On Sat, 27 Aug 2005 23:18:37 +0000, Pete KE9OA wrote about
his ICOM IC-R7100:


Apparently, the reference crystal has drifted down in frequency over
the years.

I have serviced multiple IC-R7000s, IC-R7100As, and other ICOM radios
(e.g., IC-275H) with the same problem. The reference oscillator crystals
in those radios aged after use and shifted frequency. In some cases,
like yours, they go too far off frequency and must be replaced. Check
with ICOM USA for a replacement crystal.

Too bad ICOM didn't burn in the crystals *before* final factory
alignment.

I've not had this problem with the IC-R8500.

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Bob Parnass, AJ9S GNU/Linux User http://parnass.com