MD-R3H
– 40 –
A
B
C
D
E
F
G
H
1
2
3
4
5
6
Figure 40 SCHEMATIC DIAGRAM (1/10)
The numbers
1
to
10
are waveform numbers shown in page 59.
CNS752A
CNS751A
CNS752B
CNS751B
CNP752
1
2
3
4
5
6
7
1
2
3
4
5
6
7
1
2
3
4
5
6
7
1
2
3
4
5
6
7
1
2
3
4
5
6
7
1
2
3
4
5
6
7
1
2
3
4
5
6
7
1
2
3
4
5
6
1
2
3
4
5
6
1
2
3
4
5
6
1
2
3
4
5
6
1
2
3
4
5
6
7
8
8
8
8
CNP751
C751
4.7/25
M
M
VR751
180K
CNS700A
CNP700A
CNS700B
R750
180K
C752
120P
(CH)
C753
120P
(CH)
R795
68K
R794
68K
R792 120K
R793 120K
R790 120K
R791
120K
C750
0.1
Q751
2SA1015 GR
R753
18
R761
1K
R757
1K
C756
0.0082
TP751
IC700
BA5914FP
FOCUS/TRACKING/SPIN
/SLIDE DRIVER
C703
0.022
R702
82K
C704
0.022
R703
82K
C701
100/10
R701
10K
C702
0.1
R811
10K
SW702
PU-IN
M701
SLED
MOTOR
M702
SPINDLE
MOTOR
CNP700B
R754
47
R768
39K
C758
0.33
R767
2.2K
R766
220
C757
0.15
R765
10K
R772
82K
R774
47K
R778
220K
R771
27K
R770
27K
C762
0.1
R777
33K
C761
0.022
R773
5.6K
R775
1K
R776
22K
Q701
KRA103 S
C760
0.1
R769
27K
C759
10/16
VR752
M0999
10K
R764
47K
R763
270K
R762
15K
VR754
47K
VR753
47K
IC750
M62472FP
SERVO CONTRO
C755
0.0033
R756
22K
R755
22K
7
6
21
16
13
12
18
19
10
20
17
15
14
11
9
8
5
4
3
2
1
1/2Vcc
TG1
HF
FG1
TG2
FG2
TRACKING ERROR
BALANCE
1/2VCC
VCC
C
E
A
B
F
T+
6.65K
6.65K
6.65K
6.65K
1/2Vcc
50K
50K
10K
10K
10K
10K
VCC
VCC
+
LEVEL SHIFT
LEVEL SHIFT
+
+
LEVEL SHIFT
LEVEL SHIFT
+
FS AM
SS AMP.
TS AMP.
TE2 AMP.
TE1 AMP.
FE AMP.
7.7K
HF AMP.
I/V AMP.
VR
SP+
SP–
SL+
SL–
PU–IN
GND
PD
LD
GND
FO+
TR+
FOCUS
OFFSET
TRACKING
GAIN
TRACKING
OFFSET
1/2VCC
VCC
E
F
A
B
C
LD
MON
LD GND
LTOH41M
HOE-LD-PD
VR1A
(1K)
MON
ACTUATOR
FO+
TR+
TR–
FO–
VR
LD
GND
T+
F+
48K
SL+
20
µ
A
10
µ
A
SPIN +
SPIN –
F+
1
2
3
4
5
6
7
8
9
10
11
12
13
14
28
27
26
25
24
23
22
21
20
19
18
17
16
15
15P
APC IN
APC OUT
APC
1
1
FS–
TS–
TE–
TE+
SS OUT
SS FIL
TS OUT
TG
TE OUT
TE
TC IN
FS+
FE OUT
B+D
A+C
EF BAL
SS–
F
E
60K
48K
10K
10K
+
HFOK
50K
MR
330K
10K
10K
15P
72K
72K
5P
100K
Current
Reference
Focus
Search
FZC
TC Det
47K
1K
33K
82K
I/F
22K
22K
22K
RESET
10K
FSR
22K
2.3V
2.3V
2.3V(2.2V)
3.5V
0V
2.3V
2.3V
IC750
5V(5V)
2.3V
5V
1.7V(2.8V)
2.4V(3.5V)
2.3V
5V(0V)
1.7V(3.5V)
0.7V
5V(4.7V)
5V(5V)
5V(130mA)
0V(5V)
5V(5V)
0V(5V)
2.3V
2.3V
0V
2.3V(2.4V)
0V(0.2V)
2.3V
2.3V
5V(3.2V)
2.3V
3
2
2.3V
2.3V
2.3V
2.3V
2.3V
2.3V
2.3V
2.3V
12
13
14
15
16
17
18
19
20
42
VOLTAGE
32
41
40
39
38
37
36
35
34
33
31
30
29
28
27
26
25
24
23
2.3V(2.6V)
22
21
2.3V
2.3V
2.3V
2.3V
2.3V
2.3V
2.3V
2.3V
11
10
9
8
7
6
5
4
1
PIN
NO.
PIN
NO.
0V
3.5V
3.5V
2.3V
2.3V
7.5V
7.5V
3.5V(3.2V)
3.5V(3.8V)
2V(2.2V)
2V(2.2V)
2.3V(2.2V)
0V
3.5V
2.3V
2.3V
0V
5V(0V)
1.6V
2.3V(2.6V)
3.5V(3.9V)
3.5V(3.1V)
28
27
26
25
24
23
22
21
12
13
14
15
16
17
18
19
20
11
10
9
8
7
6
5
4
3
2
1
6
5
4
3
2
1
IC700
VOLTAGE
CD MOTOR PWB-G
+B
+B
PICKUP UNIT
( ):PLAYBACK
:STOP
( ):PLAYBACK
:STOP
+
–
+
–
+
–
+
–
+
–
T–
F–
FO–
TR–
T–
SL–
F–
–
+
–
+
–
+
–
+
–+
–
–+
+
–
+
–
+
–
+
–
+
–
–
–
–
–
+
+
–
–
+
+
–
+ –
–
+
+
–
–
+
–