Sony NWZ-E473 / NWZ-E473K / NWZ-E474 / NWZ-E474K / NWZ-E475 Service Manual ▷ View online
NWZ-E473/E473K/E474/E474K/E475
21
4-2-5. CH separation (L-ch) check (SEPLR)
“1 kHz 0 dBs L-ch VOLUME: 25” audio signal is outputted.
“1 kHz 0 dBs L-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 “SEPLR”.
4. Press the [
u
] key, “1 kHz 0 dBs L-ch VOLUME: 25” audio
signal is outputted.
AUDIO SEPLR
1kHz 0dBs Lch
HPOUT [ VOL: 25 ]
START
Screen display
5. Press the [BACK] key, return to minor item selection screen.
4-2-6. CH separation (R-ch) check (SEPRL)
“1 kHz 0 dBs R-ch VOLUME: 25” audio signal is outputted.
“1 kHz 0 dBs 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 “SEPRL”.
4. Press the [
u
] key, “1 kHz 0 dBs R-ch VOLUME: 25” audio
signal is outputted.
AUDIO SEPRL
1kHz 0dBs Rch
1kHz 0dBs Rch
HPOUT [ VOL: 25 ]
START
Screen display
5. Press the [BACK] key, return to minor item selection screen.
4-2-7. Maximum output check (MAXOUT)
“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.
“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 [
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 “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.
ch/R-ch VOLUME: 13”) audio signal is outputted.
AUDIO MAXOUT
1kHz 0dBs L/Rch
HPOUT [ VOL: 30 ]
AVLS OFF
START
Screen display
5. In this state, each time the [
B
] 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 (NMLZR)
“1 kHz –24 dBs L-ch/R-ch VOLUME: 30” audio signal is output-
ted.
“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 [
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 “NMLZR”.
4. Press
the
[
u
] key, “1 kHz –24 dBs L-ch/R-ch VOLUME: 30”
audio signal is outputted.
AUDIO NMLZR
1kHz -24dBs L/Rch
HPOUT [ VOL: 30 ]
HPOUT [ VOL: 30 ]
START
Screen display
5. Press the [BACK] key, return to minor item selection screen.
NWZ-E473/E473K/E474/E474K/E475
22
4-2-9. Sound pressure regulation level check (SPCHK)
“1 kHz 0 dBs L-ch/R-ch VOLUME: 30” audio signal is outputted.
“1 kHz 0 dBs L-ch/R-ch 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
] keys to select the “AUDIO”, and press the
[
B
] key to enter the minor item.
3. Press the [
v
]/[
V
] keys to select the “SPCHK”.
4. Press the [
u
] key, “1 kHz 0 dBs L-ch/R-ch VOLUME: 30”
audio signal is outputted.
AUDIO SPCHK
1kHz 0dBs L/Rch
HPOUT [ VOL: 30 ]
START
Screen display
5. Press the [BACK] key, return to minor item selection screen.
4-2-10. Speaker check
“20
“20
20kHz 0dBs L-ch/R-ch VOLUME: 30” audio signal is out-
putted.
Note: Not used for the servicing.
4-2-11. User specifi cation contents playback 1 (USER1)
“/User1.oma” is reproduced.
“/User1.oma” is reproduced.
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 “USER1”.
4. Press the [
u
] key, “/User1.oma” is reproduced.
(Displayed values in the following fi gure are example)
AUDIO USER1
HPOUT [ VOL: 15 ]
00:02
START
Screen display
Repetition except the totaling time
5. Press the [BACK] key, return to minor item selection screen.
4-2-12. User specifi cation contents playback 2 (USER2)
“/User2.oma” is reproduced.
“/User2.oma” is reproduced.
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 “USER2”.
4. Press the [
u
] key, “/User2.oma” is reproduced.
(Displayed values in the following fi gure are example)
AUDIO USER2
HPOUT [ VOL: 15 ]
00:02
START
Screen display
Repetition except the totaling time
5. Press the [BACK] key, return to minor item selection screen.
4-2-13. User specifi cation contents playback 3 (USER3)
“/User3.oma” is reproduced.
“/User3.oma” is reproduced.
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 “USER3”.
4. Press the [
u
] key, “/User3.oma” is reproduced.
(Displayed values in the following fi gure are example)
AUDIO USER3
HPOUT [ VOL: 15 ]
00:02
START
Screen display
Repetition except the totaling time
5. Press the [BACK] key, return to minor item selection screen.
NWZ-E473/E473K/E474/E474K/E475
23
4-3. Video (VIDEO)
MATAPP (X.XX.XX)
Screen display
POWER
AUDIO
VIDEO
OTHER
CLESTE
DAC
DIREC
FM
SHUTDOWN
EXITTEST
LCD
USER1
USER2
USER3
USER1
USER2
USER3
4-3-1. LCD display check (LCD)
Screen display is checked.
Screen display 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 “VIDEO”, and press the
[
B
] key to select the “LCD”.
3. Press the [
u
] key, all black is displayed on the screen.
4. In this state, each time the [OPTION] key is pressed, the screen
display changes in the following order.
