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Model
XAV-742
Pages
62
Size
7.6 MB
Type
PDF
Document
Service Manual
Brand
Device
Car Audio
File
xav-742.pdf
Date

Sony XAV-742 Service Manual ▷ View online

XAV-742
5
NOTE  THE  MAIN  BOARD  OR  SYSTEM  CONTROLLER 
(IC502)  REPLACING
When the complete MAIN board or system controller (IC502) is 
replaced, the destination setting is necessary.
Note: Remote commander is necessary.
1.  Preparing the Destination Setting
Be sure to solder the SL501 on the MAIN board before doing the 
destination setting.
– MAIN Board (Component Side) –
IC502
SL501
2. Destination Setting
Set destination according to the procedure below.
2-1. Setting the Destination Code
1.  In the state of source off (Home screen is displayed), enter the 
destination setting mode by pressing the buttons in order of 
the [4] t [5] t [6] on the remote commander (press only 
the [6] button for two seconds).
2.  The following screen is displayed and the destination setting 
mode becomes effective.
  (Displayed characters/values in the following fi gure are ex-
ample)
Note: Refer to following “2-2. Entering the Destination Code” for opera-
tion method.
<DESTINATION SETTING>
0
 0 0 0 0 2
EUR 000000  MECHA(EUR) 
000006
UC 000001  FT(JPN) 
 
000007
E17(P3E) 000002 
BR(N4E) 
000008
E(N4E) 000003 
EA 
 
00000A
RU2(P5EUR) 000004 
EJ(EUR) 
00000B
3.  The resetting operation is executed by pressing the [OFF] but-
ton on the remote commander for 1 second after the setting 
ends, and the unit returns to the normal condition.
2-2. Entering the Destination Code
Note: Input of the destination code cannot be performed by the keys of 
main unit. Be sure to input the destination code by remote com-
mander.
•  Method of operation by remote commander
Note: The ten key cannot be used.
1. Press the [ ] or [ ] button, and select the alphanumeric char-
acter of “0 to F”.
2.  The digit advances by pressing the [
] button.
 
The digit returns by pressing the [
] button.
3.  The setting is completed by pressing the [ENTER] button, and 
the initialization operation is done.
2-3. Destination Code
Destination
Destination code
E (PAL) model
000502
Russian model
000404
3. Confi rmation After Destination Setting
Execute the following operation after completing the destination 
setting, and confi rm a correct destination was set.
Destination setting checking method:
1.  In the state of source off (Home screen is displayed), enter the 
test mode by pressing the buttons in order of the [4] t [5] t 
[0] on the remote commander (press only the [0] button for two 
seconds).
2.  The following screen is displayed and confi rm that item of the 
destination has been rewritten correctly.
 
(Displayed characters/values in the following fi gure  are  ex-
ample)
<TEST MODE>
AVC Ext 
NAVI
Temperature : 0x105
Tag :  0/50
1. Audio FACTORY MODE
2. Audio DEBUG MODE
4. Visual FACTORY MODE
5. ENGINEER MODE
6. DESTINATION MODE
7. Service Mode
8. MECHA MODE
9. NAVI/RGB-OUT MODE
Master: BA08
Mecha: XR04
BT Module:
Display: SA08
Pandora ID: BB4E78D7
Navigation:
Destination: E17_E3P
Region: 0
AP : BB07
3.  The resetting operation is executed by pressing the [OFF] but-
ton on the remote commander for 1 second after the confi rming 
ends, and the unit returns to the normal condition.
4.  Processing  After the Destination Setting
Be sure to unsolder the SL501 on the MAIN board after doing the 
destination setting.
– MAIN Board (Component Side) –
IC502
SL501
XAV-742
6
NOTE  FOR  FLEXIBLE  BOARD  OF  THE  OPTICAL  
PICK-UP
When connecting or disconnecting the fl exible board of the opti-
cal pick-up to or from the CN2 of the SERVO board, follow the 
procedure given below.
