Sony NW-E10 / NW-E7 Service Manual ▷ View online
13
13
NW-E7/E10
SECTION 4
DIAGRAMS
4-1. BLOCK DIAGRAMS
USB
SWITCH
Q901
2
1
6
7
95
96
97
10
9
8
12
11
44 – 41, 38 – 35
32 – 25
USB
TRANSCEIVER
END POINT FIFO/
8 BYTE SET-UP REGISTER
PROTOCOL
ENGINE
STATUS/
CONTROL
APPLICATION
INTERFACE
OSC
DPLL
19
7
16
9
18
8
17
13
14
15
25
58 69 45
71
6
48
53
59
2
1
3
5
16
12
13
10
9
81
23
22 11
66
29 – 32, 41 – 44
3
54
98
5
7
49
47
67
60
4
8
58
59
57
14
8
1
23
22
49
120
135
SERIAL
PORT
&
DE-
EMPHASIS
DIGITAL
FILTER
&
D/A
CONVERTER
HEADPHONE
AMP
DIGITAL
VOLUME
CONTROL,
BASS/
TREBLE
BOOST,
BOOST,
LIMITING
ANALOG
FILTER
&
ANALOG
VOLUME
CONTROL
14
10
AUDIO
OUTPUT
SWITCH
SWITCH
Q102, 202
MUTING
Q101, 201
MUTING
CONTROL
SWITCH
Q301(2/2)
MUTING
Q302
MUTING
CONTROL
SWITCH
Q301(1/2)
11
60
65
38
LIQUID
CRYSTAL
DISPLAY
B+
OUT2
OUT1
ENA
VOLTAGE
DETECT
IC403
VOLTAGE
DETECT
IC402
124
6
5
4
2
2
3
B+ SWITCH
Q403
+3.2V
REGULATOR
IC405
DC/DC
CONVERTER
IC404
B+ SWITCH
Q405
B+ SWITCH
Q410
B+ ON/OFF
Q412, 413
B+ ON/OFF
Q411, 414
10
15
41
62
: PLAYBACK
CN901
(1/2)
USB
CONNECTOR
X901
48MHz
D+
D+
XIN
XOUT
8
7
USB
CONTROLLER
IC901
AD0 – AD7
RESET
A0 – A7
INTR
CS
RD
WR
D903
I/O1 – I/O8
256M BIT FLASH ROM (E7)
512M BIT FLASH ROM (E10)
512M BIT FLASH ROM (E10)
IC602
RE
WE
WP
CE
CE
CLE
CLE
ALE
R/B
ALE
R/B
D0 – D7
ADDRESS BUS
DATA BUS
2B
2A
2G
2Y3
2Y2
2Y1
2Y0
2 TO 4 DECODER
IC604
D0 – D7
D0 – D7
A0 – A7
A0 – A7
CE
CLE
ALE
R/B
HD4
HD0
HD2
HD1
BDR0
IOSTRB
BFSX2
BCLKX2
BDR2
BDX2
INT2
INT3
BCLKR1
A0 – A7
D0 – D7
DIGITAL SIGNAL
PROCESSOR
IC601
INT1
IS
A15
R/W
RS
41
BCLKR0
36
BFSR1
HD3
X1
X2/CLKIN
43
BFSR0
EEPROM
IC603
CS
WP
SI
SO
SCK
IRQ1
AN0
WKP7
P37
P32
X2
X1
OSC2
OSC1
P90
COM2
COM1
WKP6 – WKP0
CPU
IC801
IRQ0
P33
RES
RXD
TXD
SCK
P36
SEG9 – SEG22
SEG1 – SEG15
X601
16.9344MHz
SWITCH FLEXIBLE BOARD
S802
V1 B+
VBATT+
VOL+ VOL–
X802
8MHz
X801
32.768kHz
ON
OFF
VBATT B+
Q402
VCORE
DSP (IC601)
B+
V2
DSP (IC601),
256M/512M BIT EEPROM (IC602),
EEPROM (IC603),
USB CONTROLLER (IC901)
B+
D/A CONVERTER (IC302)
B+
V1
CPU (IC801)
B+
L301
BCLKX0
BCLKX1
BCLKX1
HD6
BFSXO
BDXO
SDATA
LRCK
BCLK
ACLK
ACLK
HD7
SDATA
SDATA
LRCK
LRCK
BCLK
SCLK
ACLK
MCLK
RST
VA
VA HP
D/A CONVERTER,
HEADPHONE AMP
IC302
HP B
HP A
i
J301
(HEADPHONE)
VBATT
B+
L401
RECHARGEABLE
BATTERY
