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Denon PMA-725R - UNIT CONTROLS AND OPERATION; Panel Controls and Functions

Denon PMA-725R
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DESIGNATIONS
AND
FUNCTIONS
OF
PANEL
CONTROLS
0
NN}
POWER
(Power
Switch)
When
the
power
switch
is
turned
ON
(
-=
),
the
MUTE/STAND-
BY
LED
@
lights.
When
the
power
switch
is
turned
ON,
power
is
supplied
to
the
unit.
It
takes
a
few
seconds
after
the
power
is
turned
on
for
the
unit
to
warm
up.
This
is
due
to
the
built-in
muting
circuit
that
eliminates
noise
during
the
on/off
operation.
-
PHONES
(Headphone
Jack)
This
jack
is
used
to
plug
in
the
headphones.
SPEAKERS
(Speaker
Selection
Switch)
The
PMA-925R/725R
can
be
connected
to
two
speaker
sys-
tems:
speaker
system
A
and
speaker
system
B.
When
A
is
pressed,
the
speaker
system
connected
to
speaker
output
terminals
A
operates,
When
B
is
pressed,
the
speaker
system
connected
to
speaker
output
terminais
B
operates.
When
A
and
B
are
pressed
on
together,
bath
speaker
systems
operate
simultaneously,
When
the
A
and
B
switches
are
both
off
tin
the
out
position},
there
is
no
output
from
the
speaker
termi-
nals.
This
setting
is
used
to
listen
to
playback
through
the
head-
phones.
LOUDNESS
(Loudness
Switch)
When
the
volume
is
low,
itis
difficult
for
the
human
ear
to
clearly
distinguish
notes
in
the
low
and
high
frequency
ranges.
The
loud-
ness
switch
allows
a
simple
“one-touch”
correction
of
this
diffi-
culty.
Press
the
loudness
switch
ON
(
-«.
)
when
listening
to
mu-
sit
at
a
low
volume.
The
low
notes
and
high
notes
will
be
corrected
to
produce
a
natural
sound.
BALANCE
(Balance
Control)
This
knob
is
used
to
adjust
the
balance
between
the
left
and
right
channels.
When
it
is
set
to
the
center
position,
the
amplitude
of
the
amplifier
is
equal
on
both
sides.
It
there
is
a
difference
in
the
feft
and
right
channel
output
voltages
for
a
cartridge,
move
the
knob
to
the
left
and
the
right
to
adjustit.
If
the
volume
on
the
right
side
is
too
low,
turn
the
knob
to
the
right
(
“¥
).
If
the
volume
on
the
left
side
is
too
low,
turn
the
knob
to
the
left
(
#
).
This
wilt
achieve
an
even
balance
on
the
left
and
right
sides.
VOLUME
(Volume
Control)
This
knob
controls
the
overall
volume
level.
Turn
the
knob
to
the
night
(
“¥
}
to
raise
the
volume
and
to
the
lett
(#7
)
to
lower
it.
BASS
(Bass
Control)
This
knob
is
used
to
control
the
bass
quality
of
the
sound.
\When
the
knob
is
set
at
the
center
position,
the
frequency
char-
acteristics
are
flattened
in
the
range
below
1000
Hz.
The
bass
is
emphasized
as
the
knob
is
moved
off
center
to
the
right
(
WwW,
and
reduced
as
it
1s
moved
to
the
left
(#
)
When
volume
contro!
@
is
set
to
the
right
of
the
center
position,
the
effect
of
the
other
controls
1s
reduced:
TREBLE
(Treble
Control}
This
knob
ts
used
to
control
the
treble
quality
of
the
sound
When
the
knob
is
set
at
the
center
position,
the
frequency
char-
acteristics
are
flattened
in
the
range
above
1000
Hz.
The
treble
is
emphasized
as
the
knob
is
moved
off
center
to
the
right
(
¥
},
and
reduced
as
it
is
moved
to
the
teft
(¥
}
When
volume
control
@
is
set
to
the
right
of
the
center
position,
the
effect
of
the
other
controis
is
reduced
SOURCE
DIRECT
(Source
Direct
Switch)
The
controls
(BALANCE,
LOUONESS,
and
TONE)
can
be
used
when
this
switch
is
in
the
OFF
(IL
)
position.
When
set
to
the
ON
(=.
}
position,
the
above
controls
are
by-
passed
and
the
signals
are
input
directly
to
the
volume
control
cifcuit,
providing
high
quality
sound.
REC
OUT
SELECTOR
(Rec
Out
Select
Switch)
Use
this
switch
to
select
the
recording
component.
