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Model
NWZ-E473 NWZ-E473K NWZ-E474 NWZ-E474K NWZ-E475
Pages
36
Size
3.21 MB
Type
PDF
Document
Service Manual
Brand
Device
Audio
File
nwz-e473-nwz-e473k-nwz-e474-nwz-e474k-nwz-e475.pdf
Date

Sony NWZ-E473 / NWZ-E473K / NWZ-E474 / NWZ-E474K / NWZ-E475 Service Manual ▷ View online

NWZ-E473/E473K/E474/E474K/E475
25
4-4-7.  Firmware version check (FWVER)
The fi rmware version is displayed.
Checking method:
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 “FWVER”.
4.  Press the [
u
] key, the fi rmware version is displayed.
 
(Displayed characters/values in the following fi gure are ex-
ample)
 
OTHER FWVER
1.00.00
MODEL NAME
NWZ-E475
SERIAL NO
2222278
Screen display
Firmware version
Model name
Serial No.
5.  Press the [BACK] key, return to minor item selection screen.
4-4-8.  NAND capacity check (NCAPCHK)
Capacity of NAND fl ash memory, present bad block, maximum 
bad block, and vender ID are displayed. 
Checking method:
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 “NCAPCHK”.
4. Press the [
u
] key, capacity of NAND fl ash memory, present 
bad block, maximum bad block, and vender ID are displayed.
 
(Displayed characters/values in the following fi gure are ex-
ample)
 
OTHER NCAPCHK
13.6GB
BADBLOCK
CUR(0)/MAX(0)
VENDOR(0x000045)
UNKNOWN
Screen display
Capacity of NAND flash memory
Number of present bad block
(It makes an error the acquisition of
 the number of bad blocks at “-1”)
Number of maximum bad block
(It makes an error the acquisition of
 the vendor information at “-1”)
Vendor ID of NAND flash memory
(It makes an error the acquisition of
 the vendor information at “-1”)
Vendor name of NAND flash memory
5.  Press the [BACK] key, return to minor item selection screen.
4-5. CLESTE
 
MATAPP (X.XX.XX)
Screen display
POWER
AUDIO
VIDEO
OTHER
CLESTE
DAC
DIREC
FM
SHUTDOWN
EXITTEST
WCABLE
WOCABLE
4-5-1.  Clear stereo setting (With cable) (WCABLE)
This mode is according to an original sound playback, for adjust-
ment to right and left sound.
Note: Not used for the servicing.
4-5-2.  Clear stereo setting (No cable) (WOCABLE)
This mode is according to an original sound playback, for adjust-
ment to right and left sound.
Note: Not used for the servicing.
4-6. DAC
 
MATAPP (X.XX.XX)
Screen display
POWER
AUDIO
VIDEO
OTHER
CLESTE
DAC
DIREC
FM
SHUTDOWN
EXITTEST
B-GAIN
T-GAIN
4-6-1.  BASS-Gain/Fc setting (B-GAIN)
This mode is adjustment for the sound of BASS when playback.
Note: Not used for the servicing.
4-6-2.  TREBLE-Gain/Fc setting (T-GAIN)
This mode is adjustment for the sound of TREBLE when playback.
Note: Not used for the servicing.
NWZ-E473/E473K/E474/E474K/E475
26
4-7. DIREC
 
MATAPP (X.XX.XX)
Screen display
POWER
AUDIO
VIDEO
OTHER
CLESTE
DAC
DIREC
FM
SHUTDOWN
EXITTEST
OUTPUT
REC
PLAY
FORMAT
MICCHK
4-7-1.  Direct recording output check (OUTPUT)
In this mode, the output confi rmation  is done.
Note: Not used in this model.
4-7-2.  Direct recording recording (REC)
In this mode, it records by the format specifi ed in “Direct recording format 
select”.
Note: Not used in this model.
4-7-3.  Direct recording playback (PLAY)
In this mode, the sound recorded in “Direct recording recording” is repro-
duced.
Note: Not used in this model.
4-7-4.  Direct recording format select (FORMAT)
In this mode, the recording format is selected.
Note: Not used in this model.
4-7-5.  Built-in microphone check (MICCHK)
In this mode, the built-in microphone is checked.
Checking method:
1.  Enter the test mode.
2.  Press the [
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.
 