NICKEL HYDROGEN
1PC, 1.2V
L404
L402
D405
D403
D411
D402
THP401
CN901
(2/2)
6
5
10
VBUS
VSUB
GND
USB
CONNECTOR
D802
HOLD
40 – 26
42 – 48
RESET SIGNAL
GENERATOR
IC802
11
12
131 – 134, 136 – 139
99 – 104, 113, 114
SIGNAL PATH
D–
D–
HD5
BATTERY/USB
CHANGE-OVER
SWITCH
Q401
2
3
8
7
5
OUT
EN
LBI
LBO#
LX
SWITCHING
REGULATOR
IC401
EL ON/OFF
Q701
VOL SWITCH
Q806
VOL CONTROL
IC803
4
2
LED DRIVE
Q905, 906
ACCESS LED CONTROL
IC905
VOL SWITCH
Q804, 805
5
6
3
EL DRIVE
IC701
EL
(LCD BACK LIGHT)
1
4
HEADPHONE
ON/OFF
IC301
ACCESS
14
14
NW-E7/E10
4-2. PRINTED WIRING BOARDS – MAIN SECTION –
D101
F-9
D201
F-8
D401
C-2
D402
F-2
D403
E-2
D405
E-1
D406
B-2
D410
E-2
D411
F-3
D412
E-2
D413
E-2
D701
C-8
D802
C-7
D804
F-9
D811
B-7
D813
E-7
D814
E-7
D815
E-7
D901
B-3
D902
B-3
D903
C-3
D905
F-4
D906
B-2
D907
B-2
IC301
E-7
IC302
F-7
IC401
F-1
IC402
E-1
IC403
E-2
IC404
F-2
IC405
E-2
IC601
B-5
IC602
E-4
IC603
F-5
Ref. No.
Location
z
Semiconductor Location
Note:
• X
: parts extracted from the component side.
•
: Pattern from the side which enables seeing.
(The other layers’ patterns are not indicated.)
Caution:
Pattern face side:
Parts on the pattern face side seen from the
(Side B)
pattern face are indicated.
Parts face side:
Parts on the parts face side seen from the
(Side A)
parts face are indicated.
• Main board is six-layer printed board.
However, the patterns of layers 2 to 5 have not been
included in this diagrams.
included in this diagrams.
Lead layout of
conventional IC
conventional IC
CSP (chip size package)
*
Replacement of IC601 used in the set requires a special
tool.
tool.
• Lead Layouts
surface
: Uses unleaded solder.
2
3
4
5
6
7
8
9
A
1
B
C
D
E
F
R406
R423
C406
C410
C414
C420
C407
C408
C304
C311
C202
C102
C312
C801
C601
C602
C314
C315
C905
C621
C609
C619
C618
C812
C623
C313
C424
C421
C430
C411
C423
C412
R408
C409
C415
C413
C620
C431
C811
C802
C702
C814
C810
C612
C809
C613
C901
R603
R202
R206
R922
R5201
R303
R302
R301
R305
R306
R304
R101
R201
R814
R103
R104
R419
R418
R415
R405
R404
R414
R440
R451
R456
R455
R452
R459
R409
R412
R436
R430
R613
R420
R460
R815
R811
R830
R837
R832
R834
R703
R802 R803 R804 R805 R833
R835
R823
R825
R824
R821
R601
R827
R826
R909
R907
R901
R910
R902
C428 R457
R911
R102
R106
R105
R205
