Abbingdon Music Research AM-777 Owner's Manual - page 16
16
Appendix A - Troubleshooting
Symptom
Possible Cause
Solution
With power ON
• poor/no power plug connection
• insert the power plug firmly into the AC
no power is
at mains power point
registered
• blown fuse at mains plug
• check and change mains plug fuse
No sound
• incorrect audio cable connections
• connect the sources to the AM-777 correctly
• incorrect amplifier operation
• make sure that the input selector on the AM-
777 is set to
the desired source
Strange “blast” sound • check speaker connectors are not
• adjust fitting between speaker and chassis
connectors
in contact with the chassis
and terminal. Ensure no contact between
chassis and spade terminals (no “short
circuiting”)
Remote control does • remote control batteries have
• replace 2 x AAA batteries
not work
expired
• object obscuring remote sensor on
• remove any objects directly in front of the
the AM-777, no “line of sight”
AM-777
• Interference from fluorescent lights
• turn off fluorescent lights or redirect the light
away from the AM-777
A “humming” sound
• loose cable connections
• re-attach the loose cables correctly
can be heard
Other problems
• go to the Contents section and re-trace the
procedure or contact your nearest AMR
distributor/dealer