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P
KDC-CMP21V
BU+5V
RESET
SW
RESET IC
Q21
R23
10K
22K
IC1
15
GND
3
22K
NC
0V
4
VSS
COMMSW
SVDD
BU+5V
C1
SYS+5V
2.2
CHCON
CH CONT.
SW
R40
100K
R25
HOT
22K
21
1.6V
1K
22K
Q23
1.4V
26
26
LPS
R33 2.2K
R34
R69 100
1K
27
LOESW
CP1 100K
NC
28
NC
TOFF
29
TOFF
SRVSEL
30
0V
SRVSEL
SLNSA
31
SLNSA
R37
32
ADJSEL
100K
33
AVSS
34
NC
35
NC
5.0V
36
AVREF1
37
NC
38
NC
39
R29
NC
100
40
5V
40
DATAH
0V
R30 100
41
41
DATAC
R31 100
42
5V
42
HCLK
0V
R32 1K
43
43
REQC
Q22
MUTING
4.7K
SW
44
CHMUTE
4.7K
R24 10K
44
SI0/MTL
45
5.0V
MUTE L
Q92
SO0/MTR
46
22K
MUTE R
SCK0
47
NC
22K
48
NC
45
49
Q93
NC
50
22K
NC
22K
Q92,93
46
MUTING
SW
14
X32-5650-00 (4/5)
Q
R98 C26
470
0.1
SYS
+5V
R51 47K
AVR
EJSW
Q24
5.0V
2
R99
C27
VDD
0V
1
1K
0.1
OUT
C28
R52 47K
0.1
R42
10K
R56 47K
SYS+5V
X1
12.500MHz
12.500MHz
3.8V
1.2V
5.0V
12.500MHz
4.8V
0.8V
IC2
SYSTEM
MICROPROCESSOR
R
AUDIO
MG SW
S2
L/R MUTE
Q27
MGSW
EJ SW
S4
4
3
1
2
ARM SW
S3
5
R100
470
Q28
BU+5V
ARMSW
PON
CP5 4.7K
5.0V
100
ARMSW
99
NC
98
5.0V
SCL
SCL
97
5.0V
SDA
SDA
96
5V
CLK
0V
95
DATA
W57
94
0V
TEST/VPP
93
0V
R58 100K
EEPWR
92
5.0V
8V/7V
CP3 100K
91
0V
TEST2
90
0V
TEST1
89
NC
88
NC
87
5.0V
ELV-
87
86
5.0V
ELV+
86
85
0V
SP/LO-
85
84
5V
SP/LO+
84
0V
R53 100K
83
REQH
82
NC
W59
81
5.0V
VDD
80
D23
NC
79
NC
78
NC
77
R54
NC
100K
76
5.0V
ELVADJ
ELVADJ
0V
92
S
BU+3.3V
SWD3.3V
CP8 100
82
83
3
C25 0.1
EEP ROM
IC3
5.0V
5
4
0V
SDA
GND
5.0V
6
3
0V
SCL
A2
0V
7
2
0V
WP
A1
5.0V
8
1
0V
VCC
A0
Q25
CP7
10K
CP6 100
Q26
T
40
CP20
1K
76
0V
NC
BOOT
77
NC
R73
3.3V
78
NC(BOOT)
79
100K
NC
80
NC
81
POND3.3
82
82
MUTEL
83
83
MUTER
84
3.
SDA
85
SCL
R60 22K
86
3
MSTOP
R92 39K
87
NC
R78 1K
3.3V
88
DMUTE
3.3V
89
DVCC
90
NC
91
DVSS
R74 100K
92
HOT
93
NC
R87 100K
94
0V
NC
R88 100K
95
VCDSEL
R71 100K
96
ASEL
R75 100K
3.3V
97
CHSEL
R76 100K
3.3V
98
SEL0
R77 100K
3.3V
99
SEL1
3.3V
100
VREFH
0V
C4
0.
C4
0.
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