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RAT376B
LG RAT376B Service Manual
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2-3
2-4
EXPLODED VIEWS
1. CABINET AND MAIN FRAME SECTION (RAT376)
I
460
262
279
460
D
H
G
C
C
F
E
B
A
F
E
H
G
D
I
A
B
FRONT
MAIN
USB
SMPS
260L
460
460
261
460
460
264
451
A47
276
265
259
A26
460
460
A46
300
460
460
273
274
460
CABLE2
260R
A43
A44
460
A42
460
251
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.
13
15
Table of Contents
Section 1 Summary
3
Table of Contents
3
Servicing Precautions
4
Opt2
5
Esd Precautions
6
Service Information for Eeprom
7
Program Download Guide
8
Specifications
10
Section 2 Cabinet & Main Chassis
12
Exploded Views
14
Cabinet and Main Frame Section (Rat376)
14
Mechanism Deck Section (CDM-345)
15
Packing Accessory Section
16
Speaker Section
17
Section 3 Electrical
20
One Point Repair Guide
21
No Power
21
No Booting When Power on the Set
23
Vfd Is Not Displayed When Power on the Set
24
No Operation of MD
26
No Sound
31
Audio Electrical Troubleshooting Guide
35
Power (Smps)
35
Μ-COM PART CHECK
39
Ic101(S24Cs16A01) Check
39
Fld Display Check
40
Pwm Modulation Check
41
Power Amp Part Check
43
Tuner / Aux Function Check
44
Tuner Function Check
45
Cdp Electrical Troubleshooting Guide
46
CD Function
46
Usb Function
47
Waveforms
48
Wiring Diagram
52
Block Diagrams
53
Overall Block Diagram
53
Smps Block Diagram
54
Circuit Diagrams
55
Smps Circuit Diagram
55
Micom & Ad Circuit Diagram
56
Pwm & Amp Circuit Diagram
57
CD Dsp & Servo Circuit Diagram
58
Front Circuit Diagram
59
Usb Circuit Diagram
60
Circuit Voltage Chart
61
Printed Circuit Board Diagrams
63
Main P.C.board
63
Smps P.C.board
65
Front P.C.board
65
Usb P.C.board
66
Other manuals for LG RAT376B
Owner's Manual
24 pages
4
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LG RAT376B Specifications
General
Brand
LG
Model
RAT376B
Category
Stereo System
Language
English
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