Sony NWZ-S774BT Service Manual ▷ View online
NWZ-S773BT/S774BT/S775BT
29
4-4-7. Firmware version check (FWVER)
The fi rmware version is displayed.
The fi rmware version is displayed.
Checking method:
1. Enter the test mode.
2. Press the [
1. Enter the test mode.
2. Press the [
v
]/[
V
] keys to select the “OTHER” and press the
[
B
] key to enter the minor item.
3. Press the [
v
]/[
V
] keys to select the “FWVER”.
4. Press the [
u
] key, the fi rmware version is displayed.
(Displayed characters/values in the following fi gure are ex-
ample)
ample)
OTHER FWVER
1.00.00
MODEL NAME
NWZ-E773
SERIAL NO
2222278
BT MAC ADR
54-53-ED-59-99-70
Screen display
Firmware version
Model name
Serial No.
Bluetooth MAC address
5. Press the [BACK] key, return to minor item selection screen.
4-4-8. NAND capacity check (NCAPCHK)
Capacity of NAND fl ash memory, present bad block, maximum
bad block, and vender ID are displayed.
Capacity of NAND fl ash memory, present bad block, maximum
bad block, and vender ID are displayed.
Checking method:
1. Enter the test mode.
2. Press the [
1. Enter the test mode.
2. Press the [
v
]/[
V
] keys to select the “OTHER”, and press the
[
B
] key to enter the minor item.
3. Press the [
v
]/[
V
] keys to select the “NCAPCHK”.
4. Press the [
u
] key, capacity of NAND fl ash memory, present
bad block, maximum bad block, and vender ID are displayed.
(Displayed characters/values in the following fi gure are ex-
ample)
ample)
OTHER NCAPCHK
13.6GB
BADBLOCK
CUR(0)/MAX(0)
VENDOR(0x000045)
UNKNOWN
Screen display
Capacity of NAND flash memory
Number of present bad block
(It makes an error the acquisition of
the number of bad blocks at “-1”)
Number of maximum bad block
(It makes an error the acquisition of
the vendor information at “-1”)
(It makes an error the acquisition of
the number of bad blocks at “-1”)
Number of maximum bad block
(It makes an error the acquisition of
the vendor information at “-1”)
Vendor ID of NAND flash memory
(It makes an error the acquisition of
the vendor information at “-1”)
Vendor name of NAND flash memory
(It makes an error the acquisition of
the vendor information at “-1”)
Vendor name of NAND flash memory
5. Press the [BACK] key, return to minor item selection screen.
4-5. CLESTE
MATAPP (X.XX.XX)
Screen display
POWER
AUDIO
VIDEO
OTHER
CLESTE
DAC
DIREC
BLUETOOTH
FM
SHUTDOWN
EXITTEST
WCABLE
WOCABLE
WOCABLE
4-5-1. Clear stereo setting (With cable) (WCABLE)
This mode is according to an original sound playback, for adjust-
ment to right and left sound.
This mode is according to an original sound playback, for adjust-
ment to right and left sound.
Note: Not used for the servicing.
4-5-2. Clear stereo setting (No cable) (WOCABLE)
This mode is according to an original sound playback, for adjust-
ment to right and left sound.
This mode is according to an original sound playback, for adjust-
ment to right and left sound.
Note: Not used for the servicing.
4-6. DAC
MATAPP (X.XX.XX)
Screen display
POWER
AUDIO
VIDEO
OTHER
CLESTE
DAC
DIREC
BLUETOOTH
FM
SHUTDOWN
EXITTEST
B-GAIN
T-GAIN
T-GAIN
4-6-1. BASS-Gain/Fc setting (B-GAIN)
This mode is adjustment for the sound of BASS when playback.
Note: Not used for the servicing.
4-6-2. TREBLE-Gain/Fc setting (T-GAIN)
This mode is adjustment for the sound of TREBLE when playback.
Note: Not used for the servicing.
NWZ-S773BT/S774BT/S775BT
30
4-7. DIREC
MATAPP (X.XX.XX)
Screen display
POWER
AUDIO
VIDEO
OTHER
CLESTE
DAC
DIREC
BLUETOOTH
FM
SHUTDOWN
EXITTEST
OUTPUT
REC
PLAY
FORMAT
MICCHK
REC
PLAY
FORMAT
MICCHK
4-7-1. Direct recording output check (OUTPUT)
In this mode, the output confi rmation is done.
Note: Not used in this model.
4-7-2. Direct recording recording (REC)
In this mode, it records by the format specifi ed in “Direct recording format
select”.
select”.
