Sony NW-S21 / NW-S23 Service Manual ▷ View 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)
NW-S21/S23
14
14
NW-S21/S23
5-5. PRINTED WIRING BOARD – DISPLAY Board –
:Uses unleaded solder.
R706
R713
R708
S704
R463
R460
C702
R710
R700
R701
C460
Q701
B
C
E
D702
C462
IC461
C463
S708
S701
S709
D703
K
A
SL700
1-864-828-
(11)
11
DISPLAY BOARD
(COMPONENT SIDE)
ACCESS
GROUP
+
SOUND
REPEAT
EL
BACK LIGHT
UNIT
–
C700
PAS SECONDARY
BATTERY
(BACK-UP)
R805
R801
R802
R803
R804
C801
IC801
IC460
C802
L801
D801
A
K
C866
C867
C863
C865
C862
C864
C861
C522
CN402
CN850
R852
R863
R865
R851
R860
R850
R861
R866
R864
S707
R862
C860
25
48
1
20
24
1
1
5
15
16
20
10
6
11
1-864-828-
(11)
11
DISPLAY BOARD
(CONDUCTOR SIDE)
1
3
5
4
1
39
2
40
MAIN BOARD
CN401
A
LIQUID CRYSTAL
DISPLAY UNIT
A
B
C
D
E
F
G
1
2
3
4
5
6
7
H
(Page 11)
•
Semiconductor
Location
Location
Ref. No. Location
D702
B-7
D703
B-2
D801
G-7
IC460
G-4
IC461
A-4
IC801
F-7
Q701
B-7
NW-S21/S23
15
15
NW-S21/S23
5-6. SCHEMATIC DIAGRAM – DISPLAY Board –
•
See page 16 for IC Block Diagrams.
IC801
SL700
R710
C802
D801
L801
220
µH
R801
R805
R802
R803
R804
C801
S704
C522
CN402
40P
SM8145AB-G-EL
1k
IC460
TC58NVG0S3ATGI5BBR(S21)
TH58NVG1S3ATGI5DBR(S23)
(NOT SUPPLIED)
CN850
20P
4700p
1SS403
100k
150k
33k
47k
33k
0.01
C460
0.1
1
R850 100k
R851
100k
R852 0
12
C463
10
C462
IC461
XC62HR2802MR
+2.8V
REGULATOR
10
R460
100k
R463
100k
S701
S709
R700
47k
R701
22k
S707
C702
100p
100p
S708
D702
R713
R708
R706
D703
Q701
C700
SML-A12DT
220
47k
100k
RB520S-30TE61
2SC5658T2L
PAS SECEONDARY
BATTERY
(BACK-UP)
C865 0.47
C864 0.47
C861 0.47
C863 0.47
C862 0.47
C866
1
C867
1
R864
0
R862 0
R865 0
R866 0
R860 0
R861 0
R863 0
C860
1
3
1.5
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
N A N D _ P W R
L C D _ A 0
X P L AY
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
X F R E
X F W E
X F C E 0
F R B 0
F C L E
FA L E
FA L E
X F W P
FA D 4
FA D 5
FA D 6
FA D 7
FA D 0
FA D 1
FA D 2
FA D 3
(CHASSIS)
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
VOUT
VSS
NC
CE
VIN
460
IC461
–
+
NAND FLASH MEMORY
EL
BACK LIGHT
UNIT
V5
V4
V3
V2
V1
CAP2+
CAP2–
CAP1–
CAP1+
CAP3–
VOUT
VSS2
VSS
VSS
VDD
SDA
SCL
A0
XRES
XCS1
LIQUID
CRYSTAL
DISPLAY
UNIT
(Page 12)
NW-S21/S23
16
16
NW-S21/S23
•
IC Block Diagrams
– MAIN Board –
IC301
NJM2276RB2 (TE2)
1
V2
5
V1
2
OUT1
+
–
3
IN1
4
STANDBY TC
10 GND
9 OUT2
+
–
8 IN2
7 STANDY
6 VREF
BIAS
REGULATOR
IC503, 507
XC9105D091MR
EXT
5
GND
4
FB 1
VDD 2
CE 3
CURRENT
RIPPLE DETECT
& FB
+
–
ERROR AMP
+
–
PWM COMPARATOR
VREF WITH
SOFT START
& CE
RAMP WAVE
GENERATOR,
OSC
PWM/PFM
CONTROLLER
PHASE
COMPENSATION
BUFFER,
DRIVER
VCC
IC504
R1160N121B-TR-FA
1
2
VDD
GND
CE
REGULATOR
CURRENT
LIMIT
3
VOUT
5
ECO
4
IC506
XC62HR3302MR
IC508
XC62HR2802MR
IC509
XC62HR2301MR
+
–
–
3
OUTPUT
CONTROL
REFERENCE
VOLTAGE
4
1
2
5
CURRENT
LIMIT
NC
VIN
CE
VSS
VOUT
IC700
RS5C348A-E2-FB
VDD
VDD
OSCIN
OSCOUT
CE
/INTR
32KOUT
SCLK
SO
SI
VSS
32 kHz
OUTPUT
CONTROL
COMPARATOR
W
COMPARATOR
D
ADDRESS
REGISTER
I/O
CONTROL
ADDRESS
DECODER
DECODER
SHIFT
REGISTER
INTERRUPT
CONTROL
OSC
DETECT
VOLTAGE
DETECT
ALARM W REGISTER
(WEEK, MIN, HOUR)
ALARM D REGISTER
(MIN, HOUR)
DIV
OSC
DIVIDER
CORRECTION
9
10
8
7
6
2
3
4
5
1
TIMER COUNTER
SEC, MIN, HOUR, WEEK,
DAY, MONTH, YEAR
– DISPLAY Board –
IC461
XC62HR2802MR
+
–
–
3
OUTPUT
CONTROL
REFERENCE
VOLTAGE
4
1
2
5
CURRENT
LIMIT
NC
VIN
CE
VSS
VOUT
IC801
SM8145AB-G-EL
LDR
NC
NC
OCL1
OCL2
NC
OCL3
OCE
ENA2
ENA1
NC
VDD
NC
OUT2
OUT1
NC
NC
CHV
OUTCOM
VSS
20
19
18
17
16
15
14
13
12
11
1
2
3
4
5
6
7
8
9
10
OSCILLATOR
OSCILLATOR
DIVIDER
DIVIDER
CONTROL
LOGIC
HIGH VOLTAGE SWITCHING
CIRCUIT
Click on the first or last page to see other NW-S21 / NW-S23 service manuals if exist.