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S35A1-W
LG S35A1-W Service Manual
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3-23
9. AUDIO AMP
FIG 9-1. AMP IC PVDD: 32 V
28
FIG 9-2.
PVDD
GV
DD
AM
P_
PDN
29
30
31
30
31
FB701
600RH
100R
C707
C708
C709
68K
C710
C711
C712
100R
C714
FB702
600RH
C713
NC
2.2k
29
28
C715
C716
C717
C718
560R
C755
560R
560R
560R
C756
C757
C758
330K
C732
C733
18R
18R
C701
C702
18R
18R
C1
C2
35
37
Table of Contents
Section 1 General
3
Table of Contents
3
Esd Precautions
4
Hidden Key Mode
5
Service Information for Eeprom
5
Mcs / Eq Hidden Key Guide
6
Mcs / Eq Program Update Guide
6
Specifications
7
Section 2 Cabinet & Main Chassis
8
Exploded Views
10
Main Set Section
10
Subwoofer Section
11
Packing Accessory Section
12
Section 3 Electrical
14
One Point Repair Guide
15
Power Problem (Pvdd)
15
Power on Error
16
Sound (Portable Function)
17
Bluetooth
18
Sound (Optical)
19
Electrical Troubleshooting Guide
20
Power Supply Circuit
20
Front Circuit
21
Test & Debug Flow
23
Amp Protection
26
Waveforms of Major Check Point
27
Crystal
27
Flash Memory
28
Tact Key
29
Usb
30
Remote Control
31
Optical
32
Portable
33
Audio Pwm
34
Audio Amp
36
Wiring Diagram
38
Block Diagram
39
Circuit Diagrams
40
Smps Circuit Diagram
40
Main - Dsp Circuit Diagram
41
Main - Power Circuit Diagram
42
Main - Pwm & Amp Circuit Diagram
43
Display/ Key/ Usb Circuit Diagram
44
Circuit Voltage Chart
45
Printed Circuit Board Diagrams
46
Smps P. C. Board Diagram
46
Main P. C. Board Diagram
47
Display P. C. Board Diagram
48
Key P. C. Board Diagram
48
Usb P. C. Board Diagram
48
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Owner's Manual
32 pages
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LG S35A1-W Specifications
General
Brand
LG
Model
S35A1-W
Category
Speaker System
Language
English
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