Read Sony NW-S21 / NW-S23 Service Manual online
NW-S21/S23
13
13
NW-S21/S23
5-4. SCHEMATIC DIAGRAM – MAIN Board (2/2) –
•
See page 16 for IC Block Diagrams.
(Page 12)
IC301
C
1
0
3
R
1
0
3
R102
R203
C203
C102
C305
C303
R101
C101
C100
R200
C200
C201
R201
R302
R300
C202
R533
C520
R
5
3
1
R532
D504
C518
R530
R528
R526
R523
Q506
C511
R527
R529
C512
R519
R510
Q502
R502
C503
R507
R522
R501
R505
R514
Q501
IC
5
0
0
D503
D502
C513
C515
R
5
1
3
R
5
0
8
R500
D501
R518
R516
R511
R506
R509
R504
TP502
C506
C505
R512
R521
R515
R520
C508
C
5
0
1
J301
C304
C104
C204
C300
D300
C302
IC509
C521
V
D
R
5
0
2
IC508
IC504
L501
IC
5
0
7
C517
Q507
C519
Q504
C509
V
D
R
5
0
4
IC
5
0
3
Q503
L500
100
µH
100
µH
V
D
R
5
0
1
V
D
R
5
0
3
C500
V
D
R
5
0
0
R450
C450
R451
R452
R202
R
3
0
3
IC506
R524
IC
5
0
1
Q500
IC
5
0
5
R
5
1
7
IC
5
0
2
FB200
FB100
FB300
R100
R503
R
5
2
5
C510
CN400
NJM2776RB2 (TE2)
0
.2
2
4
7
k
33k
47k
0.22
100p
0.1
0.33
10
0.22
0.022
4.7k
0.022
0.22
10
47k
0
100p
0
0.1
0
0
R534
100
RSX101M-30TR
33p
470k
100k
100k
470k
2SC5658T2L
1000p
470k
1M
0.01
1M
470k
2SC5658T2L
1M
0.022
470k
0
100k
2.2M
470k
3LN01S-K-TL-E
S
-8
0
8
0
9
C
N
P
F
-B
9
N
-T
F
1SS400TE-61
1SS400TE-61
0.1
10
4
7
k
2
2
0
k
470k
RSX101M-30TR
1M
470k
220k
330k
2.2M
2.2M
NM
1
0.1
100k
470k
220k
22k
R535
10
0.1
1
10
10V
220
2.5V
220
2.5V
10
10V
MAZS120008SO
22
4V
XC62HR2301MR
4.7
6.3V
XC62HR2802MR
R1160N121B-TR-FA
X
C
9
1
0
5
D
0
9
1
M
R
47
10V
2SA2029T2L
100
6.3V
2SA2029T2L
10
6.3V
X
C
9
1
0
5
D
0
9
1
M
R
XP4601-TXE
10V
47
10V
0
0.1
100k
100k
33k
0
XC62HR3302MR
1M
S
-8
0
8
1
0
C
N
P
F
-B
9
0
-T
F
XP151A12A2MR
S
-8
0
8
2
4
C
N
P
F
-B
8
J
-T
F
IC
5
1
0
S
-8
0
8
2
4
C
N
P
F
-B
8
J
-T
F
1
0
0
k
S
-8
0
8
1
0
C
N
P
F-B
9
0
-T
F
4.7k
1M
1
M
47p
5P
C301
0.1
C516
0.1
Q505
XP151A13A0MR
C504
47
• TOTAL CURRENT
PLAY : 16mA
FF : 50mA
REW : 50mA
STOP : 4mA
(NOT SUPPLIED)
CSP
(Chip Size Package)
NOR FLASH MEMORY,
S-RAM
∗
A18
HEADPHONE AMP
+2.3V REGULATOR
VOLTAGE
DETECT
RESET
SWITCH
RESET
SWITCH
VOLTAGE
DETECT
VOLTAGE DETECT
+1.2V REGULATOR
+2.8V REGULATOR
SWITCHING
SWITCHING
SWITCHING
-1
-2
SWITCHING
BATTERY
DETECT
DC/DC
CONVERTER
DC/DC
CONVERTER
+3.3V REGULATOR
DC/DC
CONVERTER
DC/DC
CONVERTER
SWITCHING
(CHASSIS)
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