Note: Not used in this model.
4-7-3. Direct recording playback (PLAY)
In this mode, the sound recorded in “Direct recording recording” is repro-
duced.
duced.
Note: Not used in this model.
4-7-4. Direct recording format select (FORMAT)
In this mode, the recording format is selected.
Note: Not used in this model.
4-7-5. Built-in microphone check (MICCHK)
In this mode, the built-in microphone is checked.
Checking method:
1. Enter the test mode.
2. Press the [
1. Enter the test mode.
2. Press the [
v
]/[
V
] keys to select the “DIREC”, and press the [
B
]
key to enter the minor item.
3. Press the [
v
]/[
V
] keys to select the “MICCHK”.
4. Press the [
u
] key, the
built-in microphone check
is begun. In
this state, the sound that the built-in microphone perceived is
outputted from the headphone.
outputted from the headphone.
MIC -> HP
[ VOL: 25 ]
Screen display
5. Press the [BACK] key, return to minor item selection screen.
4-8. Bluetooth (BLUETOOTH)
MATAPP (X.XX.XX)
Screen display
POWER
AUDIO
VIDEO
OTHER
CLESTE
DAC
DIREC
BLUETOOTH
FM
SHUTDOWN
EXITTEST
SETADR
CONNECT
SETFRQ
USER1
USER2
USER3
CONNECT
SETFRQ
USER1
USER2
USER3
4-8-1. Bluetooth address setting (SETADR)
This mode can set the bluetooth address setting.
This mode can set the bluetooth address setting.
Checking method:
1. Display the major item selection screen.
2. Press the [
1. Display the major item selection screen.
2. Press the [
v
]/[
V
] keys to select the “BLUETOOTH”, and press
the [
B
] key to enter the minor item.
3. Press the [
v
]/[
V
] keys to select the “SETADR”.
4. Press the [
u
] key, the bluetooth address is displayed.
The displayed bluetooth address uses the address list (hexadec-
imal number of 12 digits) described in “/contents/bdadr.txt”.
imal number of 12 digits) described in “/contents/bdadr.txt”.
When
the
fi le doesn’t exist, “0x000000000000” is displayed.
(Displayed values in the following fi gure are example)
BT SETADR
0x000000000000
Screen display
Bluetooth address
5. Press the [VOL +]/[VOL –] keys to select the bluetooth ad-
dress.
When the test mode is released, the selected bluetooth address
becomes invalid.
becomes invalid.
6. Press the [BACK] key, return to minor item selection screen.
NWZ-S773BT/S774BT/S775BT
31
4-8-2. Bluetooth connection check (CONNECT)
Connected confi rmation to the address selected in “SETADR” can
be done in this mode.
Connected confi rmation to the address selected in “SETADR” can
be done in this mode.
Checking method:
1. Display the major item selection screen.
2. Press the [
1. Display the major item selection screen.
2. Press the [
v
]/[
V
] keys to select the “BLUETOOTH”, and press
the [
B
] key to enter the minor item.
3. Press the [
v
]/[
V
] keys to select the “CONNECT”.
4. Press the [
u
] key, It connects with the address selected in
“SETADR”, and the result is displayed (“OK” or “NG”).
BT CONNECT
OK
Screen display
5. Press the [BACK] key, return to minor item selection screen.
4-8-3. Bluetooth frequency setting (SETFRQ)
This mode can fi ne-tune the bluetooth frequency.
This mode can fi ne-tune the bluetooth frequency.
Checking method:
1. Display the major item selection screen.
2. Press the [
1. Display the major item selection screen.
2. Press the [
v
]/[
V
] keys to select the “BLUETOOTH”, and press
the [
B
] key to enter the minor item.
3. Press the [
v
]/[
V
] keys to select the “SETFRQ”.
4. Press the [
u
] key, the bluetooth frequency is displayed.
(Displayed values in the following fi gure are example)
BT SETFRQ
36
Screen display
Bluetooth frequency
5. Press the [
v
]/[
V
] keys to select the bluetooth frequency (0 to
63).
6. Fix the frequency by pressing the [u] key.
7. Press the [BACK] key, return to minor item selection screen.
7. Press the [BACK] key, return to minor item selection screen.
4-8-4. User
specifi cation contents playback 1 (USER1)
This mode can reproduce “User1.wav” on “/contents” for the de-
vice with the bluetooth address described in “bdadr.txt” on “/con-
tents”.
vice with the bluetooth address described in “bdadr.txt” on “/con-
tents”.