R604
R920
R813
R605
R612
R812
R809
R808
R810
R203
R204
R421
R424
R416
R431
R403
R450
R458
R410
R411
R428
R429
R435
R453
R921
R908
R5202
R5203
R454
R831
R5000
R829
R702
R836
R818
R817
R822
R820
R819
R806
R701
C608
R607
R602
C603
R5100
R610
R609
R903
R904
R422
C310
C301
C305
C302
C101
C201
C429
C622
C404
C416
C422
C427
C813
C815
C816
C804
C805 C806 C807 C808
C615
R5204 R5200
C902
C903
D402
D802
D701
D813
D814
D815
D901
D902
D906
D401
D907
D101
D201
D804
D811
D903
D905
D403
D413
D410
D405
D411
FB301
FB901
FB902
L101
L201
L301
L701
L404
L403
L401
L402
D406
C701
C417
C418
C818
C402
Q411
BCE
Q412
BCE
Q413
BCE
Q414
BCE
Q401
GDS
Q901
BCE
Q905
ECB
Q402
ECB
Q410
BCE
Q701
BCE
Q102
SDG
Q202
SDG
Q906
ECB
Q101 SDG
Q201
SDG
Q804
ECB
Q805
ECB
Q403
Q405
1
1
8
5
1
10
5
10
CN901
X901
X802
X801
X601
1
5
10
11
11
15
12
20
22
25
23
30
30
3534
40
44
IC901
IC803
IC601
*
CN601
Q806
1
3
4
5
IC405
IC403
IC402
1
1
1 2
2
3
3
3
4
4
4
IC802
1
2
3
4
5
IC905
1
3
4
5
IC301
1
3
4
5
1
4
8
5
IC701
1
4
8
5
IC401
IC404
1
48
35 33
30
32
17
20
25
64
60
55
40
49
45
5
10
16
IC801
D412
1
4
8
5
1
5
10
15
20
24
25
30
35
40
45
48
IC603
IC602
1
8
6
5
IC604
1
16
9
12
8
5
IC302
1
16
9
12
8
5
VDR802
VDR801
Q302
Q301
11
(11)
1-682-839-
11
(11)
1-682-839-
MAIN BOARD (SIDE B)
MAIN BOARD (SIDE A)
CN902
EL
(LCD BACK LIGHT)
LCD
RECHAGEABLE BATTERY
NICKEL HYDROGEN
1PC, 1.2V
SWITCH FLEXIBLE BOARD
ACCESS MEGA BASS MODE VOLUME
AVLS
–
+
S802
HOLD
ON
OFF
.
>
B x
S801
(JOG)
(JOG)
S801
(JOG)
(JOG)
J301
i
VDR804
VDR803
VDR805
THP401
S803
RESET
TP608
TP904
TP406
TP903
TP905
TP407
TP401
TP607 TP606 TP605 TP604 TP603 TP602 TP601
TP901
TP810
TP807
TP803
TP808
TP802
TP801
TP302
TP101
TP201
TP804
TP806
TP805
TP301 TP723
TP724
TP809
TP402
TP405
TP403
TP721
TP722
IC604
E-3
IC701
B-7
IC801
B-7
IC802
F-6
IC803
A-7
IC901
B-4
IC905
F-3
Q101
F-6
Q102
F-7
Q201
F-6
Q202
F-7
Q301
F-6
Q302
F-6
Q401
E-1
Q402
E-2
Q403
C-3
Q405
C-3
Q410
E-2
Q411
E-3
Q412
E-3
Q413
E-3
Q414
E-2
Q701
B-7
Q804
A-8
Q805
A-8
Q806
A-6
Q901
B-3
Q905
F-4
Q906
F-4
VDR801
F-6
VDR802
F-6
VDR803
C-5
VDR804
B-5
VDR805
C-7
Ref. No.
Location
Ver 1.1 2002.01
15
15
NW-E7/E10
4-3. SCHEMATIC DIAGRAM – MAIN SECTION (1/2) –
z
See page 17 for Notes.
z
See page 17 for IC Block Diagrams.
z
See page 17 for Waveforms.
