Panasonic MD0004056C2 Manual de servicio - Página 7

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Panasonic MD0004056C2 Manual de servicio

SCHEMATIC DIAGRAM-1

NOTE:
The number which noted at the connectors on the schematic diagram as
"SCHEMATIC DIAGRAM-1" or "SCHEMATIC DIAGRAM-2"
indicates the schematic diagram serial number located on the left corner in the schematic diagram.
OPTICAL PICKUP
8
3
LD
11
12
2
10
5
4
9
6
1
2
3
4
8
7
6
5
TRACKING
COIL
FOCUS
COIL
TP36
A
M702
M
SPINDLE
MOTOR
B
TP35
TP38
C
M701
M
TRAVERSE
MOTOR
D
TP37
A

CD SERVO CIRCUIT

Q701
(3V)
2SA1037AKSTX
3.2V
LASER POWER
Vcc
CN701
1
1
DRIVE
1.1V
PDF
A
(2V)
2
2
PDE
B
D
3
3
E
LD
4
4
C
A
GND
5
5
B
GND
6
6
NB
7
7
C
GND
8
8
D
NA
E
9
9
VREF
10
10
LPD
11
11
GND
C712
12
12
0.1
T+
13
13
C711
0.1
T-
14
14
F+
15
15
C751
C750
0.1
0.1
F-
16
16
TP42
D
C B
A
VREF
B
A
D
C
(0.4V)
(0.6V)
0V
0V
0V
0V
0V
14
15
16
17
18
19
13
12
11
10
9
8
0V
0V
0V
0V
(0.1V) (0.7V)
(0.7V)
A
B
D
C
:POSITIVE VOLTAGE LINE
PLAY
0.8V
P-P
(2.3V)
0.5 *s. 0.2V/DIV.
2.7V
IC701
AN8839NSBE2
SERVO AMP
(0.2V)
(2.3V)
1.6V
1.6V
3.3V
1.6V
1.6V
0V
2.7V
1
2
3
4
5
6
7
28
27
26
25
24
23
22
1.6V
1.6V
1.6V
1.6V
1.6V
1.6V
1.6V
C747
C710
180P
120P
R744
120K
C749
2ms. 0.1V/DIV.
2200P
TP40
TP33
I
H
G
F
PLAY
0.1V
P-P
2ms. 0.1V/DIV.
IC703
AN8739SBE2
FOCUS COIL/
TRACKING COIL/
TRAVERSE MOTOR/
SPINDLE MOTOR DRIVE
B
A
7.5V
7.5V
1.6V
1.6V
20
21
22
23
24
7
6
5
4
3
7.5V
1.6V
1.6V
3.2V
(0V)
7.4V
7.7V
:CD PLAYBACK SIGNAL LINE
3.3V
5V
3.3V
(RF)
TJ701
TP29
C716
820P
(1.4V)
(3.2V)
0.9V
0.7V
1.9V
1.6V
0V
0V
8
9
10
11
12
13
14
21
20
19
18
17
16
15
1.6V
0V
3.2V
(0V)
PLAY
0.3V
P-P
C742
0.027
TP32
E
D
C
1.6V
25
26
2
1
A
B
1.6V
1.6V
R725
C715
390
2700P
R749
4.7K
R731
6.8K
5V
B
A
A
R728
3.9K
B
C
D
E
F
G