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CJS45F
LG CJS45F Service Manual
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D
A
B
MIC
262
BT
265
265
252
252
A42
H
300
A52
C
F
CABLE2
A00
254
254
443
E
FRONT
A43
266
443
G
443
274
443
263
443
443
443
264
D
E
F
G
C
B
A
A47
273
A46
443
MAIN
SMPS
443
H
CABLE1
A45
272
498
EXPLODED VIEWS
1.
CABINET AND MAIN FRAME SECTION
NOTES)
THE EXCLAMATION POINT WITHIN AN
EQUILATERAL TRIANGLE IS INTENDED
TO ALERT THE SERVICE PERSONNEL
TO THE PRESENCE OF IMPORTANT
SAFETY INFORMATION IN SERVICE
LITERATURE.
2-4
2-3
jomi
17
19
Table of Contents
Section 1 Summary
3
Table of Contents
3
Servicing Precautions
4
Esd Precautions
6
Hidden Key Mode
7
Hidden Key Mode Table
7
Hidden Key Mode Description
8
Service Information for Eeprom
10
Program Download Guide
11
Fota Update Step Using Bt App
13
Specifications
15
Section 2 Cabinet & Main Chassis
16
Cabinet and Main Frame Section
18
Exploded Views
18
Packing Accessory Section
20
Speaker Section
21
Bracket
23
Case Top
23
Disassembly Instructions
23
Panel Rear
24
MAIN Board & SMPS Board
25
Main PCB & SMPS PCB
26
Panel PCB & Multi Knob
27
Bracket SMPS
28
Section 3 Electrical
30
One Point Repair Guide
31
Power
31
Booting When Power on the Set
33
Vfd Is Not Displayed When Power on the Set
34
Operation of MD
36
Sound
41
Electrical Troubleshooting Guide
46
Power (Smps)
46
Ic503(Gd25Q80) Check
49
Mcs Part Check
49
Fld Display Check
50
Pwm Modulation Check
51
Power Amp Part Check
52
Tuner / aux Function Check
53
Tuner Function Check
53
CD Function
54
Double Usb Function
55
Waveforms of Major Check Point
56
Wiring Diagram
58
Block Diagrams
59
System Block Diagram
59
Smps Block Diagram
60
Power Block Diagram
61
Circuit Voltage Chart
62
Input Voltage of Connectors
62
INPUT VOLTAGE of Ics
62
Voltage of Capacitors
62
Printed Circuit Board Diagrams
63
Smps P.C.board
63
Main P.C.board
64
Front P.C.board
65
MIC P.C.board Diagram
66
Other manuals for LG CJS45F
Owner's Manual
42 pages
Service Bulletin
26 pages
Simple Manual
8 pages
4
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LG CJS45F Specifications
General
Brand
LG
Model
CJS45F
Category
Stereo System
Language
English
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