MIC -> HP
[ VOL: 25 ]
Screen display
5.  Press the [BACK] key, return to minor item selection screen.
4-8. FM
 
MATAPP (X.XX.XX)
Screen display
POWER
AUDIO
VIDEO
OTHER
CLESTE
DAC
DIREC
FM
SHUTDOWN
EXITTEST
RCVCHK
4-8-1.  Reception output check (RCVCHK)
FM tuning checked.
Checking method:
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.
 
(Displayed values in the following fi gure are example)
 
FM RCV CHK
90.00 MHz
[ VOL: 30 ]
[RSSI: 0]
[ Sense-H: 18 ]
[ Sense-L: 43 ]
Screen display
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.
4-9. Shutdown (SHUTDOWN)
Function that power supply of set can be turned off without ending 
static test mode.
Procedure:
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.
27
NWZ-E473/E473K/E474/E474K/E475
SECTION  4
EXPLODED  VIEWS
  1 
4-422-448-01  CAP (BLACK) . . . (BLACK)
  1 
4-422-448-11  CAP (WHITE) . . . (YELLOW, WHITE)
  1 
4-422-448-21  CAP (BLUE) . . . (BLUE (PATTERN), BLUE)
  1 
4-422-448-31  CAP (VIVID PINK) . . . (VIVID PINK (PATTERN))
  1 
4-422-448-41  CAP (LIGHT PINK) . . . (LIGHT PINK)
  1 
4-422-448-51  CAP (GOLD) . . . (GOLD)
  1 
4-422-448-71  CAP (RED) . . . (RED (PATTERN))
  1 
4-422-448-81  CAP (GREEN) . . . (GREEN (PATTERN))
 2 
4-427-252-01 SHEET 
(CAP), 
ADHESIVE
 3 
3-234-449-05 SCREW 
(M1.4)
  4 
3-234-449-47  SCREW (M1.4) (for EXCEPT BLACK)
  4 
3-234-449-71  SCREW (M1.4) (for BLACK)
  Ref. No. 
Part No. 
Description 
Remark
  Ref. No. 
Part No. 
Description 
Remark
Note:
•  -XX and -X mean standardized parts, so 
they may have some difference from the 
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.
•  The mechanical parts with no reference 
number in the exploded views are not sup-
plied.
•  Color Indication of Appearance Parts Ex-
ample:
  KNOB, BALANCE (WHITE) . . . (RED)
   
 
 
   
 
