13.8. Mic Circuit
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
SCHEMATIC DIAGRAM - 22
SA-MAX750 MIC
CIRCUIT
G
MIC CIRCUIT
: +B SIGNAL LINE
: TUNER/MUSIC PORT/AUX/MIC/BLUETOOTH AUDIO INPUT SIGNAL LINE
NOTE: “ * ” REF IS FOR INDICATION ONLY
E
TO
VOLUME CIRCUIT
(ZJ6300*)
IN SCHEMATIC
DIAGRAM - 20
TO SMPS
CHASSIS GND
MUSIC PORT
MIC
2
3
1
VR6300
MIC VOLUME
C1AB00003130
MIC AMPLIFIER
LB6300
J0JBC0000019
1K
C6318
0.01
C6319
0.01
C6322
1K
C6317
LB6302
J0JBC0000019
LB6301
J0JBC0000019
0.01
C6321
1
7
6
4
2
3
5
JK6301
0.01
C6320
C6314
50V2.2
560
R6306
5
6
1
3
4
2
8
7
CN6103
LB6303
J0JBC0000134
L6302
J0JBC0000134
C6327
0.1
1000P
C6326
1000P
C6323
L6300
J0JBC0000019
1000P
C6315
0.01
C6316
1
2
ZJ6301*
C6325
1000P
C6324
0.01
1
7
6
4
2
3
5
JK6300
R6307
680
C6300
50V4.7
50V4.7
C6307
6.8K
R6301
C6305
16V10
50V0.1
C6304
47P
C6303
100K
R6302
50V1
C6309
100
R6300
C6306
4700P
330
R6305
R6303
4.7K
50V1.0
C6310
C6311
0.015
15K
R6304
C6313
50V0.1
5
6
4
1
2
3
9
11
13
14
12
10
7
8
IC6300
C6302
16V10
INT
GAIN SW
IN
V+
GND
VREF
SENSE
DET
GAIN1
GAIN2
BUFFOUT
BUFFGAIN
OUT
BUFFIN
MIC_GND
KEY1_B
MIC
CHASSIS_GND
CHASSIS_GND
PA_IN_GND
PA_IN_R
+12V
PA_SW
PA_IN_L
Summary of Contents for SA-MAX750LMK
Page 13: ...5 General Introduction 5 1 Media Information ...
Page 14: ...6 Location of Controls and Components 6 1 Remote Control Key Button Operation ...
Page 15: ...6 2 Main Unit Key Button Operation ...
Page 17: ...7 1 1 Service Mode Table ...
Page 24: ...8 Troubleshooting Guide Contents for this section is not available at time of issue ...
Page 27: ...9 3 Main Components and P C B Locations ...
Page 83: ...PSG ...