Sony XDP-U50D User manual
S
ONY.
3-756-842-22
(1)
Digital
Pre-Amplifier
|
XDP-U50D
Operating
Instructions
pc:
Before
operating
the
unit,
please
read
this
manual
thoroughly
.
and
retain
it
for
future
reference.
.
Owner’s
Record
The
model
and
serial
numbers
are
located
on
the
bottom
of
the
unit.
Record
the
serial
number
in
the
space
provide
below.
Refer
to
these
numbers
whenever
you
call
upon
your
Sony
dealer
regarding
this
product.
,
Model
No.
XDP-U50D
__
Serial
No.
3
'
.
Mode
d
em
ploi
page
22
Avant
la
mise
en
service
de
cet
appateil,
priére
de
lire
.
attentivement
ce
mode
d'emploi
que
l'on
conservera
pour
toute
référence
ultérieure.
@
1993
bv
Sonw
Carporation
WARNING
This
equipment
has
been
tested
and
found
to
comply
with
the
limits
for
a
Class
B
digital
device,
pursuant
to
Part
15
of
the
FCC
Rules.
.
These
limits
are
designed
to
provide
reasonable
protection
against
harmful
interference
in
a
residential
installation.
-This
equipment
generates,
uses,
and
can
radiate
radio
frequency
energy
and,
if
not
Installed
and
used
In
accordance
with
the
instructions,
may
cause
harmful
interference
to
radio
communications.
However,
there
is
no
guarantee
that
interference
will
not
occur
in
a
particular
installation.
If
this
equipment
does
cause
harmful
intesference
to
radio
or
television
reception,
which
can
be
determined
by
tuming
the
equipment
off
and
on,
the'user
is
.
encouraged
to
try
to
correct
the
interference
by
one
or
more
of
the
following
measures:
~
Reorient
or
relocate
the
receiving
antenna.
~
Increase
the
separation
between
the
«
equipment
and
receiver,
-
~
Connect
the
equipment
into
an
outlet
ona
Circuit
different
from
that
to
which
the
receiver
Is
connected.
—
Consult
the
dealer
of
an
experienced
radio/TV
technician
for
help.
You
are
cautioned
that
any
changes
or
modifications
not
expressly
approved
in
this
manual
could
void
your
authority
to
operate
this
equipment.
The
shielded
interlace
cable
recommended
in
this
manual‘must
be
used
with
this
equipment
in
order
to
comply
with
the
limits
for
a
digital
device
pursuant
to
Subpart
B
of
Past
15
of
FCC
Rules,
Features
-
“The
XDP-U50D
is
a
digital
pre-amplitier
which
is
compatible
with
the
Sony
UNILINK
system.
This
unit
can
simulate
various
fistening
“environments
according
to
your
taste
and
the
different
types
of
music
sources.
The
unit
can
—
simulate
several
sound
fields
depicting
different
concert
venues.
These
simulated
sound
fiek’s
include
the
“CONCERT
HALL’
effect
that
re-
creates
the
feeling
of
a
large
enclosed
space
and the
JAZZ
CLUB"
effoct
with
the
feeling
t
of
being close
to
the
performers
and
so
on.
This
enables
you
to
experience
a
reproduced
sound
that
has
the
same
qualities
and
characteristics
of
the
original
sound
source.
The
unit
can
be
controlled
by
a’Sony
Master
unit
which
is
equipped
with
the
DSP
control
function.
*
Selection
can
be
made
from
ten
surround
modes
(HALL,
OPERA,
CHURCH
etc,).
¢
Optimum."Listening
position”
can
be
selected
from
five
different
settings.
¢
DSP
file
function
enables
the
discs
to
be
played
in
the
customized
DSP
modes.
.
°
LSM
(Last
Sound
Memory)
function
enables
programs
to
be
played
with
the
preset
Surround
menu.
*
The
cutoff
frequency
of
the
sub-woofer
can
be
adjusted.
:
©
8
fs
Gver
sampling.
©
The
SCORE
(Subliminal
Correlation)
digital
.
filter
enables
the
quantization
noise
caused
in
-
the
re-quantization
process
not
correlating
to
the
audio
signal,
;
©
18
bit
D/A
converter.
*
Double
PLL
(Phase
Locked
Loop)
realizes
low
fitter.
*
DC/DC
converter
for
a
stable
power
supply.
¢
Compatible
with
the
optical
digital
system.
Table
of
Content
Precautions
...........
boeseeee
seeeeeecesees
4
Installation.
