Sony NW-E10 / NW-E7 Service Manual ▷ View online
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)
11
NW-E7/E10
Note on Schematic Diagram:
• All capacitors are in
• All capacitors are in
µ
F unless otherwise noted. pF:
µµ
F
50 WV or less are not indicated except for electrolytics
and tantalums.
and tantalums.
• All resistors are in
Ω
and
1
/
4
W or less unless otherwise
specified.
•
: B+ Line.
• Power voltage is dc 1.5 V and fed with regulated dc power
supply from battery terminal.
• Voltages and waveforms are dc with respect to ground in
playback mode.
no mark : PLAY
no mark : PLAY
∗
: Impossible to measure
• Voltages are taken with a VOM (Input impedance 10 M
Ω
).
Voltage variations may be noted due to normal produc-
tion tolerances.
tion tolerances.
• Waveforms are taken with a oscilloscope.
Voltage variations may be noted due to normal produc-
tion tolerances.
tion tolerances.
• Circled numbers refer to waveforms.
• Signal path.
• Signal path.
J
: DIGITAL
F
: ANALOG
• The voltage and waveform of CSP (chip size package)
cannot be measured, because its lead layout is different
form that of conventional IC.
form that of conventional IC.
*
Replacement of IC601 used in the set requires a special
tool.
tool.
• IC Block Diagrams
z
Waveforms
1
VOLT/DIV : 0.1 V AC
TIME/DIV : 20 nsec
TIME/DIV : 20 nsec
330mVp-p
7.68msec
365mVp-p
16MHz
VOLT/DIV : 0.1 V AC
TIME/DIV : 2 msec
TIME/DIV : 2 msec
2
IC601
oj
CLKIN
IC901
7
XOUT
3
VOLT/DIV : 0.2 V AC
TIME/DIV : 10
TIME/DIV : 10
µ
sec
IC801
3
X2
600mVp-p
32kHz
4
5
6
3
2
1
8
7
SERIAL
PORT
SERIAL
PORT
DE-
EMPHASIS
DIGITAL
VOLUME
CONTROL
BASS/TREBLE
BOOST
MUTING
DIGITAL
FILTERS
FILTERS
Λ
I
DAC
ANALOG
FILTER
ANALOG
VOLUME
CONTROL
DIGITAL
FILTERS
FILTERS
Λ
I
DAC
ANALOG
FILTER
ANALOG
VOLUME
CONTROL
HEAD
PHONE
AMPLIFIER
LRCK
SDATA
SCLK
VD IO
MCLK
SCL
VQ HP
REF GND
15
9
10
11
12
13
14
16
RST
SDA
HP B
VA HP
VA
GND
HP A
FILT+
IC302 CS4343-KSR
12
NW-E7/E10
44
AD0
AD1
AD2
AD3
VCC5
GND
AD4
AD5
AD6
AD7
DRE0
43
42
41
40
39
38
37
36
35
34
DACK
A0
A1
A2
A3
A4
A5
A6
A7
ADSEL
ALE
33
32
31
30
29
28
27
26
25
24
23
22
21
20
19
18
17
16
15
14
13
12
INTR
D15
D14
D13
D12
GND
VCC5
D11
D10
D9
D8
11
10
9
8
7
6
5
4
3
1
D+
D–
VCC3
TEST1
TEST2
XIN
XOUT
CS
RD
WR
RESET
2
IC901 ML60851CTB
USB
TRANSCEIVER
PROTOCOL
ENGINE
END POINT F1F0/
8 BYTE SETUP
REGISTER
OSCILLATOR
APPLICATION
INTERFACE
PLL
STATUS/
CONTROL
4
5
6
3
2
1
8
7
DIVIDING CIRCUIT
DIVIDING CIRCUIT
HIGH VOLTAGE
SWITCHING CIRCUIT
OSCILLATOR FOR
BOOSTING VOLTAGE AND EL DRIVE
VSS
OSC
ENA
VDD
VDD
CHV
OUT1
OUT2
IC701 SM8142BD-EL
19
NW-E7/E10
SECTION 5
EXPLODED VIEWS
NOTE :
• -XX, -X mean standardized parts, so they may
• -XX, -X mean standardized parts, so they may
have some difference from the original one.
• Color indication of Appearance Parts
Example :
KNOB, BALANCE (WHITE) ••• (RED)
KNOB, BALANCE (WHITE) ••• (RED)
↑
↑
Parts color Cabinet’s color
• Items marked “ * ”are not stocked since they
are seldom required for routine service. Some
delay should be anticipated when ordering
these items.
delay should be anticipated when ordering
these items.
• The mechanical parts with no reference
number in the exploded views are not
supplied.
supplied.
Ref. No.
Part No.
Description
Remark
Ref. No.
Part No.
Description
Remark
5-1. MAIN SECTION
1
X-3381-922-1 RECHARGEABLE BATTERY ASSY
2
X-3381-471-2 CASE ASSY, LID...(SILVER) (E7)
2
X-3381-473-2 CASE ASSY, LID...(TITAN) (E10)
3
3-343-254-71 SCREW B1.7x3.5
4
3-233-044-01 FRAME
5
1-682-840-11 SWITCH FLEXIBLE BOARD
6
1-682-841-11 CONNECTOR FLEXIBLE BOARD
7
X-3381-675-1 MAIN BOARD SUB ASSY (E7)
7
X-3381-677-1 MAIN BOARD SUB ASSY (E10)
* 9
3-232-732-01 HOLDER, LCD
* 10
1-804-470-11 DISPLAY PANEL,LIQUID CRYSTAL (E7)
* 10
1-804-559-11 DISPLAY PANEL,LIQUID CRYSTAL (E10)
* 11
1-694-832-11 CONDUCTIVE BOARD, CONNECTION
* 12
1-804-469-11 ELEMENT, EL
13
3-233-050-01 TERMINAL BOARD (–), BATTERY
14
3-233-045-01 PROTECTOR
15
3-233-055-01 PLATE, CONTROL ORNAMENTAL
16
3-233-057-01 BUTTON (VOL)
17
3-236-763-01 KEY TOP
CN902
1-815-741-11 CONNECTOR
1
17
15
3
16
14
13
12
10
11
9
3
7
6
5
3
4
3
2
CN902
• Accessories are given in the last of this
parts list.
• Abbreviation
FR
: French
HK
: Hong Kong
Ver 1.3 2002.11
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