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S95A1-D
LG S95A1-D User Manual
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2-34
2-33
FUSE
(F901)
BD901
T901
TRA
NS
م
+
م
م
م
(C905,C906)
NOISE FIL
TER
BLOCK
(CM
901,R901,
CM
903,VR901,
LF901,LF902)
PHOTO COUPLER
(PC901)
SNUBBER
BLOCK
(D902,C964,C930
R915,R957,BC901)
DRIVE & S/W
BLOCK
(IC101, D104, R105,
R102, C108 , C109,
ZD101,ZD102,C113)
Y-CA
P
C903
Y-CA
P
C901
RECTIFIER &
SMOOT
ING BLOCK
(D917,C951,
C952,C953)
25 VA (ON)
V-CTRL
OPT (Not Used)
12 VA (STAND-BY)
TH901
FEED-BA
CK
BLOCK
(R931,R920,R949
R930,R928.R914
C919.R907,R912
Q904, IC910)
BLOCK DIAGRAMS
1. POWER BLOCK DIAGRAM
50
52
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
Wireless Subwoofer Connection
6
Lan Update Guide
7
Software Update Guide
11
How to Wireless Factory Reset & Pairing
15
Hidden Mode
15
Version Check
16
Option Edit Guide
17
Specifications
18
Section 2 Electrical
20
One Point Repair Guide
21
Power Problem
21
Booting When You Turn the Unit On, no Message or "Hello" on Front Panel
24
Sound
27
Electrical Troubleshooting Guide
31
Power Supply on Smps Board
31
Power Supply on Main Board
32
System Part
38
Audio Output
40
Hdmi Output
42
Waveforms of Major Check Point
43
Adc I2S Waveform (Ic200)
43
Dsp Output I2S Waveform (Ic600)
44
Lcd Data Line Output Waveform (Ic100)
45
Rmc Waveform
46
I2C Waveform
47
Wiring Diagram
50
Block Diagrams
51
Power Block Diagram
51
System Block Diagram
52
Circuit Diagrams
53
Smps Circuit Diagram
53
Main - Micom Circuit Diagram
54
Main - Mpeg Circuit Diagram
55
Main - Memory Circuit Diagram
56
Main - Adc & I/O Circuit Diagram
57
Main - DCDC Circuit Diagram
58
Main - Dsp Circuit Diagram
59
Main - Dac / Amp Circuit Diagram
60
Hdmi Circuit Diagram
61
Front Circuit Diagram
62
Key Circuit Diagram
63
Circuit Voltage Chart
64
Ics
64
Capacitors
65
Connectors
65
Printed Circuit Board Diagrams
66
Smps P. C. Board Diagram
66
Main P. C. Board Diagram
67
Hdmi P. C. Board Diagram
68
Front P. C. Board Diagram
68
Key P. C. Board Diagram
68
Section 3 Cabinet & Main Chassis
70
Disassembly Instructions
71
Exploded Views
78
Main Set Section
78
Wireless Subwoofer Section
79
Packing Accessory Section
80
Section 4 Wireless Subwoofer Part
82
One Point Repair Guide
83
Power Problem
83
Power on Error (12 V, 5 Va)
85
Power on Error (3.3 Va, 3 V)
86
Wireless Connection
87
Circuit Diagrams
88
Woofer Smps Circuit Diagram
88
Woofer Amp Circuit Diagram
89
Woofer Key Circuit Diagram
90
Printed Circuit Board Diagrams
91
Woofer Smps P. C. Board
91
Woofer Amp P. C. Board
92
Woofer Key P. C. Board
92
4
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LG S95A1-D Specifications
General
Brand
LG
Model
S95A1-D
Category
Speaker System
Language
English
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