Parts Color  Cabinet’s Color
• Refer to “COLOR VARIATION” in the 
“SERVICING NOTES” (page 7) about col-
or variation of model and destination.
4-1.  CAP  SECTION
•  Rear side view
• Abbreviation
 AUS : 
Australian 
model
  CH 
: Chinese model
  CND  : Canadian model
  EE 
: East European model
  IND 
: Indian model
 JE  : 
Tourist 
model
  MX 
: Mexican model
1
2
3
3
4
4
panel (rear) section
front cabinet section
Ver. 1.1
28
NWZ-E473/E473K/E474/E474K/E475
4-2.  PANEL (REAR)  SECTION (NWZ-E473/E473K)
  51 
9-885-171-77  SVX PANEL (REAR) ASSY (for BLACK)
 (E, AUS, JE)
  51 
9-885-171-78  SVX PANEL (REAR) ASSY (for RED (PATTERN))
 (E, AUS, JE)
  51 
9-885-171-79  SVX PANEL (REAR) ASSY (for BLUE (PATTERN))
 (E, AUS, JE)
  51 
9-885-171-80  SVX PANEL (REAR) ASSY
 (for VIVID PINK (PATTERN)) (E, AUS, JE)
  51 
9-885-171-81  SVX PANEL (REAR) ASSY (for GOLD)
 (E, AUS, JE)
  51 
9-885-171-82  SVX PANEL (REAR) ASSY
 (for GREEN (PATTERN)) (E, AUS, JE)
  51 
9-885-171-83  SVX PANEL (REAR) ASSY (for BLACK) (US)
  51 
9-885-171-84  SVX PANEL (REAR) ASSY (for RED (PATTERN))
 (US)
  51 
9-885-171-85  SVX PANEL (REAR) ASSY (for BLACK) (CND)
  51 
9-885-171-86  SVX PANEL (REAR) ASSY (for GOLD)
 (AEP (Quriocity version), UK (Quriocity version))
  51 
9-885-171-87  SVX PANEL (REAR) ASSY (for GOLD) (AEP, UK)
  51 
9-885-171-88  SVX PANEL (REAR) ASSY (for BLACK) (AEP, UK)
  51 
9-885-171-89  SVX PANEL (REAR) ASSY (for RED (PATTERN))
 (AEP, UK)
  51 
9-885-171-90  SVX PANEL (REAR) ASSY (for BLUE (PATTERN))
 (AEP, UK)
  51 
9-885-171-91  SVX PANEL (REAR) ASSY
 (for GREEN (PATTERN)) (AEP, UK)
  51 
9-885-171-92  SVX PANEL (REAR) ASSY
 (for VIVID PINK (PATTERN)) (AEP, UK)
  51 
9-885-171-93  SVX PANEL (REAR) ASSY (for BLACK) (EE)
  51 
9-885-171-94  SVX PANEL (REAR) ASSY (for RED (PATTERN))
 (EE)
  51 
9-885-171-95  SVX PANEL (REAR) ASSY (for BLUE (PATTERN))
 (EE)
  51 
9-885-171-96  SVX PANEL (REAR) ASSY
 (for VIVID PINK (PATTERN)) (EE)
  51 
9-885-171-97  SVX PANEL (REAR) ASSY (for GOLD) (EE)
  51 
9-885-171-98  SVX PANEL (REAR) ASSY (for BLACK)
 (AEP (Quriocity version), UK (Quriocity version))
  51 
9-885-171-99  SVX PANEL (REAR) ASSY (for RED (PATTERN))
 (AEP (Quriocity version), UK (Quriocity version))
  51 
9-885-172-00  SVX PANEL (REAR) ASSY (for BLUE (PATTERN))
 (AEP (Quriocity version), UK (Quriocity version))
  51 
9-885-172-01  SVX PANEL (REAR) ASSY
 (for GREEN (PATTERN))
 (AEP (Quriocity version), UK (Quriocity version))
  51 
9-885-172-02  SVX PANEL (REAR) ASSY 
(for VIVID PINK (PATTERN))
 (AEP (Quriocity version), UK (Quriocity version))
  51 
9-885-172-03  SVX PANEL (REAR) ASSY (for BLACK) (MX)
  51 
9-885-172-04  SVX PANEL (REAR) ASSY (for RED (PATTERN))
 (MX)
  51 
9-885-172-05  SVX PANEL (REAR) ASSY (for BLUE (PATTERN))
 (MX)
  51 
9-885-172-06  SVX PANEL (REAR) ASSY
 (for VIVID PINK (PATTERN)) (MX)
  51 
9-885-172-07  SVX PANEL (REAR) ASSY
 (for GREEN (PATTERN)) (MX)
  52 
4-422-438-01  BUTTON VOL (+, −) (BLACK) . . . (BLACK)
  52 
4-422-438-21  BUTTON VOL (+, −)
 (BLUE) . . . (BLUE (PATTERN))
  52 
4-422-438-31  BUTTON VOL (+, −)
 (VIVID PINK) . . . (VIVID PINK (PATTERN))
  52 
4-422-438-51  BUTTON VOL (+, −) (GOLD) . . . (GOLD)
  52 
4-422-438-71  BUTTON VOL (+, −) (RED) . . . (RED (PATTERN))
  52 
4-422-438-81  BUTTON VOL (+, −)
 (GREEN) . . . (GREEN (PATTERN))
 53 
4-422-441-01 SHEET 
(VOL), 
ADHESIVE
  54 
4-422-439-01  KNOB HOLD (BLACK) . . . (BLACK)
  54 
4-422-439-21  KNOB HOLD (BLUE) . . . (BLUE (PATTERN))
 54 
4-422-439-31 KNOB 
HOLD
 (VIVID PINK) . . . (VIVID PINK (PATTERN))
  54 
4-422-439-51  KNOB HOLD (GOLD) . . . (GOLD)
  54 
4-422-439-71  KNOB HOLD (RED) . . . (RED (PATTERN))
  54 
4-422-439-81  KNOB HOLD (GREEN) . . . (GREEN (PATTERN))
 55 
4-422-440-01 SUPPORT 
HOLD
 56 
4-435-416-21 SPACER, 
REAR
 57 
4-435-416-01 SPACER, 
REAR
 58 
4-435-416-11 SPACER, 
REAR
  Ref. No. 
Part No. 
Description 
Remark
  Ref. No. 
Part No. 
Description 
Remark
51
56
53
56
53
52
57
55
57
54
58
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