Checking method:
1. Enter the test mode.
2. Press the [
1. Enter the test mode.
2. Press the [
v
]/[
V
] keys to select the “BLUETOOTH”, and press
the [
B
] key to enter the minor item.
3. Press the [
v
]/[
V
] keys to select the “USER1”.
4. Press
the
[
u
] key, “User1.wav” on “/contents” is reproduced
for the device with the bluetooth address described in “bdadr.
txt” on “/contents”. And, the result is displayed (“OK” or
“NG”).
txt” on “/contents”. And, the result is displayed (“OK” or
“NG”).
BT USER1
OK
Screen display
5. Press the [HBACK] key, return to minor item selection screen.
4-8-5. User
specifi cation contents playback 2 (USER2)
This mode can reproduce “User2.wav” on “/contents” for the de-
vice with the bluetooth address described in “bdadr.txt” on “/con-
tents”.
vice with the bluetooth address described in “bdadr.txt” on “/con-
tents”.
Checking method:
1. Enter the test mode.
2. Press the [
1. Enter the test mode.
2. Press the [
v
]/[
V
] keys to select the “BLUETOOTH”, and press
the [
B
] key to enter the minor item.
3. Press the [
v
]/[
V
] keys to select the “USER2”.
4. Press
the
[
u
] key, “User2.wav” on “/contents” is reproduced
for the device with the bluetooth address described in “bdadr.
txt” on “/contents”. And, the result is displayed (“OK” or
“NG”).
txt” on “/contents”. And, the result is displayed (“OK” or
“NG”).
BT USER2
OK
Screen display
5. Press the [BACK] key, return to minor item selection screen.
NWZ-S773BT/S774BT/S775BT
32
4-8-6. User
specifi cation contents playback 3 (USER2)
This mode can reproduce “User3.wav” on “/contents” for the de-
vice with the bluetooth address described in “bdadr.txt” on “/con-
tents”.
vice with the bluetooth address described in “bdadr.txt” on “/con-
tents”.
Checking method:
1. Enter the test mode.
2. Press the [
1. Enter the test mode.
2. Press the [
v
]/[
V
] keys to select the “BLUETOOTH”, and press
the [
B
] key to enter the minor item.
3. Press the [
v
]/[
V
] keys to select the “USER3”.
4. Press
the
[
u
] key, “User3.wav” on “/contents” is reproduced
for the device with the bluetooth address described in “bdadr.
txt” on “/contents”. And, the result is displayed (“OK” or
“NG”).
txt” on “/contents”. And, the result is displayed (“OK” or
“NG”).
BT USER3
OK
Screen display
5. Press the [BACK] key, return to minor item selection screen.
4-9. FM
MATAPP (X.XX.XX)
Screen display
POWER
AUDIO
VIDEO
OTHER
CLESTE
DAC
DIREC
BLUETOOTH
FM
SHUTDOWN
EXITTEST
RCVCHK
4-9-1. Reception output check (RCVCHK)
FM tuning checked.
FM tuning checked.
Checking method:
1. Enter the test mode.
2. Press the [
1. Enter the test mode.
2. Press the [
v
]/[
V
] keys to select the “FM”, and press the [
B
]
key to select the “RCVCHK”.
3. Press the [
u
] key, “90.00 MHz” is displayed.
(Displayed values in the following fi gure are example)
FM RCV CHK
90.00 MHz
[ VOL: 30 ]
[ VOL: 30 ]
[RSSI: 0]
[ Sense-H: 18 ]
[ Sense-L: 43 ]
Screen display
4. In this state, each time the [
b
] key is pressed, frequency is
changes in the following order.
90.00
MHz
(default)
76.00 MHz 95.75 MHz 107.75
MHz
87.50 MHz 98.00 MHz 108.00 MHz 100.00
MHz
5. In this state, each time the [
B
] key is pressed, the LCD back-
light brightness is switched.
6. In this state, each time the [OPTION] key is pressed, color bar
is displayed.
7. In this state, slide the [HOLD] key from OFF to ON. Each time
the [
B
]/[
b
] keys are pressed, frequency changes in 0.05 MHz.
8. Press the [BACK] key, return to minor item selection screen.
4-10. Shutdown
(SHUTDOWN)
Function that power supply of set can be turned off without ending
static test mode.
static test mode.
Procedure:
1. Enter the test mode.
2. Press
1. Enter the test mode.
2. Press
the
[
v
]/[
V
] keys to select the “SHUTDOWN”, and press
the [
B
] key to select the “SURE ?”.
3. Press
the
[
u
] key, turn the power off while having entered the
test mode.
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