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Appendix B - Troubleshooting
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 PH-77 correctly
• incorrect amplifier operation
• make sure that the input selector on the Amplifier is set
to the desired source
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 PH-77
the PH-77, no “line of sight”
A “humming” sound
• loose cable connections
• re-attach the loose cables correctly
can be heard
Button does not react
• skin resistance too high
• place your fingertip across the gap between button and
front panel
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
