Home
LG
Speaker System
DS80QY.DDEULLK
LG DS80QY.DDEULLK Service Manual
4
of 1
of 1 rating
79 pages
Give review
Manual
Specs
To Next Page
To Next Page
To Previous Page
To Previous Page
Loading...
4-7
Copyright © 2022 LG Electronics Inc. All rights reserved.
Only for training and service purposes.
3. PVDD
FIG 3. Woofer PVDD
20~23.5 V is OK
6
6
WC732
4.7uF
/50V
WC734
100nF
/100V
WC731
4.7uF
/50V
DGND
DGND
DGND
WR738
180K
DGND
WC742
100nF
/50V
WC736
100nF
NC
WC752
22uF
/25V
WC757
22uF
/25V
WC756
4.7nF
+12VA
WR739
18K
WC758
NC
DGND
PVDD
WC739
10nF
WR756
2.4K
WR747
0
(S)
WC755
22uF
/25V
WL708
10UH
WC748
100nF
/50V
WIC703
1
BOOT
2
VIN
3
EN
4
SS/TR
5
RT/CLK
6
PWRGD
7
VSENSE
8
COMP
9
GND
10
PH
11
[EP]
WR745
120K
(1%)
WR754
20K
WD701
SMAB36
WC759
22uF
/25V
WR755
33K
WC760
NC
+12VA
WR750
390K
WR751
150K
P_SENSE
PVDD TO 12VA
PVDD from SMPS : 36.5V
FRQ:1MHz
R1
R2
3.3V
65
67
Table of Contents
Section 1 Summary
3
Table of Contents
3
Product Safety Servicing Guidelines for Audio Products
4
Servicing Precautions
5
General Servicing Precautions
5
Insulation Checking Prodedure
5
Electrostatically Sensitive (Es) Devices
5
Connecting the Wireless Subwoofer
6
Connecting the Rear Speakers to the Wireless Receiver (Spq8-S, Sold Separately)
7
Woofer & Rear Pairing Method
8
Mounting the Product to a Wall
9
Firmware Update Guide
11
Preparation
11
Usb Update
12
Oobe Update (Lg App)
16
Oobe Update (Google Home App)
18
Hidden Key Mode
20
Name of each Component
21
Specifications
23
Comparison List
24
Section 2 Cabinet & Main Chassis
26
Disassembly Instructions
27
How to Disassemble the Main Unit
28
How to Disassemble the Subwoofer
30
Exploded Views
32
Main Unit (S90Q) Section
32
Wireless Subwoofer (Spq8-W) Section
33
Packing Accessory Section
34
Section 3 Electrical
36
Wiring Diagram
37
Block Diagram
38
Booting When You Turn the Unit On, no Message or "Hello" on Front Panel
39
One Point Repair Guide
39
Sound
42
Protection Error
46
Crystal
49
Waveforms of Major Check Point
49
Remote Control
50
Optical
51
Printed Circuit Board Diagrams
52
Smps P. C. Board Diagram
53
Main P. C. Board Diagram
55
Amp P. C. Board Diagram
57
Front P. C. Board Diagram
58
Touch P. C. Board Diagram
58
Section 4 Wireless Subwoofer Part
60
Wiring Diagram
61
Block Diagram
62
One Point Repair Guide
63
Power on Error
63
Wireless Connection
64
Crystal
65
Flash Memory
65
Waveforms of Major Check Point
65
Pvdd
66
Pwm
67
Led
68
Printed Circuit Board Diagrams
70
Subwoofer P. C. Board
70
Wiring Diagram
73
Block Diagram
74
One Point Repair Guide
75
Power on Error
75
Wireless Connection
76
Waveforms of Major Check Point
77
Printed Circuit Board Diagrams
78
Rear Kit P. C. Board
79
Other manuals for LG DS80QY.DDEULLK
Owner's Manual
81 pages
4
Based on 1 rating
Ask a question
Give review
Questions and Answers:
Need help?
Do you have a question about the LG DS80QY.DDEULLK and is the answer not in the manual?
Ask a question
LG DS80QY.DDEULLK Specifications
General
Brand
LG
Model
DS80QY.DDEULLK
Category
Speaker System
Language
English
Related product manuals
LG DS80QY
68 pages
LG DS80QR
68 pages
LG DS80TR
74 pages
LG DSP2
37 pages
LG DSH4B
4 pages
LG DSN6Y
47 pages
LG DSP2W
37 pages
LG DSC9S
16 pages
LG DS40T
53 pages
LG DSH7Q
50 pages
LG DSN5Y
16 pages
LG DSP8YA
64 pages
To Next PageTo Next PageTo Previous PageTo Previous Page
Loading...
Need help?
General
