Home
LG
Speakers
SPJ2B-W
LG SPJ2B-W Service Manual
5
of 1
of 1 rating
55 pages
Give review
Manual
Specs
To Next Page
To Next Page
To Previous Page
To Previous Page
Loading...
3-7
ELECTRICAL TROUBLESHOOTING GUIDE
2. KEY PART
YES
YES
YES
YES
YES
NO
NO
Key part
OK
Replace the cables.
Replace the related part.
Check R428 Pull-up resistors.
OK
NO
NO
Check CN800 pin3, 4 voltage.
Check TA800, TA801, TA802, TA803.
Check the connecting cables.
Check R800, R801, R802, R803.
29
31
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
Name of each Component
6
Wireless Subwoofer Connection
7
Hidden Key Mode
8
Software Update Guide
9
Specifications
10
Section 2 Cabinet & Main Chassis
12
Disassembly Instructions
13
How to Disassemble the Main Unit
14
How to Disassemble the Subwoofer
18
Exploded Views
20
Main Unit Section
20
Wireless Subwoofer Section
21
Packing Accessory Section
22
Section 3 Electrical
24
One Point Repair Guide
25
Power Problem
25
Speaker no Audio Output
26
Usb no Detect
27
Electrical Troubleshooting Guide
28
Smps Power Circuit
28
Key Part
30
Power Amp Part
31
Portable Function
32
Optical Function
33
Usb Part
34
Waveforms of Major Check Point
35
Crystal
35
Amp IC
36
Reset IC
37
Amp Fault
38
Wiring Diagram
40
Block Diagram
41
Circuit Voltage Chart
42
Printed Circuit Board Diagrams
43
Smps P. C. Board Diagram
43
Main P. C. Board Diagram
44
Key P. C. Board Diagram
45
Led P. C. Board Diagram
45
Section 4 Wireless Subwoofer Part
46
Electrical Troubleshooting Guide
47
Smps Power Circuit
47
Led Part
49
Power Amp Part
50
Waveforms of Major Check Point
51
Amp IC
51
Wiring Diagram
52
Block Diagram
53
Circuit Voltage Chart
54
Printed Circuit Board Diagram
55
Smps & Amp P. C. Board Diagram
55
Other manuals for LG SPJ2B-W
Owner's Manual
29 pages
5
Based on 1 rating
Ask a question
Give review
Questions and Answers:
Need help?
Do you have a question about the LG SPJ2B-W and is the answer not in the manual?
Ask a question
LG SPJ2B-W Specifications
General
Brand
LG
Model
SPJ2B-W
Category
Speakers
Language
English
Related product manuals
LG SPJ4-S
4 pages
LG SPJ4M-S
45 pages
LG SPK8
4 pages
LG SPK8-S
10 pages
LG SPQ8-S
17 pages
LG S75A1-D
91 pages
LG SOUND 360
24 pages
LG SoundPlate LAP250H
51 pages
LG PL7
35 pages
LG PL5
35 pages
LG PL2
29 pages
LG PK5
31 pages
To Next PageTo Next PageTo Previous PageTo Previous Page
Loading...
Need help?
General
