RIT encoder has become flaky

[Bill VanAlstyne W5WVO]

As an example -- while slowly turning the RIT knob, the frequency display will go through:

.82
.83
.84
.85
.84*
.85*
.84*
.84*
.83*
.84*
.85*
.86
.87
....etc.

The erroneous readouts are starred.

This is repeatable, though not necessarily with the same numbers. This would seem to be an encoder problem. Has anyone else experienced this?

Bill W5WVO
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[Bill VanAlstyne W5WVO]

Further clarification: Happens on both RIT and XIT. Not related to a specific
frequency or band. Happens going in both directions. Sorry I omitted these
details. All of this points to a hardware problem (shaft encoder), but if anyone
else has had this issue and fixed it by some other means, please let me know.
Thanks.

Bill W5WVO


SidShusterman wrote:

> Bill, which model radio do you have? Does the XIT behave the same
> way? I know the RIT/XIT should be the same for all bands. Does it
> happen both + and - ? Does it happen at 0.85, 1.85 an 2.85?  This
> might make it easier to diagnose. I have had my K3 since January of
> this year and I don't see this.
> Good Luck,
> Sid
>
> Bill W5WVO wrote:
>> As an example -- while slowly turning the RIT knob, the frequency
>> display will go through: .82
>> .83
>> .84
>> .85
>> .84*
>> .85*
>> .84*
>> .84*
>> .83*
>> .84*
>> .85*
>> .86
>> .87
>> ....etc.
>>
>> The erroneous readouts are starred.
>>
>> This is repeatable, though not necessarily with the same numbers.
>> This would seem to be an encoder problem. Has anyone else
>> experienced this?  Bill W5WVO
>> ______________________________________________________________
>> Elecraft mailing list
>> Home: http://mailman.qth.net/mailman/listinfo/elecraft
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>>
>> This list hosted by: http://www.qsl.net
>> Please help support this email list: http://www.qsl.net/donate.html 

... [show rest of quote]

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[Frank R. Oppedijk]

I notice this too, although only about once per 20 'ticks'

Frank PA4N


At 21:51 17/05/2009, Bill W5WVO wrote:
>Further clarification: Happens on both RIT and XIT. Not related to a specific
>frequency or band. Happens going in both directions. Sorry I omitted these
>details. All of this points to a hardware problem (shaft encoder),
>but if anyone
>else has had this issue and fixed it by some other means, please let me know.
>Thanks.

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