@
PHONO:
Used
to
recording
from
the
turntable.
e
CD:
Used
to
recording
from
the
CD
player.
@
TUNER:
Used
to
recording
from
the
tuner
@
AUX:
Used
to
recording
component
that
con-
nected
to
the
AUX
terminal.
®
DAT/TAPE-1
p>
2:
Used
to
recording
from
the
tape
deck
connected
to
the
OAT/TAPE-—1
jacks
@
DAT/TAPE-2
}
1:
Used
to
recording
from
the
tape
deck
connected
to
the
DAT/TAPE-2
jacks.
REMOTE
SENSOR
(Remote
Control
Sensor)
This
sensor
receives
the
infra-red
light
transmitted
from
the
wireless
remote
control
unit.
For
remote
control,
point
the
wireless
remote
control
unit
to-
wards
the
sensor.
MUTE
/
STANDBY
LED
This
LEO
flashes
while
the
muting
circuit
is
activated
when
the
power
is
turned
on
and
when
muting
is
turned
on
from
the
re-
mote
control
unit,
and
remains
sit
(without
flashing)
whiie
the
power
is
on.
INPUT
SELECTOR
(Input
Select
Switch)
Use
these
to
select
the
program
source.
When
the
button
for
the
desired
program
source
is
selected,
its
LED
lights.
One
program
source
only
can
be
selected
at
a
time,
as
follows:
@
PHONO:
Used
to
select
the
output
from
a
turstable
that
is
connected
to
the
PHONO
terminal.
Use
the
PHONO
switch
@
(Rear
Panel
Side)
to
switch
the
sensitivity
to
corraspond
to
the
cartridge
type
being
used.
e
co:
Used
to
listen
a
compact
disc
player
or
other
component
that
is
connected
to
the
CD
ter-
minal.
@
TUNER:
Used
to
play
a
component
such
as
an
FM/AM
tuner
or
a
TV
tuner
that
is
connected
to
the
TUNER
terminal
@
AUX:
Used
to
play
a
component
such
as
a
Hi
F:
vid-
0
piayer,
TV
tuner,
8-track
tape
player
or
tape
deck
that
is
connected
to
the
AUX
termi.
nal.
@
DAT/TAPE-1:
Use
this
Position
when
using
the
tape
deck,
etc.,
connected
to
the
DAT/TAPE-1
jacks.
@
DAT/TAPE-2:
Use
this
Position
when
using
the
tape
aeck,
etc.,
connected
to
the
DAT/TAPE-2
jacks.
®
PHONO
(Cartridge
Selection
Switch):
Rear
Panel
Side
This
switch
is
set
according
to
the
type
of
player
cartridge
to
be
used,
@
MC
(-®
|;
Used
when
an
MC
{moving-coil)
cartridge
with
an
output
of
jess
than
0.5
mV
is
used
@
=MM
{=
):
Used
when
an
MM
(moving-magnet)
cartridge
with
an
output
of
2
mV
or
more
is
used.
®
AC
OUTLETS:
Rear
Panel!
Side
@
For
U.S.A.,
Canada,
and
Taiwan
R.O.C.
madels.
AC
outlets
ara
used
for
connecting
amplifier
component
units,
such
as
tuner,
turntable,
tape
deck,
etc.
e@
SWITCHED
(Total
capacity:
120
WI:
These
outlets
are
turned
ON/OFF
when
main
power
switch
and
POWER
button
on
the
Remote
Control
Unit
is
turned
on/off
@
UNSWITCHED
(Capacity:
240
W)
This
outlet
is
always
ON
whether
power
switch
is
on
or
OFF
e@
For
Europe
(except
the
U.K.),
Asia
and
Hong
Kong
mod-
els.
AC
outlets
are
used
for
connecting
amplifier
component
units,
Such
as
tuner,
turntable,
tape
deck,
ete.
@
SWITCHED
{Total
capacity:
100
W):
These
outlets
are
turned
ON/OFF
when
main
power
switch
and
POWER
button
on
the
Remote
Control
Unit
is
turned
on/off.
®@
UNSWITCHED
(Capacity:
100
WI
This
outlet
is
always
ON
whether
power
switch
is
on
or
OFF
OPERATION
PREPARATION
1.
CHECKING
CONNECTIONS
®
Make
sure
that
all
the
connections
are
proper
by
referring
to
the
back
panel.
(Fig.
