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S33A1-D
LG S33A1-D Service Manual
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A
B
E
C
D
F
WIRELESS
SMPS
952
952
952
952
950
A47W
950
950
954
950
950
951
A54W
A900
953
A900A
A910
E
300W
F
D
C
B
A
AMP
950
A45W
2. WIRELESS SUBWOOFER SECTION (S33A1-D)
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.
10
12
Table of Contents
Section 1 General
3
Table of Contents
3
Esd Precautions
4
Micom Hidden Key Mode
5
Update Program
6
Service Information for Eeprom
6
Specifications
7
Section 2 Cabinet & Main Chassis
8
Exploded Views
10
Receiver Bar Section (Nb3530A)
10
Wireless Subwoofer Section (S33A1-D)
11
Packing Accessory Section
12
Section 3 Electrical
14
One Point Repair Guide
15
Electrical Troubleshooting Guide
20
Receiver Bar Troubleshooting
20
Waveforms of Major Check Point
24
Wiring Diagrams
28
Receiver Bar Wiring Diagram
28
Wireless Subwoofer Wiring Diagram
29
Block Diagrams
30
Receiver Bar Block Diagrams
31
Wireless Subwoofer Block Diagram
32
Circuit Diagrams
33
Receiver Bar Circuit Diagrams
34
Circuit Voltage Chart
39
Printed Circuit Board Diagrams
41
Receiver Bar Printed Circuit Board Diagrams
42
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LG S33A1-D Specifications
General
Brand
LG
Model
S33A1-D
Category
Speaker System
Language
English
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