Home
LG
Speaker System
SPD75A
LG SPD75A 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...
Copyright © 2020 LG Electronics Inc. All rights reserved.
Only for training and service purposes.
2-10
2-9
A
K
E
L
C
D
J
F
H
A80L
G
A80R
A42
I
A80C
WIRELESS
FRONT
WIRELESS
CABLE5
A41
MAIN
AMP
H
G
K
J
I
C
D
E
F
A
CABLE1
CABLE2
CABLE3
A46
A47
A54
263
262
A51
A54
A43
266
L
LCD801
EXPLODED VIEWS
1. MAIN UNIT (SN8) SECTION
27
29
Table of Contents
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
Name of each Component
6
Wireless Subwoofer Connection
8
Rear Speakers Connection (Sold Separately)
9
Woofer & Rear Pairing Method
10
Hidden Key Mode
11
Software Update Guide
12
Specifications
18
Disassembly Instructions
21
How to Disassemble the Main Unit
22
How to Disassemble the Subwoofer
26
Exploded Views
28
Main Unit (Sn8) Section
28
Wireless Subwoofer (Spn8-W) Section
30
Packing Accessory Section
32
Wiring Diagram
35
Block Diagrams
36
System Block Diagram
36
Power Block Diagram
37
One Point Repair Guide
38
Booting When You Turn the Unit On, no Message or "Hello" on Front Panel
38
Sound
41
Protection Error
45
Waveforms of Major Check Point
48
Crystal
48
Remote Control
49
Optical
50
Circuit Voltage Chart
52
Printed Circuit Board Diagrams
53
Main P. C. Board Diagram
53
Amp P. C. Board Diagram
54
Front Led P. C. Board Diagram
55
MIC & Touch P. C. Board Diagram
55
Wiring Diagram
57
Block Diagram
58
One Point Repair Guide
59
Power on Error
59
Wireless Connection
61
Waveforms of Major Check Point
62
Crystal
62
Flash Memory
62
Voltage
63
Amp Voltage
64
Pwm
65
Led
66
Circuit Voltage Chart
68
Printed Circuit Board Diagrams
69
Woofer Smps & Amp P. C. Board
69
Wiring Diagram
71
Block Diagram
72
One Point Repair Guide
73
Electrical Troubleshooting Guide
75
Waveforms
76
Printed Circuit Board Diagrams
78
Wireless Receiver Smps P. C. Board
78
Wireless Receiver Amp P. C. Board
79
Other manuals for LG SPD75A
Owner's Manual
64 pages
4
Based on 1 rating
Ask a question
Give review
Questions and Answers:
Need help?
Do you have a question about the LG SPD75A and is the answer not in the manual?
Ask a question
LG SPD75A Specifications
General
Brand
LG
Model
SPD75A
Category
Speaker System
Language
English
Related product manuals
LG SPD75YA
64 pages
LG SPD7Y
53 pages
LG SPD7R
61 pages
LG SP2
37 pages
LG SP7
52 pages
LG SPM2
37 pages
LG SP7R
16 pages
LG SP8YA
64 pages
LG SP9YA
64 pages
LG SPM7A
43 pages
LG SP60Y
55 pages
LG SPN8-W
64 pages
To Next PageTo Next PageTo Previous PageTo Previous Page
Loading...
Need help?
General