2,
3)
@
Check
the
polarity
(positive
and
negative)
of
connections,
and
the
directivity
of
stereo
separation
(right
cord
to
right
channel
ter-
minat,
and
left
cord
to
left
channel
terminal).
@
Check
the
directivity
of
pin
cord
connection.
2.
SETTING
OF
EACH
KNOB
@
Turn
the
volume
control
knob
counterclockwise,
to
"0"
@
Set
the
rotary
knob
to
“flat”.
@
Set
SOURCE
DIRECT
and
LOUDNESS
to
“OFF
{
-@.}".
Atter
checking
the
above
items,
turn
on
the
power,
the
amplifie:
is
set
in
the
ready
mode
in
a
few
seconds.
PLAYING
A
RECORD
1.
Set
the
INPUT
SELECTOR
switch
to
“PHONO”.
2.
Operate
the
turntable
and
play
the
record.
3.
Turn
the
volume
and
tone
controls
to
yield
an
appropriate
volume
and
sound
quality.
PLAYBACK
OF CD
PLAYER
1.
Set
the
(NPUT
SELECTOR
switch
to
“CD”.
2.
Operate
the
CD
player.
3.
Turn
the
volume
and
tone
controls
to
yield
an
appropriate
volume
and
sound
quality.
RECEPTION
OF
RADIO
PROGRAMS
1.
Set
the
INPUT
SELECTOR
switch
to
“TUNER”.
2.
Operate
the
tuner
to
receive
a
radio
program.
3.
Turn
the
volume
and
tone
controls
to
yield
an
appropriate
volume
and
sound
quality.
CONNECTIONS
OF
AUDIO
EQUIPMENT
TO
AUX
TERMINALS
1,
Set
the
INPUT
SELECTOR
switch
to
“AUX”
Position,
2.
Operate
the
Audio
equipment
Systems.
3.
Turn
the
volume
and
tone
controls
to
yield
an
appropriate
volume
and
sound
quahty.
PLAYBACK
WITH
TAPE
DECK
1.
Set
the
INPUT
SELECTOR
switch
to
“DAT/TAPE-1"
or
“DAT/TAPE-2",
2.
Operate
the
Tape
Deck.
3.
Turn
the
volume
and
tone
controis
to
yield
an
appropriate
volume.
and
sound
quality.
RECORDING
WITH
TAPE
DECK
1.
Setthe
REC
OUT
SELECTOR
to
the
program
source
you
wish
to
re-
cord.
2.
Start
the
playback
of
the
program
source.
3.
Start
recording
with
the
component
connected
to
“DAT/TAPE-1"
or
“DAT/TAPE-2".
@
in
the
PMA-925R/725R,
the
REC
OUT
signal
and
the
speaker
(headphone)
signal
are
output
via
separate
circuits
so
that
knobs
and
switches
retated
to
the
tone
and
volume
have
no
effect
whatsoever
on
the
sound
that
is
recorded.
Also,
since
the
recording
function
is
selected
by
the
REC
OUT
SELECTOR,
the
free
program
source
can
be
played
through
the
speakers
(or
headphones)
even
during
re-
cording.
®
MONITORING
THE
RECORDING
A
recording
in
progress
can
be
monitored
if
a
tape
deck
with
three
individual
heads
for
recording
and
playback
is
used.
A
tape
deck
in
which
a
common
head
is
used
for
both
recording
and
playback
can-
not
be
used
to
monitor
recording.
When
a
recording
is
being
made
using
DAT/TAPE-1,
selecting
DAT/TAPE-1
with
the
INPUT
SELEC-
TOR
will
engage
tha
RECORDING
MONITOR
and
pemit
a
check
of
the
recording
condition,
CAUTION
Protective
Circuit
This
satis
equipped
with
a
high
speed
protective
circuit.
This
cir-
cuit
protects
the
internal
circuitry
from
damage
due
to
large
cur-
rents
flowing
when
the
speaker
jacks
are
not
completely
con-
nected
or
when
an
output
is
generated
by
a
short
circuit.
This
protective
circuit's
operation
cuts
off
the
output
to
the
speak-
ers.
In
such
a
case,
be
sure
to
turn
the
power
to
the
set
off
and
check
the
connections
to
the
speakers.
Then
turn
the
power
on
again.
After
muting
for
several
seconds,
the
set
will
operate
nor-
mally.
NOTE
@
This
amplifier
has
a
full
memory
back-up
system.
When
the
power
is
turned
on,
INPUT
SELECTOR
@
are
set
to
the
last
mode
set
be-
fore
the
power
was
turned
off
14
eh
Nid
ra
ae
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