Sony MEX-BT4700U / MEX-BT4750U Service Manual ▷ View online
MEX-BT4700U/BT4750U
5
10. Check that the other party’s voice can be heard from the speak-
er.
11. Check by operating the Volume that the other party’s volume
varies.
12. Speak to the microphone of the set to check that the other party
can hear it. (Make sure that there is no large difference from
normal set)
normal set)
13. Press the [PUSH SELECT] button for 2 seconds to check that
the HF turns off and the set is switched to a telephone call
between cellular phones. (This may not function depending on
the cellular phone)
between cellular phones. (This may not function depending on
the cellular phone)
14. Press the [PUSH SELECT] button for 2 seconds to check that
the HF turns on and the set is switched to a telephone call be-
tween MEX-BT4700U/BT4750U and far end.
tween MEX-BT4700U/BT4750U and far end.
15. Press the [PUSH SELECT] button for a short time to check
that a telephone call is terminated. Also, the original source is
returned.
returned.
16. Perform ACC OFF
→ ON to check if the set is reconnected
automatically to the cellular phone.
7. BT Audio Function Check
1. Connect the set to the BT audio device (or cellular phone fur-
1. Connect the set to the BT audio device (or cellular phone fur-
nished with BT audio function) to check that the streaming
logo lights up.
logo lights up.
2. Play the BT audio device to check that a sound is generated
from the set when the source is switched to the BT audio.
3. Operate the set ([SEEK – /+], [6] button operation) to check if
it can control the BT Audio.
Note: The functions that can be operated vary depending on the BT audio
device connected.
4. Perform
ACC
OFF
→ ON to check if the set can be recon-
nected to the BT audio device. (Some BT audio devices may
be reconnected automatically)
be reconnected automatically)
5. With the BT audio source, press the [6] button to check if the
streaming logo blinks and the set is reconnected to the BT audio
device. (This function is disabled while the set is reconnected
to a cellular phone. Accordingly, this test should be conducted
after the power is turned on and then the HF logo lights up, or
when about 30 seconds elapsed after the power on)
device. (This function is disabled while the set is reconnected
to a cellular phone. Accordingly, this test should be conducted
after the power is turned on and then the HF logo lights up, or
when about 30 seconds elapsed after the power on)
8. Initialize
This should be performed when the set is sent back to the user after
all the checks fi nished successfully.
1. Execute the initialization.
2. Press the [BLUETOOTH] button for 3 seconds to check if the
This should be performed when the set is sent back to the user after
all the checks fi nished successfully.
1. Execute the initialization.
2. Press the [BLUETOOTH] button for 3 seconds to check if the
BT logo lights up.
3. Check that the set is not connected automatically to the cellular
phone that was connected last.
4. With the BT audio source, check that the streaming logo does
not blink when the [6] button is pressed.
9. What to Do after Checking
1. If the board does not need to be replaced
•
1. If the board does not need to be replaced
•
Return the bluetooth settings to original ones. (settings when
the set was received from the user)
the set was received from the user)
2. If the board needs to be replaced
•
•
Return to the factory shipping mode.
BLUETOOTH FUNCTION CHECKING METHOD USING
A CELLULAR PHONE
1. Required
A CELLULAR PHONE
1. Required
Equipment
•
Set to be tested (MEX-BT4700U/BT4750U)
•
Cellular phone (Recommended SEMC K320i or K800i, or se-
lect from connectable cellular phones list)
lect from connectable cellular phones list)
•
Speaker connection (at least Front L/R ch)
•
DC power supply (12 V)
2. Preparation
Turn on the Bluetooth function of the cellular phone in advance.
Remove a Bluetooth device connected to the cellular phone in ad-
vance. (at least, remove XPLOD)
Turn on the Bluetooth function of the cellular phone in advance.
Remove a Bluetooth device connected to the cellular phone in ad-
vance. (at least, remove XPLOD)
3. Test
Environment
•
No other Bluetooth device is making a communication in the
periphery. (within 20 m)
periphery. (within 20 m)
•
No other MEX-BT4700U/BT4750U are supplied with electric
power.
power.
• There are no two or more wireless LAN access points in the
periphery. (with 50 m) (one is OK)
•
The set should be tested in a place such as a meeting room, free
from ambient noise.
from ambient noise.
•
The speaker at the far end should be in a place such as another
meeting room separated acoustically.
meeting room separated acoustically.