.......cccecccccccccccecscccceses
5
COnnections...........ccccccccccsccccsccees
8
Connection
of
the
optical
cable
............
6
Combinations
of
the
units
to
be
connected.
8
Power
connection
leads
2
........ccceveeeee
19
Specifications
...........
ts
seesceeeeeerees
3
29
Supplied
Mounting
Hardware
Precautions
°
This
unit
is
designed
for
negative
ground
12
voit
DC
operation
only.
¢
Avoid
instalting
the
unit
where:
~
it
would
be
subject
to
high’
temperatures,
such
as
from
direct
sunlight
or
hot
air
from
the
heater
~
it
would
be
exposed
to
rain
or
moisture
~
it
would
be
subject
to
dust
or
dirt.
*
If
the
unit
is
placed
too
close
to
the
car
radio
or
the
TV
tuner,
interference
may
occur.
In
this
case,
separate
the
unit
from
the
car
radio
or
TV
tuner.
;
«
The
unit
has
a
digital
volume
contro!
system.
Do
not
turn
down
the
volume
of
the
master
unit
too
much
as
doing
so
may
cause
the
sound
quality
to
deteriorate.
*
The
output
levels
of
the
rear
speakers
wil)
be
lower
than
those
of
the
front
speakers
In
order
to
obtain
the
optimum
time
alignment
effect.
¢
For
safety
reasons,
keep
the
volume
of
the
master
unit
at
a
moderate
level
so
that
you
can
stilt
hear
the
sound
outside
your
car.
*
For
connections,
refer
to
the
installation/connections
manuals
supplied
to
the
other
units
to
be
connected
as
well.
.
if
you
have
any
questions
or
problems
concerning
your
unit
that
are
not
covered
in
this
manual,
please
consult
your
nearest
Sony
dealer.
Fuse
Replacement.
If
the
fuse
blows,
check
the
power
connection
and
‘aplate
the
fuse.
if
the
fuse
blows
again
atter
the
replacement,
there
may
be
an
internal
malfunction.
In
this
case,
consult
your
nearest
Sony
dealer,
Warning
Use
the
specified
fuse.
Use
of
a
fuse
with
higher
amperage
rating
may
cause
serious
damage
to
the
unit.
Installation
»
Choose
the
mounting
location
carefully
so
that
the
unit
will‘not
interfere
with
the
normal
driving
functions
of
the
driver.
¢
Mount
the
unit
either
under
a
seat
or
inside
the
trunk
room.
installing
with
the
supplied
screws
Prepare
a
sound
mounting
board
with
enough
thickness
(more
than
14
mm
(9/16
in.))
to
install
the
unit
securely.
1
Place
the
unit
directly
onto
the
mounting
board
and
mark
the
four
bolt
holes,
then
drill
the
holes
(3
mm
(1/g
in.)
dia.).
3mm
dia.
2
installing
with
the
supplied
Velcro
tapes
Before
attaching
the
Velcro
tapes,
clean
the
surface
where
you
intend
to
attach
them.
Connections.
*
Before
making
any
connections,
disconnect
the
grour~
terminal
of
the
car
paney
to
avoid
short
circuits.
*
Connect
the
+12
volt
power
sunoly
lead
only
after
all
the
other
leads
have
been
connected.
°
Be
sure
to
press
the
reset
button
of
the
master
unit
after
all
the
connections
have
Saari
completed.
.
*
if
your
car
Is
equipped
with
a
computer
system
for
navigation
or
some
s
other
purposes,
be
sure
not
to
remove
the
ground
wire
from
the
car
battery.
If
you
disconnect
the
wire,
the
memory
of
the
computer
may
be
erased.
To
avoid
short
circuits
when
making
connections
in
such
a
car,
connect
the
+12
volt
power
supply
lead
of
the
unit
only
after
all
the
other
leads
of
this
unit
have
been
connected.
Note
on
the
use
with
an
extra
power
amplifier
This
unit
has
a
digital
volume
control
system.
If
you
turn
dawn
the
Volume
of
the
master
unit
too
much,
the
output
sound
may
be
distorted.
To
prevent
this
from
happening,
turn
up
_
the
volume
of
the
master
unit
to
a
moderate
level
and
(if
the
power
amplifier
has
a
input
levef
control)
turn
down
the
input
level
of
the
power
amplifier.
Connection
of
the
optional
optical
cable
(RC-97
etc.)
1
Do
not
touch
the
coupler
parts.
