Sony WX-7700MDX Service Manual ▷ View online
5
WX-7700MDX
SECTION 2
GENERAL
This section is extracted from
instruction manual.
instruction manual.
Location of controls
Instructions in this manual describe how
to use the unit by mainly using the card
remote commander.
to use the unit by mainly using the card
remote commander.
a
SCRL (scroll) button
b
DSPL (display mode change) button
c
Number buttons
(1)
REP
(2)
SHUF
To store stations/receive stored stations.
d
EQ7 button
e
MENU button
To display the menus.
f
SOURCE (Power on/Radio/CD/MD/
AUX-Audio) button
AUX-Audio) button
To select the source.
g
SEEK (
<
/
,
) buttons
To skip tracks/fast-forward, reverse a track/
tune in stations automatically, find a station
manually/select a setting.
tune in stations automatically, find a station
manually/select a setting.
h
SOUND button
i
OFF (Stop/Power off) button
j
VOL (+/–) buttons
To turn up or down the volume.
k
OPEN/CLOSE button
l
MODE button
To change the operation.
m
DSO button
n
LIST button
o
DISC (
M
/
m
) buttons
To receive preset stations/change the disc*/
select an item in Menu.
select an item in Menu.
*
When an optional CD/MD unit is connected.
p
ENTER button
To enter a setting.
q
ATT button
Card remote commander RM-X110
DISC
–
ATT
OFF
SCRL
REP
SHUF
DSPL
1
4
MODE
2
5
3
6
SOURCE
DISC
+
SEEK+
SEEK–
SOUND
ENTER
MENU
LIST
EQ7
DSO
VOL
+
–
OPEN/CLOSE
DISC
–
SOURCE
DISC
+
SEEK+
SEEK–
(SEEK)
(
<
):
to select
leftwards
leftwards
(DISC)
(
M
):
to select upwards
In Menu mode, the currently selectable button(s) of
these four are indicated with a “
these four are indicated with a “
v
” in the display.
(DISC)
(
m
):
to select downwards
(SEEK)
(
,
):
to select
rightwards
rightwards
Note
If the unit is turned off by pressing
If the unit is turned off by pressing
(OFF)
for 2
seconds, the unit cannot be operated with the card
remote commander unless
remote commander unless
(SOURCE)
on the unit is
pressed, or a disc is inserted to activate the unit first.
Tip
Refer to “Replacing the lithium battery” for details on
how to replace the batteries.
Refer to “Replacing the lithium battery” for details on
how to replace the batteries.
6
WX-7700MDX
The buttons on the unit share the same
functions as those on the card remote
commander.
functions as those on the card remote
commander.
a
ANGLE button
b
Sound window
c
SOURCE button
d
MODE button
e
VOL (+/–) button
f
Operation window
g
Receptor for the card remote
commander
commander
h
OPEN/CLOSE button
i
ATT button
j
Reset button
k
Frequency select switch
(located on the
bottom of the unit)
See “Frequency select switch” in the
Installation/Connections manual.
See “Frequency select switch” in the
Installation/Connections manual.
l
DISC (–/+) buttons
m
AMS (
. m
/
M >
) buttons
AMS (. m/M >) buttons share
the same functions as SEEK (</,)
buttons on the card remote commander.
the same functions as SEEK (</,)
buttons on the card remote commander.
n
OFF (Stop/Power off) button
*
*
Warning when installing in a car without
an ACC (accessory) position on the
ignition switch
After turning off the ignition switch, be sure to
press
an ACC (accessory) position on the
ignition switch
After turning off the ignition switch, be sure to
press
(OFF)
on the unit for 2 seconds to turn
off the clock display.
Otherwise, the clock display does not turn off
and this causes battery drain.
and this causes battery drain.
Controls of the unit
VOL
ANGLE
MODE
SOURCE
DISC
AMS
ATT
OPEN/
CLOSE
OFF
WX-7700MDX
7
WX-7700MDX
Display windows
a
DSO
Lights up while you are setting the DSO
mode.
mode.
b
POS
Lights up while you are setting the POS
mode.
mode.
c
DISC number
Appears only when an optional CD/MD unit
is connected and a disc in the optional unit is
played.
is connected and a disc in the optional unit is
played.
d
Track number
Appears during CD/MD playback.
e
Various items for a setting or a source
f
Cursor directions
The selectable cursor direction appears as a
“v”.
By pressing a cursor button (M/,/m/<) in
the same direction as any “v” that appears,
you can select an item or proceed with the
operation.
“v”.
By pressing a cursor button (M/,/m/<) in
the same direction as any “v” that appears,
you can select an item or proceed with the
operation.
g
ENTER
Appears when it's necessary to press (ENTER)
after you select an item.
after you select an item.
Sound window
Operation window
VOL
ANGLE
MODE
SOURCE
DISC
AMS
AT T
OPEN/
CLOSE
OFF
VOL
ANGLE
MODE
SOURCE
DISC
AMS
AT T
OPEN/
CLOSE
OFF
1
2
Level meter
(volume)
(volume)
This manual illustrates the
operation window mainly.
operation window mainly.
8
WX-7700MDX
Cautions
• This unit is designed for negative earth 12 V
DC operation only.
