Sony NW-E10 / NW-E7 Service Manual ▷ View online
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
20
NW-E7/E10
Ref. No.
Part No.
Description
Remark
Ref. No.
Part No.
Description
Remark
5-2. CASE SECTION
* 51
3-234-481-01 SHEET (MODE), ADHESIVE
* 52
3-233-060-01 BUTTON (MODE)
53
X-3381-676-1 CASE, SUB ASSY (E7)
53
X-3381-678-1 CASE, SUB ASSY (E10)
* 54
3-233-047-01 WINDOW (LCD)
55
3-233-056-01 SHEET (WINDOW), ADHESIVE
56
3-343-254-71 SCREW B1.7x3.5
* 57
3-233-054-01 ARM (HOLD)
* 58
3-233-058-01 SHAFT (HAND STRAP)
* 59
3-233-052-01 KNOB (HOLD)
52
51
59
58
57
56
55
54
53
not supplied
not supplied
not supplied
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