Note: When soldering the short lands, solder within 5 seconds at the tem-
perature of soldering iron below 300°C.
Disconnection:
1.  Solder two shortland.
2. Disconnect the fl exible board from the CN2 of the SERVO 
board.
Connection:
1. Connect 
the 
fl exible board to the CN2 of the SERVO board.
2.  Unsolder two shortland.
ABOUT  THE  SECURITY  FUNCTION
This unit does not use security function by password lock.
Under normal conditions, the battery will last 
approximately 1 year. (The service life may be 
shorter, depending on the conditions of use.)
When the battery becomes weak, the range of the 
remote commander becomes shorter. Replace the 
battery with a new CR2025 lithium battery. Use of 
any other battery may present a risk of fire or 
explosion. 
Notes on the lithium battery
Keep the lithium battery out of the reach of children. 
Should the battery be swallowed, immediately 
consult a doctor.
Wipe the battery with a dry cloth to assure a good 
contact.
Be sure to observe the correct polarity when installing 
the battery.
Do not hold the battery with metallic tweezers, 
otherwise a short-circuit may occur.
+ side up
s
s
s
s
REPLACING  THE  LITHIUM  BATTERY
OF  THE  REMOTE  COMMANDER
XAV-742
7
(E (PAL) model)
English
Cautions
Run all ground (earth) leads to a common gr ound 
(earth) point.
This unit is designed for negative ground (earth) 12 V 
DC operation only.
Do not disassemble or modify the unit.
Do not install in locations which interfere with airbag 
operation.
Do not get the leads under a scr ew, 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 supply leads 
only after all other leads have been connected.
Be sure to insulate any loose unconnected leads 
with electrical tape for safety.
Do not press on the LCD when installing the unit.
Install the unit with the monitor facing straight 
forward; do not install it at a slanted angle.
Notes on the power supply lead (yellow)
When c onnecting this unit in combination with other 
stereo components, the amperage  rating of the car 
circuit to which the unit is connected must be higher 
than the sum of each c omponent's fuse amper age 
rating.
If no car circuits are rated high enough, connect the 
unit directly to the battery.
Connection diagram   
To a common gr ound (earth) point
First connect the black ground (earth) lead, then connect the 
yellow and red power supply leads.
To the power antenna (aerial) control lead or 
the power supply lead of the antenna (aerial) 
booster
Notes
It is not necessar y to connect this lead if there is no power 
antenna (aerial) or antenna (aerial) booster, or with a 
manually-oper ated telescopic antenna (aerial).
If your car has a built-in FM/AM antenna (aerial) in the r ear/
side glass, see “Notes on the control and power supply leads. ”
To AMP REMO TE IN of an optional power 
amplifier
This connection is only for amplifiers. Connecting any other 
system may damage the unit.
To a car’s illumination signal
Be sure to first connect the black ground (earth) lead to a 
common gr ound (earth) point.
To the +12 V power terminal which is 
energized when the ignition switch is set to 
the accessory position
Notes
If there is no a ccessory position, connect to the +12 V power 
(battery) terminal which is energized at all times. 
Be sure to first connect the black ground (earth) lead to a 
common gr ound (earth) point.
If your car has a built-in FM/AM antenna (aerial) in the r ear/
side glass, see “Notes on the control and power supply leads. ”
To the +12 V power terminal which is 
energized at all times
Be sure to first connect the black ground (earth) lead to a 
common gr ound (earth) point.
To the parking brake switch cord
The mounting position of the parking brake switch cord depends 
on your car. For details, see “Connecting the parking brake lead 
(
)” on the reverse side .
To an auxiliary device such as a por table 
media player, game c onsole, etc. (not 
supplied)
Tip
You can use an RCA pin  cord (not supplied) to connect auxiliary 
devices.
