Abbingdon Music Research CD-77 owner manual Figure A.1 Troubleshooting Guide

Appendix - Troubleshooting & Maintanence

Figure A.1 Troubleshooting Guide
Symptom	Possible cause	Solution
‘Disc Error’ or	• dirty or heavily scratched CD disc	• clean the CD disc
‘No Disc’ is shown	• wrong disc type	• replace with a proper CD disc
Disc spinning	• dirty or heavily scratched CD disc	• clean the CD disc
erratically	• CD puck improperly attached	• replace CD puck properly
No power when the	• poor or no power plug connection	• insert the power plug firmly into the AC
power button is set	at power point
to ON	• blown fuse at mains plug	• change mains plug fuse
No sound	• incorrect audio cable connections	• ensure the CD-77 is correctly connected
	• incorrect CD-77 operation	• ensure input selector on the amplifier is set
		to desired source for the CD-77
Remote control	• batteries in remote control handset	• replace batteries
does not work	have expired
	• object obscuring remote sensor	• remove any objects directly in front of the CD-77
	on the CD-77, no “line of sight”
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

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