• Do not get the wires under a screw, or caught
in moving parts (e.g. seat railing).
• Before making connections, turn the car
ignition off to avoid short circuits.
• Connect the
yellow
and
red
power input leads
only after all other leads have been connected.
•
Run all earth wires to a common earth
point.
point.
• Be sure to insulate any loose unconnected
wires with electrical tape for safety.
Notes on the power supply cord (yellow)
• When connecting this unit in combination with
other stereo components, the connected car
circuit’s rating must be higher than the sum of
each component’s fuse.
circuit’s rating must be higher than the sum of
each component’s fuse.
• When no car circuits are rated high enough,
connect the unit directly to the battery.
Parts Iist (
1
)
The numbers in the list are keyed to those in the
instructions.
instructions.
Connection example (
2
)
Notes (
2
-A)
• Be sure to connect the earth lead before
connecting the amplifier.
• If you connect an optional power amplifier and do
not use the built-in amplifier, the beep sound will
be deactivated.
be deactivated.
Tip (
2
-B-
)
For connecting two or more changers, the source
selector XA-C30 (optional) is necessary.
selector XA-C30 (optional) is necessary.
Connection diagram (
3
)
When inserting each connector, be sure to insert
securely, as vibration through driving may
cause a poor connection.
securely, as vibration through driving may
cause a poor connection.
1
To a metal surface of the car
Make sure to connect the black earth lead first of
all, then proceed with connection steps
Make sure to connect the black earth lead first of
all, then proceed with connection steps
2
-
7
.
Check the black earth lead is connected properly,
before connecting the orange/white striped lead,
yellow and red power input leads.
before connecting the orange/white striped lead,
yellow and red power input leads.
2
To AMP REMOTE IN of an optional power
amplifier
This connection is only for amplifiers. Connecting
any other system may damage the unit.
amplifier
This connection is only for amplifiers. Connecting
any other system may damage the unit.
2
B
Source selector
*
XA-C30
BUS CONTROL IN
A
3
To the power aerial control lead or power supply
lead of aerial booster amplifier
Notes
• I t is not necessary to connect this lead if there
Notes
• I t is not necessary to connect this lead if there
is no power aerial or aerial booster, or with a
manually-operated telescopic aerial.
manually-operated telescopic aerial.
• When your car has a built-in FM/AM aerial in
the rear/side glass, see “Notes on the control
and power supply leads.”
and power supply leads.”
4
To the interface cable of a car telephone
5
To a car’s illumination signal
Be sure to connect the black earth lead to it first.
Be sure to connect the black earth lead to it first.
6
To the +12 V power terminal which is energized
in the accessory position of the ignition key
switch
Notes
• If there is no accessory position, connect to the
in the accessory position of the ignition key
switch
Notes
• If there is no accessory position, connect to the
+12 V power (battery) terminal which is
energized at all times.
Be sure to connect the black earth lead to it
first.
energized at all times.
Be sure to connect the black earth lead to it
first.
• When your car has a built-in FM/AM aerial in
the rear/side glass, see “Notes on the control
and power supply leads.”
and power supply leads.”
7
To the +12 V power terminal which is energized
at all times
Be sure to connect the black earth lead to it first.
at all times
Be sure to connect the black earth lead to it first.
Notes on the control and power supply leads
• The power aerial control lead (blue) supplies +12 V
• The power aerial control lead (blue) supplies +12 V
DC when you turn on the tuner.
• When your car has built-in FM/AM aerial in the
rear/side glass, connect the power aerial control
lead (blue) or the accessory power input lead (red)
to the power terminal of the existing aerial
booster. For details, consult your dealer.
lead (blue) or the accessory power input lead (red)
to the power terminal of the existing aerial
booster. For details, consult your dealer.
• A power aerial without relay box cannot be used
with this unit.
Memory hold connection
When the yellow power input lead is connected,
power will always be supplied to the memory circuit
even when the ignition key is turned off.
When the yellow power input lead is connected,
power will always be supplied to the memory circuit
even when the ignition key is turned off.
Notes on speaker connection
• Before connecting the speakers, turn the unit off.
• Use speakers with an impedance of 4 to 8 ohms,
• Before connecting the speakers, turn the unit off.
• Use speakers with an impedance of 4 to 8 ohms,
and with adequate power handling capacities to
avoid its damage.
avoid its damage.
• Do not connect the speaker terminals to the car
chassis, or connect the terminals of the right
speakers with those of the left speaker.
speakers with those of the left speaker.
• Do not connect the earth lead of this unit to the
negative (–) terminal of the speaker.
• D o not attempt to connect the speakers in parallel.
• Connect only passive speakers. Connecting active
• Connect only passive speakers. Connecting active
speakers (with built-in amplifiers) to the speaker
terminals may damage the unit.
terminals may damage the unit.
• To avoid a malfunction, do not use the built-in
speaker wires installed in your car if the unit shares
a common negative (–) lead for the right and left
speakers.
a common negative (–) lead for the right and left
speakers.
• Do not connect the unit’s speaker cords to each
other.
SUBWOOFER OUT
(MONO)
*
not supplied
BUS AUDIO IN
BUS CONTROL IN
BUS AUDIO IN
AUDIO OUT
(FRONT)
AUDIO OUT
(REAR)
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