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CKS57F
LG CKS57F Service Manual
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2-11
Copyright © 2018 LG Electronics Inc. All rights reserved.
Only for training and service purposes.
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Figure D2-2
Figure D3
Power Cord
2-2) Open the two hooks, disconnect the harness cable from the SMPS PCB, and remove the power cord.
3. Plate Bridge
3-1) Pull the Front Assembly in the direction of
and remove the Plate Bridge in the direction of
.
21
23
Table of Contents
Table of Contents
3
Servicing Precautions
4
Esd Precautions
6
Hidden Key Mode
7
Hidden Key Mode Table
7
Hidden Key Mode Description
7
Program Download Guide
8
Fota Update Step Using Bt App
10
Specifications
12
Exploded Views
16
Cabinet and Main Frame Section
16
Packing Accessory Section
18
Speaker Section
19
Disassembly Instructions
21
Assembly Instructions
30
One Point Repair Guide
39
Power
39
Booting When Power on the Set
41
Vfd Is Not Displayed When Power on the Set
42
Operation of MD
43
Sound
48
Electrical Troubleshooting Guide
53
Power (Smps)
53
Mcs Part Check
56
Ic503 Check
56
Fld Display Check
57
Pwm Modulation Check
58
Power Amp Part Check
59
Aux / Tuner Function Check
60
Tuner Function Check
60
CD Function
61
Double Usb Function
62
Waveforms of Major Check Point
63
Wiring Diagram
64
Block Diagrams
65
System Block Diagram
65
Power Block Diagram
66
Circuit Voltage Chart
67
Connectors
67
Capacitors
67
Ics
67
Printed Circuit Board Diagrams
68
Smps P.C.board
68
Main P.C.board
69
Front P.C.board
70
MIC P.C.board Diagram
71
Other manuals for LG CKS57F
Owner's Manual
44 pages
Service Bulletin
26 pages
Simple Manual
4 pages
4
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LG CKS57F Specifications
General
Brand
LG
Model
CKS57F
Category
Stereo System
Language
English
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