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9.3.
Main-3 Block
RCA
L OUT
C1
100p
RCA
L IN
SGND
RCA
R IN
C3
100p
RCA
R OUT
SGND
SGND
C5
10/50V
L+
R3
C6
470
10/50V
L-
R+
R7
C7
10/50V
470
R-
C8
10/50V
GND
SGND
07-00072-01
The following symbols are
shown on the schematic diagram.
AUDIO(L,R)
B1
33uH
C2
22k
10/50V
B2
33uH
R2
C4
22k
10/50V
C11
10/50V
R4
220k
R5
220k
R8
220k
R9
220k
R28
1.2k
C19
2
0.1
1
0
0
3
0
U3A
R27
240k
SGND
R1
S1
HI/LOW SEL
LOW
R6
22k
HI
R11
12k
SGND
SGND
C18
R26
0.47
750
VR2
B20K
11-06A15-32-G
TP1
C10
100p
VR1
R12
12k
B20k
2
0
1
3
0
0
U1A
07-00072-01
C9
100p
SGND
SGND
TP2
R22
07-00072-01
100
5
0
6
0
R23
470k
R24
SGND
18k
R25
C17
1k
150p
R131
10k
SGND
R13
10k
R15
620
U2B
7
RA1
0
390
R30
10k
17
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