LG SPH7B-W Manuals

Manuals and User Guides for LG SPH7B-W. We have 1 LG SPH7B-W manual available for free PDF download: Service Manual

LG SPH7B-W Service Manual

LG SPH7B-W Service Manual (91 pages)

SMART Hi-Fi AUDIO Wireless Multi-room Sound Bar

Brand: LG | Category: Speaker System | Size: 26.23 MB

Table of Contents

Section 1 Summary

3
Section 2 Cabinet & Main Chassis

20
- Disassembly Instructions
  
  21
  - How to Disassemble the Main Set
    22
  - How to Disassemble the Woofer
    26
- Exploded Views
  
  28
  - Main Set Section
    28
  - Wireless Subwoofer Section
    29
  - Packing Accessory Section
    30
Section 3 Electrical

32
- One Point Repair Guide
  
  33
- Waveforms of Major Check Point
  
  57
  - Mpeg X-Tal
    57
  - Pwm X-Tal
    57
  - Mpeg
    58
- Wiring Diagram
  
  60
- Block Diagrams
  
  61
  - System Block Diagram
    61
  - Power Block Diagram
    62
- Circuit Diagrams
  
  63
  - Main - Micom Circuit Diagram
    63
  - Main - Mpeg Circuit Diagram
    64
  - Main - Memory Circuit Diagram
    65
  - Main - Adc & I/O Circuit Diagram
    66
  - Main - Dc_Dc Circuit Diagram
    67
  - Main - Amp Circuit Diagram
    68
  - Front Circuit Diagram
    69
  - Key Circuit Diagram
    70
- Circuit Voltage Chart
  
  71
  - Ics
    71
  - Capacitors
    72
  - Connectors
    72
- Printed Circuit Board Diagrams
  
  73
  - Main P. C. Board Diagram
    73
  - Front P. C. Board Diagram
    74
  - Key P. C. Board Diagram
    74
Section 4 Wireless Subwoofer Part

76
- One Point Repair Guide
  
  77
  - Power on Error
    77
  - Wireless Connection
    79
- Waveforms of Major Check Point
  
  80
  - Crystal
    80
  - Flash Memory
    80
  - Voltage
    81
  - Amp Voltage
    82
  - Pwm
    83
  - Led
    84
- Wiring Diagram
  
  86
- Block Diagram
  
  87
- Circuit Diagrams
  
  88
  - Woofer Smps & Amp - Smps Circuit Diagram
    88
  - Woofer Smps & Amp - Amp Circuit Diagram
    89
- Circuit Voltage Chart
  
  90
- Printed Circuit Board Diagrams
  
  91
  - Woofer Smps & Amp P. C. Board
    91

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