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4.3.
Main (Tuner AUX) Circuit
1
2
3
SCHEMATIC DIAGRAM - 8
A
A
MAIN (TUNER AUX) CIRCUIT
B
C
MI
TUN_INT
MI
OP
G_TUN_BCK
MI
OP
TUN_WCK
OP
TUN_SDO
FE
CO
OP
PW_3R3V
VR
DA
DS
D
BT
FL
OP
VR
MI
DS
US
DA
CO FE
DGND
OP
MI
I2C_SDA
OP
MI
I2C_SCL
MI
TUN_RST
E
F
G
H
1
2
3
4
5
6
: +B SIGNAL LINE
: AUX/TUNER SIGNAL LINE
C6099
R6146
R6133
680P
4.7K
10K
R6208
R6207
4.7K
4.7K
C6100
R6147
R6134
680P
4.7K
10K
C6109
C6108
1
1
R59
C66
33P
2.2K
IC52
VUEALLPT091
C65...PP
FM RADIO RECEIVER
6P
16
17
18
19
20
T1
C67
RIN
LB52
3P
LIN
15
NC
1
0
14
DFS
2
FMI
13
DOUT
RFGND
3
THERMAL
R52
PAD
12
GND
AMI
4
220
VDD
11
RST
5
VIO
LB53
C61
J0JYC0000656
10
9
8
7 6
0.1
C62
0.1
R6104
47
R6105
47
R6106
47
4
5
6
7
8
9
: FM SIGNAL LINE
JK6002
4
LB6101
J0JYC0000656
3
C6111
100P
AUX IN
C6112
LB6102
100P
J0JYC0000656
2
1
JK51
G1
C51
L51
G1CR18JA0020
1000P
FM ANT
C64...PP
VA51
3P
LB51
G2
EZAEG2A50AX
J0JYC0000656
7
8
9
7
10
11
12
13
MA: MAIN (MAIN): SCHEMATIC DIAGRAM - 1 ~ 2
BT: MAIN (BLUETOOTH): SCHEMATIC DIAGRAM - 3
CO: MAIN (CONNECTOR): SCHEMATIC DIAGRAM - 3
FL: MAIN (FAN LED): SCHEMATIC DIAGRAM - 3
FE: MAIN (FE): SCHEMATIC DIAGRAM - 4
DA: MAIN (DAMP): SCHEMATIC DIAGRAM - 5
DS: MAIN (DSP): SCHEMATIC DIAGRAM - 6
OP: MAIN (OPT_SRC): SCHEMATIC DIAGRAM - 7
TU: MAIN (TUNER AUX): SCHEMATIC DIAGRAM - 8
US: MAIN (USB): SCHEMATIC DIAGRAM - 8
VR: MAIN (VOLTAGE REGULATOR): SCHEMATIC DIAGRAM - 9
SC-UA3GS/GSX/PP
MAIN (TUNER AUX)
10
11
12
13
14
A
B
C
D
E
F
G
CIRCUIT
H
14
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