Sony NWZ-E353 / NWZ-E354 / NWZ-E355 Service Manual ▷ View online
NWZ-E353/E354/E355
13
2-10. VOL KEY ASSY
2-11. BATTERY ASSY (BAT1)
4 sheet (wire)
8 sheet (chassis)
9 VOL KEY assy
6 sheet (VOL FPC)
5
3 sheet (PWB)
7 Remove two solders of
VOL KEY wire.
– Rear side view –
1 cushion (NAND)
2 Peel the copper leaf (coral).
VOL KEY wire
VOL KEY wire
:ire SrRFessiQJ RI 92/ .(< wire
red
black
VOL KEY assy
3 sheet (wire)
1 sheet (PWB)
4
5 adhesive sheet (BATT)
6 battery assy (BAT1)
MOTHER board
red
black
– Rear side view –
2 Remove two solders of battery assy (BAT1).
Note 2: When the battery assy (BAT1) is removed, refer to “ABOUT THE
HANDLING OF THE BATTERY ASSY (BAT1)” (page 4).
wire of battery assy (BAT1)
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NWZ-E353/E354/E355
14
SECTION 3
TEST MODE
1. SETTING THE TEST MODE
Note: Perform the test mode in the state of 3.6 V or more in the battery
voltage.
Setting method:
1. Turn the power on.
2. Press the [BACK] key for more 1.5 seconds, the home menu is
1. Turn the power on.
2. Press the [BACK] key for more 1.5 seconds, the home menu is
displayed.
3. Slide the [HOLD] key from OFF to ON.
4. Press the key as following order.
[
4. Press the key as following order.
[
B
]
→ [
b
]
→ [VOL +] → [VOL –] → [
B
]
→ [
b
]
→
[OPTION]
→ [BACK] → [OPTION] → [BACK]
5. The set reboots and the color bar is displayed on the liquid
crystal display.
6. Enter the test mode when any keys are pressed in the state of
step 5, and slide the [HOLD] key from ON to OFF.
Note: The destination setting and sound pressure regulation setting cannot
be executed by this test mode.
2. RELEASING THE TEST MODE
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 “EXITTEST”, and press
the [
B
] key to select the “SURE ?”.
3. Press the [
u
] key, turn the power off and release the test
mode.
3. CONFIGURATION OF THE TEST MODE
[ ]
key
Major item
Major item switching:
[ ]/ [ ]
keys
[BACK]
key
Minor item
Finish
or
Result
Start
Automatic
u
[ ]
key
v
V
v
V
Minor item switching:
[ ]/ [ ]
keys
B
[ ]
key
b
4. OPERATION OF THE TEST MODE
4-1. Power (POWER)
4-1. Power (POWER)
Screen display
MPTAPP (X.XX.XX)
POWER VCHK
AUDIO ACHK
VIDEO DSVCHK
VIDEO OUT
CHGCHK
OTHER BATTCHK
CLESTE RMVBATT
DAC FORCECHG
DIREC
FM
SHUTDOWN
EXITTEST
FM
SHUTDOWN
EXITTEST
4-1-1. Power supply voltage check (VCHK)
This mode is used in case power supply voltage in the state where
all power supply lines are starting is checked.
This mode is used in case power supply voltage in the state where
all power supply lines are starting 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 “POWER”, and press the
[
B
] key to enter the minor item.
3. Press the [
v
]/[
V
] keys to select the “VCHK”.
4. Press the [
u
] key, all power supply lines are started.
Screen display
POWER VCHK
START
In this state, the power supply voltage of each power supply
line can be confi rmed by measuring the voltage.
line can be confi rmed by measuring the voltage.
5. Press the [BACK] key, return to minor item selection screen.
4-1-2. Consumption current (audio playback) check
(ACHK)
This mode is used in case consumption current (audio playback)
is checked in the state where “1 kHz 0 dBs L-ch/R-ch VOLUME:
15” audio signal is outputted.
is checked in the state where “1 kHz 0 dBs L-ch/R-ch VOLUME:
15” audio signal is outputted.
Checking method:
1. Enter the test mode.
2. Press the [
1. Enter the test mode.
2. Press the [
v
]/[
V
] keys to select the “POWER”, and press the
[
B
] key to enter the minor item.
3. Press the [
v
]/[
V
] keys to select the “ACHK”.
4. Press the [
u
] key, “1 kHz 0 dBs L-ch/R-ch VOLUME: 15”
audio signal is outputted.
Screen display
POWER ACHK
1kHz 0dBs L/Rch
HPOUT [ VOL: 15 ]
START
5. In this state, each time the [
B
] key is pressed, LCD back light
on/off switch is performed.
6. Press the [BACK] key, return to minor item selection screen.
Note 1: Information on the test mode must correspond in enough
security. When the leakage has been revealed by any
chance, the source of information is specifi ed.
chance, the source of information is specifi ed.
Note 2: Execute “EXITTEST” when you release the test mode.
NWZ-E353/E354/E355
15
4-1-3. Standby current check (DSVCHK)
This mode is used in case standby current is checked.
This mode is used in case standby current 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 “POWER”, and press the
[
B
] key to enter the minor item.
3. Press the [
v
]/[
V
] keys to select the “DSVCHK”.
4. Press the [
u
] key, enter the state of the deep sleep.
5. Press the [BACK] key, release the state of the deep sleep.
Screen display
POWER DSVCHK
OK
6. Press the [BACK] key, return to minor item selection screen.
4-1-4. Charge current check (CHGCHK)
This mode is used in case charge current is checked.
