PRINTED CIRCUIT BOARD VIEWS-15
DHC-9.9
U20
POWER SUPPLY PC BOARD (NAPS-9099)
Component side
U21
OPT PC BOARD (NAETC-9100)
Component side Soldering side
U22
VOLUME PC BOARD (NADIS-9101)
Component side Soldering side
C7520
R7520
C7590 C7591
R7590 R7591
R7592R7593
GNDDG
VOLB
VOLA
+3.3VMPU
C9304
C9305
C9306
C9307
D9303
D9314
D9315
D9306
D9311
JL9501B
F9301AF9301B
JL9303B
P9301A
Q9301
D9312
R9304
C9302
R9305
D9310
R9307
R9308
D9313
C9309
D9309
J9310
7
C9308
D9307
D9308
R9309
J9311
7
J9312
15
J9313
7
R9310
POFF2
+9VDG
GNDDSP
GNDDAC
NCPS-9099
25139099
2
+9VDC
GNDDC
4A/125V
FLAC1
1
FLAC2
-VP
+3.3VMPU
DSP_AC1
DSP_AC2
F9301
FLAC1
FLAC2
-VP
+3.3VMPU
C7521
JL7560A
L7520
U7520
0
25139100
NCETC-9100
JL7591B
S7590
J7800
15
J7801
2
NCDIS-9101
25139101
VOLA
VOLB
GNDDG
+3.3VMPU
A
1
2
3
4
5
BCD
w
w
w
.
x
i
a
o
y
u
1
6
3
.
c
o
m
Q
Q
3
7
6
3
1
5
1
5
0
9
9
2
8
9
4
2
9
8
T
E
L
1
3
9
4
2
2
9
6
5
1
3
9
9
2
8
9
4
2
9
8
0
5
1
5
1
3
6
7
3
Q
Q
TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299
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http://www.xiaoyu163.com