Troubleshooting; Service Contact Preparations - C.E.C. HD53N Owner's Manual

Troubleshooting

Service Contact Preparation
14
If you suspect a malfunction of the unit, please check the following chart
before calling your dealer.
No power
•
Check the connection at the both ends of the AC power cord.
•
Make sure there is power at the wall outlet.
•
Check the power switch position.
No sound
•
Check the connection from the external source, e.g. CD player.
•
Check the operation of the external source, e.g. CD player.
•
Check the connection to the headphones or speakers.
•
Check whether the matching input is selected.
INPUT indicator continues blinking and the unit is not ready for use
•
Turn HD53N off and unplug the AC power cord from the outlet. Wait for a
minute, plug the AC power cord back in and turn HD53N on again. Check all
plugs on the front and rear panel are properly connected.
Humming noise
•
Check the pin plugs are connected adequately.
Distorted sound
•
Decrease the volume level.
•
Check that input signal does not exceed 2Vrms(RCA) and 4Vrms(XLR).
•
Check all plugs are connected adequately.
In case you need to contact the service center please prepare the following
information.
•
Model name and serial number
•
Purchase date
•
Dealer name and contact information
•
Description of the unit's problem