Last year my Helios took a bit of a hard knock (fell off bench onto concrete floor). there was no cosmetic damage, however the radio will no longer work properly with crystal's anymore. I cant use the FM.... it just glitches like crazy, no matter what crystal set I put in it.
Strange thing is, it works absolutely perfect with spektrum module in it. It's not a problem for me, as I've switched to spektrum now, but it would be nice to know why I cant use FM at all anymore
perhaps something in the radio is broken..
James