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SCHEMATIC DIAGRAM-2
MD SERVO CIRCUIT
O
Q
C20
1
TH1
10K
R14
10K
I
H
F
G
J
K
L
M
N
R18
390K
P
E
R3
4.7K
V
D
A
B
C
C40
1
C43
1
TP70
R
S
U
T
: +B SIGNAL LINE
M
N
36 35 34 33 32 31 30 29 28 27 26 25
<1.5V>
37
TEMP IN
<1.7V>
F1
38
<1.7V>
F2
39
AN22010A-VF
<1.7V>
A
40
<1.7V>
41
B
MD PLAY
<1.7V>
VREF
42
<1.7V>
RF2
43
<1.7V>
RF1
44
0.5
s. 50mV/DIV.
45
CENVD
CENVC
46
<1.8V>
D
47
<1.8V>
C
48
1 2 3 4 5 6 7 8 9 10 11 12
C11
R10
0.01
470K
C25
4700P
C55
0.1
16
15
14
13
12
11
10
9
AN8496SA-E1V
MOTOR DRIVE
17
18
19
20
21
22
23
24
C56
0.1
TP69
TP71
TP72
5V
: MD SIGNAL LINE
: MD RECORD SIGNAL LINE
3.3V
C65
0.1
NC
24
NC
23
IC1
<1.9V>
FF1
22
<1.9V>
FF2
21
RF AMP
<1.9V>
AA
20
MD PLAY
<1.9V>
BB
19
40mV
0.5V
<3.3V>
Vcc
18
P-P
P-P
<1.3V>1.5V
DD
17
<1.3V>1.5V
0.5
s. 50mV/DIV.
CC
16
<1.6V>1.5V
MON3T
15
<1.7V>
CEA
14
<1.4V>1.6V
BOTM
13
TP3
C14
1000P
R16
2.2K
C24
4700P
8
7
6
5
4
3
2
1
IC2
25
26
27
28
29
30
31
32
R86
R85
47K
4.7K
L1
10
H
A
B
C
D
E
F
G
H
I
J
K
L
M
N
O
C66
0.1
P
C4
C28
1
1
Q
R
R15
2.2K
S
T
U
V
W
X
C50
C41
0.1
16V10
Y
Z
a
b
L
V
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