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SCHEMATIC DIAGRAM-12
MAIN CIRCUIT
R549
C517
330K
22P
A
X502
(32kHz)
C516
18P
B
C515
9P
C
X501
R539
(8MHz)
1M
R538
C514
100
18P
D
5V
5V
: +B SIGNAL LINE
: MAIN SIGNAL LINE
R228
8.2K
R308
4.7K
C221
0.018
A
B
C
D
E
F
G
H
I
J
K
L
M
N
O
P
R
5V
Q
C
A
RB715FT106
B
R690
100K
Q911
KTC3875GRTA
INTERFACE
D
E
F
L502
3.3
H
C529
C532
C513
6.3V1000
0.1
6.3V1000
L501
3.3
H
C524
C528
C531
0.01
6.3V100
6.3V100
R428
8.2K
R310
8.2K
C421
0.018
CN902A
HIGH Lch
1
A.GND
2
HIGH Rch
3
C323
50V3.3
4
LOW
TUNER+15V
5
15V
A+9.5V
10.2V
6
7
TUNER.GND
8
CD A.GND
9
PCONT1
10
MUTE B
11
NC
12
DIMER
CN903A
7.6V
1
TUNER+7.5V
2
D.GND
D+5V
3
5V
NC
4
MD.GND
5
6
D+5V
5V
CD D.GND
7
LED7.5V
7.6V
8
M+7.5V
7.6V
9
10
P .GND
M+9.5V
11
10.2V
NC
12
CN904B
PMD Rch
1
PMD GND
2
L914
3
PMD Lch
D.GND
4
PMD DI
5
PMD DO
6
7
SWD+5V
L911
D507
R982
10K
L913
(CD OP/ CL DET .)
W790
1
2
WH801
GND
4
HALT
3
D506
2
PCONT2
1SS1380TE-17
SYS6V
1
D505
1SS1380TE-17
TO
SPEAKER
TERMINAL
CIRCUIT
(CN902B) ON
SCHEMATIC
DIAGRAM-17
TO
SPEAKER
TERMINAL
CIRCUIT
(CN903B) ON
SCHEMATIC
DIAGRAM-17
TO
HEADPHONE
CIRCUIT
(WH904A) ON
SCHEMATIC
DIAGRAM-20
TO
AC TRANSFORMER
CIRCUIT
(CN801) ON
SCHEMATIC
DIAGRAM-19
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