Panasonic SA-AK88 Посібник з експлуатації - Сторінка 37
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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
A
M702
M
SPINDLE
MOTOR
B
TP35
TP38
C
M701
M
TRAVERSE
MOTOR
D
TP37
CD SERVO CIRCUIT
Q701
2SA1037AKSTX
LASER POWER
DRIVE
3.3V
R750
R752
Vcc
CN701
5.6
0
1
1
PDF
A
(1.9V)
2
2
PDE
B
D
3
3
E
LD
4
4
C
A
LD.GND
5
5
B
GND
6
6
NB
7
7
C
GND
8
8
D
NA
9
9
E
VREF
10
10
LPD
11
11
GND
12
12
T+
13
13
C712
0.1
T-
14
14
F+
C711
15
15
0.1
C751
C750
0.1
0.1
F-
16
16
D
C B
A
TP42
VREF
B
A
D
C
(0.4V) (0.2V) (0.1V) (0.4V)
0V
0V
0V
0V
14
15
16
17
18
13
12
11
10
9
0V
0V
0V
0V
(0.1V) (0.7V)
(0.6V)
A
B
D
C
PLAY
(2.5V)
0.5 s. 0.2V/DIV.
3V
1V
(0.2V)
1.7V
1.7V
3.3V
1.7V
1.7V
0V
1
2
3
4
5
6
PLAY
0.2V
P-P
2ms. 0.1V/DIV.
28
27
26
25
24
23
1.7V
1.7V
1.7V
1.7V
1.7V
1.7V
C747
180P
R744
C710
120K
120P
C749
1800P
C742
0.027
TP33
H
G
I
IC703
AN8739SBE2
FOCUS COIL/
TRACKING COIL/
TRAVERSE MOTOR/
SPINDLE MOTOR DRIVE
(0.2V)
0V
7.8V
7.8V
1.7V
19
20
21
22
8
7
6
5
7.8V
1.7V
1.7V
:POSITIVE VOLTAGE LINE
:CD-DA/V-CD(AUDIO & VIDEO) SIGNAL LINE
3.3V
5V
0.9V
(RF)
P-P
TJ701
TP29
TP30
C716
820P
IC701
AN8839NSBE2
SERVO AMP
(2.5V)
(1.5V)
(2.3V)
(3.2V)
3V
1V
0.7V
2.1V
1.8V
0V
0V
7
8
9
10
11
12
13
PLAY
0.6V
P-P
2ms. 0.1V/DIV.
22
21
20
19
18
17
16
1.7V
1.7V
1.7V
1.7V
1.7V
0V
F
E
D
B
A
1.7V
1.7V
23
24
25
26
B
A
4
3
2
1
3.2V
1.7V
1.7V
(0V)
R725
C715
390
2700P
7.7V
7.8V
B
A
14
15
3.2V
(0V)
C
R749
4.7K
C
A
R728
3.9K
B
D
E
F
R731
6.8K
G