Sony NWZ-S754 / NWZ-S755 Service Manual ▷ View online
NWZ-S754/S755
25
4-6. CLESTE
Note: Not used for the servicing.
4-7. DAC
Note: Not used for the servicing.
4-8. DIREC
Screen display
MPTAPP (X.XX.XX)
POWER
AUDIO
VIDEO
VIDEO OUT
OTHER
CLESTE
DAC
AUDIO
VIDEO
VIDEO OUT
OTHER
CLESTE
DAC
DIREC OUTPUT
FM REC
NC PLAY
SHUTDOWN FORMAT
EXITTEST MICCHK
EXITTEST MICCHK
4-8-1. Direct recording output check (OUTPUT)
In this mode, the output confi rmation is done.
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 “OUTPUT”.
4. Press the [
u
] key, the sound output is begun.
Screen display
DIRECT REC CHK
XXXX -> ####
[ VOL: 30 ]
(WM-PORT ID=$$)
XXXX : Recording cable/cradle connecting state
####
: HP/LINE output state
$$
: ID of connected device
20 (When recording cable is connected, or cradle is
connected (LINEOUT cable unconnection))
5 (When cradle is connected (LINEOUT cable con-
nection))
5. Press the [BACK] key, return to minor item selection screen.
4-8-2. Direct recording recording (REC)
In this mode, it records by the format specifi ed in “Direct recording format
select”.
select”.
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 “REC”.
4. Press the [
u
] key, the recording is begun.
Screen display
REC CHECK
XXXX -> ####
[ VOL: 25 ]
LPCM
$$:$$
XXXX : Recording cable/cradle/recording microphone con-
necting state
####
: RECODING/STOP state
$$:$$
: Recording time
5. Press the [BACK] key, return to minor item selection screen.
4-8-3. Direct recording playback (PLAY)
In this mode, the sound recorded in “Direct recording recording” is repro-
duced.
duced.
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 “PLAY”.
4. Press the [
u
] key, the playback is begun.
Screen display
PLAY CHECK
XXXX -> ####
[ VOL: 25 ]
LPCM
$$:$$
XXXX : PLAYING/STOP state
####
: HP/LINE output state
$$:$$
: Playing time
5. Press the [BACK] key, return to minor item selection screen.
NWZ-S754/S755
26
4-8-4. Direct recording format select (FORMAT)
Note: Not used for the servicing.
4-8-5. 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.
Screen display
MIC -> HP
[ VOL: 25 ]
5. Press the [BACK] key, return to minor item selection screen.
4-9. FM
Screen display
MPTAPP (X.XX.XX)
POWER
AUDIO
VIDEO
VIDEO OUT
OTHER
CLESTE
DAC
DIREC
AUDIO
VIDEO
VIDEO OUT
OTHER
CLESTE
DAC
DIREC
FM — RCVCHK
NC
SHUTDOWN
EXITTEST
SHUTDOWN
EXITTEST
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.
Screen display
FM RCVCHK
90.00 MHz
[VOL : 30]
[RSSI : XX]
[Sense-H : XX]
[Sense-L : XX]
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. Noise canceller (NC)
Screen display
MPTAPP (X.XX.XX)
POWER
AUDIO
VIDEO
VIDEO OUT
OTHER
CLESTE
DAC
DIREC
FM
AUDIO
VIDEO
VIDEO OUT
OTHER
CLESTE
DAC
DIREC
FM
NC GAIN-L
SHUTDOWN GAIN-R
EXITTEST NCHPCHK
EXITTEST NCHPCHK
NWZ-S754/S755
27
4-10-1. Microphone gain (L-ch) adjustment (GAIN-L)
Microphone gain (L-ch) is adjusted.
Microphone gain (L-ch) is adjusted.
Checking method:
1. Enter the test mode.
2. Press the [
1. Enter the test mode.
2. Press the [
v
]/[
V
] keys to select the “NC”, and press the [
B
] key
to enter the minor item.
3. Press the [
v
]/[
V
] keys to select the “GAIN-L”.
4. Press the [
u
] key, microphone gain (L-ch) is displayed.
Screen display
NC GAIN-Lch
13
MODE
0
5. In this state, each time the [
b
]/[
B
] keys are pressed, micro-
phone gain (L-ch) is displayed.
6. In this state, each time the [HOLD] key is slided from ON to
OFF, the NC mode changes into “-1 (NC OFF)/0 (airplane)”.
7. Press the [BACK] key, return to minor item selection screen.
4-10-2. Microphone gain (R-ch) adjustment (GAIN-R)
Microphone gain (R-ch) is adjusted.
Microphone gain (R-ch) is adjusted.
Checking method:
1. Enter the test mode.
2. Press the [
1. Enter the test mode.
2. Press the [
v
]/[
V
] keys to select the “NC”, and press the [
B
] key
to enter the minor item.
3. Press the [
v
]/[
V
] keys to select the “GAIN-R”.
4. Press the [
u
] key, microphone gain (R-ch) is displayed.
Screen display
NC GAIN-Rch
13
MODE
0
5. In this state, each time the [
b
]/[
B
] keys are pressed, micro-
phone gain (R-ch) is displayed.
6. In this state, each time the [HOLD] key is slided from ON to
OFF, the NC mode changes into “-1 (NC OFF)/0 (airplane)”.
7. Press the [BACK] key, return to minor item selection screen.
4-10-3. Noise canceling headphone detection (NCH-
PCHK)
The detection of noise canceling headphone is executed.
PCHK)
The detection of noise canceling headphone is executed.
Note: Noise canceling
headphone is
necessary to execute this mode.
Checking method:
1. Connect noise canceling headphone with the WALKMAN.
2. Enter the test mode.
3. Press the [
1. Connect noise canceling headphone with the WALKMAN.
2. Enter the test mode.
3. Press the [
v
]/[
V
] keys to select the “NC”, and press the [
B
] key
to enter the minor item.
