DOWNLOAD Sony NWZ-S543 / NWZ-S544 / NWZ-S545 Service Manual ↓ Size: 1.69 MB | Pages: 28 in PDF or view online for FREE

Model
NWZ-S543 NWZ-S544 NWZ-S545
Pages
28
Size
1.69 MB
Type
PDF
Document
Service Manual
Brand
Device
Audio
File
nwz-s543-nwz-s544-nwz-s545.pdf
Date
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NWZ-S543/S544/S545
17
SECTION  3
TEST  MODE
Note: 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.
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 1.5 seconds or more, the home menu 
is displayed.
3.  Slide the [HOLD] key to set the hold on.
4.  While pressing the [OPTION] key, press the key as following 
order.
 [BACK] 
→ [
v
] 
→ [
B
] 
→ [
V
] 
→ [
b
] 
→ [
v
] 
→ [
B
] 
→ [
V
] 
→ 
[
b
] 
→ [
u
]
5.  Enter the test mode.
2.  RELEASING  THE  TEST  MODE
1.  Display the major item selection screen.
2. Press the [
v
]/[
V
] key to select the “EXIT”, 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: 
<>/<>
 key
<#"$,>
 key
Minor item
Finish
or
Result
Start
Automatic
V
<>
 key
<>
 key
#
C
W 7
Minor item switching: 
<>/<>
 key
W 7
4.  OPERATION  OF  THE  TEST  MODE
4-1. Power
 
liquid crystal display
MPTAPP MENU
 POWER 
VCHK
 AUDIO 
ACHK
 VIDEO 
DSVCHK
 OTHER 
CHGCHK
 DEVICE 
BATTCHK
 REC
 FM
 SHUTDN
 EXIT
4-1-1.  Power supply voltage check
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 [
v
]/[
V
] key to select the “POWER”, and press the 
[
B
] key to enter the minor item.
3.  Press the [
v
]/[
V
] key to select the “VCHK”.
4.  Press the [
u
] key, all power supply lines are started.
 
liquid crystal display
VCHK
 
VDDIO : X.XXXV
 
 
VDDA  : X.XXXV
 
VDDD  : X.XXXV
 
In this state, the power supply voltage of each power supply 
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
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 output.
Checking method:
1.  Enter the test mode.
2. Press the [
v
]/[
V
] key to select the “POWER”, and press the 
[
B
] key to enter the minor item.
3.  Press the [
v
]/[
V
] key to select the “ACHK”.
4.   Press the [
u
] key, “1 kHz 0 dBs L-ch/R-ch VOLUME: 15” 
audio signal is output.
 
liquid crystal display
ACHK
1kHz 0dBs L/Rch
HPOUT [ VOL 15 ]
BL ON
5.   In this state, each time the [OPTION] key is pressed, LCD 
back light on /off switch is performed.
6.   Press the [BACK] key, return to minor item selection screen.
NWZ-S543/S544/S545
18
4-1-3.  Standby current check
This mode is used in case standby current is checked.
Checking method:
1.  Enter the test mode.
2. Press the [
v
]/[
V
] key to select the “POWER”, and press the 
[
B
] key to enter the minor item.
3.  Press the [
v
]/[
V
] key 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, and 
return to minor item selection screen.
4-1-4.  Charge current check
This mode is used in case charge current is checked.
Checking method:
1.  Enter the test mode.
2. Press the [
v
]/[
V
] key to select the “POWER”, and press the 
[
B
] key to enter the minor item.
3.  Press the [
v
]/[
V
] key to select the “CHGCHK”.
4.   Press the [
u
] key, the change setting is displayed.
 
liquid crystal display
CHGCHK
AC
AC
5.  In this state, each time the [OPTION] key is pressed, the port 
setting for the charge is changed as shown in the table below.
 
 
6.  Press the [BACK] key, return to minor item selection screen.
4-1-5.  Battery voltage detection check
This mode is used in case battery voltage is checked.
Checking method:
1.  Enter the test mode.
2. Press the [
v
]/[
V
] key to select the “POWER”, and press the 
[
B
] key to enter the minor item.
3.  Press the [
v
]/[
V
] 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.
 
liquid crystal display
BATTCHK
Battery Voltage
X.XXXV
START
 
X.XXXV: Battery voltage
5.  Press the [BACK] key, return to minor item selection screen.
4-2. Audio
While playing the audio track, it’s in a repeat state. If [BACK] key 
is pressed, it’s stopped.
Press the [VOL +] key to switch the HP/LINE/SP.
 
liquid crystal display
MPTAPP MENU
 
 POWER 
OUTPUT
 AUDIO 
SN
 VIDEO 
F1
 OTHER 
F2
 DEVICE 
SEPLR
 REC 
SEPRL
 FM 
MAXOUT
 SHUTDN 
NMLZR
 EXIT 
SPCHK
Port control
Display
CHG_XCHGEN
CHG_PEN1
CHG_PEN2
AC
L
H
H
USB500
L
H
H
USB100
L
H
L
NWZ-S543/S544/S545
19
4-2-1. Output check
“1 kHz 0 dBs L-ch/R-ch VOLUME: 25” audio signal is outputted.
Checking method:
1.  Enter the test mode.
2. Press 
the 
[
v
]/[
V
] key to select the “AUDIO”, and press the [
B
] 
key to enter the minor item.
3.  Press the [
v
]/[
V
] key to select the “OUTPUT”.
4. Press the [
u
] key, “1 kHz 0 dBs L-ch/R-ch VOLUME: 25” 
audio signal is outputted.
 