This mode is used in case charge current 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 “POWER”, and press the
[
B
] key to enter the minor item.
3. Press the [
v
]/[
V
] keys to select the “CHGCHK”.
4. Press the [
u
] key, the charge setting is displayed.
Screen display
POWER CHGCHK
AC
AC
5. In this state, each time the [
B
] key is pressed, the port setting
for the charge is changed as shown in the table below.
Port control
Display
CHG_XCHGEN
CHG_PEN1
CHG_PEN2
AC
L
H
H
USB500
L
H
H
USB100
L
H
L
6. Press the [BACK] key, return to minor item selection screen.
4-1-5. Battery voltage detection check (BATTCHK)
This mode is used in case battery voltage is checked.
This mode is used in case battery voltage 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 “POWER”, and press the
[
B
] key to enter the minor item.
3. Press the [
v
]/[
V
] keys key to select the “BATTCHK”.
4. Press the [
u
] key, the battery voltage is displayed.
When the battery voltage cannot be confi rmed, “ERROR” is
displayed.
displayed.
Screen display
POWER BATTCHK
X.XXXV
X.XXXV: Battery voltage
5. Press the [BACK] key, return to minor item selection screen.
4-1-6. Battery separation (RMVBATT)
When the battery is removed, this mode is used.
When the battery is removed, this mode is used.
Note: Not used for the servicing.
4-1-7. Compulsion charge (FORCECHG)
When compulsorily charging a battery, this mode is used.
When compulsorily charging a battery, this mode is used.
Note: Not used for the servicing.
4-2. Audio (AUDIO)
While playing the audio track, it’s in a repeat state. If [BACK] key
is pressed, it’s stopped.
Press the [
While playing the audio track, it’s in a repeat state. If [BACK] key
is pressed, it’s stopped.
Press the [
b
] key to switch the HPOUT/LINEOUT/SPEAKER.
Screen display
MPTAPP (X.XX.XX)
POWER
AUDIO OUTPUT
VIDEO SN
VIDEO OUT
F1
OTHER F2
CLESTE SEPLR
DAC SEPRL
DIREC MAXOUT
FM NMLZR
SHUTDOWN SPCHK
EXITTEST SPKCHK
EXITTEST SPKCHK
USER1
USER2
USER3
NWZ-E353/E354/E355
16
4-2-1. Output check (OUTPUT)
“1 kHz 0 dBs L-ch/R-ch VOLUME: 25” audio signal is outputted.
“1 kHz 0 dBs L-ch/R-ch VOLUME: 25” audio signal is outputted.
Checking method:
1. Enter the test mode.
2. Press the [
1. Enter the test mode.
2. Press the [
v
]/[
V
] keys to select the “AUDIO”, 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, “1 kHz 0 dBs L-ch/R-ch VOLUME: 25”
audio signal is outputted.
Screen display
AUDIO OUTPUT
1kHz 0dBs L/Rch
HPOUT [ VOL: 25 ]
START
5. Press the [BACK] key, return to minor item selection screen.
4-2-2. S/N check (SN)
“Infi nity Zero VOLUME: 25” audio signal is outputted.
“Infi nity Zero VOLUME: 25” audio signal is outputted.
Checking method:
1. Enter the test mode.
2. Press the [
1. Enter the test mode.
2. Press the [
v
]/[
V
] keys to select the “AUDIO”, and press the
[
B
] key to enter the minor item.
3. Press the [
v
]/[
V
] keys to select the “SN”.
4. Press the [
u
] key, “Infi nity Zero VOLUME: 25” audio signal
is outputted.
Screen display
AUDIO SN
Infi nity Zero
HPOUT [ VOL: 25 ]
START
5. Press the [BACK] key, return to minor item selection screen.
4-2-3. Frequency characteristic 1 check (F1)
“20 Hz 0 dBs L-ch/R-ch VOLUME: 25” audio signal is outputted.
“20 Hz 0 dBs L-ch/R-ch VOLUME: 25” audio signal is outputted.
Checking method:
1. Enter the test mode.
2. Press the [
1. Enter the test mode.
2. Press the [
v
]/[
V
] keys to select the “AUDIO”, and press the
[
B
] key to enter the minor item.
3. Press the [
v
]/[
V
] keys to select the “F1”.
4. Press the [
u
] key, “20 Hz 0 dBs L-ch/R-ch VOLUME: 25”
audio signal is outputted.
Screen display
AUDIO F1
20Hz 0dBs L/Rch
HPOUT [ VOL: 25 ]
START
5. Press the [BACK] key, return to minor item selection screen.
4-2-4. Frequency characteristic 2 check (F2)
“20 kHz 0 dBs L-ch/R-ch VOLUME: 25” audio signal is output-
ted.
“20 kHz 0 dBs L-ch/R-ch VOLUME: 25” audio signal is output-
ted.
Checking method:
1. Enter the test mode.
2. Press the [
1. Enter the test mode.
2. Press the [
v
]/[
V
] keys to select the “AUDIO”, and press the
[
B
] key to enter the minor item.
3. Press the [
v
]/[
V
] keys to select the “F2”.
4. Press the [
u
] key, “20 kHz 0 dBs L-ch/R-ch VOLUME: 25”
audio signal is outputted.
Screen display
AUDIO F2
20kHz 0dBs L/Rch
HPOUT [ VOL: 25 ]
START
5. Press the [BACK] key, return to minor item selection screen.
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