[Milsurplus] TCS 9

W7QHO at aol.com W7QHO at aol.com
Mon Jul 25 02:47:59 EDT 2005


In a message dated 7/24/05 9:19:36 PM, k4elv at bellsouth.net writes:


> The problem is when I try to key on CW the K102 relay switching the B+ arcs 
> like a neon sign when the key is released.
> 

Mike,

Check the arc suppression network components C120A, C120B and R120.   Also, 
check to make sure the modulation power relay, K101, is shorting out the 
secondary of the modulation transformer when released as should be the case when in 
the CW mode.

Dennis D. W7QHO
Glendale, CA


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