[Elecraft] Tuning indicator problem

[Glenn Maclean]

Hi Don,
Shorting pin 5 to 4 turns on the 10th LED. I guess my wiring to the front 
panel board is good.

Glenn WA7SPY
----- Original Message ----- 
From: "W3FPR - Don Wilhelm" <w3fpr at earthlink.net>
To: "Glenn Maclean" <wa7spy at comcast.net>; <elecraft at mailman.qth.net>
Sent: Monday, November 01, 2004 9:08 PM
Subject: Re: [Elecraft] Tuning indicator problem


> Glenn,
>
> As a quick check on your wiring for the LED indicator, short pin 5 of the 
> output connector to ground (pin 4) and you should see the LED turn on.  A 
> short at this point will not damage the IC - because it is an open 
> collector output.
>
> 73,
> Don W3FPR
>
> ----- Original Message ----- 
> From: "Glenn Maclean" <wa7spy at comcast.net>
> To: <elecraft at mailman.qth.net>
> Sent: Monday, November 01, 2004 9:40 PM
> Subject: [Elecraft] Tuning indicator problem
>
>
>> Hi Guys,
>> I put my tuning indicator kit together this weekend that Tom N0SS was 
>> selling. Tom you did an outstanding job packaging the kit. I soldered the 
>> SMD components on the board per the PDF file that Tom provided on his web 
>> site. My tuning indicator does not work. I have 5 volts on pins 1 and 8 
>> on the FSK chip. I have tripled cheked all the connections and the 
>> components on the circuit board. Every thing looks good with my high 
>> power magnifying glass. I am using 500 hz side tone. When I turn the trim 
>> pot on the SMD board clockwise or counter clockwis the 10th LED does not 
>> light up. I have turned it more than 5 turns both directions. I have the 
>> K2 tuned to the birdie at 4.0000 on the 80 meter band.
>>
>> Can anyone point me in the right direction for further trouble shooting?
>> Thanks,
>> Glenn WA7SPY
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>
>
>