4. Press the [
v
]/[
V
] keys to select the “NCHPCHK”.
5. Press the [
u
] key, the detection of noise canceling headphone
is executed.
Screen display
Connected Noican HP
6. Press the [BACK] key, return to minor item selection screen.
4-11. Shutdown (SHUTDOWN)
Function that power supply of set can be turned off without ending
static test mode.
Function that power supply of set can be turned off without ending
static test mode.
Procedure:
1. Enter the test mode.
2. Press the [
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.
28
NWZ-S754/S755
SECTION 4
EXPLODED VIEWS
1
4-192-475-01 ESCUTCHEON (REAR) (for BLACK, BLUE, GOLD)
1
4-192-475-11 ESCUTCHEON (REAR) (for WHITE, LIGHT PINK)
2
4-192-477-01 BUTTON (VOL) (+, –) (BLACK)
2
4-192-477-11 BUTTON (VOL) (+, –) (WHITE)
2
4-192-477-21 BUTTON (VOL) (+, –) (LIGHT PINK)
2
4-192-477-31 BUTTON (VOL) (+, –) (GOLD)
2
4-192-477-61 BUTTON (VOL) (+, –) (BLUE)
3
9-885-147-90 PANEL (REAR) ASSY (BLACK)
(NWZ-S754: E, AUS)
3
9-885-147-92 PANEL (REAR) ASSY (BLACK)
(NWZ-S754: AEP, UK)
3
9-885-147-93 PANEL (REAR) ASSY (BLACK)
(NWZ-S755: AEP, UK)
3
9-885-147-94 PANEL (REAR) ASSY (BLACK) (NWZ-S754: EE)
3
9-885-147-95 PANEL (REAR) ASSY (BLACK) (NWZ-S755: EE)
3
9-885-147-96 PANEL (REAR) ASSY (BLACK) (NWZ-S754: CND)
3
9-885-150-87 PANEL (REAR) ASSY (WHITE)
(NWZ-S754: E, AUS)
3
9-885-150-88 PANEL (REAR) ASSY (LIGHT PINK)
(NWZ-S754: E, AUS)
3
9-885-150-89 PANEL (REAR) ASSY (BLUE) (NWZ-S754: E, AUS)
3
9-885-150-93 PANEL (REAR) ASSY (WHITE)
(NWZ-S754: AEP, UK)
3
9-885-150-94 PANEL (REAR) ASSY (LIGHT PINK)
(NWZ-S754: AEP, UK)
3
9-885-150-95 PANEL (REAR) ASSY (BLUE)
(NWZ-S754: AEP, UK)
3
9-885-150-97 PANEL (REAR) ASSY (GOLD) (NWZ-S754: EE)
3
9-885-150-98 PANEL (REAR) ASSY (BLUE) (NWZ-S754: EE)
3
9-885-150-99 PANEL (REAR) ASSY (BLACK) (NWZ-S754: CH)
3
9-885-151-00 PANEL (REAR) ASSY (WHITE) (NWZ-S754: CH)
3
9-885-151-03 PANEL (REAR) ASSY (GOLD) (NWZ-S754: CH)
3
9-885-151-04 PANEL (REAR) ASSY (BLACK) (NWZ-S754: MX)
3
9-885-151-06 PANEL (REAR) ASSY (BLACK)
(NWZ-S755: E, AUS)
3
9-885-151-11 PANEL (REAR) ASSY (WHITE)
(NWZ-S755: AEP, UK)
3
9-885-151-12 PANEL (REAR) ASSY (LIGHT PINK)
(NWZ-S755: AEP, UK)
3
9-885-151-13 PANEL (REAR) ASSY (BLUE)
(NWZ-S755: AEP, UK)
4
4-266-233-11 SCREW, 0+Z M1.4X5.5
(for WHITE, LIGHT PINK, GOLD)
4
4-266-233-51 SCREW, 0+Z M1.4X5.5 (for BLACK, BLUE)
5
4-192-478-01 KNOB (HOLD) (BLACK)
5
4-192-478-11 KNOB (HOLD) (WHITE)
5
4-192-478-21 KNOB (HOLD) (LIGHT PINK)
5
4-192-478-31 KNOB (HOLD) (GOLD)
5
4-192-478-61 KNOB (HOLD) (BLUE)
6
4-192-479-01 SUPPORT (HOLD)
7
4-192-494-01 SHEET (ESCUTCHEON)
8
4-263-651-01 SHEERT ER ADHESIVE
9
4-192-493-01 SHEET (VOL) ADHESIVE
Note:
• -XX and -X mean standardized parts, so
• -XX and -X mean standardized parts, so
they may have some difference from the
original one.
original one.
• Items marked “*” are not stocked since
they are seldom required for routine ser-
vice. Some delay should be anticipated
when ordering these items.
vice. Some delay should be anticipated
when ordering these items.
• The mechanical parts with no reference
number in the exploded views are not sup-
plied.
plied.
• Color Indication of Appearance Parts Ex-
ample:
KNOB, BALANCE (WHITE) . . . (RED)
↑
↑
Parts Color Cabinet’s Color
• Abbreviation
AUS : Australian model
CH
AUS : Australian model
CH
: Chinese model
CND : Canadian model
EE
EE
: East European model
MX
: Mexican model
4-1. REAR PANEL SECTION
front panel section
1
7
8
2
9
9
6
3
4
5
• Refer to “COLOR VARIATION” in the
“SERVICING NOTES” (page 8) about col-
or variation of model and destination.
or variation of model and destination.
Ref. No.
Part No.
Description
Remark
Ref. No.
Part No.
Description
Remark
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