Home
LG
Speaker System
S55A3-D
LG S55A3-D Service Manual
5
of 1
of 1 rating
67 pages
Give review
Manual
Specs
To Next Page
To Next Page
To Previous Page
To Previous Page
Loading...
3-26
3-25
DCDC
MP1432
[2.5 A]
PVDD
12 VA
3.3 VA
Switch
BD2242G
IO_3.3VA
OSC_3.3VA
SMPS
(24 V)
USB_3.3VA
AMP
TAS5612
DCDC
TPS563200
USB_1.2VA
PLL_1.2VA
Switch
BD2242G
1.2 VA
MLC3730
WIRELESS
Module
PWM PS9860
DIR
CS8422
USB (For update)
VCC_3.3V
WL_3V3
3.3 VA
BT
Module
ADC
PCM1808
PWM_3.3V
VCC_3.3V
RCU
3.3 VA
OPTICAL
3.3 VA
AVCC_5V
VCC_3.3V
DCDC
TPS563200
DCDC
TPS563200
Option
AMP_P_CTRL
MAIN_PWR_CTRL
WL_PWR_CTRL
Switching
TR
12 VA
DRV_VBUS2.0
2. POWER BLOCK DIAGRAM
37
39
Table of Contents
Section 1 General
3
Table of Contents
3
Esd Precautions
4
Wireless Subwoofer Connection
5
Hidden Key Mode
6
Mcs / Eq Hidden Key Guide
7
Mcs / Eq Program Update Guide
8
Specifications
9
Section 2 Cabinet & Main Chassis
10
Exploded Views
12
Main Set Section
12
Wireless Subwoofer Section
13
Packing Accessory Section
14
Section 3 Electrical
16
One Point Repair Guide
17
Power Problem (Pvdd)
17
Power on Error
18
Sound (Portable Function)
19
Wireless
20
Bluetooth
21
Sound (Optical)
22
D(DC) Protection
23
S(Shut Down) Protection
24
B(Burnt) Protection
25
Waveforms of Major Check Point
26
Crystal
26
Flash Memory
27
Tact Key
28
Usb
29
Remote Control
30
Optical
31
Portable
32
Audio Pwm
34
Audio Amp
35
Wiring Diagram
36
Block Diagrams
37
System Block Diagram
37
Power Block Diagram
38
Circuit Diagrams
39
Smps Circuit Diagram
39
Main - Dsp Circuit Diagram
40
Main - Interface Circuit Diagram
41
Main - Pwm & Amp Circuit Diagram
42
Main - Power Circuit Diagram
43
Front Circuit Diagram
44
Circuit Voltage Chart
45
Ics
45
Connectors
46
Printed Circuit Board Diagrams
47
Smps P. C. Board Diagram
47
Main P. C. Board Diagram
48
Front P. C. Board Diagram
49
Section 4 Wireless Subwoofer Part
50
One Point Repair Guide
51
Power Problem (Pvdd)
51
Power on Error
52
Wireless Connection
54
Waveforms of Major Check Point
55
Voltage
55
Amp Voltage
56
Pwm
57
Led
58
Wiring Diagram
60
Block Diagram
61
Circuit Diagrams
62
Woofer Smps Circuit Diagram
62
Woofer Amp Circuit Diagram
63
Woofer Key Circuit Diagram
64
Printed Circuit Board Diagrams
65
Woofer Smps P. C. Board
65
Woofer Amp P. C. Board
66
Woofer Key P. C. Board
66
Other manuals for LG S55A3-D
Owner's Manual
24 pages
5
Based on 1 rating
Ask a question
Give review
Questions and Answers:
Need help?
Do you have a question about the LG S55A3-D and is the answer not in the manual?
Ask a question
LG S55A3-D Specifications
General
Brand
LG
Model
S55A3-D
Category
Speaker System
Language
English
Related product manuals
LG S55A1-D
59 pages
LG S55A2-D
40 pages
LG S55TR
63 pages
LG S53A2-D
82 pages
LG S54A1-D
36 pages
LG SL4
7 pages
LG SN6
42 pages
LG SK1
28 pages
LG SN4
40 pages
LG SN5
42 pages
LG SK5
39 pages
LG SH5
8 pages
To Next PageTo Next PageTo Previous PageTo Previous Page
Loading...
Need help?
General