SEG9
SEG10
SEG11
SEG12
SEG13
SEG14
SEG15
SEG16
SEG11
SEG12
SEG13
SEG14
SEG15
SEG16
SEG17
WKP0
WKP1
WKP2
WKP3
WKP4
WKP5
WKP6
WKP7
WKP1
WKP2
WKP3
WKP4
WKP5
WKP6
WKP7
P31
P34
P35
P35
P37
VCC
VCC
P91
P92
P93
P94
P95
P90
SEG18
SEG19
SEG20
SEG
21
SEG22
SEG23
SEG
24
SEG
25
COM
1
COM
2
CO
M
3
COM
4
V1
V2
V
3
P32
P33
P33
P36
A1
A2
A3
A4
A5
A6
A7
A0
D8
D9
D10
D11
D12
D13
D14
D15
R819
R820
R821
R822
R823
R824
R825
R817
R818
R802
C814
C809
C810
R803
C806
C807
C808
D813
D814
D
815
D804
D906
D907
D
901
D902
Q701
Q806
R701
R702
R703
C702
L701
R832
R833
R834
R835
R836
R837
C818
D811
C801
C802
C812
C811
R815
VDR805
C815
C816
C805
R829
X802
R5202
R903
R910
R911
R908
R922
D905
C905
R921
C901
C902
C903
R904
X901
R909
D903
R907
R612
C619
C618
C620
R605
VDR801
VDR802
R601
R6
02
R609
R610
R827
C613
X601
R603
C615
C603
V
DR
803
R453
D411
C431
R604
C621
C623
R5201
CN901
R811
C813
R831
D802
R5000
R808
R809
R810
R830
TP601
CN601
R5204
R5203
R814
R613
C601
C602
R806
R804
R805
R805
R902
FB902
FB901
R901
C622
R5100
R5200
VDR804
C609
C608
C701
C804
D701
Q805
Q804
Q901
Q905
Q906
R
812
R
813
R826
R607
S802
R920
X801
CN902
V2 ON
DSP XIRQ
DSP XIRQ
DSP XRST
100
100
100
100
100
100
100
100k
100k
100k
1000p
1000p
1000p
100k
1000p
1000p
1000p
M
AZS
120008S
O
M
AZS120008SO
M
AZS
120008SO
MAZS120008SO
M
AZS120008SO
M
AZS120008SO
M
AZS120008SO
M
AZS120008SO
UNJ9113J
XP1210-TXE
0
47k
10k
0.01
100k
100k
100k
100k
100k
470k
2.2
1SS400TE
10
6.3V
3p
0.1
0.01
1M
0.1
0.1
1000p
100
8MHz
0
1.5k
1M
1M
470k
220
RB520S
4700p
22
0.1
0.1
0.1
1M
48MHz
470k
RB520S
1k
4.7k
0.1
100p
0.1
470k
10k
10k
10k
10k
4.7k
15P
C612
15P
16MHz
0
0.1
0.1
22k
1SS400
100p
4.7k
0.1
1
0
100k
0.1
1k
RB520S
0
10k
10k
10k
470k
0
0
220
100k
10
6.3V
22
4V
100k
100k
100k
100k
22
22
0.1
0
0
0.1
0.1
0.1
0.1
1SS376
UN9214J
UN9113J
UN9113J
UN9214J
UN9114J
100
100
4.7k
1k
1k
32kHz
(TO CR ADLE)
VAU ON
BATT+
BATT-
XRESET
V2
V1
V2 ON
USB XCNCT
VBATT
XLOBATT
VCORE
CVDD XON
VSUB
SUSPEND
VBUS
GND
1
DAC XRST
DAC MUTING
A0
A
1
A
2
A
3
A
4
A
5
A
6
A
7
D
0
D1
D
2
D3
D
4
D
5
D
6
D
7
B
CLK
L
R
C
K
SD
ATA
A
C
LK
D0
D1
D2
D3
D4
D5
D
0
D1
D
2
D
3
D
4
D
5
D6
D
7
D6
D
7
A0
A1
A2
A3
A4
A5
A6
A7
A7
N
C
N
C
N
C
N
C
N
C
V
CC
VS
S
N
C
N
C
I/O
7
I/O
6
I/O
5
I/O
4
I/O
3
I/O
2
I/O
1
N
C
N
C
NC
N
C
N
C
N
C
N
C
N
C
N
C
N
C
N
C
N
C
NC
N
C
N
C
N
C
N
C
N
C
N
C
N
C
N
C
I/O
8
G
N
