[Elecraft] loss of sidetone on K2-100

Joe-aa4nn aa4nn at earthlink.net
Wed Dec 5 16:11:00 EST 2007


John,
Have you tried the following?
Go into Primary Menu and select Set (tone) Level, ST L
Tap the display...your tone should come back.
73, Joe, aa4nn

----- Original Message ----- 
From: "John" <ljdoyle at suscom-maine.net>
To: <elecraft at mailman.qth.net>
Sent: Wednesday, December 05, 2007 12:55 PM
Subject: [Elecraft] loss of sidetone on K2-100


recently lost my sidetone on my K2 -100 and have replaced the following U10 
LMC660, Q5 2n7000,U8MAX534 and have ordered replacement caps for C33 and C32 
other than that the only alternative is to paint it ..have checked tthe 
output of U6 and theres the 2.5 volt but no voltage on the drain of q5 and 
no voltages on the other test points that are shown on the troubleshooting 
section...sure cud use some help with this problem..John K1GUN...
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