Sony NW-S21 / NW-S23 Service Manual ▷ View online
NW-S21/S23
9
9
NW-S21/S23
SECTION 5
DIAGRAMS
5-1. BLOCK DIAGRAM
S702
S703
CN400 (1/2)
3
2
3 IN1
128 UDM
129 UDP
186 XCS0
BEF
D0 – D15
STB
DQ0 – DQ15
38 – 53
29 – 36,
38 – 45
A0 – A18
1 – 8,
16 – 24
A1 – A19
197 – 207,
2 – 9
27
187 XCS1
BES 13
182 XRE
OE 28
185 XWE
WE 11
184 XUB
UBS 14
183 XLB
LBS 15
NOR FLASH MEMORY,
S-RAM
IC450
29 XFCE0
CE
FAD0 – FAD7
I/O1 – I/O8
15 – 22
29 – 32,
41 – 44
9
24 FALE
ALE 17
23 FCLE
CLE 16
27 XFRE
RE 8
26 XFWE
WE 18
28 XFWP
WP 19
30 FRB0
102 AN4
R/B 7
NAND FLASH MEMORY
IC460
75 SI1
SO 3
74 SO1
SI 4
73 XSCK1
SCLK 2
76 XSCS1
9 OSCIN
8 OSCOUT
CE 7
REAL TIME CLOCK
IC700
–
VOLUME
104 INT8
+
S709
+ >
S701
.
–
+2.3V
103 AN5
S704
SOUND
REPEAT
S708
GROUP
81 INT3
105 INT9
S705
MENU
+2.3V
S707
Nx
S706
HOLD
83 INT4
87 INT5
HOLD
OFF
X700
32.768kHz
137
XTAL
138
EXTAL
X400
22.5792MHz
141
TX
142
TEX
X401
16MHz
AOUTL 134
8 IN2
AOUTR 133
OUT2 9
OUT1 2
PF3 84
BEEP 85
7
PI3 174
XRST 106
PC2 59
SO0 58
SDA
XSCK0 57
SCL
XSCS0 60
XCS1
PR0 156
A0
PI5 176
PI2 173
PR4 160
XRES
LIQUID
CRYSTAL
DISPLAY
UNIT
EL
BACK LIGHT
UNIT
HEADPHONE AMP
IC301
11 ENA1
VDD
LDR
PI1 172
10 ENA2
OUTCM 16
OUT2 15
OUT1 18
13
EL DRIVER
IC801
1
CHV
20
D801
+2.8V
D702
ACCESS
LED DRIVE
Q702
DRY BATTERY
SIZE "AAA"
(IEC DESIGNATION LR03)
1PC. 1.5V
BATTERY
DETECT
IC500
DC/DC
CONVERTER
IC503, Q500
+1.2V
REGULATOR
IC504
+2.8V
REGULATOR
IC508
+2.3V
REGULATOR
IC509
+3.3V
REGULATOR
IC506
+2.8V
REGULATOR
IC461
VOLTAGE
DETECT
IC502
VOLTAGE
DETECT
IC505
SWITCHING
Q503
SWITCHING
IC501
SWITCHING
Q506, 507
SWITCHING
Q501
DC/DC
CONVERTER
IC507, Q505
D501
D504
D502
D503
+1.2V
+2.8V
+2.3V
+3.3V
+2.8V
NAND FLASH MEMORY
B+
RESET SWITCH
Q502, 504
VOLTAGE
DETECT
IC510
CN400 (2/2)
1
VBUS
DATA+
DATA–
: USB output to PC
: PLAYBACK
: USB input from PC
SIGNAL PATH
J301
i
D703
C700
PAS SECONDARY
BATTERY
(BACK-UP)
SYSTEM CONTROLLER,
D/A CONVERTER
IC400
NW-S21/S23
10
10
NW-S21/S23
•
Note for Printed Wiring Boards and Schematic Diagrams
•
MAIN and DISPLAY boards are multi-layer printed board.
However, the patterns of intermediate-layer have not been in-
cluded in diagram.
However, the patterns of intermediate-layer have not been in-
cluded in diagram.
Note on Schematic Diagram:
•
All capacitors are in
µ
F unless otherwise noted. (p: pF)
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.
•
f
: internal component.
• C
: panel designation.
• A
: B+ Line.
•
Power voltage is dc 1.5 V and fed with regulated dc power
supply from battery teminal.
supply from battery teminal.
•
Voltages and waveforms are dc with respect to ground
under no-signal conditions.
no mark : PLAYBACK
under no-signal conditions.
no mark : PLAYBACK
•
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.
Voltage variations may be noted due to normal produc-
tion tolerances.
