Denon DRA-425R User Manual

ENGLISH
TROUBLESHOOTING
10
1.
2.
3.
Have all connections been made properly?
Have you followed all operational instructions correctly?
Check speaker and the turntable systems for proper operation.
When your unit does not seem to be operating correctly, first check the items in the following table. If the symptom does not cirrespond to
any of the problems as shown below, turn off the power sources immediately and contact your DENON dealer.
Problem
FM AND AM RECEPTION
Radio program can not be received.
dle
Cause
Remedy
Antenna connection is wrong.
A signal strength is weak.
Noise is reproduced.
The preset frequencies are erased.
Check the connection.
Check the antenna installation.
A signal strength is weak.
Automobile ignition noise interferes
with reception.
e Other electrical equipment interferes
with reception.
The memory back-up term (about 1
month) passed.
In automatic tuning, the frequency
doesn't stop at the radio station.
in automatic tuning, it stops at the one
step lower or higher frequency than the
radio station.
Install an outdoor antenna.
Keep the antenna away tom the
street.
Keep the equipment away tam this
set, or turn off the power of he other
equipment.
Preset again.
A signal strength is weak.
Noise or strong signal strength is
received.
Use manual tuning
Use manual tuning for optinum re-
ception.
PLAYBACK OF THE AUDIO EQUIPMENTS
No sound is produced with power on. e Input and speaker cords connection | e Check the connection.
are wrong.
Speaker switch is off. Turn on speaker switch.
The INPUT SELECTOR buttons are in Check these position.
wrong position.
e The protective circuit is operating. e Turn the power off once, deck the
connections to the speakers, tren turn
the power on again.
e The fuse has blown out. e Ask your dealer, or the nearest
DENON representative.
~—|
Audible hum when playing records. e The input and grounding cords con- | e Check the connection.
nection of the turntable are wrong.
e The cords connection of the cartridge | e Check the connection.
are wrong.
e The interference from the nearby TV | e Ask your dealer, or the nearest
or radio transmission antenna. DENON respresentative.
T
Howling is produced when the volume | @ The vibrations and sounds transmit | e Insulate the vibrations, or leep the
control is turned up too high while play- from the speakers to the turntable. speakers away from the tuntable.
ing records.
Cracking noise is produced when playing | e The record is stained with the dust. | e Clean the record.
records.
e The stylus tip of the cartridge is | e Clean the stylus tip.
stained with the dust.
e The cartridge is defective.
Try the other cartridge.

Denon DRA-425R Specifications

General

Brand	Denon
Model	DRA-425R
Category	Stereo Receiver
Language	English