Sony NW-E2 / NW-E3 Service Manual ▷ View online
– 15 –
– 16 –
– 18 –
– 17 –
NW-E3
Note:
• 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
4-3. SCHEMATIC DIAGRAM – MAIN SECTION –
z
IC Block Diagram (MAIN SECTION)
IC810 M66290FP
1
2
3
4
5
6
7
8
9
10
11
12
13
36
35
34
33
32
31
30
29
28
27
26
25
14 15 16
17 18 19 20 21 22
23 24
USB
TRANSCEIVER
SERIAL
INTERFACE
ENGINE
USB
PERIPHERAL
CIRCUIT
CLOCK
CONTROL
(OSCILLATOR/
PLL)
TCK
XTRST
TEST1
TR_ON
VBUS
GND
VCC
D+
TMS
TDI
TDO
GND
XIN
XOUT
VCC
A1
A2
A3
A4
A5
A6
D0
D1
D0
D1
48 47 46 45 44 43 42 41
40 39 38 37
XRST
DREQ
DACK
XCS
XWR
XRD
XINT
TEST2
D15
D14
D13
D12
DREQ
DACK
CS
WR
RD
INT
D15
D14
D13
D12
D –
D2
D3
D4
D5
D6
D7
D8
D9
D10
D11
D2
D3
D4
D5
D6
D7
D8
D9
D10
D11
VCC
GND
DACK
DREQ
CS
WR
RD
INT
DEVICE
CONTROL
UNIT
END POINT
BUFFER
(3k BYTE FIFO)
CPU
REGISTER
*
Replacement of IC710 used in the set requires a spe-
cial tool.
cial tool.
• The voltage and waveform of CSP (chip size package) can-
not be measured, because its lead layout is different form
that of conventional IC.
that of conventional IC.
Ver 1.1 2000.07
– 21 –
– 22 –
– 19 –
– 20 –
NW-E3
4-4. SCHEMATIC DIAGRAM – POWER SECTION –
Note:
• 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.
• Circled numbers refer to waveforms.
• Signal path.
• Circled numbers refer to waveforms.
• Signal path.
F
: ANALOG
J
: DIGITAL
z
Waveform
1
VOLT/DIV : 1 V AC
TIME/DIV : 2
TIME/DIV : 2
µ
sec
3.6Vp-p
100kHz
z
IC Block Diagrams (POWER SECTION )
IC301 AK4352VT-E2
SERIAL
INPUT
INTERFACE
CLOCK DIVIDER
15 VCML
14 AOUTL
13
11
LPF
12
10 VDD
VREF
VCMR
AOUTR
9
VSS
CKS
16
2
3
4
6
5
7
8
XPD
BLCK
DEM
DIF1
DIF0
SDATA
LRCK
MCLK 1
LPF
∆ Σ
MODULATOR
∆ Σ
MODULATOR
8X
INTERPOLATOR
8X
INTERPOLATOR
DE-EMPHASIS
CONTROL
IC302 TA2131FL-EL
V REF
MT
SW
BST
SW
BEEP
19
20
21
22
23
24
18
17
16
15
14
13
PW
SW
SW
12
11
10
8
7
BST1
9
BST2
6
5
4
3
2
1
BST
AGC
PW
B
PW
A
ADD
TC MT
VCC1
INB
INA
BEEP
OUTB
BEEP
OUTA
VCC2
OUTA
PWR
GND
OUTB
DET
AGC IN
BST OUT
BST NF2
LPF2
BST NF1
LPF1
VREF
VREF IN
GND
BEEP IN
BST SW
MUTE
PWSW
IC950 XC6368A301MR
+
–
VREF WITH
SOFT START,
CE
PHASE
COMPENSTATION
PWM
COMPARATOR
ERROR AMP.
PWW/PFM
CONTROLER
RAMP WAVE
GENERATOR,
OSC
BUFFER,
DRIVER
5
4
3
2
1
VOUT
VDD
CE
GND
EXT
+
–
Ver 1.1 2000.07
– 23 –
– 24 –
NW-E3
4-5. PRINTED WIRING BOARDS – POWER SECTION –
D101
D-7
D201
D-7
D301
C-2
D701
G-6
D901
E-5
D902
E-5
D903
D-5
D904
D-5
D906
G-3
D961
F-6
D962
G-5
IC301
C-5
IC302
B-6
IC910
E-3
IC950
G-5
IC960
F-5
IC970
F-6
Q301
B-5
Q701
F-5
Q702
F-5
Q901
D-3
Q902
G-6
Q904
H-6
Ref. No.
Location
z
Semiconductor
Location
02
FB201
FB101
TP917
TP202
TP310
TP911
TP713
TP712
TP709
TP705
TP704
TP703
TP305
TP912
TP304
TP302
TP101
TP907
TP307
TP905
TP102
TP902
TP309
TP308
TP904
TP906
TP903
TP910
19
20
TP909
TP901
TP301
TP201
TP915
TP303
TP306
TP701
TP908
TP920
TP918
TP916
TP707
TP914
TP710
TP913
TP702
TP706
TP708
TP711
R909
R911 C927
R904
R905
C701
C919
D906
D301
L917
L911
T901
L915
L912
J301
i
S799
>
S798
.
.