To the +12 V power terminal of the car’s rear 
lamp lead (only when connecting the rear 
view camera)
Notes on the control and power supply leads
REM OUT lead (blue/white striped) supplies +12 V DC when you turn 
on the unit.
If your car has built-in FM/AM antenna (aerial) in the r ear/side 
glass, connect REM OUT lead (blue/white striped) or the a ccessory 
power supply lead (red) to the power terminal of the existing 
antenna (aerial) booster. For details, consult your dealer.
A power antenna (aerial) without a relay box cannot be used with 
this unit.
Memor y hold connection
When the yellow power supply lead is c onnected, power will always 
be supplied to the memor y circuit even when the ignition switch is 
turned off.
Notes on speaker connection
Before connecting the speakers, turn the unit off.
Use speak ers with an impedanc e of 4 to 8 ohms,  and with 
adequate power handling c apacities to avoid damage .
Do not connect the speak er terminals to the car chassis, or connect 
the terminals of the right speakers with those of the left speak ers.
Do not connect the ground (earth) lead of this unit to the negative 
(–) terminal of a speaker.
Do not attempt to connect the speak ers in parallel.
Connect only passive speak ers. Connecting active speakers (with 
built-in amplifiers) to the speak er terminals may damage the unit.
To avoid a malfunction, do not use the built-in speak er leads 
installed in your car if they feature a common negative (–) lead for 
the right and left speakers.
Do not connect the unit’s speak er leads to each other.
Notes on connection
If [Check Audio Output Wiring] appears in the display, make sure 
the speak er and amplifier are connected correctly.
To use the monitor for the rear seats,  connect the parking brake 
switch cord to the ground (earth).
*
2
RCA pin cord (not supplied)
*
4
The sound is output from this terminal only when 
ZONE × ZONE is activated. This terminal outputs a 
fixed level regardless of the volume control of the 
unit.
*
5
A separate adaptor may be  required.
*
6
The USB rear cable labeled “HIGH CHARGE”  is 
recommended to use f or recharging the battery 
of a connected device.
*
7
To connect a smartphone to the main unit,  an 
appropriate cable (not supplied) is required.
*
8
GPS module f or AV Center (XA-NV300T) (not 
supplied). Australia models only.
*
9
The USB rear cable without “HIGH CHARGE”  label 
*
11
Speaker impedance:  4 – 8 ohms × 4
Equipment used in illustrations (not supplied)
Subwoofer
Rear speaker
Rear view camera
Monitor
Power amplifier
Front speaker
Fuse (10 A)
HIGH CHARGE
From car antenna (aerial) 
*
2
REM OUT
Max. supply current: 0.4 A
ILLUMINATION
Left
Right
Left
Right
Blue/white striped
White
Green
Purple
White/black striped
Gray/black striped
Green/black striped
Gray
Purple/black striped
Black
Orange/white striped
PARKING BRAKE
Red
Yellow
Light green
*
2
*
6
*
9
*
2
*
2
Smartphone*
7
, USB device, GPS 
module*
8
*
2
*
2
GND
ACC
BATTERY
*
11
SECTION  2
GENERAL
This section is extracted 
from instruction manual.
XAV-742
8
English
Precautions
Choose the installation location carefully so that the 
unit will not interfere with normal driving operations.
Avoid installing the unit in areas subject to dust, dirt, 
excessive vibration, or high temperature, such as in 
direct sunlight or near heater ducts.
Use only the supplied mounting hardware for a saf e 
and secure installation.
To move the front panel smoothly, to insert/eject a 
disc easily, and especially to drive safely, keep an 
adequate distance between the front panel and the 
shift lever. The necessar y distance differs, depending 
on the shift lever position of your car. Before 
installing the unit, choose the installation location 
carefully so that you can drive safely. ( see fig.  
.)
Mounting angle adjustment
Adjust the mounting angle to less than 45°.
About illustrations
XAV-602BT is the model used f or illustration purposes, 
unless otherwise noted.
