Troubleshooting - Numark CDN88 Service Manual

Trouble Shooting
SYMPTOM
The power fails to switch on when the
POWER switch is set to on
Disc play does not start
Not Sound
Sound skips
Programmed disc play will not function
Hum

TROUBLESHOOTING

POSSIBLE CAUSE
Poor power plug connection at the AC
outlet
The disc loaded upside down
The disc is too dirty
Improper output cable connections
Improper amplifier operation
The CD player is subject to vibrations or
physical shock
The disc is too dirty
The CD player is in normal disk play
mode
Loose cable connections
45
CORRECTIVE ACTIN
Insert the power plug firmly into the AC
outlet
Reload the disc with the label with the
label side up
Clean the disc
Connect the output cables correctly
Check the disc
Change the installation location
Clean the disc
Hold down the program button for 3
seconds then program the tracks
Firmly connect all audio plugs