Appendix a - troubleshooting – Abbingdon Music Research CD-77 Reference Class User Manual

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Appendix A - Troubleshooting

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 operation of Amplifier

• ensure input selector on the amplifier is set
to CD-77

Remote control

• batteries in remote handset

• replace batteries

does not work

have expired

• object obscuring remote sensor

• remove any objects directly in front of the CD-77

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