Adc; Usb - LG OK99 Service Manual

5. ADC

21
22
23
Fig 5. ADC I2S
(IC301 pin15, 16, 17)
ADC PART
PTGND
IC301
1 30
VINR3/VIN3P
VINL2/VIN1M
2
VINL3/VIN4P 29
VINR2/VIN2M
3 28
VINR4/VIN3M
VINL1/VIN1P
4
VINL4/VIN4M 27
VINR1/VIN2P
5 MD0 26
R305
MicBias
10K
6 25
MS/AD
A
VREF
7 MC/SCL 24
D
AGND
8 MOSI/SDA 23
AVDD
9
MISO/GPIO0 22
XO
10 GPIO1/IntA/DMIN 21
XI
11
GPIO2/IntB/DMCLK 20
LDO
12 GPIO3/IntC 19 23
DGND
13
DOUT 18
DVDD
14 BCK 17
IOVDD
15 16
LRCK
SCKI(3.3V)
DGND
21
C321 R322
10uF
5.6K
PT_R
C317
R374
1nF
100K
C322
C318 R323
PTGND
10uF
1nF 5.6K
PT_L
R375
100K
C319 R310
10uF 2.7K
PTGND
TUNER_R
C315
R376
1nF
100K
C320
R311
C316
10uF
2.7K AGND
AGND 1nF
TUNER_L
R377
DVCC_3.3V
100K
AGND
TP301
R307
100
BT_ADC_SCL
TP302
R306 100
ADC_DIR_DAT
TP304
33
R308
MIC_DATA_IN
TP310
R312 33
ADC_DATA_IN
TP311
R319 33
DSPI_BCK
TP312
R320 33
DSPI_LRCK
TP313 DSPI_MCLK
R321 33
22

6. USB

24
25
26
27
(CN502 pin1, 2, 7, 8)
TOP(USB)<-> Main
CN502
U1_2.0_D+
24
U1_2.0_D-
DGND
USB_5V
USB_5V
DGND
U2_1.1_D+
25
U2_1.1_D-
3-38
Copyright © 2018 LG Electronics Inc. All rights reserved.
Fig 6. USB D+/ D-
26
R5B39
TP511 4.7
1
2.0_D1+
TP507
2 2.0_D1-
R5B40
4.7
3
4 C534 C537 C536
10uF 10uF 100nF
TP513
5
TP512
6
DGND
TP516
7 1.1_D+
TP515
8 DGND
1.1_D-
27
Only for training and service purposes.