C
R456
1K
C494
1000P
19
18
17
16
15
14
13
12
11
+B(13V)
A.GND
Rch OUT
A.GND
Lch OUT
CK SPD
9
8
7
6
5
4
3
2 CD REQ
CT
CS
+B(10V)
D.GND
CLK
DATA
10
JK401
B
R460
220K
R455
1K
C493
1000P
A
R459
220K
A
C426
100P
D404
MA8082MTX
C416
10V22
C420
10V220
R442
1/2W180
R443
1/4W6.8
IC401
LM2940T5M
REGULATOR
Q405
2SD2137PQTA
REGULATOR
1
2
3
TP402
TP401
1
E401
C419
6.3V220
GND
C405
0.1
D
C
B
V
CC
INPUT
L402
C410
16V470
C412
0.01
C413
0.01
IC402
T0TX178
TRANSMISSION
MODULE
A
B
NC
NC
NC
NC
NC
NC
R441
1/6W0.22
I
G
O
IC400
UPC29M33T
REGULATOR
I
G
O
IC409
TC74HCT7007A
3.3V TO 5V
CONVERTER
14
13
12
11
10
9
7
6
5
4
3
2
1
Y5
A5
Y4
A4
Y3
A3
Vcc
Y0
A0
Y1
A1
Y2
A2
GND
8
C468
6.3V220
C467
0.47
C428
0.1
A
B
C
D
E
F
G
H
I
L408
5V
3.4V
7.8V
To TUNER
MAIN CIRCUIT/
CASSETTE DECK
MAIN CIRCUIT
DIGITAL
OPTICAL
OUT
MAIN CIRCUIT
SCHEMATIC DIAGRAM 5
5V
3.4V
7.8V
5V
0V
(2.7V)
(3.3V) (5V)
0V
0V
0V
(1.7V)
0V
0V
0V
0V
5V
3.4V
7.8V
5V
1.7V
5V
9.8V
7.8V
8.5V
PLAY
0V
5V
T
26.6ms.
PLAY
0V
3.3V
F=75Hz
0V
5V
F=75Hz
PLAY
0V
3.3V
T
26.6ms.
:POSITIVE VOLTAGE LINE
:CD SIGNAL LINE
SL-
SL-
SL-
SL-HD50
HD50
HD50
HD505
5
5
5
23