Waveforms Of Major Check Point - LG S90QY Service Manual

WAVEFORMS OF MAJOR CHECK POINT

 AUDIO PART (I2S)
1
Fig 1-1. I2S LRCK
WCN701 pin1
1
2
04-6263-226-000-894+
From Wireless Module
26PIN 0.50MM FFC STRAIGHT
TOP SMD NON_LOCKING
WCN701
WTP701
LRCK
1
GND
2
WTP702
BCK
3
WTP703
PAIRING_SW 4
WTP704
AMP_SD 5
WTP705
AMP_PDN 6
WTP706
PWM_RST 7
WTP707
P_CTRL
8
WTP708
P_SENSE 9
WTP709
RESET
10
WTP710
SPI_WP 11
WTP711
SPI_CS 12
WTP712
SPI_CLK
13
WTP713
SPI_DO 14
WTP714
SPI_DI 15
WTP715
SDA
16
WTP716
SCL
17
GND
18
WTP717
ADATA_REAR/TOP 19
WTP718
DATA2 20
GND 21
WTP719
RED_LED 22
WTP720
GREEN_LED 23
GND
24
GND 25
WTP721
3.3VA
26
WTP722
2
+3.3VA
WR724 WR725
10K 10K
WR701 100
WR702 100
WR703 100
WR704 100
WR705
100
WR706
100
WR707 100
WR708 100
WR709 100
WR710 100
WR711 100
100
WR712
100
WR713
WR714 100
WR715 100
WR716 100
WR717 33
WC706
47pF
DGND
WR718 100
WR719 100
+3.3VA
WL701
PZ1608U221-1R4TF
WC724 WU701 WC705
100nF 100uF 10pF
NC
DGND
5-6
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Fig 1-2. I2S BCK
WCN701 pin3
I2S
LRCK
BCK
PAIRING
AMP_SD/OTW Control Port
AMP_PDN
PWM_RST
P_CTRL
P_SENSE
SPI_WP SPI(Serial Flash)
SPI_CS
SPI_CLK
SPI_DO
SPI_DI
PWM_SDA PWM I2C
PWM_SCL
I2S DATA
ADATA2
LED CTRL
LED_RED
LED_GREEN
Only for training and service purposes.