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18.8. Mic & Voltage Selector Circuit (For PH Only)
1
2
3
SCHEMATIC DIAGRAM - 19
A
K
MIC CIRCUIT
: +B SIGNAL LINE
3
2
B
R2000
100
C2000
C2006
50V4.7
50V0.1
C2004
47P
C
7
6
5
IC2000
C1AB00003130
MIC AMPLIFIER
8
9
10
D
E
F
L
VOLTAGE SELECTOR CIRCUIT (FOR PH ONLY)
(BLK)
TL5*
J
TO
2
G
SMPS CIRCUIT
IN SCHEMATIC
S5701
3
VOLT ADJ
DIAGRAM - 18
1
TL6*
(RED)
H
1
2
3
4
5
6
: MIC AUDIO INPUT SIGNAL LINE
VR2000
EVUF2AF15B14
1
MIC VOLUME JOG
2
1
C2031
0.01
R2004
4.7K
C2005
4700P
5
+9V
4
AGND
3
MIC
2
MIC_SW
C2010
50V4.7
1
DGND
C2016
R2006
R2010
50V1
15K
330
C2026
C2022
50V2.2
2200P
4
3
2
1
JK2001
5
11
12
13
14
C2033
0.01
R2016
4
C2024
L2001
50V0.1
680
J0JBC0000019
3
R2015
560
2
C2032
1000P
1
6
7
4
5
6
7
8
9
JW2004*
TO CHASSIS GND
TL
2001
TL
2000
CN2005*
D
TO
PANEL CIRCUIT
(CN6002)
IN SCHEMATIC
DIAGRAM - 13
MIC
7
8
9
103
10
11
12
13
SA-AKX50PH/PN MIC / VOLTAGE SELECTOR
10
11
12
13
14
A
B
C
D
E
F
G
CIRCUIT
H
14
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