Kenwood KDC-M7024 Service Manual page 20

A
KDC-M7024/MP822
1
(X32-5410-00)
DM2 (X92- )
LOADING &
SLD+
SLED MOTOR
M
18
19
SLD-
2
DM1 (X92- )
SPINDLE
SPD-
MOTOR
M
12
13
3
CN1
SLD+
D.OUT 24
12EJE SW
S2
12EJE
23
SW
LOS SW
S1
LOS SW
22
CLK 21 96
A8V
DATA 20 94
A8V 19 A8V
Lch 18
A.GND 17
C88
0.1
Rch 16
MUTE R 15 20
to
CN4
MUTE L 14 19
(X25-)
MRST 13 31
4
MSTOP 12 87
12
8EJE SW
∗
S4
8EJE SW 11
LOE/LIM SW
S3
LOE/LIM
10
SW
BU5V 9 BU5V
D.GND 8
D.GND 7
D4.7V 6
D4.7V 5
LO/EJ 4 24
MOTOR 3 22
S7.5V 2 S7.5V
S.GND 1
5
3.3V AVR
IC6
R25
1K
VCC
Q2
Q2
22K
3.3V
AVR
SW 22K
6
7
20
X32-5410-00 (1/2)
B
AUDIO L.P.F
A8V
R11
R10
8 6 R12 11K
330
7
5
30K
IC2 (2/2)
R6
4 3
330
1
R3 R2
2
30K 11K
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
1
5.0V
2
E2P SCL
3
4
5
5.0V 6
BU5V EVDD
C16 0V 7
EVSS
8
0.1
9
5.0V 10
PON
PON
0V 11
PON
R14
5.0V 12
12 LOE/LIM SW
4.7K
0V 13
8EJE SW
0V 14
LOS SW
0V 15
12EJE SW
16
17
W1
0V 18
VPP
CP2
5.0V
100
19
19 MUTE L
20
20 MUTE R
21
5.0V
22
23
24
25
CP1
100
31
87
5V
GND
C15
4.7
BU5V
L1
BU5V
+3.3V
C
A3.3V
C21
4.7
R9
2.7K R17
13K
C17
R5
330P
2.7K
IC4
4ch BTL
DRIVER
A3.3V
C29
330P
R29
13K
S7V
S7.5V
CLK DATA
E2P
WR
CP6
100
SOD
0V
5V
0V
IC7
MECHANISM CONTROL/
MICRO PROCESSOR
5V
0V
3.3V
0V
RST
X2
16.000MHz
D
A3.3V
C18
4700P
C30
1500P
R34
18K
SW5V
BU5V BU5V
5.0V
R77
MDL 1K
75
SEL
74 0V
WTS
5.0V
73
AVREF SW5V
72 0V
AVSS
C32
71 5.0V
AVDD
0.1
R40 10K
70 0V
DBBRRDY0
R41 10K
69 0V
DBBWRDY0
R42 100K
68 0V
REQ
3.3V
R43 100K
67
RESET
66 0V
CS
65
HSCB
0V
64
AD15
63 0V
AD14
62 0V
AD13
CP24
100K
61
AD12 AD12
60
3.3V AD11 AD11
59
0V
AD10 AD10
58
AD9 AD9
57
C31
AD8 AD8
56 0V 0.1
BVSS
55 3.3V
BVDD +3.3V
54
AD7 AD7
3.3V
53
0V AD6 AD6
52
AD5 AD5
51
AD4 AD4
+3.3V
E
D1
R57
4.7K
IOP1
IOP2
R50
1K
AD12
AD1
AD10
AD9
AD8
AD7
AD6
AD5
AD4
AD3
AD2
AU3.3V
AD1
AD0
AST
REA
WRI
R49 100K
R75
10K
C
22
C35
0.1
A3
C42
4.7
R47
100K
BU5V
IC8
LEVEL
SHIFT
(3.3V-5V)
91
90
89
+3