When I've some time I'm going to mod one in such a manner just for
fun. So to re-cap, to the OP, then a faulty crystal could lead to
the observed effect ?

--
Diverse Devices, Southampton, England
electronic hints and repair briefs , schematics/manuals list on
http://home.graffiti.net/diverse:graffiti.net/



Yep, that's my feeling.

Arfa

Sometimes we also see simple bad solder connections at the crystals...

Mark Z.