SC
er
Ff
oT
Protective
tubes
Opticat
cable
(to
be
removed)
(not
supplied)
Note
When
you
wish
to
_
disconnect
the
cable,
simply
push
both
sides
of
the
connector.
Protective
cap
aaa,
(Remove
and
retain
it
for
future
use.)
Hes
Notes
on
the
optical
cable
.
Observe
the
following
when
connecting
the
cable.
-~
Make
sure
that
the
connector
is
plugged
in
firmly
with
the
caches
on
either
side
of
the
connector
being
fully
inserted
into
the
socket.
—
Do
not
force
to
bend
the
cable
too
much
so
that
the
bent
part
(arc)
becomes
less
than
5
cm
(2
in.)
in
radius.
{f
you
do
so,
sound
may
not
be
reproduced.
—
Make
sure
that
the
cable
does
not
get
squeezed
or
constricted
in
any
way
by
objects
around
it.
—
Never
jet
the
coupler
parts
of
the
connectors
get
scratched
or
become
contaminated
with
dirt.
—
When
using
the
optical
cable,
avoid
routing
it
in
places
where
there
could
be
a
6
considerable
rise
in
temperature.
a
ESN
a
Na
Sa
eB
OO
Oh
A
RW
ee
Me
SS
Pea
aa
Sal
ead
Equipments
used
in
the
illustrations
of
the
connections
examples
RCA
pin
cord
<}——_—_———-1>_—_.
Optical
cable
Master
unil
(compatible
with
the
Sony
DSP
system)
CD
changer
(equipped
with
an
analog
output)
:
.
CD
changer
(equipped
with
a
digita!
output)
:
Source
selector
(compatible
with
an
analog
system)
ANALOG
Source
selector
(compatible
with
the
Sony
digital
transmission
system)
DIGITAL
TV
tuner
fico
0
00
O}
fossa
Power
ampiitier
"
If
you
need
some
extra
connecting
cables
or
cords,
you
can
find
them
in
the
Sony
audio
accessory
lineup,
For
the
equipment
to
be
connected
to
the
unit,
refer
to
“Specifications”
(page
20).
;
i
Connections
Combinations
of
the
Units
to
be
conn-:cted
Basic
connection
if
the
master
unit
to
be
connected
is
equipped
with
a
built-in
amplifier
and
the
speaker
outputs
(XR-U700
etc.},
donot
connect
the
speakers
to
those
outputs.
Alternatively
connect
the
speakers
to
the
speaker
terminals
ot
the
optional
power
amplifier
which
shail
be
connected
to
this
unit.
XDP-U50D
Master
unit
Power
amplifier
Power
amplifier
The
use
of
the
sub-woofers
is
recommended
for
an
optimum
time
alignment
effect.
rages
connections
)
CD
changer
(digital)
{Teo
0
00
Of
TV
Tuner
£—*
Source
selector
Equalizer
Reference
page
+1
The
maximum
of
two-CD
changers
(analog
or
digital)
can
be
connected.
#2
The
maximum
of
ten
CD
changers
(analog
and/or
digital)
can
be
connected
to
the
the
unit
with
the
source
selectors
{analog
and/or
digital).
*3
For
the
connections
of
the
CD
changers
and
TV
tuner,
refer
to
the
respective
connection
examples.
Example
A-1
Basic
Connection
4.7
:
i
Front
speakers
When
Romeciing
an
active
sub-wootel.
Rear
speakers
>
UNILINK
IN--
-
CONTROL:
..
“LINE
OUT
=
‘(REAR)
*
*
supplied
to
te
unit.
For
the
‘other
connecting
cables
and
cords,
use
the
ones
supplied
to
the
other
units
or
the
separately
sold
ones.
Connections
oN
A
ESET
0
aR
a
a
aa
a
SERED
Ene
A-2
abs
aCD
ch
eiager
(analc-g))
eo
Front
speakers
Rear
speakers
When
connecting
only
one
CO
changer
(anatog)
wow
nwmemomwcemvown’?
‘UNILINKIN
CONTROL...
“LINE
OUT.
INK
iN
_{REAR)
AUDIO
-
Stesa+
_*
Supplied
to
the
unit.
For
the
other
connecting
cables
and
cords,
use
the
ones
supplied
to
the
other
units
or
the
separately
sold
ones.
