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SCHEMATIC DIAGRAM-8
MAIN CIRCUIT
JK301
Lch
C401
100P
AUX
C201
100P
Rch
CN301
TO
USB+5V
1
USB CIRCUIT
D.GND
2
(WH301) ON
USB Rch
3
SCHEMATIC
A.GND
4
DIAGRAM-16
USB Lch
5
Vcc
1
JK731
OPT
GND
2
DIGITAL IN
V OUT
3
R734
2.2K
CN601A
1
2
3
4
5
6
7
8
TO
9
PANEL CIRCUIT
10
(CN601B) ON
11
SCHEMATIC
12
DIAGRAM-13
13
14
15
16
17
18
19
20
21
CN101A
T .GND
1
+B(15V)
2
SD
3
+B(7.5V)
4
TO
NC
5
TUNER PACK
Rch IN
6
RAN00005EM-2
CE
7
Lch IN
8
DI
9
DO/ ST
10
CL
11
TUNER PACK
CIRCUIT
R401
C429
27K
16V10
R434
100K
R234
R201
C229
100K
27K
16V10
IC304
C0DBZHC00008
REGULATOR
C305
5V
7.6V
C306
1
50V2.2
4
5
V OUT
V IN
NP
Vss
ON/OFF
3
2
1
1.2V
2.6V
C303
R312
4700P
10K
R314
5.6K
R232
5.6K
R432
5.6K
Q731
KTA1504GRTA
POWER SUPPLY
5V
5V
R735
C731
C735
R736
3.3K
0.1
50V1
4.7K
4.3V
R733
4.7K
0V
Q732
KRC102STA
POWER SUPPLY
CONT.
Q
L
7.6V
J
5V
j
d
b
Z
a
R
T
U
g
h
b
d
L
5V
V
W
X
C101
0.1
C102
0.1
WH101
CN101B
1
1
L101
2
2
3
3
L102
4
4
5
5
6
6
7
7
8
8
9
9
10
10
11
11
: +B SIGNAL LINE
: AM/FM SIGNAL LINE
IC302
TC4052BFNELM
SIGNAL SELECTOR
8
7
6
Vss
V EE
INH
S1
S3
S0
B
A
9
10
11
0V
9.5V
5.1V
R235
3.9K
R202
A
4.7V
F
D
E
D
I
D
E
F
G
H
R402
3.9K
R433
R435
3.9K
3.9K
5.1V
5.1V
5.1V
5
4
3
2
1
S3
S2
S0
S1
S2
V DD
12
13
14
15
16
5.1V
5.1V
9.6V
R313
47K
C301
R233
R316
0.1
3.9K
47
3.9K
R317
1K
0V
C304
Q306
6.3V1000
KRC102STA
SWITCHING (USB)
IC702
UPC29M33HF
REGULATOR
IN
GND
OUT
1
2
3
5V
3.3V
C704
C702
6.3V470
16V22
IC732
XC62CP3302TH
REGULATOR
IN
GND
OUT
1
2
3
3.3V
C737
C736
6.3V470
16V22
5V
I
Q153
KRC102STA
SWITCH
A
B
C
4.5V
K
S
A
B
C
D
S
Q153
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