D
IVA
IN
B
V
CC
O
U
T
G
N
D
IN
B
VC
C
O
U
T
IC602
FLASH ROM
(CSP):Chip Size Package
IN
A
TC58512FT1EL(E7)
TH58100F TI(E10)
VSS
TEST
XRES RSTIC XRST
XRES RSTIC XRST
OSC2 8M
OSC1 8M
X2 32K
X1 32K
PB1
PB
2
AN
O
AVCC
O
R
Q
8
TXD
R
XD
SCK
IR
Q
AEC
VS
S
W
P
VSS
S
I
SCK
S
O
C
S
V
C
C
H
OLD
VSS
OSC
ENA
VDD
OSC
ENA
VDD
LDR
CHV
CHV
OUT1
OUT2
OUT2
VCC
2G
2A
2B
2A
2B
1G
1A
1B
1A
1B
2Y0
1Y0
1Y1
1Y2
1Y3
1Y1
1Y2
1Y3
2Y1
2Y2
2Y3
2Y2
2Y3
BFSR1
BSR1
CVSS
DVDD
BIO
HOLD
IAQ
HOLDA
XF
MSC
IOSTRB
R/W
IS
DS
PS
READY
HR/W
HSC
CVDD
CVSS
DVSS
HAS
CVDD
A15
A14
A13
A12
A11
HD7
A10
DVDD
CVSS
A22
CVSS
MP/MC
A18
A17
A17
DVSS
A16
D5
D4
D3
D2
D1
D0
RS
D4
D3
D2
D1
D0
RS
X2/CLKIN
X1
HD3
CLKOUT
DVSS
TMS
TCK
TRST
TDI
TDO
EMU1/OFF
EMU0
TOUT
HD2
HPIENA
CVDD
CVSS
HPI16
DVSS
DVDD
BDX1
DVDD
BDX1
BFSX1
CLKMD1
CLKMD2
CLKMD3
D
V
SS
A
21
A
9
A
8
A
7
A
6
A
5
A
4
H
D
6
A
3
A
2
A
1
A
0
D
VD
D
H
D
S
2
D
VSS
H
D
S1
CV
SS
C
VD
D
H
D
5
D
15
D
14
D
13
H
D
4
D
12
D
11
D
1
0
D
9
D
8
D
7
D
6
D
V
DD
CV
SS
A
20
A1
19
CV
SS
D
VSS
BC
LKR
0
H
CN
TL0
BFS
R
2
BFS
R0
BC
LKR
2
BD
R
0
H
CN
TL1
BD
R
2
CV
S
S
H
IN
T
CV
D
D
B
FS
X0
BFSX
2
H
R
DY
D
VD
D
D
VS
S
H
D
0
BD
X0
B
D
X
2
IAC
K
H
BIL
N
M
I
IN
T1
INT
2
INT
3
CVD
D
H
D
1
CV
SS
BC
L
KX1
D
VSS
GND
V
CC5
AD
0
AD
1
A
D
2
AD
3
V
CC5
G
ND
A
D
4
AD
5
AD
6
AD
7
D
R
E0
DACK
ADSEL
ALE
D+
D-
VCC3
TEST1
TEST2
XIN
XOUT
CS
RD
WR
RESET
G
N
D
R
/B
R
E
C
E
V
C
C
V
S
S
C
LE
A
LE
W
E
W
P
IC803
TC7SH86FU-TC85R
JOG
PUSH
S801
TC7SH86F U-TC85R
IC701
SM8142BD-EL
IC801
HD6433800A33FPV
IC604
SM74LV139ADGVR
IC603
25LC640XT
IC901
ML60851CTB
BATT-
BATT+
VBUS
GND
BATT-
BATT+
USB ID
USB D+
USB D-
PLAY/VSUB
BASS
MODE
MODE
GND
VOL+
VOL-
VOL-
LED ON
EL DRIVE
CONTROLLER
USB
IC601
PROCESSOR
DIGITAL SIGNAL
TMS320DA150GGU120
EEPROM
CONTROL
SWITCH
USB
VOL SWITCH
VOL SWITCH
VOL SWITCH
EL ON/OFF
*
SYSTEM CONTROL
LED DRIVE
GND
TMS
TCK
XTRST
TDI
TDO
EMU1
EMU0
V2
TCK
XTRST
TDI
TDO
EMU1
EMU0
V2
EL ON
EL
(LCD BACK LIGHT)
- +
VOLUME
AVLS
MEGA BASS
ACCESS
MODE
C
VD
D
MSTRB
BC
LKR
1
BCLKX
0
BCLK
X
2
INT
0
GND
XIRQ1 XLOBATT
IN
TR
KEY GND
IC905
HOLD
VOL CONTROL
1
8
ACCESS LED
Q905,906
LED DRIVE
2 TO 4 DECODER
BOARD
MAIN
(2/2)
BOARD
MAIN
(2/2)
BOARD
MAIN
(2/2)
Ver 1.1 2002.01
16
16
NW-E7/E10
4-4. SCHEMATIC DIAGRAM – MAIN SECTION (2/2) –
z
See page 17 for Notes.
z
See page 17 for IC Block Diagrams.
z
See page 17 for Waveforms.