•
Circled numbers refer to waveforms.
•
Signal path.
F
: PLAYBACK
J
: USB input from PC
c
: USB output to PC
Note on Printed Wiring Board:
• X
: parts extracted from the component side.
• Y
: parts extracted from the conductor side.
•
f
: internal component.
•
z
: Through hole.
•
: Pattern from the side which enables seeing.
(The other layers' patterns are not indicated.)
Caution:
Pattern face side:
Pattern face side:
Parts on the pattern face side seen from
(Conductor Side)
the pattern face are indicated.
Parts face side:
Parts on the parts face side seen from
(Component Side)
the parts face are indicated.
Lead layout of conventional IC
CSP (chip size package)
• 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.
•
Lead Layouts
*
Replacement of IC400 and IC450 used in this set requires a
special tool.
special tool.
•
Waveform
– MAIN Board –
*
Replacement of IC400 and IC450 used in this set requires a
special tool.
special tool.
surface
1
IC700
8
(OSCOUT)
500 mV/DIV, 10
µ
s/DIV
30.5
µ
s
1.2 Vp-p
2
X400
200 mV/DIV, 10 ns/DIV
44.3 ns
1 Vp-p
NW-S21/S23
11
11
NW-S21/S23
5-2. PRINTED WIRING BOARD – MAIN Board –
:Uses unleaded solder.
R103
R101
C301
R201
R534
R507
C510
S702
R702
R509
R535
C513
VDR501
R500
R510
R525
C512
R527
R709
R711
R726
R729
C511
R524
R523
VDR503
R529
R530
C518
R728
R506
R511
R521
R520
VDR500
C505
R503
R518
R516
R512
C508
R515
R528
R526
C520
R102
C102
C305
R302
C202
R202
R203
R300
C516
R533
C503
R502
R517
VDR504
R514
R513
R504
R703
R508
R505
R519
R522
R501
R531
R532
R303
C103
C203
C303
C101
C201
+
C104
IC301
IC509
+
C204
C302
+
C521
+
C304
+
IC508
IC507
IC510
IC505
+
C519
+
C504
CN401
+
C517
IC502
IC504
IC501
IC506
Q507
B
C
E
Q504
Q502
B
C
E
Q506
Q505
BC
E
B C E
D504
K
A
D501
K
A
C509
+
L501
L500
Q501
G
D
S
S703
D502
K
A
K
A
C515
S
G
D
IC503
IC500
S
1
2
4
3
G
D
+
C500
C506
C501
Q503
D503
Q500
1E 1B 2C
1C 2B 2E
CN400
1
1
2
1
3
4
2
4
3
2
1
3
4
2
3
1
1
40
2
39
1
3
4
5
10
6
1
1
3
5
4
3
5
4
1
3
5
4
1
3
1
1
5
3
4
5
4
5
5
4
MAIN BOARD
(COMPONENT SIDE)
1-684-827-
(11)
11
DISPLAY BOARD
CN402
A
VOLUME
–
+
S702
S703
FB300
R100
C100
C200
R416
R200
S705
FB200
C707
R471
R420
VDR402
C419
C421
R410
C409
C405
VDR404
C400
R725
VDR701
R724
R720
R723
R719
R400
C401
VDR400
R406
R407
R408
R404
R718
C705
C706
VDR700
R721
R717
R705
C709
C701
R715
R401
VDR502
C704
R402
R422
C415
R421
R722
R714
R716
C703
R704
X700
IC700
IC450
IC400
C450
R451
R452
R453
C404
VDR403
VDR401
C418
S706
R412
C414
R409
R411
R405
C407
C406
R403
C417
C416
R450
FB100
C300
+
D300
K
A
1
3 4 2 1 48 14 45 46
7 8 6 5 44 43 41 42
7 8 6 5 44 43 41 42
11 12 15 47 40 39 37 38
13 10 16 9 33 34 36 35
18 17 19 20 29 30 32 31
22 21 23 24 25 26 28 27
13 10 16 9 33 34 36 35
18 17 19 20 29 30 32 31
22 21 23 24 25 26 28 27
5
10
6
C402 +
C403 +
C411
C408
C410
+
X401
X400
MAIN BOARD
(CONDUCTOR SIDE)
1-864-827-
(11)
11
J301
i
MENU
HOLD
OFF HOLD
55 59 52 49 46 43 38 34 31 28 25 22 17 13 12 7 2 206
101 105107110 116 121122 126 131133 139141 144147151 153158 160
63 56
54 44 40 35 30 27 21 16 10 6 4 207
202 201
64 58
60 50 48 42 36 32 26 18 14 8 1 203
200 198
87 97
102 100 115119 125 130136 138145 155165164
166 167
89 91
104 108 114117 124 127132 137143 149154157
163 162
67 65
66 62
199205
196 190
70 69
72 68
195197
192 188
71 73
76 74
193194
184 186
75 80
82 78
191189
182 181
77 79
86 84
187185
183 176
81 88
94 90
180179
178 172
83 92
95 96
177175
174 170
85 99
98 111
173171
169 168
61 57 53
3 208 204
93 103106
156159 161
51 47 45 41 39 37 33 29 24 23 20 19 15 11 9 5
100112113 118 120123 128 129134 135140 142146148 150152
A
B
C
D
E
F
G
H
1
2
3
4
5
6
7
8
(Page 14)
•
Semiconductor
Location
Location
Ref. No.
