LG DS80QY.DDEULLK Service Manual

5-6
Copyright © 2022 LG Electronics Inc. All rights reserved.
Only for training and service purposes.
Fig 1-1. I2S LRCK
WCN701 pin1
Fig 1-2. I2S BCK
WCN701 pin3
WAVEFORMS OF MAJOR CHECK POINT
 AUDIO PART (I2S)
1
2
WTP713
DGND
WTP706
WTP722
WTP710
WTP704
WC706
47pF
WTP702
WTP712
PWM_SDA
WTP721
WTP720
WR717 33
WTP718
DGND
WTP708
WR716 100
WTP717
WTP703
WTP711
ADATA2
WCN701
04-6263-226-000-894+
1
LRCK
2
GND
3
BCK
4
PAIRING_SW
5
AMP_SD
6
AMP_PDN
7
PWM_RST
8
P_CTRL
9
P_SENSE
10
RESET
11
SPI_WP
12
SPI_CS
13
SPI_CLK
14
SPI_DO
15
SPI_DI
16
SDA
17
SCL
18
GND
19
ADATA_REAR/TOP
20
DATA2
21
GND
22
RED_LED
23
GREEN_LED
24
GND
25
GND
26
3.3VA
WR724
10K
WR709
100
WR710
100
WR704
100
WR725
10K
WC725
10uF
WR707
100
WC724
100nF
+3.3VA
WR705
100
WR711
100
WR715
100
WR701
100
+3.3VA
WR712
100
WR708
100
LRCK
BCK
AMP_PDN
WR702
100
PWM_RST
WU701
100uF
NC
WR703
100
WR713
100
WC705
10pF
WR706
100
WR714
100
LED_GREEN
WR718 100
WTP716
SPI_CLK
WTP701
SPI_WP
WTP707
SPI_DI
P_SENSE
P_CTRL
LED_RED
WTP705
WR719 100
WTP719
SPI_DO
PAIRING
PWM_SCL
WTP714
SPI_CS
WTP715
AMP_SD/OTW
WTP709
WL701
PZ1608U221-1R4TF
26PIN 0.50MM FFC STRAIGHT
TOP SMD NON_LOCKING
PWM I2C
Control Port
From Wireless Module
LED CTRL
SPI(Serial Flash)
I2S
I2S DATA
1
2

LG DS80QY.DDEULLK Specifications

General

Brand	LG
Model	DS80QY.DDEULLK
Category	Speaker System
Language	English