Q901
25
30
36
1
1
5
10 12
5
10
15
18
35
IC910
3
4
3
3
1
1
2
2
IC960
IC970
1
2
3
4
5
IC950
CN705
S704
VOLUME–
S705
PLAY MODE
S706
DISPLAY
S703
VOLUME+
S702
MEGA BASS/AVLS
LIQUID CRYSTAL DISPLAY
S800
HOLD.
S797
B x
[LCD UNIT]
1
2
3
CN1
R711
R710
R703
R702
R104
R105
R202
R102
R901
R915
R907
R720
R951
R709
R704
R706
R914
R707
R705
JC006
R906
R201
R101
R205
R203
R103
R204
R310
BCE
Q301
C310
C312
C201+
C101+
C928
C912 R931
C952
C306
C922
C929
C920
JC005
C918
C921
C961
C933
C953
C935
C917
C302
C304
C307
C103
C203
C330
C309
C314 +
C313 +
+ C311
C202
D201
D101
JC003
JC001
L350
L916
L913
L914
C925
C926
C911
C914
C924
C951
C913
C934
C932
C308
C102
D903
D904
D901
D902
D961
D701
BCE
Q702
1
5
6
7
10
12
12
13 15
18
19
20
24
IC302
1
5
8
16
12
9
IC301
2
1
5
10
15
20
25
30
29
CN704
A
MAIN BOARD
CN702
(Page 13)
Q701
G
S
D
Q902
G
S
D
DRY BATTERY
SIZE "AAA"
(IEC DESIGNATION LR03)
1PC, 1.5V
12
(12)
1-678-090-
12
(12)
1-678-090-
2
3
4
5
6
7
8
A
1
B
C
D
E
F
G
H
BCE
Q904
R913
R971
C301
C303 C305
D962
POWER BOARD (SIDE B)
POWER BOARD (SIDE B)
11
1-678-091-
MODE SWITCH
FLEXIBLE BOARD
Note:
• X
: parts extracted from the component side.
•
z
: Through hole.
•
: 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.
• Power board is four-layer printed board.
However, the patterns of layers 2 and 3 have not been
included in this diagrams.
included in this diagrams.
Ver 1.1 2000.07
– 25 –
SECTION 5
EXPLODED VIEWS
NOTE :
• -XX, -X mean standardized parts, so they
• -XX, -X mean standardized parts, so they
may have some difference from the original
one.
one.
• 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.
• Hardware (# mark) list and accessories and
packing materials are given in the last of this
parts list.
parts list.
Ref. No.
Part No.
Description
Remark
Ref. No.
Part No.
Description
Remark
5-1. MAIN SECTION
1
2
3
4
5
15
23
16
6
7
8
11
12
24
20
22
18
19
13
14
10
21
9
1
17
17
1
3-047-725-01 SCREW(1.7X2.5), PRECISION
2
3-047-623-01 LID(CONNECTOR)…(SILVER)
2
3-047-623-13 LID(CONNECTOR)
…(GREEN,LIGHT BLUE) (AEP,UK,FR,G)
3
3-047-631-01 PLATE, LOCK
4
3-047-617-01 CHASSIS (LOWER)
5
4-218-229-05 SCREW(M1.4), MI
6
3-047-619-01 LID(CASE)…(SILVER)
6
3-047-619-11 LID(CASE)…(GREEN,LIGHT BLUE)
(AEP,UK,FR,G)
7
X-3378-939-1 TERMINAL (+) SUB ASSY, BATTERY
8
3-047-622-01 LID,BATTERY…(SILVER)
8
3-047-622-11 LID,BATTERY
…(GREEN,LIGHT BLUE) (AEP,UK,FR,G)
9
3-893-942-31 SCREW(1.7X4), TAPPING (B)
10
X-3380-363-1 MAIN BOARD SERVICE ASSY (US)
10
X-3380-365-1 MAIN BOARD SERVICE ASSY (French)
10
X-3380-366-1 MAIN BOARD SERVICE ASSY (E,KR)
10
X-3380-367-1 MAIN BOARD SERVICE ASSY (AEP, UK, German)
(MAIN BOARD SERVICE ASSY: Test mode
information and ID code are written in the ROM)
information and ID code are written in the ROM)
11
3-047-637-01 SPRING (BATTERY TERMINAL)
12
A-3021-330-A POWER BOARD, COMPLETE
13
1-678-091-11 MODE SWITCH FLEXIBLE BOARD
14
3-047-633-01 TERMINAL (-), BATTERY
15
3-047-616-01 CHASSIS (UPPER)
16
3-047-618-01 CHASSIS, LCD
* 17
3-901-417-01 SPACER
18
1-476-037-11 LCD UNIT
19
4-974-971-01 SHEET (DCJ), INSULATING
20
1-678-428-11 LCD FLEXIBLE BOARD
21
3-220-820-01 CUSHION (A)
22
3-220-583-01 SHEET (LCD), INSULATING
23
3-049-526-01 SHEET, ELECTROSTATIC
24
3-331-685-01 SPACER, OPEN KNOB
Ver. 1.6 2001.08
• Color indication of Appearance Parts
Example :
KNOB, BALANCE (WHITE)
KNOB, BALANCE (WHITE)
• • •
(RED)
↑
↑
Parts color Cabinet's color
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