Kenwood KDC-9023R Service Manual page 34

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AO
KDC-9023R
QQ
/PSW9524/X969
3 7 63 1515 0
(X32-5440-00)
1
DM2 (X92- )
LOADING &
SLD+
SLED MOTOR
M
18
19
SLD-
2
DM1 (X92- )
SPINDLE
SPD-
MOTOR
3
M
12
13
CN1
SLD+
N.C.
24
12EJE SW
S2
12EJE SW
23
LOS SW
S1
LOS SW
22
CLK 21
96
A8V
DATA
20
94
TE
A8V
19
A8V
L 13942296513
Lch
18
A.GND
17
4
C88
0.1
Rch 16
MUTE R
15
20
MUTE L
14
19
MRST
13
31
MSTOP
12
87
12
S4
8EJE SW
11
S3
LOE/LIM SW
10
BU5V
9
BU5V
D.GND
8
D.GND
7
5
D4.7V
6
D4.7V
5
LO/EJ
4
24
MOTOR
3
22
S7.5V
2
S7.5V
S.GND
1
3.3V AVR
IC6
R25
1K
Q2
Q2
22K
3.3V
AVR
6
SW
22K
2.5V AVR
IC5
www
D2
VCC
7
34
X32-5440-00 (1/3)
AP
AUDIO L.P.F
A8V
R10
8
R12
6
330
7
5
30K
IC2 (2/2)
R6
4
3
330
1
R3
2
30K
IC2 (1/2)
Q1
A8V
A8V
IC1
A.8V SW
3.3V AVR
(AUDIO)
Q3
22K
22K
S7.5V
SW5V
Q5
4.7K
SW5V
4.7K
D.5V SW
BU5V
CP4
4.7K
5.0V
S4
5.0V
BU5V
8EJE
C16
0V
SW
0.1
S3
5.0V
LOE/
LIM
PON
SW
0V
R14
5.0V
12
4.7K
0V
0V
0V
W1
0V
CP2
5.0V
100
19
20
5.0V
CP1
100
31
87
5V
GND
C15
4.7
BU5V
L1
x
ao
BU5V
.
i
+3.3V
+2.5V
AQ
A3.3V
C21
R11
4.7
11K
R9
2.7K
R5
2.7K
R2
11K
4ch BTL
DRIVER
A3.3V
S7V
CLK
DATA
CP6
100
5.0V
Q Q
SOD
3
6 7
1
0V
2
5V
E2P SCL
3
0V
4
5
6
EVDD
7
EVSS
8
9
10
PON
11
PON
12
LOE/LIM SW
MECHANISM CONTROL/
13
MICRO PROCESSOR
8EJE SW
14
LOS SW
15
12EJE SW
16
17
18
VPP
19
MUTE L
20
MUTE R
21
22
23
24
5V
0V
25
X2
16.000MHz
u163
y
AR
2 9
9 4
8
C18
4700P
R17
13K
C17
330P
IC4
C29
C30
330P
1500P
R29
R34
13K
18K
S7.5V
BU5V
E2P
WR
1 3
1 5
0 5
8
2 9
MDL
75
SEL
74
WTS
73
AVREF
72
AVSS
71
AVDD
70
DBBRRDY0
3.3V
69
DBBWRDY0
68
REQ
3.3V
67
RESET
66
CS
65
IC7
HSCB
64
AD15
63
AD14
62
AD13
61
AD12
60
3.3V
AD11
59
0V
AD10
58
AD9
57
AD8
56
BVSS
55
BVDD
54
AD7
3.3V
3.3V
53
0V
0V
AD6
52
AD5
51
AD4
m
co
.
+3.3V
+2.5V
AS
2 8
9 9
SW5V
BU5V
9 4
2 8
9 9
5.0V
R77
1K
0V
5.0V
SW5V
0V
C32
5.0V
0.1
R40 10K
0V
70
69
R41 10K
68
R42 100K
R43 100K
0V
0V
3.3V
65
0V
64
0V
63
0V
62
AD12
AD11
AD10
AD9
C31
AD8
0.1
0V
3.3V
+3.3V
AD7
AD6
AD5
AD4

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