Read Sony NW-S21 / NW-S23 Service Manual online
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.
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