Location
D300
G-7
D501
B-3
D502
B-2
D503
B-2
D504
B-4
IC301
B-7
IC400
F-3
IC450
F-4
IC500
C-2
IC501
B-3
IC502
B-4
IC503
B-2
IC504
B-4
IC505
B-4
IC506
B-2
IC507
C-4
IC508
C-5
IC509
B-5
IC510
B-5
IC700
F-5
Q500
B-2
Q501
D-3
Q502
B-4
Q503
C-2
Q504
B-4
Q505
C-4
Q506
C-5
Q507
C-5
NW-S21/S23
12
12
NW-S21/S23
C
4
0
4
C
4
0
5
C400
R720
R422
C418
V
D
R
4
0
2
C421
C419
C
4
1
4
C415
C417
R
4
1
2
X401
R
4
1
1
R409
C411
C408
R
4
0
8
R
4
0
7
R
4
0
6
R
4
0
5
R403
C406
C407
R402
C403
C402
VDR404
VDR403
R471
100k
100k
R719
C709
R705
R724
VDR701
R718
R704 22k
R717
R711
R703
S703
R702
R721
TP704
VDR700
R725
R723
C701
C704
C705
C706
R400
VDR400
C401
R401
R716
R715
R726
R709
R729
S706
C703
R
4
1
0
R453
S705
S702
R714
C416
R
4
0
4
R728
CN401
40P
X400
R421
C409
C410
0
.1
0
.1
0.1
0
10k
0.1
0.1
0.1
0
.1
10p
0.1
2
2
0
16MHz
1
M
22
1
1
1
.5
k
2
2
2
2
0
2.2M
0.1
10k
4.7
10V
4.7
10V
10k
0.1
470k
10k
22k
10k
10k
1k
10k
10k
470k
470k
0.01
0.01
0.01
0.01
1M
1000p
10k
10k
10k
0
10k
0
1000p
1
0
0
470k
22k
10p
2
.2
M
0
22.5792MHz
470k
0.1
4.7
6.3V
R420
10k
R722
C707
X700
IC
7
0
0
470k
0.1
32.768KHz
R
S
5
C
3
4
8
A
-E
2
-F
B
R416
100k
100k
VDR401
2
0.1
0.1
2 5
2 6
2 7
2 8
2 9
3 0
3 1
3 2
3 3
3 4
3 5
3 6
3 7
3 8
3 9
4 0
V _ I / O
V _ I / O
NAND_PWR
LCD_A0
XPLAY
G N D
FA D 0
X F R E
FA D 1
X F W E
FA D 2
X F C E 0
FA D 3
F R B 0
FA D 4
F C L E
FA D 5
FA L E
FA D 6
X F W P
FA D 7
FA D 0
X F R E
FA D 1
X F W E
FA D 2
X F C E 0
FA D 3
F R B 0
FA D 4
F C L E
FA D 5
FA L E
FA D 6
X F W P
FA D 7
REAL TIME CLOCK
MENU
HOLD
+
S703
S702
VOLUME
–
OFF HOLD
∗
(NOT SUPPLIED)
CSP
(Chip Size Package)
SYSTEM CONTROLLER,
D/A CONVERTER
XMS/SIO
XCS1
XCS0
XCS0
XWE
XUB
XLB
XRE
XMSINS
INT9
INT8
TACK
INT5
INT4
INT3
XOUT
XSCS1
XSCK1
TRST
XSCS0
XSCK0
XRST
XTRST
XFCE1
XFCE0
XFWP
XFRE
XFWE
(Page 13)
(Page
15)
5-3. SCHEMATIC DIAGRAM – MAIN Board (1/2) –
•
See page 10 for Waveforms.
•
See page 16 for IC Block Diagram.
•
See page 17 for IC Pin Function Description.
Click on the first or last page to see other NW-S21 / NW-S23 service manuals if exist.