Denon UDR-F10 User Manual

TROUBLESHOOTING
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The UPA-F10 is equipped with a high speed protector circuit.
This circuit protects interna! parts from being damaged by strong Currents generated in the set should the set be operated
when the speaker terminals are incompletely connected or short-circuited.
{f this protector circuit is activated, a relay sound is produced, the output to the speakers is interrupted, and the function and
power LEDs flash to indicate that there is a problem. {f this should happen, unpiug the power cord, check the speaker
connections,
then
piug
in
the
power
cord
and
turn
the
power
back
on.
After
several
seconds,
a
relay
sound
is
heard
and
the
set starts operating properly.
8c
Check the following once more before assuming there is a problem with the system.
1. Are connections proper?
2.1s the system being operated as explained in the operating instructions?
If the system Goes not seem to be operating properly, check as shown on the table below. f none of these checks apply to the
probiem, the system may be malfunctioning. Disconnect the power cord immediately and contact your store of purchase.
Symptom Cause Countermeasure
Power does not turn on when | @ Power cord is not plugged into a power
Power switch 1s pressed. outlet.
@ The set may not operate properly due to such external influences as lightning or static electricity. If this happens, either turn
off
the
power
with
the
pre-main
amplifier’s
SYSTEM
POWER
switch
or
unplug
the
power
cord,
wait
approximately
§
seconds, then plug the power cord back in.
@Piug the power cord securely into an
outiet
G)
m
2
m
a
>
-
”
m
a
e)
2
No sound is produced trom the
@ VOLUME control ts turned down © Set the contro! to an appropriate position.
speakers.
@ Headphones are connected. ®@ Disconnect the headphones.
®@ Speaker cords are not securely connected. @ Connect securely.
General
No treble sound is produced, | @ Speaker polarities (@ and @) are in- | © Connect the speaker cords properly.
or the position of the instru- verted.
ments is unclear.
A source other than the desired | © Function is not property set. @ Set the desired function using the FUNC-
one is heard TION button.
Recording does not start when | @ No cassette tape is loaded @ Load a cassette tape.
REC/REC MUTE button is } @ Accidental erasure protection tabs are | @ Cover the tab holes with cellophane tape.
pressed. broken off.
%_ | Sound is broken or no sound is | @ Heads are dirty. @ Clean the heads
3
Produced
during
recording
and
|
@
Cassette
tape
is
defective
@
Replace
the
cassette
tape.
@ | Playback.
3
Humming
sound
is
heard
while
|
@
Noise
from
a
TV
©
Move
the
TV
away
from
the
system.
8 playing cassette tapes. @ (Noise may be produced by some types of | @ Turn the TV off.
TVs.)
Wow (shaky sound) is heavy
during recording or playback.
© Capstans or pinch rollers are dirty. ® Clean them.
Hissing sound is heard in FM | @ Antenna direction is poor.
programs. @ Signais from the broadcast station are
weak.
@ Change the direction of the antenna
@ Instatt an outdoor antenna
5 | Hissing sound is heard in AM | @ Noise from a TV or interference from a | @ Turn the TV off.
2 Programs. broadcast station.
fd
e
©
Change
the
direction
of
the
loop
antenna.
e ® Install an outdoor antenna
{
Humming
sound
is
heard
in
|
@
Signals
on
the
power
cord
are
being
mod-
|
@
Insen
the
power
cord
in
the
Opposite
direc-
AM programs. ulated by the power source frequency. tron
° @ Install an outdoor antenna.
Total
number
of
tracks
not
dis-
|
@
Disc
is
loaded
upside-down.
@
Reload
the
disc
played
when
disc
is
loaded.
®@
Disc
is
dirty.
®@
Clean
the
disc.
@ Disc is not of the specified type. @ Replace with a disc of the specified type
Nothing happens when operat- @ Disc is loaded upside-down. @ Reload the disc.
ing buttons are pressed. @ Foreign object on disc tray. @ Remove the disc ang the foreign object.
Disc stops in the middie of a | @ Disc is dirty. @ Clean the disc
track
and
will
not
play
properly.
@
Disc
is
scratched.
@
Replace
with
an
unscratched
disc.
CD piayer
Sound is broken. © Dirt, fingerprints, spittle. etc. on disc. @ Clean the disc.
® Disc is scratched. ® Replace with an unscratched disc.
® Player is in an unstable place and vibrates | © Piace the piayer in @ stable place with no
strongly. vibrations.
Humming
sound
is
heard
when
|
@
Signals
on
the
power
cord
are
being
mod-
|
@
Insert
the
Power
cord
in
the
opposite
direc-
disc
is
played.
ulated
by
the
power
source
frequency.
non.
26

Denon UDR-F10 Specifications

General

Brand	Denon
Model	UDR-F10
Category	Stereo System
Language	English