Sony NWZ-S636F / NWZ-S636FK / NWZ-S638F / NWZ-S639F / NWZ-S736F / NWZ-S738F / NWZ-S739F Service Manual ▷ View online
NWZ-S636F/S636FK/S638F/S639F/S736F/S738F/S739F
9
3-6. SW/AU BOARD
Note 1: This illustration sees set from rear side.
q; knob (NC)
knob (NC)
switch
(S871)
(S871)
switch (S871)
1 sheet (SW-PWB)
qa SW/AU board
9 front assy
2 holder (A)
5
3 HP flexible print board
(CN301)
4 claw
(NWZ-S736F/S738F/S739F only)
Note 2:
On installation of SW/AU board, adjust the
position of switch (S871) and knob (NC).
3-5. KEY FLEXIBLE PRINT BOARD, LCD ASSY
Note 1: This illustration sees set from rear side.
5 two self tap screws
9 key flexible print board
8 spacer (VOL)
qa spacer (holder)
qd LCD assy
knob (hold)
knob(hold)
switch
switch
qs battery block
6 two claws
7
q;
2
4 holder (B)
1 sheet (main-PWB)
3 adhesive sheet (holder)
Note 3: On installation of key flexible print
board, adjust the position of switch
and
knob
(hold).
Note 2: When installing the self tap screw, refer to
“NOTE OF INSTALLING THE SELF TAP
SCREW”
(supplement-2).
Ver. 1.3
NWZ-S636F/S636FK/S638F/S639F/S736F/S738F/S739F
10
SECTION 4
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 1.5 seconds or more, the home menu
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
4. While pressing the [OPTION] key, press the key as following
order.
[
v
]
→ [
u
]
→ [
B
]
→ [
u
]
→ [
V
]
→ [
u
]
→ [
b
]
→ [
u
]
→
[
v
]
→ [
u
]
→ [
V
]
→ [
u
]
5. The set reboots when the [HOLD] key is slided to set the hold
off, and the color bar is displayed in the liquid crystal display.
6. Enter the test mode when the [BACK] key is pressed in the
state of step 5.
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
] key 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:
<>/ <>
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 (POWER)
4-1. Power (POWER)
liquid crystal display
MPTAPP (X.XX.XX)
POWER
VCHK
AUDIO
ACHK
VIDEO
DSVCHK
OTHER
CHGCHK
CLESTE
BATTCHK
DAC
FM
NC
SHUTDOWN
EXITTEST
FM
NC
SHUTDOWN
EXITTEST
Note: Item of “NC” is displayed only by NWZ-S736F/S738F/S739F.
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
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
POWER VCHK
START
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
(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
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 VOLUE: 15”
audio signal is outputted.
liquid crystal display
POWER ACHK
1kHz 0dBs L/Rch
HPOUT [ VOL: 15 ]
START
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.
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.
chance, the source of information is specifi ed.
NWZ-S636F/S636FK/S638F/S639F/S736F/S738F/S739F
11
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
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.
liquid crystal 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
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 charge setting is displayed.
liquid crystal display
POWER 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.
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
] 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
POWER BATTCHK
X.XXXV
X.XXXV: Battery voltage
5. Press the [BACK] key, return to minor item selection screen.
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 [VOL +] key to switch the HP/LINE.
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.
liquid crystal display
MPTAPP (X.XX.XX)
POWER
AUDIO
AUDIO
OUTPUT
VIDEO
SN
OTHER
F1
CLESTE
F2
DAC
SEPLR
FM
SEPRL
NC
MAXOUT
SHUTDOWN NMLZR
EXITTEST SPCHK
EXITTEST SPCHK
USER1
USER2
USER3
Note: Item of “NC” is displayed only by NWZ-S736F/S738F/S739F.
NWZ-S636F/S636FK/S638F/S639F/S736F/S738F/S739F
12
4-2-1. Output check (OUTPUT)
“1 kHz 0 dBs L-ch/R-ch VOLUME: 25” audio signal is output-
ted.
“1 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
] 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
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: 30” audio signal is outputted.
“Infi nity Zero VOLUME: 30” audio signal is outputted.
Checking method:
1. Enter the test mode.
2. Press the [
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, “Infi nity Zero VOLUME: 30” audio signal
is outputted.
liquid crystal display
AUDIO 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 (F1)
“20 Hz 0 dBs L-ch/R-ch VOLUME: 25” audio signal is output-
ted.
“20 Hz 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
] 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
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
] 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 kHz 0 dBs L-ch/R-ch VOLUME: 25”
audio signal is outputted.
liquid crystal 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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