4. Setting
Install the MEX-BT4700U/BT4750U on the desktop.
Install the MEX-BT4700U/BT4750U on the desktop.
5. Precautions
Beware of the following points when conducting the
talking test:
•
Beware of the following points when conducting the
talking test:
•
There is no fault if a talking can be made by adjusting appro-
priately the volume of the telephone of the other party and the
cellular phone connected through the Bluetooth, besides the
setup of MEX-BT4700U/BT4750U.
priately the volume of the telephone of the other party and the
cellular phone connected through the Bluetooth, besides the
setup of MEX-BT4700U/BT4750U.
•
The speaker’s voice will become loud naturally if the periph-
ery is noisy, or become low if quiet. (even though the speaker
intents to talk on the same volume level)
ery is noisy, or become low if quiet. (even though the speaker
intents to talk on the same volume level)
• The speaker’s voice will become loud naturally if the other
party’s voice is loud.
6. BT PHONE Function Check
1. Press the [BLUETOOTH] button for 5 seconds to check if the
1. Press the [BLUETOOTH] button for 5 seconds to check if the
BT logo changes from lighting to blinking.
2. Search peripheral equipment from the cellular phone to check
if “XPLOD” is found.
3. Search peripheral equipment from the cellular phone apart
from the set about 5 m to check if “XPLOD” is found.
4. Check if peripheral equipment can be registered to the cellular
phone (pass code 0000).
5. Make a connection to the cellular phone to check if the HF
logo lights up. (This may be conducted at the same time in item
4)
4)
6. After making a connection to the cellular phone, move the cel-
lular phone apart from the set about 5 m to check if the connec-
tion is held.
tion is held.
7. After switching the source of the MEX-BT4700U/BT4750U
to other than BT PHONE (e.g. TUNER) to check that a sound
is generated, make a call to the cellular phone connected to the
set.
is generated, make a call to the cellular phone connected to the
set.
8. Check that the sound being played is interrupted and in turn the
ring tone is heard. (the built-in sound of the set will be gener-
ated or the ring tone of cellular phone will be heard depending
on the cellular phone)
ated or the ring tone of cellular phone will be heard depending
on the cellular phone)
9. Press the [PUSH SELECT] button for a short time to check
that the conversation can be made.
MEX-BT4700U/BT4750U
6
SECTION 2
GENERAL
This section is extracted
from instruction manual.
from instruction manual.
(MEX-BT4700U)
Location of controls and basic operations
Main unit
OFF
BT
ZAP
MODE
SEEK
BLUETOOTH
SEEK
DSPL
AF / TA
OPEN
ALBUM
REP
MIC
L
R
C
S
E
S
U
A
P
F
U
H
S
Y
T
P
3
1
2
4
5
6
AUX
PUSH EN
TER / SELE
CT
/
SOURCE
RB
R
RE
RK
RH
RI
RG
RT
Front panel removed
RESET
X
RL
XB
RM
This section contains instructions on the location
of controls and basic operations. For details, see
the respective pages.
The corresponding buttons on the card remote
commander control the same functions as those
on the unit.
of controls and basic operations. For details, see
the respective pages.
The corresponding buttons on the card remote
commander control the same functions as those
on the unit.
" OFF button
To power off; stop the source.
#
(BACK) button
Press to: Return to the previous display.
$ SOURCE button
To power on; change the source (Radio/CD/
USB/AUX/Bluetooth audio/Bluetooth
phone).
USB/AUX/Bluetooth audio/Bluetooth
phone).
% ZAP button
To enter ZAPPIN™ mode.
& Control dial/select/
(handsfree)
button
To adjust volume/select search category
(rotate); select setup items (press and rotate);
receive/end a call (press).
To adjust volume/select search category
(rotate); select setup items (press and rotate);
receive/end a call (press).
' Receptor for the card remote
commander
( Display window
) OPEN button
* USB terminal
To connect to the USB device.
+ SEEK +/– buttons
CD/USB:
To skip tracks (press); skip tracks
continuously (press, then press again within
about 1 second and hold); reverse/fast-
forward a track (press and hold).
Radio:
To tune in stations automatically (press); find
a station manually (press and hold).
Bluetooth audio device*:
To skip tracks (press).
To skip tracks (press); skip tracks
continuously (press, then press again within
about 1 second and hold); reverse/fast-
forward a track (press and hold).
