Technics SL-DZ1200PP Service Manual page 47

Direct drive digital turntable
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SL-DZ1200PP / SL-DZ1200EB / SL-DZ1200EG / SL-DZ1200EP / SL-DZ1200GN
SCHEMATIC DIAGRAM-2
A
CD SERVO CIRCUIT
D101~104
B3EB00000009
(PHOTO SENSOR)
R130
47K
R144
47K
B
E
F
C
K
J
L
M
13
14
:POSITIVE VOLTAGE LINE
:CD PLAYBACK SIGNAL LINE
X102
(5MHz)
1
2
3
S
G
A
Q101
B1GDCFGH0004
POWER SUPPLY
5.1V
5.3V
0V
S1
S2
80
79
78
77
76
75
74
73
72
71
70
69
68
67
66
65
64
63
62
61
(0V) 5.1V
P15
1
(5.2V) 0V
2
P16
5.2V
P17
3
4
AV
SS
5.2V
P130
5
5.2V
6
P131
5.3V
AVREF1
7
8
P70
IC102
P71
9
C2BBGE000781
10
P72
MICRO COMPUTER
0V
P20
11
12
P21
5.2V
P22
13
(5.1V) 0V
14
P23
5.2V
P24
15
0V
16
P25
5.2V
P26
17
5.2V
18
P27
2.5V
AD0
19
2.6V
20
AD1
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
A B
C D E F G H
R H
I
15
16
17
A
B
C
f
g
h
i
e
R141
0
5.2V
RESET
60
0V
P127
59
5.2V(0V)
Y
P126
58
5.2V(0V)
P125
57
X
5.2V
Z
P124
56
5.2V(0V)
P123
55
a
0V
D
P122
54
2.6V
P121
53
Q
0V
P120
52
P37
51
P36
50
P35
49
P34
48
P33
47
P32
46
P31
45
P30
44
1.4V
ASTB
43
5.2V
D
WAIT
42
5.2V
WR
41
E
F
8
IC105
C0EBH0000105
RESET
1
X
18
19
20
46
IC103
C3ABHG000008
16M FLASH MEMORY
5.3V
1
V
1
V
3
44
CC
SS
5.2V
I/O1
I/O16
A
2
43
5.2V
3
I/O2
I/O15
42
B
5.2V
I/O3
I/O14
C
4
41
5.2V
D
5
I/O4
I/O13
40
5.2V
I/O5
I/O12
E
6
39
5.2V
F
7
I/O6
I/O11
38
5.2V
I/O7
I/O10
G
8
37
5.2V
H
9
I/O8
I/O9
36
NC1
NC5
10
35
R136
5.3V
13
V
CC
2
V
SS
2
32
100
5.2V
UW
CAS
J
14
31
R137
100
5.2V
K
15
LW
OE
30
R138
100
5.2V
RAS
NC4
L
16
29
0V
M
17
A0
NC3
28
0V
A1
NC2
N
18
27
0V
O
19
A2
A7
26
0V
A3
A6
P
20
25
5.2V
Q
21
A4
A5
24
5.3V
V
3
Vss1
22
CC
23
D105
B0ADCJ000025
IC104
C0JBAZ001251
LOGIC CONTROL
1 OE
2.5V
A
2
D0
2.6V
B
D1
3
2.6V
C
4
D2
2.5V
D
D3
5
2.5V
E
6
D4
2.9V
F
D5
7
(1.5V)1.7V
G
8
D6
(3.3V)4V
H
D7
9
10
GND
7
6
5
2
3
4
SL-DZ1200(PP,EB,EG,EP,GN) CD SERVO CIRCUIT DIAGRAM
21
22
23
5.2V
d
5.2V
I
5.2V
b
5.2V
a
5.2V
Z
5.2V
Y
5.2V
X
5.2V
W
R139
100
5.2V
V
5.2V
R140
100
U
5.2V
T
5.2V
S
5.2V
R
G
5.3V
V
CC
20
2.5V
Q0
19
H
2.6V
Q1
I
18
2.5V
Q2
17
J
2.5V
Q3
K
16
2.5V
Q4
15
L
2.9V
Q5
M
14
1.7V(2.5V)
Q6
13
N
3.9V(3.3V)
Q7
O
12
1.4V
G
11
P
Q
R
S
T
U
V
W
24

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