Technics SL-DZ1200PP Service Manual page 106

Direct drive digital turntable
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SCHEMATIC DIAGRAM-2
A
CD SERVO CIRCUIT
D101~104
B3EB00000009
(PHOTO SENSOR)
S1
S2
R130
47K
R144
47K
B
E
F
C
K
J
L
M
13
14
:POSITIVE VOLTAGE LINE
:CD PLAYBACK SIGNAL LINE
X102
(5MHz)
1
3
S
G
Q101
B1GDCFGH0004
POWER SUPPLY
5.1V
5.3V
0V
80
79
78
77
76
75
74
73
72
71
70
69
68
67
66
65
64
63
62
(0V) 5.1V
1
P15
(5.2V) 0V
2
P16
5.2V
3
P17
4
AV
SS
5.2V
5
P130
5.2V
6
P131
5.3V
7
AVREF1
8
P70
IC102
9
P71
C2BBGE000781
P72
10
MICRO COMPUTER
0V
P20
11
P21
12
5.2V
P22
13
(5.1V) 0V
P23
14
5.2V
P24
15
0V
16
P25
5.2V
17
P26
5.2V
18
P27
2.5V
19
AD0
2.6V
20
AD1
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
A B
C D E F G H
R H
I
15
16
17
2
A
A
B
C
f
g
h
i
e
61
5.2V
60
RESET
0V
59
P127
5.2V(0V)
58
Y
P126
5.2V(0V)
P125
57
X
5.2V
P124
56
Z
5.2V(0V)
P123
55
a
0V
P122
54
D
2.6V
P121
53
Q
0V
P120
52
P37
51
P36
50
P35
49
P34
48
P33
47
P32
46
45
P31
44
P30
1.4V
43
ASTB
5.2V
42
D
WAIT
5.2V
WR
41
E
40
F
IC105
C0EBH0000105
RESET
X
18
19
20
IC103
C3ABHG000008
16M FLASH MEMORY
5.3V
V
1
1
CC
5.2V
I/O1
A
2
5.2V
I/O2
B
3
5.2V
I/O3
C
4
5.2V
I/O4
D
5
5.2V
I/O5
E
6
5.2V
I/O6
F
7
5.2V
G
8
I/O7
5.2V
H
9
I/O8
10
NC1
R136
5.3V
13
V
CC
2
100
5.2V
J
14
UW
R137
100
5.2V
LW
K
15
R138
100
5.2V
RAS
L
16
0V
A0
M
17
0V
A1
N
18
0V
A2
O
19
0V
A3
P
20
5.2V
A4
Q
21
5.3V
V
3
22
CC
D105
B0ADCJ000025
R141
0
2.5V
A
B
C
D
E
F
(1.5V)1.7V
G
(3.3V)4V
H
8
7
6
5
1
2
3
4
21
22
V
3
SS
44
5.2V
I/O16
43
d
5.2V
I/O15
42
I
5.2V
I/O14
41
b
5.2V
I/O13
40
a
5.2V
I/O12
39
Z
5.2V
I/O11
38
Y
5.2V
I/O10
37
X
5.2V
I/O9
36
W
NC5
35
R139
V
SS
2
32
100
5.2V
CAS
31
V
5.2V
R140
100
OE
30
U
NC4
29
NC3
28
NC2
27
5.2V
A7
26
T
5.2V
A6
25
S
5.2V
A5
24
R
Vss1
23
G
IC104
C0JBAZ001251
LOGIC CONTROL
5.3V
1 OE
V
CC
20
2.5V
2
D0
Q0
19
H
2.6V
2.6V
3
D1
Q1
18
I
2.6V
2.5V
4
D2
Q2
17
J
2.5V
2.5V
5
D3
Q3
16
K
2.5V
2.5V
D4
Q4
L
6
15
2.9V
2.9V
D5
Q5
M
7
14
1.7V(2.5V)
D6
Q6
N
8
13
3.9V(3.3V)
D7
Q7
O
9
12
1.4V
GND
G
10
11
P
Q
R
S
T
U
V
W
SL-DZ1200(PP,EB,EG,EP,GN) CD SERVO CIRCUIT DIAGRAM
23
24

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