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7. FM
16
FIG 7-1. ADC IC 5 V
17
FIG 7-2. ADC IC 3.3 V
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FIG 7-3. TUNER AUDIO
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IC202
14
VINR
VREF
13
VINL
AGND
12
VCC
FMT
11
VDD
MD1
10
DGND
MD0
9
SCKI
DOUT
8
LRCK
BCK
20
19
18
17
1
NC
2
FMI
LOUT/[DFS]
3
RFGND
ROUT/[DOUT]
IC402
4
LPI
5
RST
9
10
6
7
8
TGND
3-19
Copyright © 2019 LG Electronics Inc. All rights reserved.
C283
10uF
C246
1
16
220(1)
100nF
2
TGND
3
D_3.3V
4
C242
5
100nF
6
FB225
220(1)
7
TGND
17
C2A4
C2A2
100nF
10uF
/10V
DGND
DGND
18
16
TUNER_L
TUNER_R
15
DOUT
14
R408
100
FB406
13
R409
100
NC
12
GND
FB402
PZ1608U221-1R4TF
11
VA
C436
C438
100nF
10uF
A_3V3
Close to pin
TGND
FB401
PZ1608U221-1R4TF
Close to pin
FB405
C439
NC
10uF
TGND
Only for training and service purposes.
VCC_5V
FB2A2
C284
10uF
/10V
VCC_5V
D_3.3V
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