Abbingdon Music Research PH-77 Reference Class - Manual (Page 28)

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Appendix C - 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
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
If in doubt, please
consult your AMR
distributor/dealer
Abbingdon Music Research is a subsidiary of the Abbingdon Global Group
22 Notting Hill Gate; London; W11 3JE; United Kingdom;
Tel: +44 (0) 870 420 5505; Fax: +44 (0) 700 596 1065
www.amr-audio.co.uk