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SCHEMATIC DIAGRAM-10
MAIN CIRCUIT
L736
100
H
N
L
A
3.3V
3.4V
16
15
14
13
12
NC
6Y
6A
NC
Vcc
1Y
1A
2Y
1
2
3
4
5
3.3V
3.3V
3.7V
0V
C705
0.1
K
G
B
A
B
C
D
P
5V
1.5V
5V
14
13
12
11
Vcc
A5
Y5
A4
A0
Y0
A1
Y1
1
2
3
4
0V
0V
0V
(2.4V)
(3.7V)
(3.3V)
(4.9V)
A
B
g
K
i h
A B A B
f e
R701
1K
CN701
1
2
3
4 5 6 7 8 9 10 11 12 13
: +B SIGNAL LINE
C734
R738
68P
1K
R
V
W
3.3V
3.4V
3.3V
3.4V
11
10
9
5Y
5A
4Y
4A
2A
3Y
3A GND
6
7
8
0V
3.3V
3.4V
Y
IC703
TC74HC4050EL
O
CONVERTER
3.3V
3.3V
IC501
TC74HCT7007A
M
R503
CONVERTER
1K
X
R517
100
n
(0.5V)
(3.2V)
0.7V
5V
10
9
8
Y4
A3
Y3
A2
Y2
GND
5
6
7
0V
0V
0V
R505
100
q
R506
100
S
R507
100
m
M
A C E C D F
D
C
14
15
16
17
19 20 21 22 23 24
25
18
TO
CD SERVO CIRCUIT
(CN702) ON
SCHEMATIC
DIAGRAM-7
: MAIN SIGNAL LINE
: CD SIGNAL LINE
Q202,203,402,403
R429
C416
2.2K
0.15
D
Q403
7.4V
R422
4.7K
3.1V
R229
2.2K
2.5V
R419
C422
5.6K
470P
A
R431
R430
10K
2.7K
C216
0.15
R421
Q203
82K
7.4V
3.1V
R219
C222
2.5V
5.6K
470P
B
R305
R231
R230
10K
2.7K
2.5V
Q302
D301
2SJ498CTA
1SS355TE17
SOUND CONTROL
C
F
H
J
C703
0.1
(0V)
3.3V
3.3V
3.3V
0.6V
16
15
14
13
12
Vcc
NG2
6A
6Y
5A
IC701
C0JBAZ001800
CONVERTER
NG1
1A
1Y
2A
2Y
1
2
3
4
5
1.7V
1.7V
0V
0V
(1.7V)
(1.7V)
A
B
C
D
B
F
D
G
H
I
J
K
L
M
3.3V
5V
CN731
1
2
3
4 5 6 7 8 9 10 11 12 13
: MD SIGNAL LINE
: MD RECORD SIGNAL LINE
KTC3875GRTA
FILTER AMP
C417
9.5V
0.15
7.7V
Q402
R423
7.1V
C418
100K
470P
C419
R426
0.1
1.5K
R425
R224
4.7K
22K
9.5V
C217
0.15
7.7V
Q202
R223
7.1V
R222
C218
100K
4.7K
470P
C219
R226
0.1
1.5K
C317
R304
50V1
3.9K
R225
Q303
4.7K
KTC3875GRTA
3.3M
FILTER AMP
1.6V
D
S
C319
C320
R307
0.047
G
7.7V
15K
C318
470P
0.15
Q701
KTA1504GRTA
R703
SWITCHING (LOADING)
100
3.3V
1.7V
R702
1K
1.7V
D
C
I
Q702
KTC3875GRTA
SWITCHING (LOADING)
(0V)
(0V)
(0V)
0.3V
0.6V
0.3V
11
10
9
5Y
4A
4Y
3A
3Y
GND
6
7
8
1.7V
1.7V
E
F
N
O
P
T
U
E
F
C740
C738
0.1
0.1
14
15
16
17
18
19 20 21 22 23 24
25 26 27 28 29
TO
MD SERVO CIRCUIT
(CN4) ON
SCHEMATIC
DIAGRAM-5
R427
15K
C420
1800P
A
R227
15K
C220
1800P
B
9.5V
2.7V
2.1V
C
5V
Z
0V
Y
a
B
A
L740
1
H
30
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