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Appendix - Troubleshooting
Figure A.1 Troubleshooting Guide
Symptom Possible cause Solution
With power ON • poor/no power plug connection • insert the power plug firmly into the AC
no power is registered at mains power point
• blown fuse at mains plug • check and change mains plug fuse
No sound • incorrect audio cable connections • connect the sources to the AM-77 correctly
• incorrect amplifier operation • make sure that the input selector on the AM-77 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 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 AM-77
the AM-77, no ‘line of sight’
A ‘humming’ sound • loose cable connections • re-attach the loose cables correctly
can be heard
Front switches ‘jump’/ • static electricity • ‘Touch’ the chassis prior to pressing a sensor to dis
enter Standby charge. Then press the desired sensor
Other problems • go to the Contents section and re-trace the procedure
or contact your nearest AMR distributor/dealer