Reference Class

28
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