Example
A-3
(with
a
CD
changer
(digital))
Front
speakers:
Rear
speakers
When
connecting
only
one
CD
changer
(digital)
Qo
et
Poe
ee
ere
a
fe
N
fe
aN
,
Ld
PCF
tt
t
ft
Got
ccoousooeanuecuduceeses
“LINE
OUT:
“
(REAR)
|
*
supplied
to
the
unit.
For
the
other
connecting
cables
and
cords;
use
the
ones
supplied
to
the
other
units
*
or
the
Separetey
sold
ones.
For
the
connection
of
the
optical
cable,
refer
to
page
6.
Connections
Example
A-4
(with
two
CD
changers
(analog.
and
digital))
(<S-
e
Front
speakers
Rear
speakers
EE
DIGITAL
t
¢
OY
LINE:‘OUT
f
(REAR)
>
UNILINK
IN
CONTROL
*
Supplied
to
the
unit.
For
the
other
connecting
cables
and
cords,
use
the
ones
supplied
to
the
other
units
or
the
separately
sold
ones.
For
the
connection
of
the
optical
cable,
refer
to
page
6.
.
12
Example
A-5
(with
several
CD
changers
(analog
and
digital).
You
can
connect
a
maximum
of
ten
CD
changers
(a
combination
of
analog
and
digital)
to
the
unit
with
the
source
selectors.
ae,
4
Sub-woofer
*
Re
es
eat
.
Front
speakers
Rear
speakers
SS
DIcatar
DIGITA
ee)
Porat]
+
Ea)
TRALOG
eat
ANALOG
.
ANALCG
Connect
the
CD
changers
to
the
source
selector
with
the
UNILINK
cables
and
optical
cables
‘supplied
to
the
CD
changers.
(The
opticat
cable
is
not
supplied
to
some
CD
changer
models.)
.
Connect
the
CD
changers
to
the
source
selector
with
the
UNILINK
cables
and
RCA
pin
cords
supplied
to
the
CD
changers.
“~
ANALOG
DIGITAL
t
“UNILINK
IN"
CONTROL
©
a
artsy
*
supplied
to
the
unit.
For
the
other
connecting
cables
and
cords,
use
the
ones
supplied
to
the
other
units
or
the
separately
sold
ones.
For
the
connection
of
the
optical
cable,
refer
to
page
6.
42
Connections
Example
B-1
Basic
Connection
Plus
TV
Tuner
Front
speakers
Rear
speakers
e
LINE
OUT:
*
supplied
to
the
unit.
For
the
other
connecting
cables
and
cords,
use
the
ones
supplied
to
the
other
units
or
the
separately
sold
ones.
TA
Example
B-2
(with
a
CD
changer
(analog)
AUNILINK
ns
UNILINK
>
fal
eo
OUT
CONTROL
|
Front
speakers
Rear
speakers
UNILINK,
CO
NTROL
a3
eneae
la
ia
ANALOG
lee
eels)
eo
ewe
w
een
ewe
we
wee
mewn
ewmocces
mee
een
mens
wnweemwoons,
PUTT
MSM
Meme
evwwewemooomnmoes
ee
ere
de
“UNILINK
IN.
“CONTROL
-
*
supplied
to
the
unit.
For
the
other
connecting
cables
and
cords,
use
the
ones
supplied
to
the
other
units
or
the
separately
sold
ones.
.
Connections
Example
B-3
(with
a
CD
changer
(digital))
+)
oon
Front
speakers
UNILINK:
IN’
Rear
speakers
CONTROL
When
connecting
only
one
CD
changer
(digital)
OIGITAL
t
Geer
ewewrenewwncmcsvens
Sree
s
'
am
‘
'
+f
i!
’
$
|
‘
'
¢
’
i
‘
$
‘
’
'
‘
’
‘
,
4
r
‘
’
'
’
’
'
*
al
Ro
CT
Be
OUNILINK
IN
‘CONTROL
':.
*
supplied
to
the
unit.
For
the
other
connecting
cables
and
cords,
use
the
ones
supplied
to
the
other
units
or
the
separately
sold
ones.
For
the
connection
of
the
optical
cable,
refer
to
page
6.
Example
B-4
(with
two
CD
changers
(analog
and
digital))
UNILINK,
-
UNILINK
a
ap
faneall_of]
Subwoniel
CONTROL
:
Front
speakers
UNILINK
N
Rear
speakers
CONTRO
L
a
(=T
et
SA
DIGITAL
t
ft
&
UNILINKIN
CONTROL’.
LINE
OUT
:
UNILINK
IN-
*
$upplied
to
the
unit.
