Schematic Diagram - Kenwood DM-SE7 Service Manual

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A
B
A MECHA. (D40-1533-*5)
(X33-1100-00)
Q Q
3 7 6 3 1 5 1 5 0
1
CN104
HR901
OVER
2
WRITE
HEAD
1
CN103
VEE
1
E
2
D
3
C
4
F
5
I
6
VC
7
A
8
B
9
2
J
10
VCC
11
VCC
L10
OPTICAL PICK-UP
LD-GND
12
BLOCK
(KMS-260A/JIN)
L5
ILCC
13
L6
MOD
14
C119
10u10
VR
15
+
PD
16
K
17
FCS+
18
FCS-
19
TRK+
20
TRK-
21
NC
22
3
T E
L
1 3 9 4 2 2 9 6 5 1 3
4
5
CN106
FE1
1
6
FE2
2
VC
3
TE1
4
TE2
5
RF
6
w w w
TP1
TP2
E
F
7
C
D
HEAD
DRIVER
0V (3.2V) <3.2>
Q6
3.3V
C184
22u8
3
+
3.3V
2
1.8V
(2.5V)
(2.8V)
<2.5V>
4
<2.87V>
1
5
0V (2.2V) <2.2V>
Q1
3.3V
(0.1V)
1.8V
<0.1V>
Q4
Q5
(2.8V)
<2.87V>
0V
0V
(2.8V)
<2.87V>
+3.3V
1.8V
C116
1.7V
0.022
(1.6V)
<
X
>
2.2V
+
0.9V
(1.2V)
<1.7V>
BOTM
1
I
1.7V
2
(2.0V)
J
<
X
>
3
VC
1.7V
1.7V
4
A
1V
1.7V
5
(1V)
B
IC1
<1.2V>
1.7V
6
C
1.6V
RF AMP
ADAGC
1.7V
7
D
1.7V
1.7V
8
E
1.7V
9
F
3.3V
R106
10
PD
0.1V (0.2V) < >
X
3.3M
11
APC
3.3V (2.6V) <2.6V>
Q2
0V
R107
12
CSLED
APCREF
(2.5V)
470K
<2.5V>
3.3V
C109
WELAD
(0.5V)
<0.5V>
0.022
+
R105
4.7K
C106
1000P
+3.3V
+3.3V
L8
L7
3.3V
+3.3V
3.3V
Q3
0V
+
(3.3V)
(2.5V)
<3.3V>
<2.5V>
3.3V
0V
(2.6V)
R164
(1.7V)
<2.6V>
680
<1.7V>
R167
Q7
4.7K
x
a o
.
i
E
F
11
10
5V
IC5
(5V)
< >
X
12
9
13
8
0V
(0V)
14
7
< >
X
15
6
Q8
16
5
0V
0V
(0V)
(0V)
< >
X
< >
X
17
4
18
3
C124
19
2
0.1
0V
1
(0V)
20
<1.7V>
+5V
5.1V
Q9
H+5V
C128
R131
5V
0.01
10K
(5V)
0V
< >
X
(0V)
< >
X
C129
+
Q10
0.47
+3.3V
C127
0.1
0.3V
R137
C133
100
4700P
R136
R135
1K
3.3K
0.2V
1.6V
(1.0V)
C132
<1.6V>
0.47
C131
R140
0.015
150
0.2V
0.3V (1.0K) <1.6V>
(0.2V)
<2.1V>
0.2V (0.2V) <1.5V>
36
35
0.8V (1.4V) <2.6V>
0.8V (1.4V) <1.6V>
ABCD
34
1.5V
R146
R150
1.6V
FE
33
1.8V
100
220
2.0V
AUX
0.1V
1.6V
(1.4V)
<1.6V>
32
ADFG
31
C113 1
3.3V
+3.3V
30
C112
ADIN
4700P
29
ADFM
28
1.6V
R147
SE
27
1.6V
100
R148
R141
26
1.6V
TE
0.4V
100
560
25
C136
100u
Q
Q
6.3
3
7
+
R159
R190
100K
10K
+3.3V
+
3.3V
+3.3V
+3.3V
+3.3V
R162
BUFFER
2.2K
0V
IC3
(0.2V)
< >
X
4
3.3V
5
+3.3V
u 1 6 3
y
H+5V
G
H
2
4
8
9
IC7
DRAM
3.3V
+3.3V
+3.3V
1.6V
51
ASY0
3.3V
1.7V (1.7V) <0V>
0V
1.7V
(1.0V)
52
< >
X
LRCK
ASYI
53
DADT
AVDD
3.3V
ADDT
54
DOUT
1.7V
BIAS
55
DIN
RFI
56
AVSS
AVSS
57
1.6V
PDO
58
AVDD
PCO
59
XTSL
FILI
1.8V
60
OSC0
FIL0
3.3V
OSCI
1.9V
(3.0V)
61
<3.3V>
TX
CLTV
62
IC2
XINT
PEAK
63
ACIRC
B
64
ATRAC
RECP
ABCD
EN/DECODE
65
DQSY
FE
66
AUXI
SQSY
67
VC
68
XRST
ADID
69
AVDD
0V
70
( )
X
SENS
ADRT
< >
X
71
ADRD
72
SRDT
AVSS
1.6V
73
SE
(1.6V)
<1.8V>
XLAT
74
TE
75
SCLK
AUX2
0V
0V
(0.6V)
(3.3V)
6
3
1
5
1
5
0
8
<0.6V>
<3.3V>
SWDT
3.3V
0V
0V
MNT3(SLOC)
3.3V
(0.6V)
(0.2V)
0.1V
0V
(3.3V)
<0.6V>
<0.2V>
(1.3V)
(0.2V)
< >
X
MNT2(XBUSY)
<1.6V>
3.3V
<0.1V>
0V
0V
MNT1(SHCK)
MNT0(FOK)
0V
0.8V
(0V)
<1.7V>
+3.3V
+3.3V
+3.3V
C161
3
10u10
2
0V
1
(0.2V)
<0.2V>
0V(0.3V)
0V
<0.3V>
IC8
BTL
m
M+5V
c o
C160
.
10u10
H+5V
I
J
2
9
8
9
9
3.3V
+3.3V
+
0.3V
0.5V
R125 100
IC6
E2PROM.
R144 100
25
24
23
0V
1.7V
22
R123 220
0V
21
20
19
+3.3V
18
17
16
1.3V
15
0V
14
R121
13
0V
100K
12
3.3V
11
3.3V
C122
3.0V
0.01
10
R143
9
3.3V
10K
R142
10K
8
C144
7
3.3V
100P
C143
3.3V
100P
6
C142
9
5
3.3V
2
100P
4
9
8
2
9
9
4
S12fs
1.3V
R173
3
IC4
1M
2
1.3V
5
4
0V
1
6
3
7
3.3V
2
8
+3.3V
1
3.3V
1.5V
M+5V
M+5V
C152
0.1
C151
100u6.5
+
+3.3V
3.0V
5.1V
H+5V

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