liquid crystal display
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
“Infinity Zero VOLUME: 30” audio signal is outputted.
Checking method:
1.  Enter the test mode.
2. Press 
the 
[
v
]/[
V
] key to select the “AUDIO”, and press the [
B
] 
key to enter the minor item.
3.  Press the [
v
]/[
V
] key to select the “SN”.
4.   Press the [
u
] key, “Infinity Zero VOLUME: 30” audio signal 
is outputted.
 
liquid crystal display
SN
Infi nity Zero
HPOUT [ VOL 30 ]
START
5.  Press the [BACK] key, return to minor item selection screen.
4-2-3.  Frequency characteristic 1 check
“20 Hz 0 dBs L-ch/R-ch VOLUME: 25” audio signal is outputted.
Checking method:
1.  Enter the test mode.
2. Press 
the 
[
v
]/[
V
] key to select the “AUDIO”, and press the [
B
] 
key to enter the minor item.
3.  Press the [
v
]/[
V
] key to select the “F1”.
4.   Press the [
u
] key, “20 Hz 0 dBs L-ch/R-ch VOLUME: 25” 
audio signal is outputted.
 
liquid crystal display
F1
20Hz 0dBs Lch/Rch
HPOUT [ VOL 25 ]
START
5.  Press the [BACK] key, return to minor item selection screen.
4-2-4.  Frequency characteristic 2 check
“20 Hz 0 dBs L-ch/R-ch VOLUME: 25” audio signal is outputted.
Checking method:
1.  Enter the test mode.
2. Press 
the 
[
v
]/[
V
] key to select the “AUDIO”, and press the [
B
] 
key to enter the minor item.
3.  Press the [
v
]/[
V
] key to select the “F2”.
4.   Press the [
u
] key, “20 Hz 0 dBs L-ch/R-ch VOLUME: 25” 
audio signal is outputted.
 
liquid crystal display
F2
20kHz 0dBs Lch/Rch
HPOUT [ VOL 25 ]
START
5.  Press the [BACK] key, return to minor item selection screen.
NWZ-S543/S544/S545
20
4-2-5.  CH separation (L-ch) check
“1 kHz 0 dBs L-ch VOLUME: 25” audio signal is outputted.
Checking method:
1.  Enter the test mode.
2.  Press the [
v
]/[
V
] key to select the “AUDIO”, and press the [
B
] 
key to enter the minor item.
3.  Press the [
v
]/[
V
] key to select the “SEPLR”.
4.  Press the [
u
] key, “1 kHz 0 dBs L-ch VOLUME: 25” audio 
signal is outputted.
 
liquid crystal display
SEPLR
1kHz 0dBs Lch
HPOUT [ VOL 25 ]
START
5.  Press the [BACK] key, return to minor item selection screen.
4-2-6. S/N check
“1 kHz 0 dBs R-ch VOLUME: 25” audio signal is outputted.
Checking method:
1.  Enter the test mode.
2.  Press the [
v
]/[
V
] key to select the “AUDIO”, and press the [
B
] 
key to enter the minor item.
3.  Press the [
v
]/[
V
] key to select the “SEPRL”.
4.   Press the [
u
] key, “1 kHz 0 dBs R-ch VOLUME: 25” audio 
signal is outputted.
 
liquid crystal display
SEPRL
1kHz 0dBs Rch
HPOUT [ VOL 25 ]
START
5.  Press the [BACK] key, return to minor item selection screen.
4-2-7.  Maximum output check
“1 kHz 0 dBs L-ch/R-ch VOLUME: 30” (Headphone output when 
AVLS operates: “1 kHz 0 dBs L-ch/R-ch VOLUME: 13”) audio 
signal is outputted.
Checking method:
1.  Enter the test mode.
2. Press 
the 
[
v
]/[
V
] key to select the “AUDIO”, and press the [
B
] 
key to enter the minor item.
3.  Press the [
v
]/[
V
] key to select the “MAXOUT”.
4.   Press the [
u
] key, “1 kHz 0 dBs L-ch/R-ch VOLUME: 30” 
(Headphone output when AVLS operates: “1 kHz 0 dBs L-
ch/R-ch VOLUME: 13”) audio signal is outputted.
 
liquid crystal display
MAXOUT
1kHz 0dBs L/Rch
AVLS OFF
HPOUT [ VOL 30]
START
5.  In this state, each time the [OPTION] key is pressed, AVLS 
on.off switch is performed.
6.  Press the [BACK] key, return to minor item selection screen.
4-2-8. Normalizer check
“1 kHz − 24 dBs L-ch/R-ch VOLUME: 30” audio signal is output-
ted.
Checking method:
1.  Enter the test mode.
2. Press 
the 
[
v
]/[
V
] key to select the “AUDIO”, and press the [
B
] 
key to enter the minor item.
3.  Press the [
v
]/[
V
] key to select the “NMLZR”.
4.   Press the [
u
] key, “1 kHz − 24 dBs L-ch/R-ch VOLUME: 
30” audio signal is outputted.
 
liquid crystal display
NMLZR
1kHz–24dBs Lch/Rch
HPOUT [ VOL 30]
START
5.  Press the [BACK] key, return to minor item selection screen.
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