Radio:
To tune in stations automatically (press); find
a station manually (press and hold).
Bluetooth audio device*:
To skip tracks (press).
3 Microphone
Note
Do not cover the microphone, the handsfree
function may not work properly.
Do not cover the microphone, the handsfree
function may not work properly.
4 RESET button
5 Disc slot
To insert the disc.
6 ;(eject) button
To eject the disc.
* When a Bluetooth audio device (supports AVRCP of
Bluetooth technology) is connected. Depending on
the device, certain operations may not be available.
the device, certain operations may not be available.
Notes
• When ejecting/inserting a disc, keep any USB
• When ejecting/inserting a disc, keep any USB
devices disconnected to avoid damage to the disc.
• If the unit is turned off and the display disappears, it
cannot be operated with the card remote
commander unless
commander unless
4063$&
on the unit is
pressed, or a disc is inserted to activate the unit first.
1 DSPL (display)/SCRL (scroll) button
To change display items (press); scroll the
display item (press and hold).
display item (press and hold).
2 AUX input jack
To connect a portable audio device.
, BT (BLUETOOTH) button
For Bluetooth signal on/off, pairing.
- MODE button
Press to: Select the radio band (FM/MW/
LW)/select the play mode of iPod.
Press and hold to: Enter/cancel the passenger
control.
LW)/select the play mode of iPod.
Press and hold to: Enter/cancel the passenger
control.
.
(BROWSE) button
To enter the Quick-BrowZer mode.
/ AF (Alternative Frequencies)/TA
(Traffic Announcement)/PTY
(Program Type) button
To set AF and TA (press); select PTY (press
and hold) in RDS.
(Program Type) button
To set AF and TA (press); select PTY (press
and hold) in RDS.
0 Number buttons
CD/USB:
/ : ALBUM –/+ (during MP3/WMA/
AAC playback)
/ : ALBUM –/+ (during MP3/WMA/
AAC playback)
To skip albums (press); skip albums
continuously (press and hold).
continuously (press and hold).
: REP
: SHUF
: PAUSE
: SHUF
: PAUSE
To pause playback. To cancel, press
again.
again.
Radio:
To receive stored stations (press); store
stations (press and hold).
Bluetooth audio device*:
: PAUSE
To receive stored stations (press); store
stations (press and hold).
Bluetooth audio device*:
: PAUSE
To pause playback. To cancel, press
again.
again.
Bluetooth phone:
: MIC
: MIC
MEX-BT4700U/BT4750U
7
(MEX-BT4750U)
Location of controls and basic operations
Main unit
OFF
BT
ZAP
MODE
SEEK
BLUETOOTH
SEEK
DSPL
OPEN
ALBUM
REP
MIC
SHUF
PAUSE
SCRL
3
1
2
4
5
6
AUX
PUSH ENTER/SELECT
/
SOURCE
BTM
RB
R
RE
RL
RI
RK
RG
RT
RH
Front panel removed
RESET
XB
RM
XT
X
4 Microphone
Note
Do not cover the microphone, the handsfree
function may not work properly.
Do not cover the microphone, the handsfree
function may not work properly.
5 RESET button
6 Disc slot
To insert the disc.
7 ;(eject) button
To eject the disc.
* When a Bluetooth audio device (supports AVRCP of
Bluetooth technology) is connected. Depending on
the device, certain operations may not be available.
the device, certain operations may not be available.
Notes
• When ejecting/inserting a disc, keep any USB
• When ejecting/inserting a disc, keep any USB
devices disconnected to avoid damage to the disc.
• If the unit is turned off and the display disappears, it
cannot be operated with the card remote
commander unless
commander unless
4063$&
on the unit is
pressed, or a disc is inserted to activate the unit first.
This section contains instructions on the location
of controls and basic operations. For details, see
the respective pages.
The corresponding buttons on the card remote
commander control the same functions as those
on the unit.
of controls and basic operations. For details, see
the respective pages.
The corresponding buttons on the card remote
commander control the same functions as those
on the unit.
" OFF button
To power off; stop the source.
#
(BACK) button
Press to: Return to the previous display.
$ SOURCE button
To power on; change the source (Radio/CD/
USB/AUX/Bluetooth audio/Bluetooth
phone).
USB/AUX/Bluetooth audio/Bluetooth
phone).
% ZAP button
To enter ZAPPIN™ mode.
