Troubleshooting - Denon TU-235RD Operating Instructions Manual

ENGLISH

TROUBLESHOOTING

Check the following before assuming there is a problem with the set.
1. Are all connections proper ?
2. Is the set being operated as described in the operating instructions ?
3. Are the speakers and input components being operated properly ?
If the set does not seem to be operating properly, check the points listed below. If these points do not apply, the set may be damaged.
Turn off the power immediately and contact your store of purchase.
Symptom
Power does not turn on when ON/
STANDBY button is pressed.
Hissing noise is heard on FM broad-
casts.
Hissing or buzzing sound is heard on
AM broadcasts.
Booming sound (humming) is heard
in AM broadcasts.
12
Cause
•
Power cord's plug is not plugged in to wall
outlet.
• Antenna cable is not properly connected.
•
Antenna is not pointing in the right
direction.
•
Radio waves are weak.
• Noise from a TV or interference in the
signals sent from the broadcast station.
•
Signals transmitted over the power cord
are modulated by the power source
frequency.
Measures
•
Plug the power cord in properly.
• Connect the leads properly.
•
Point the antenna in the right direction.
•
Install an outdoor antenna.
•
Turn off the TV.
•
Change the position of the loop antenna.
• Install an outdoor antenna.
•
Insert the plug in the opposite direction.
• Install an outdoor antenna.
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