Kenwood KDC-C521FM Service Manual page 18

K
KDC-C471FM/C521FM
QQ
3 7 63 1515 0
C14
X1 0.1
16.93MHz
5.0V
5.0V 26
VDD
27
EMPH
28
FLAG
29
5V
DIN
0V
30
DOUT
31
5V
SCKIN
0V 32
SCKO
33
5V
LRCKIN
0V
34
LRCK
35
HOLD
36
TX
0V
37
GND
0V 38
C16M/SBSY
R20
3.6V 39
PSW
100K
5.0V 40
VDD
41
LOCK
42
RFCK
43
MIRR
44
PLCK
0V 45
GND
46
C1D1
47
Q4
C1D2
48
48 C2D1/LZM
Q5
0V 49
49 C2D2/RZM
TE
0V 50 L 13942296513
Q4,5 C2D3/TBC
0bit
5V
MUTE
0V
R9
1K
6
R10
00K
CP16
1K
SD5V
2.5V
R71
9.1K
65
R68 R69
120K 30K
2.0V
2.0V
IC5 2.5V
MOTOR
DRIVER
63
www
62
64
18
X32-5470-01 (3/4)
L
C16
0.1
C15
C300 0.1
22u6.3
+
C301
0.1
2.5V
IC1
SERVO IC
2.5V
2.5V 2.5V
2.5V
FD TD SLD SPD
L2 SAGND
SP+ SP- T+
3V
3.2V
3.2V 3.2V
2.5V
2.5V
2.5V
R21
12K
C21
680P
R190
22K
x ao
. i
7.0V
5.0V
M
D16
5V
A.VDD
0V
5V
0V
5V
0V
5V
PN
0V
5V
0V
LD
PD
2.5V
A.GND
TEC
TE2
2.5V TEO
TE-
FEO
FE-
REFOUT
A.VDD
A.GND
Q Q
RF-
3.2V
3 6 7
1.8V
EQ1
EQ2
4.6V 3.2V
0.7V 1.8V
RFO
AGCI
2.5V
R18 R19
10K 33K
ARF
EFM
T- SL- SL+
F+ F-
3.5V
2.8V
2.5V 4.2V
2.5V
R17
10K
Q31
22K
22K
VIN
SW
u163
y R67
120K
C55
SERVO
10u10 SP/LOD+
5V
+
Q9
5.0V
N
2 9 9 4
8
APC
IOP LD
R8
5.0V
10
Q1
D1
100
C206
PN
0.1
R15
99 0V
100K C2
98 4.0V 10u10
+
97 0V
96 0V
95
94
3TE
93
TE
92 2.5V
91 2.5V
FE
VREF
90 2.5V
89 2.5V
88 5.0V
87 2.5V
E E
86 2.5V
C3
F F
6800P
85 2.5V
D C
84 2.5V
B A
83 2.5V
C D
82 2.5V
A B C205
0.1
81 0V
80 2.5V
C19
R16 C8 2.2
79 1 3 1 5 0 5 8 2 9
78
5.6K 18P
77
C9
76
RF
0.22
SGND
ELVD+ ELVD-
5.0V 5.0V
D24
D23
m
co
SP/LOD-
.
SA5V
O
2 8
9 9
CN1 CN
R11 10K A
A 1
R12 10K C
C 2
R13 10K B
B 3
R14 10K D
D 4
GND
5
LD
6
PD
7
R4 VR
8
390
VC
9
VCC
10
R5
3K
F
F 11
R7 E
E 12
3K
F+
9 13
T+
10 14
T-
11 15
F-
8 16
SP-
12 17
SP+
13 18
SL-
7 19
SL+
6 20
LOESW
R72
LOESW
27 21
MGND
100
22
LIMSW
R73 LIMSW
28 23
100
Q30
10K
35
47K
ECCENTRIC
DISC SW
9 4 2 8 9 9
ELEVAT
ELV+
M4
M
ELV-
KDC-C