Connecting the parking brake 
lead  
Be sure to connect the parking brake lead (light green) 
of the power supply connection cable 
 to the 
parking brake switch cord.
Removing the bracket  
Before installing the unit, remove the bracket 
from the unit. 
Keep the release keys 
 for future use as they are 
also necessary if you remove the unit from your  car.
Caution
Handle the bracket 
 carefully to avoid injuring your 
fingers.
1
Insert the release keys 
 into the catches 
between the unit and the bracket 
 at the same 
time until they click.
2
Pull down the bracket 
, then pull up the unit to 
separate them.
Note
The form of the frame and loc ation of the catch may diff er depending 
on the model.
Adjusting the frames   
You can adjust the projecting part of the unit when 
the unit is mounted.
1
Remove the screws 
 from both sides of the 
unit.
2
Choose a screw hole from 
,
 or 
 on each 
frame 
.
If you secure the frames 
 with the screw holes 
 (default 
position), it will maximize the projecting part of the unit. On the 
other hand, screw holes 
 will minimize the projecting part.
3
Reattach the frames 
 with the selected screw 
holes with the removed screws 
.
Notes
Choose the same scr ew hole position on both frames.
If you intend to secure the frames with scr ew holes 
 or 
, make 
sure that there is enough spac e in the dashboard of your car for the 
unit.
Mounting the unit
-A  Mounting the unit with the supplied 
bracket
1
Before installing, make sure that the catches on 
both sides of the bracket 
 are bent inwa rds 3.5 
mm (
5
/
32
 in).
2
Position the supplied bracket 
 inside the 
dashboard.
3
Bend the claws outw ard for a tight fit.
4
Mount the unit onto the supplied bracket 
.
Note
If the catches are straight or bent outwards, the unit will not be 
installed securely and may spring out.
-B  Mounting the unit in a Japanese car
You may be able to install this unit in some mak es of 
Japanese cars without the supplied bracket. If you 
cannot, consult your Sony dealer.
When mounting this unit to the preinstalled brackets 
of your car, use the supplied screws 
 in the 
appropriate screw holes, based on your c ar: T for 
TOYOTA, M for MITSUBISHI and N for NISSAN.
Notes
To avoid a malfunction, install only with the supplied screws 
.
Do not apply excessive force to the buttons of the unit.
Do not press on the LCD.
Before mounting, make sure there is nothing on the top of the unit.
Warning if your car’s ignition has 
no ACC position
Be sure to set the Auto OFF function. For details, refer 
to the supplied “Operating Instructions.”
The unit will shut off completely and automatically in 
the set time when no sour ce is selected, which 
prevents battery drainage.
If the Auto OFF function has not been set, press and 
hold OFF until the display disappears each time you 
turn the ignition off.
Reset button  
When the installation and connections are completed, 
be sure to press the reset button, which is located 
behind the front panel, with a ballpoint pen, etc.
Fuse replacement  
When replacing the fuse, be sure to use one matching 
the amperage  rating stated on the original fuse. If the 
fuse blows,  check the power connection and replace 
the fuse. If the fuse blows again after r eplacement, 
there may be an internal malfunction. In such a case , 
consult your nearest Sony dealer.
B
To the dashboard/c enter console
Bracket
Parts supplied with your car
Size: 
5 × max. 8 mm
(
7
/
32
 × max. 
5
/
16
 in)
Size: 
5 × max. 8 mm
(
7
/
32
 × max. 
5
/
16
 in)
Bracket
Location of screw holes
T: TOYOTA
M: MITSUBISHI
N: NISSAN
Fuse (10 A)
Parking brake switch cord
Foot brake type
Parking brake switch cord
Hand brake type
Shift lever
87 mm (3 1/2 in)
Face the hook inwa rds.
Catch
Shift lever
Projecting part
A
Dashboard
Claws
Larger than 182 mm (7 
1
/
4
 in)
Catch
Larger than 111 mm (4 
3
/
8
 in)
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