& Control dial/select/
(handsfree)
button
To adjust volume/select search category
(rotate); select setup items (press and rotate);
receive/end a call (press).
To adjust volume/select search category
(rotate); select setup items (press and rotate);
receive/end a call (press).
' Receptor for the card remote
commander
( Display window
) OPEN button
* USB terminal
To connect to the USB device.
+ SEEK +/– buttons
CD/USB:
To skip tracks (press); skip tracks
continuously (press, then press again within
about 1 second and hold); reverse/fast-
forward a track (press and hold).
Radio:
To tune in stations automatically (press); find
a station manually (press and hold).
Bluetooth audio device*:
To skip tracks (press).
To skip tracks (press); skip tracks
continuously (press, then press again within
about 1 second and hold); reverse/fast-
forward a track (press and hold).
Radio:
To tune in stations automatically (press); find
a station manually (press and hold).
Bluetooth audio device*:
To skip tracks (press).
, BT (BLUETOOTH) button
For Bluetooth signal on/off, pairing.
- MODE button
Press to: Select the radio band (FM/AM)/
select the play mode of iPod.
Press and hold to: Enter/cancel the passenger
control.
select the play mode of iPod.
Press and hold to: Enter/cancel the passenger
control.
.
(BROWSE) button
To enter the Quick-BrowZer mode.
/ BTM button
To start the BTM function (press and hold).
0 Frequency select switch
(BT4750U: E, Mexican and Indian models)
(located on the bottom of the unit)
See “Frequency select switch” in the
supplied installation/connections manual.
(located on the bottom of the unit)
See “Frequency select switch” in the
supplied installation/connections manual.
1 Number buttons
CD/USB:
/ : ALBUM –/+ (during MP3/WMA/
AAC playback)
/ : ALBUM –/+ (during MP3/WMA/
AAC playback)
To skip albums (press); skip albums
continuously (press and hold).
continuously (press and hold).
: REP
: SHUF
: PAUSE
: SHUF
: PAUSE
To pause playback. To cancel, press
again.
again.
Radio:
To receive stored stations (press); store
stations (press and hold).
Bluetooth audio device:
: PAUSE
To receive stored stations (press); store
stations (press and hold).
Bluetooth audio device:
: PAUSE
To pause playback. To cancel, press
again.
again.
Bluetooth phone:
: MIC
: MIC
2 DSPL (display)/SCRL (scroll) button
To change display items (press); scroll the
display item (press and hold).
display item (press and hold).
3 AUX input jack
To connect a portable audio device.
MEX-BT4700U/BT4750U
8
Card remote commander
RM-X304
RM-X304
OFF
DSPL
SCRL
SEL
SOURCE
MODE
1
3
2
4
6
5
ATT
VOL
+
–
+
–
RB
Some of the following buttons on the card remote
commander have different functions, or are
different from the unit. Remove the insulation
film before use.
commander have different functions, or are
different from the unit. Remove the insulation
film before use.
" OFF button
To power off; stop the source.
# SOURCE button
To power on; change the source (Radio/CD/
USB/AUX/Bluetooth audio/Bluetooth
phone).
USB/AUX/Bluetooth audio/Bluetooth
phone).
$ ()/
() buttons
To control radio/CD/USB/Bluetooth audio,
the same as
the same as
4&&,
–/+ on the unit.
Setup, sound setting, etc., can be operated by
.
.
% DSPL (display) button
To change display items.
& VOL (volume) +/– button
To adjust volume.
' ATT (attenuate) button
To attenuate the sound. To cancel, press
again.
again.
( MODE button
Press to: Select the radio band (FM/MW/
LW)/select the play mode of iPod.
Press and hold to: Enter/cancel the passenger
control.
LW)/select the play mode of iPod.
Press and hold to: Enter/cancel the passenger
control.
) SEL (select)/
(handsfree) button
The same as the select button on the unit.
* . (+)/N (–) buttons
To control CD/USB, the same as
/
(ALBUM –/+) on the unit.
Setup, sound setting, etc., can be operated by
. N.
Setup, sound setting, etc., can be operated by
. N.
+ SCRL (scroll) button
To scroll the display item.
, Number buttons
To receive stored stations (press); store
stations (press and hold).
stations (press and hold).
Click on the first or last page to see other MEX-BT4700U / MEX-BT4750U service manuals if exist.