14.2. (B) CD Servo Circuit
J
0.5us. 0.2V/DIV
PLAY
0.8V
P-P
PLAY
2ms 0.1V/DIV
0.2V
P-P
2ms 0.1V/DIV
PLAY
0.6V
P-P
1.6V
1.6V
3.2V
1.6V
1.6V
((0.2V)) 0V ((2.3V)) 2.7V ((1.4V)) 0.9V
0.7V ((2.3V)) 2.1V
1.6V
0V ((3.1V)) 0V
((3.1V))
0V
0V
1.6V
3.2V
1.6V
1.6V
1.6V
1.6V
1.6V
1.6V
1.6V
((3V)) 3.3V ((3V)) 3.3V ((3.5V)) 3.3V
3.3V
7.3V
7.3V
7.3V
1.6V
1.6V
1.6V
1.6V
1.6V
0V
3.2V
7.3V
3.7V
((4.1V))
3.7V
((3.3V))
3.3V
((3.5V))
3.3V
((2.3V))
2.7V
((2.5V))
0.9V
3.2V
OPTICAL PICKUP CIRCUIT
15
14
16
13
17
12
18
11
19
10
20
9
21
8
22
7
23
6
24
5
25
4
26
3
27
2
28
1
IC703
BA5948FPE2
R724
15K
R725
680
R715
1K
R732 1K
R731 10K
R729
2.7K
R728
2.2K
R727 2.7K
R749 2.7K
R723 10K
R735
100
R736 100
R701
4.7
R704
1K
R744
120K
R705 150K
R702 10K
R706
1K
R707
270K
R708
82K
C736
0.1
C715
2700P
C750
0.1
C751
0.1
C752
1500P
C739
2200P
C704
0.1
C742
0.027
C747
180P
C710
120P
C749
2200P
C713
0.1
C707
0.027
C702 0.1
C706
2700P
C712
0.1
C711
0.1
C737
0.1
C735
0.1
C738
0.056
C703
6.3V100
C701
6.3V33
C714
6.3V100
C734
10V220
M
M701
M
M702
1
3
5
7
9
8
6
4
2
10
11
12
13
14
15
16
CN701
Q701
2SA1037AKSTX
15
21 20 19 18 17 16
24 23 22
28 27 26 25
14
13
12
11
10
9
8
7
6
5
4
3
2
1
AN8837SBE1
SP MOTOR
TRV MOTOR
NC
NC
NC
VCC
NC
VREF
IN4
IN3
NC
PVCC2
PVCC1
NC
PC1
PC2
IN1
IN2
GND
(GUARD)
GND
GND
PGND2
D4+
D4-
D3+
D3-
PGND1
D2+
D2-
D1+
D1-
NC
F+
F-
T+
T-
LPD
VREF
NA
NB
GND
LD GND
LD
PDE
VCC
NC
Q701
IC701
IC703
GND
(GUARD)
IC701
TEN
FEN
FEOUT
FBAL
TBAL
TEOUT
CEA
RF
LPD
LD
RFIN
PDE
PDB
PDA
VREF
ENV
OFTR
/RFDET
GND
LDON
BDO
VCC
CSBRT
VDET
CROSS
EMOFF
TEBPF
R754 5.6
701
RF
42
32
33
40
38
39
36
37
SERVO AMP
FOCUS COIL/
TRACKING COIL/
TRAVERSE MOTOR/
SPINDLE MOTOR DRIVE
LASER DIODE
6
8
11
12
10
5
4
9
2
3
1
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
VREF
AIN
BIN
NAOUT
VCC
GND
GND
NBOUT
4
3
2
5
8
7
6
TRACKING
COIL
FOCUS
COIL
CD SERVO CIRCUIT
: + B Line
: CD Signal Line
SCHEMATIC DIAGRAM-7
LASER POWER
DRIVE
50
SA-PM30MD
Summary of Contents for SA-PM30MD
Page 6: ...6 Caution for AC Mains Lead 6 SA PM30MD ...
Page 7: ...7 Operation Procedures 7 SA PM30MD ...
Page 8: ...8 SA PM30MD ...
Page 74: ...16 Wiring Connection Diagram 74 SA PM30MD ...
Page 75: ...17 Troubleshooting Guide 75 SA PM30MD ...
Page 76: ...76 SA PM30MD ...
Page 77: ...77 SA PM30MD ...
Page 78: ...78 SA PM30MD ...
Page 79: ...79 SA PM30MD ...
Page 80: ...80 SA PM30MD ...
Page 81: ...81 SA PM30MD ...
Page 82: ...82 SA PM30MD ...
Page 84: ...18 1 1 Deck Mechanism Parts Location 18 1 Deck Mechanism RAA4106 84 SA PM30MD ...
Page 86: ...18 2 MD Mechanism 18 2 1 MD Mechanism Parts location 86 SA PM30MD ...
Page 88: ...18 3 CD Loading Mechanism 18 3 1 CD Loading Mechanism Parts Location 88 SA PM30MD ...
Page 90: ...18 4 1 Cabinet Parts Location 18 4 Cabinet 90 SA PM30MD ...
Page 91: ...91 SA PM30MD ...