All black (default)
Color bar (standard) Color bar
(brightness minimum)
Color bar (brightness maximum)
All red
All green All blue All white Maximum
drawing size confi rmation
diagonal gradation (red) di-
agonal gradation (green)
diagonal gradation (blue) di-
agonal gradation (white)
Maximum drawing size confi rmation:
All blue (All sides are red) is displayed. Whether red in all
sides is seen is confi rmed.
sides is seen is confi rmed.
5. In this state, each time the [
B
] key is pressed, brightness min/
max/middle switch is performed.
6. Press the [BACK] key, return to minor item selection screen.
4-3-2. User specifi cation contents playback 1 (USER1)
“/User1.mp4” is reproduced.
“/User1.mp4” is reproduced.
Checking method:
1. Enter the test mode.
2. Press the [
1. Enter the test mode.
2. Press the [
v
]/[
V
] keys to select the “VIDEO”, 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.mp4” is reproduced.
(Displayed characters/values in the following fi gure are ex-
ample)
ample)
VIDEO USER1
HPOUT [ VOL: 15 ]
[WIFI: OFF]
[CHARGE: AC]
00:25
START
Screen display
Repetition except the totaling time
5. Press the [BACK] key, return to minor item selection screen.
4-3-3. User specifi cation contents playback 2 (USER2)
“/User2.mp4” is reproduced.
“/User2.mp4” is reproduced.
Checking method:
1. Enter the test mode.
2. Press the [
1. Enter the test mode.
2. Press the [
v
]/[
V
] keys to select the “VIDEO”, 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.mp4” is reproduced.
(Displayed characters/values in the following fi gure are ex-
ample)
ample)
VIDEO USER2
HPOUT [ VOL: 15 ]
[WIFI: OFF]
[CHARGE: AC]
00:25
START
Screen display
Repetition except the totaling time
5. Press the [BACK] key, return to minor item selection screen.
4-3-4. User specifi cation contents playback 3 (USER3)
“/User3.mp4” is reproduced.
“/User3.mp4” is reproduced.
Checking method:
1. Enter the test mode.
2. Press the [
1. Enter the test mode.
2. Press the [
v
]/[
V
] keys to select the “VIDEO”, 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.mp4” is reproduced.
(Displayed characters/values in the following fi gure are ex-
ample)
ample)
VIDEO USER3
HPOUT [ VOL: 15 ]
[WIFI: OFF]
[CHARGE: AC]
00:25
START
Screen display
Repetition except the totaling time
5. Press the [BACK] key, return to minor item selection screen.
NWZ-E473/E473K/E474/E474K/E475
24
4-4. Other (OTHER)
MATAPP (X.XX.XX)
Screen display
POWER
AUDIO
VIDEO
OTHER
CLESTE
DAC
DIREC
FM
SHUTDOWN
EXITTEST
CLOCK
KEY
KEYNUM
FORMAT
DEST
SPSET
FWVER
NCAPCHK
KEY
KEYNUM
FORMAT
DEST
SPSET
FWVER
NCAPCHK
4-4-1. Clock check (CLOCK)
The movement of an internal clock is confi rmed.
The movement of an internal clock is confi rmed.
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 “CLOCK”.
4. Press the [
u
] key, date and time are displayed.
“START” changes into “OK” if the movement of an internal
clock is confi rmed.
clock is confi rmed.
(Displayed characters/values in the following fi gure are ex-
ample)
ample)
OTHER CLOCK
Sat, Jan 07 2012
19:01:11.824304
19:01:11.824304
OK
Screen display
Date
Time
5. Press the [BACK] key, return to minor item selection screen.
4-4-2. Key check (KEY)
The operation of the key is confi rmed.
The operation of the key is confi rmed.
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 “KEY”.
4. Press the [
u
] key, all keys are displayed.
OTHER KEY
UP
PLAY
DOWN
START
VOL+
FF VOL-
REW
OPTION
HOLD
BACK
Screen display
5. The character corresponding to the key is selected every time
the key is pressed. “OK” is displayed if all keys are pressed.
6. Slide the [HOLD] key from ON to OFF, return to minor item
selection screen.
4-4-3. Frequency check that presses key (KEYNUM)
The frequency to which the key is pressed, insert/pull out frequen-
cy of cradle and insert/pull out frequency of the headphone are
displayed.
The frequency to which the key is pressed, insert/pull out frequen-
cy of cradle and insert/pull out frequency of the headphone are
displayed.
Note: Not used for the servicing.
4-4-4. Format (FORMAT)
The user’s area is formatted, and ICV for the video and ICV for
audio are initialized.
The user’s area is formatted, and ICV for the video and ICV for
audio are initialized.
Note: Not used for the servicing.
Format the set from “Settings”
“Common settings” “Reset/
Format”
“Format” when it home menu in usually operates when
the set should format it.
4-4-5. Destination setting (DEST)
The destination setting, language information, and sound pressure
regulation information are written in the NAND fl ash memory.
The destination setting, language information, and sound pressure
regulation information are written in the NAND fl ash memory.
Note: Not used for the servicing.
4-4-6. Sound pressure regulation setting (SPSET)
ON/OFF of sound pressure regulation is confi rmed.
ON/OFF of sound pressure regulation is confi rmed.
Note: Not used for the servicing.
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