[Hammarlund] HQ-150 Question

Richard Knoppow dickburk at ix.netcom.com
Thu Aug 1 19:27:57 EDT 2024


    That's what I was asking in my post. Bad solder joint or no solder, 
a bad mica cap, cracked resistor. Attention has been concentrated on the 
tuning cap, may be misleading. Poking around elsewhere might find the 
answer.

On 7/31/2024 1:49 PM, Ken wrote:
> I am wondering if your "snapping and popping" MIGHT be coming from the 
> opposite of a short: i.e. continuity is being broken when it should be 
> there.
> 
> For instance that a connection to ground is periodically being opened by 
> a high resistance connection appearing, or a zero ohms connection 
> failing due to, perhaps, too much lubricant existing where there should 
> be none.
> 
> Or perhaps a series cap somewhere in the circuit is bad. Like "silver 
> mica" disease?
> 
> Some of these would be hard to catch.
> 
> Ken W7EKB
> 


-- 
Richard Knoppow
Los Angeles
WB6KBL
SKCC 19998


More information about the Hammarlund mailing list