15.2. Schematic Diagram
8
7
6
5
1
2
3
4
NBOUT
GND
NAOUT
VREF
GND
Vcc
BIN
AIN
M
M
14
15
16
17
18
19
20
13
12
11
10
9
8
7
21
22
23
24
25
26
6
5
4
3
2
1
NC
RSTIN
IN3
IN4
VREF
Vcc
NC
GND
PVcc2
PGND2
NC
D4+
D4
-
D3+
D3
-
/RST
NC
IN2
PC2
NC
IN1
NC
GND
PVcc1
PGND1
NC
D1
-
D1+
D2
-
D2+
A
B
C
D
E
F
G
15
14
13
16
16
15
14
13
12
12
11
8
7
6
5
4
3
2
1
11
10
9
8
7
6
5
4
3
2
1
10
9
15
16
17
18
19
20
21
22
23
24
25
26
27
28
14
13
12
11
10
9
8
7
6
5
4
3
2
1
PDE
Vcc
PDA
PDB
LPD
LD
RF
RFIN
CSBRT
CEA
BDO
LDON
GND
FBAL
TBAL
VREF
FEN
FEOUT
TEOUT
TEN
NC
NC
ENV
NC
OFTR
PDOWN
/RFDET
A
B
C
D
TP36
TP35
C737
0.1
C736
0.1
TP38
TP37
M702
SPINDLE
MOTOR
M701
TRAVERSE
MOTOR
A
B
C
D
C735
0.1
C734
10V220
B
A
D
C
B
A
R736
100
A
B
R729
3.9K
R728
3.9K
C739
1500P
R727
3.9K
R749
4.7K
C752
1000P
C738
0.01
R724
18K
R735
100
R723
6.8K
R731
6.8K
R715
1K
C715
2700P
R725
390
C714
6.3V100
C713
0.1
C712
0.1
C711
0.1
R708
22K
R707
39K
TP42
TP40
C749
2200P
R702
10K
C747
180P
R744
120K
C710
120P
R705
150K
TP33
TP32
R704
1K
R706
1K
I
H
G
F
E
D
C
C742
0.027
B
A
R701
4.7
C701
6.3V33
CN701
(RF)
TP29
C716
820P
TJ701
A
B
C
D
E
D
E
C
A
B
D
C B
A
C751
0.1
C750
0.1
VREF
C702
0.1
C706
2700P
C707
0.027
C704
0.1
C703
6.3V100
Q701
2SA1037AKSTX
LASER POWER
DRIVE
IC701
AN8839NSBE2
SERVO AMP
IC703
AN8739SBE2
FOCUS COIL/
TRACKING COIL/
TRAVERSE MOTOR/
SPINDLE MOTOR DRIVE
TRACKING
COIL
FOCUS
COIL
0.1
2
12
11
3
8
10
5
4
9
680P
680P
1K
0.1
0.047
6
Vcc
PDE
LD
GND
NB
GND
GND
NA
VREF
LPD
GND
T+
T-
F+
F-
A
LD
5V
5V
7.7V
CD SERVO CIRCUIT
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
1.6V
3.3V
1.6V
1.6V
1.6V
(0.2V)
0V
(2.3V)
2.7V
(1.4V)
0.9V
0.7V
1.9V
1.6V
0V
(3.2V)
0V
1.6V
1.6V
1.6V
1.6V
1.6V
1.6V
1.6V
1.6V
0V
3.2V
(0V)
(0.4V)
(0.6V)
0V
0V
0V
0V
0V
7.5V
7.5V
1.6V
1.6V
1.6V
1.6V
1.6V
3.2V
1.6V
1.6V
(0V)
0V
0V
0V
0V
(0.1V) (0.7V)
(0.7V)
7.5V
PLAY
0.1V
P-P
2ms. 0.1V/DIV.
PLAY
2ms. 0.1V/DIV.
0.3V
P-P
PLAY
0.8V
P-P
0.5*s. 0.2V/DIV.
3.3V
7.4V
1.1V
(2V)
3.2V
(2.3V)
2.7V
3.3V
(3V)
:POSITIVE VOLTAGE LINE
:CD PLAYBACK SIGNAL LINE
SA-AK48
40
Summary of Contents for SA-AK48
Page 5: ...5 Precaution of Laser Diode 5 SA AK48 ...
Page 6: ...6 Location of Controls 6 SA AK48 ...
Page 7: ...7 Location of Controls for Remote Control Transmitter 7 SA AK48 ...
Page 14: ...14 SA AK48 ...
Page 15: ...15 SA AK48 ...
Page 17: ...17 SA AK48 ...
Page 19: ...19 SA AK48 ...
Page 20: ...20 SA AK48 ...
Page 21: ...21 SA AK48 ...
Page 22: ...22 SA AK48 ...
Page 23: ...23 SA AK48 ...
Page 26: ...26 SA AK48 ...
Page 28: ...28 SA AK48 ...
Page 30: ...8 12 Measure for tape trouble Follow the Step 1 Step 3 of item 8 1 30 SA AK48 ...
Page 53: ...53 SA AK48 ...
Page 77: ...18 Troubleshooting Guide SA AK48 77 ...
Page 78: ...SA AK48 78 ...
Page 87: ......
Page 94: ......
Page 95: ...22 Cabinet Parts Location 95 SA AK48 ...
Page 96: ...96 SA AK48 ...
Page 97: ...23 Mechanism Parts Location 97 SA AK48 ...
Page 98: ...98 SA AK48 ...
Page 99: ...24 CD Mechanism Parts Location 99 SA AK48 ...
Page 100: ...25 Packaging 100 SA AK48 ...