After it has been on for about 30 minutes to
> an hour it begins to "jump" frequencies.

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