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QSI Magnum decoder/sound board P'n'P in Aristrocraft U25 and Dash 9 DCC ready.
I'm experiencing some scratchy distortion type noise when I fire the air horns; the problem is present at various volume levels, albiet less notable or non existent at lower sound settings. I tried multiple speakers and or speaker systems, a different engine and swapped out the Magnum boards too, same, same, same noise….
I spoke to Tony and he suggested I try a hard CPU reset, the manual refers to a “RESET” function and a removable jumper to accomplish this task. The only jumper I can locate is soldered in place under some capacitors; can anyone confirm this is the “jumper”?
Maybe a venture onto my digital O-Scope would reveal the problem? I considered the speaker load might be the culprit, but then again I tried multiple single and multi-speaker set-ups some from QSI and others too.
Regards,
Michael
I'm experiencing some scratchy distortion type noise when I fire the air horns; the problem is present at various volume levels, albiet less notable or non existent at lower sound settings. I tried multiple speakers and or speaker systems, a different engine and swapped out the Magnum boards too, same, same, same noise….
I spoke to Tony and he suggested I try a hard CPU reset, the manual refers to a “RESET” function and a removable jumper to accomplish this task. The only jumper I can locate is soldered in place under some capacitors; can anyone confirm this is the “jumper”?
Maybe a venture onto my digital O-Scope would reveal the problem? I considered the speaker load might be the culprit, but then again I tried multiple single and multi-speaker set-ups some from QSI and others too.
Regards,
Michael