[Elecraft] K1 Issues with RIT and ATTN LED's not functioning

[Paul Kirley]

W1SFR sed:
I recently purchased a K1 and found that the LED's for the RIT and ATTN 
don't function correctly. When I turn on the rig the LED's cycle 
correctly then go out. When I push either of the buttons and turn the 
RIT or ATTN on, neither of the lights come on.


Since you recently bought the K1, you may not be aware that there is a 
menu setting for this.  Check the LED setting and verify that it is ON.  
It's on page 52 of my 2001 owner's manual.


73, Paul W8TM
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Re: [Elecraft] K1 Issues with RIT and ATTN LED's not functioning

[Don Wilhelm]

Steve,

Those LEDs are activated by 2 pins on the MCU, but the actual activation 
of ATTN and RIT/XIT is done via the AUXBUS signalling.
Unless you know that they worked shortly before you bought it, I would 
suggest that it may have been unused for some time.


On the chance that the problem is caused by oxidation on the pins of the 
MCU/socket, I suggest that you remove and reseat the MCU IC.  It is on 
the Front Panel board, and is the only socketed IC in the K1.


73,
Don W3FPR

On 4/6/2020 7:10 PM, Stephen Roberts wrote:

I recently purchased a K1 and found that the LED's for the RIT and ATTN don't 
function correctly. When I turn on the rig the LED's cycle correctly then go 
out. When I push either of the buttons and turn the RIT or ATTN on, neither of 
the lights come on.


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[Elecraft] K1 Issues with RIT and ATTN LED's not functioning

[Stephen Roberts]

I recently purchased a K1 and found that the LED's for the RIT and ATTN don't 
function correctly. When I turn on the rig the LED's cycle correctly then go 
out. When I push either of the buttons and turn the RIT or ATTN on, neither of 
the lights come on. 

73,
Steve, W1SFR
w1sfr.com 



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