LG SPH4B-W Manuals

Manuals and User Guides for LG SPH4B-W. We have 15 LG SPH4B-W manuals available for free PDF download: Service Manual, Owner's Manual

LG SPH4B-W Service Manual

LG SPH4B-W Service Manual (89 pages)

Wireless Sound Bar

Brand: LG | Category: Speaker System | Size: 18.28 MB

Table of Contents

Section 1 General

3
- Table of Contents
  3
- Esd Precautions
  4
- Location of Customer Controls
  5
- Wireless Subwoofer Connection
  6
- Rear Speakers Connection
  7
- Hidden Key Mode
  8
- Firmware Update Guide
  9
- Specifications
  12
Section 2 Cabinet & Main Chassis

14
- Disassembly Instructions
  15
- How to Disassemble the Main Set
  16
- Exploded Views
  20
- Main Unit Section
  20
- Wireless Subwoofer Section
  22
- Wireless Receiver Section
  24
- Rear Speaker Section
  26
- Packing Accessory Section
  28
Section 3 Electrical

30
- Wiring Diagram
  31
- Block Diagrams
  32
- System Block Diagram
  32
- Power Block Diagram
  33
- Booting When You Turn the Unit On, no Message or "Hello" on Front Panel
  34
- One Point Repair Guide
  34
- Sound
  38
- Protection Error
  41
- Adapter Power Circuit
  43
- Electrical Troubleshooting Guide
  43
- Key Part
  52
- Usb Function
  53
- Optical Function
  54
- Crystal
  55
- Flash Memory
  55
- Waveforms of Major Check Point
  55
- Tact Key
  56
- Usb
  57
- Remote Control
  58
- Optical
  59
- Circuit Voltage Chart
  62
- Main P. C. Board Diagram
  63
- Printed Circuit Board Diagrams
  63
- Key P. C. Board Diagram
  64
Section 4 Wireless Subwoofer Part

66
- One Point Repair Guide
  67
- Power Problem (Pvdd)
  67
- Power on Error
  68
- Wireless Connection
  70
- Voltage
  71
- Waveforms of Major Check Point
  71
- Amp Voltage
  72
- Pwm
  73
- Led
  74
- Wiring Diagram
  76
- Block Diagram
  77
- Printed Circuit Board Diagrams
  78
- Woofer Smps P. C. Board
  78
- Woofer Amp P. C. Board
  79
- Woofer Key P. C. Board
  79
Section 5 Wireless Receiver Part

80
- Wiring Diagram
  81
- Block Diagram
  82
- One Point Repair Guide
  83
- Electrical Troubleshooting Guide
  85
- Waveforms
  86
- Printed Circuit Board Diagrams
  88
- Wireless Receiver Smps P. C. Board
  88
- Wireless Receiver Amp P. C. Board
  89

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LG SPH4B-W Service Manual

LG SPH4B-W Service Manual (72 pages)

Wireless Sound Bar

Brand: LG | Category: Speaker System | Size: 20.45 MB

Table of Contents

Section 1 General

3
Section 2 Cabinet & Main Chassis

14
- Disassembly Instructions
  
  15
  - How to Disassemble the Main Set
    16
- Exploded Views
  
  20
  - Main Unit Section
    20
  - Wireless Subwoofer Section
    21
  - Packing Accessory Section
    22
Section 3 Electrical

23
- Wiring Diagram
  
  24
- Block Diagrams
  
  25
  - System Block Diagram
    25
  - Power Block Diagram
    26
- One Point Repair Guide
  
  27
  - Booting When You Turn the Unit On, no Message or "Hello" on Front Panel
    27
    
    Sound
    31
    
    Protection Error
    34
- Electrical Troubleshooting Guide
  
  36
  - Adapter Power Circuit
    36
  - Key Part
    45
  - Usb Function
    46
  - Optical Function
    47
- Waveforms of Major Check Point
  
  48
  - Crystal
    48
  - Flash Memory
    48
  - Tact Key
    49
  - Usb
    50
  - Remote Control
    51
  - Optical
    52
- Circuit Voltage Chart
  
  55
- Printed Circuit Board Diagrams
  
  56
  - Main P. C. Board Diagram
    56
  - Key P. C. Board Diagram
    57
Section 4 Wireless Subwoofer Part

59
- One Point Repair Guide
  
  60
  - Power Problem (Pvdd)
    60
  - Power on Error
    61
  - Wireless Connection
    63
- Waveforms of Major Check Point
  
  64
  - Voltage
    64
  - Amp Voltage
    65
  - Pwm
    66
  - Led
    67
- Wiring Diagram
  
  69
- Block Diagram
  
  70
- Printed Circuit Board Diagrams
  
  71
  - Woofer Smps P. C. Board
    71
  - Woofer Amp P. C. Board
    72
  - Woofer Key P. C. Board
    72

LG SPH4B-W Owner's Manual

LG SPH4B-W Owner's Manual (40 pages)

Wireless Sound Bar

Brand: LG | Category: Speaker System | Size: 4.28 MB

Table of Contents

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LG SPH4B-W Owner's Manual

LG SPH4B-W Owner's Manual (40 pages)

Wireless Sound Bar

Brand: LG | Category: Speaker System | Size: 4.16 MB

Table of Contents

LG SPH4B-W Owner's Manual

LG SPH4B-W Owner's Manual (38 pages)

Wireless Sound Bar

Brand: LG | Category: Speaker System | Size: 2.6 MB

Table of Contents

LG SPH4B-W Owner's Manual

LG SPH4B-W Owner's Manual (38 pages)

Wireless Sound Bar

Brand: LG | Category: Speaker System | Size: 2.87 MB

Table of Contents

LG SPH4B-W Owner's Manual

LG SPH4B-W Owner's Manual (32 pages)

Wireless Sound Bar

Brand: LG | Category: Speaker System | Size: 2.53 MB

Table of Contents

LG SPH4B-W Owner's Manual

LG SPH4B-W Owner's Manual (37 pages)

Wireless Sound Bar

Brand: LG | Category: Speaker System | Size: 2.61 MB

Table of Contents

LG SPH4B-W Owner's Manual

LG SPH4B-W Owner's Manual (37 pages)

Wireless Sound Bar

Brand: LG | Category: Speaker System | Size: 2.57 MB

Table of Contents

LG SPH4B-W Owner's Manual

LG SPH4B-W Owner's Manual (31 pages)

Wireless Sound Bar

Brand: LG | Category: Speaker System | Size: 1.82 MB

Table of Contents

LG SPH4B-W Owner's Manual

LG SPH4B-W Owner's Manual (24 pages)

Wireless Soundbar

Brand: LG | Category: Speaker System | Size: 2.56 MB

Table of Contents

LG SPH4B-W Owner's Manual

LG SPH4B-W Owner's Manual (24 pages)

Wireless Sound Bar

Brand: LG | Category: Speaker System | Size: 2.55 MB

Table of Contents

LG SPH4B-W Owner's Manual

LG SPH4B-W Owner's Manual (24 pages)

Wireless Sound Bar

Brand: LG | Category: Speaker System | Size: 0.47 MB

Table of Contents

LG SPH4B-W Owner's Manual

LG SPH4B-W Owner's Manual (24 pages)

Wireless Sound Bar

Brand: LG | Category: Speaker System | Size: 4.18 MB

Table of Contents

LG SPH4B-W Owner's Manual

LG SPH4B-W Owner's Manual (24 pages)

Wireless Sound Bar

Brand: LG | Category: Speaker System | Size: 2.52 MB

Table of Contents

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