For
the
other
connecting
cables
and
cords,
use
the
ones
supplied
to
the
other
units
or
the
separately
sold
ones.
For
the
connection
of
the
optical
cable,
refer
to
page
6.
17
Connections
a
aT
ee
aaa
Example
C-1
Basic
€
snnection
Plus
Equ:
:izer
To
obtain
the
optimut::
performance
out
of
the
DSP
sys:em,
connect
the
optional
Sony
-
graphic
equalizer
between
the
master
unit
and
the
DSP
unit
So
that
the
audio
signal
from
the
LINE
OUT
terminals
of
the
master
unit
can
be
processed
and
arranged
in
a
number
of
preset
frequency
bands
to
your
preference
before
being
inputted
to
the
DSP
unit.
If
the
master
unit
is
equipped
with
an
output
level
adjustment
function,
choose
the
appropriate
setting
by
referring
to
the
operating
instructions
manual
of
the
master
unit.
As
for
“
connecting
the
CD
changers
or
the
TV
tuner
unit
etc.
to
the
DSP
system,
refer
to
the
°
related
connection
example
diagrams,
_
‘
Sub-wooter
.
Front
speakers
Rear
speakers
“UNILINK
IN
©.
CONTROL.”
*
supplied
to
the
unit.
For
the
other
connecting
cables
and
cords,
use
the
ones
supplied
to
the
other
units
or
the
separately
sok
ones.
:
18
Power
connection
leads
e
‘
Power
Amplifier
REMOTE
Fuse
{at
least
20
A)
+12
cas
battery
‘Notes
«
Connect
the
+12
volt
power
supply
lead
only
after
all
the
other
leads
have
been
connected.
*
When
you
connect
the
power
supply
lead
(connected
to
the
+12V
terminal)
directly
to
the
car
battery,
make
sure
that
a
{use
whose
value
should
be
at
least
20
A
is
placed
as
close
to
the
car
battery
as
possible
on
the
leads
and
that
the
leads
must
be
larger
than
16-Gauge
(AWG-18)
or
with
the
sectional
—
area
of
more
than
1.25
mm?2:
¢
Be
sure
to
connect
the
ground
lead
of
the
unit
securely
to
a
metal
pari
of
the
car.
A
loose
connection
may
cause
a
malfunction
of
the
unit.
*
Be
sure
to
connect
the
remote
control
lead
of
the
power
amplifier
to
either
the
AMP
REM
OUT
of
the
unit
or
the
AMP
REM
lead
of
the
master
unit
which
is
compatible
with
the
Sony
DSP
system.
19
Specifications
Power
requirements
12
V
OC
car
battery
{negative
ground)
Current
drain
0.8
A
Frequency
response
18
Hz
—
20
kHz
(FRONT)
Signai-to-noise
ratio
103
68
(FRONT)
Harmonic
distortion
-
0.005%
(FRONT)
input/output
terminals
UNILINK
input
(3)
Line
input
(RCA
jack)
(2)
Line
output
(RCA
jack)
(3)
Optical
digital
input
(2)
Dimensions
Approx.
220
x
30
x
173
mm
(wih/d)
(85/4
«
13/46
x
67/e
in.)
Mass
Approx.
950
g
(2
tb.
2
02.)
Supplied
accessories
UNILINK
cable
(2
m}
(1)
Velcro
tape
(1)
Mounting
screws
(4)
Optional
accessories
UNILINK
cable
(supplied
with
RCA
pin
cord}
pfs
AC-61
(1
m),
RC-62
(2
m)
RCA
pin
cord
.
.
RC-63
(1m),
RC-64
{2
m),
RC-65
(5
m)
Optical
cable
RC-97
(2
m)
20
Optional
units
Master
unit
iiuamas
with
a
DSP
system)
XR-UB00,
XR-U700
etc.
CO
changer
(equipped
with
an
analog
output)
’
CDX-U303,
CDX-U404,
CDX-U606
etc.
CD
changer
(equipped
with
a
digital
ouput)
COX-U400D,
CDX-U606
etc.
Source
selector
(compatible
with
an
analog
system)
XA-U40,
XA-U20
etc.
Source
selector
(compatible
with
a
digital
system)
XA-U40D
TV
tuner
XT-U400V
etc.
Power
amplifier
XM-
series
Speakers
XS-L.120C,
XS-L100C,
XS-L80C
ete.
Design
and
specifications
subject
to
change
without
notice.
Table of contents
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