103
18.8. Mic & Voltage Selector Circuit (For PH Only)
A
1
2
3
4
5
6
7
8
9
10
11
12
13
14
1
2
3
4
5
6
7
8
9
10
11
12
13
14
C
D
B
E
G
H
F
A
C
D
B
E
G
H
F
L
VOLTAGE SELECTOR CIRCUIT (FOR PH ONLY)
SA-AKX50PH/PN MIC / VOLTAGE SELECTOR
CIRCUIT
J
TO
SMPS CIRCUIT
IN SCHEMATIC
DIAGRAM - 18
K
MIC CIRCUIT
SCHEMATIC DIAGRAM - 19
: +B SIGNAL LINE
: MIC AUDIO INPUT SIGNAL LINE
D
TO
PANEL CIRCUIT
(CN6002)
IN SCHEMATIC
DIAGRAM - 13
(BLK)
TL5*
TL6*
(RED)
S5701
VOLT ADJ
2
3
1
1
7
6
4
2
3
5
JK2001
MIC
C2033
0.01
C2032
1000P
C2007
16V10
C2024
50V0.1
C2015
50V1
5
6
4
1
2
3
9
11
13
14
12
10
7
8
IN
VREF
INT
V+
GND
GAIN1
OUT
BUFFOUT
BUFFGAIN
BUFFIN
SENSE
GAIN SW
C2004
47P
50V4.7
C2010
C2006
50V0.1
C2026
50V2.2
2200P
C2022
C2016
50V1
C2000
50V4.7
DET
GAIN2
C2005
4700P
2
3
1
VR2000
EVUF2AF15B14
MIC VOLUME JOG
2
3
1
5
4
CN2005*
MIC
AGND
MIC_SW
DGND
+9V
R2015
560
R2016
680
L2001
J0JBC0000019
100K
R2005
R2006
15K
R2010
330
R2000
100
R2004
4.7K
IC2000
C1AB00003130
MIC AMPLIFIER
C2035
16V10
R2352
6.8K
0.01
C2031
2000
2001
TL
TL
JW2004*
1
2
TO CHASSIS GND
Summary of Contents for SA-AKX50PH
Page 13: ...13 5 Location of Controls and Components 5 1 Main Unit Key Button Operation ...
Page 14: ...14 5 2 Remote Control Key Button Operation ...
Page 15: ...15 5 3 Media Information ...
Page 20: ...20 6 4 Self Diagnostic Mode ...
Page 31: ...31 9 2 Main Components and P C B Locations ...
Page 74: ...74 ...
Page 84: ...84 ...
Page 112: ...112 ...
Page 118: ...118 ...
Page 132: ...132 MMH1003 ...