R403
C404
C406
C407
C408
R406
C409
C410
R409
R410
R421
C411
C423
D405
R408
C412
R418
R419
C421
R420
C422
D403
C424
R450
R451
R452
R454
R457
R458
R459
R460
R455
C428
C429
C430
Q414
Q412
Q413
Q411
THP401
R456
C414
C415
R416
C416
R415
C417
C418
C420
L403
10
µ
H
10
µ
H
L404
R428
R429
Q405
Q403
R436
R430
C427
C413
R435
R412
C817
Q401
Q402
D401
R422
L401
22
µ
H
22
µ
H
D406
D410
D402
D413
D412
L402
10
10
µ
H
R414
R431
C402
R405
R411
R423
R424
S803
R440
Q102
Q101
R306
R106
R104
R103
R105
Q202
Q201
R206
R204
R203
R205
R102
R202
Q302
R101
R201
C101
C201
C302
R305
C301
R301
C314
C305
R302
R303
C313
C315
C310
Q301
R304
J301
D101
L101
47
µ
H
C102
D201
L201
47
µ
H
C202
C304
FB301
C312
C311
L301
10
µ
H
Q410
100k
0.1
33
6.3V
33
6.3V
33
6.3V
100k
0.1
100
6.3V
10k
10k
1k
4700p
0.1
RB520S-30TE61
100k
0.01
680k
330k
1
100k
100p
RB520S-30TE61
0.1
100k
100k
470k
33k
10k
100k
220k
100k
2.2k
1000p
0.01
1
2SC4617-QR
2SC4617-QR
UN9213J
UN9215J
47k
33
6.3V
0.1
100k
47p
33k
10
10
100
6.3V
10k
1k
XN4604-TX
XN4604-TX
100k
220k
0.1
0.1
100k
220k
0.1
S12301DS-T1
UN9213J
MAZS1200OASO
0
RB400D-T146
RB521S-30TE61
RB521S-30TE61
1SS400TE-61
DAN222-TL
0
0
10
68k
1k
100k
100k
0
S12302DS-T1
SSM3K03FE
22k
0
4.7
10k
100k
S12302DS-T1
SSM3K03FE
0
4.7
10k
100k
100
100
XP2501-TX
100
100
0.047
0.047
0.1
470k
0.1
10k
0.1
0.1
47k
47k
1
0.1
1
XP1110-TXE
1M
MAZS120008SO
220
2.5V
MAZS120008SO
220
2.5V
22
4V
4V
1
6.3V
1
6.3V
2SA2018TL
BATT+
BATT-
XRESET
V2 ON
USB XCNCT
VBATT
XLOBATT
VCORE
CVDD XON
VSUB
SUSPEND
VBUS
GND
1
V2
DAC XRST
VAU ON
V1
DAC MUTING
BCLK
LRCK
SDATA
ACLK
CONT
GND
NSPAS
VOUT
VIN
RST
SDA
HP B
VA HP
VA
GND
HP A
LRCK
SDATA
SCLK
SCLK
VD IO
MCLK
MCLK
SCL
REF GND
FILT+
VQ HP
NC
VSS
OUT
VDD
S-80808ANNP-E7Y-T2
NC
VSS
OUT
VDD
IC403
IC402
S-80809ANNP-E7Z-T2
VDD
VSS
CD
OUT
IC802
OUT
LX
GND
EN
FB
LBI
LBI
LBO#
REF
REF
IN
BP
GND
REF
FB
PGND
LX
SHDN#
PWM
LIM
CONT
GND
NSPAS
VIN
VOUT
IC405
IC404
IC401
MAX1674EUA-TG069
MAX1692EUA-TG069
CONVERTER
DC/DC
REGULATOR
+3.2V
REGULATOR
SWITCHING
VOLTAGE
DET
VOLTAGE
DET
+B
SWITCH
+B SWITCH
+B ON/OFF
+B ON/OFF
+B ON/OFF
+B ON/OFF
SWITCH
BATTERY/USB
CHANGE-OVER
+B SWITCH
BATTERY
RECHAGEABLE
NICKEL HYDROGEN
1PC,1.2V
RESET
PST3428UL
RESET SIGNAL
GENERATOR
MM1320FNLE
IC302
IC301
MM1426CNLE
CS4343-KSR
REGULATOR
HEADPHONE
ON/OFF,
+1.8V
AMP
HEADPHONE
D/A CONVERTER,
CONTROL
MUTING
SWITCH
MUTING
MUTING
MUTING
AUDIO
OUTPUT
SWITCH
SWITCH
AUDIO
OUTPUT
SWITCH
SWITCH
BOARD
MAIN
(1/2)
BOARD
MAIN
(1/2)
BOARD
MAIN
(1/2)
Click on the first or last page to see other NW-E10 / NW-E7 service manuals if exist.