[ICOM] HM-133 -- junko microphone?

[Mike]

Steve Lewis wrote:
> I'm having issues with my HM-133 mic (default mic for the IC-2720).
> It's NOT the radio, my HM-90A and bare bones HM-95 work fine!
>
> Basically, I have to squeeze the mic in a death grip to acquire "PTT".
> There's an audible "click" without doing that, but I guess the switch is
> not fully "depressed"...
>
> I've taken the mic apart, there's no obvious mechanical flaw -- and
> using a small blunt object I can "force" the switch far enough to create
> "PTT".  The switch is NOT becoming desoldered from the PC board, or
> anything like that.
>
> Has anyone else had this issue?
>
> Anyway -- seems like I have to replace the mic, probably with another
> model.  Any suggestions?
>
> -73- de N8TFD/Steve
I had a mic like that, and was able to fashion a shim (a slice of pink 
eraser) to put between the mic button and the switch.
Mike NF4L