LG LAP340NB Manuals

Manuals and User Guides for LG LAP340NB. We have 1 LG LAP340NB manual available for free PDF download: Service Manual

LG LAP340NB Service Manual

LG LAP340NB Service Manual (55 pages)

4.1ch Base Speaker

Brand: LG | Category: Speakers | Size: 20.12 MB

Table of Contents

Section 1 General

3
- Table of Contents
  3
- Esd Precautions
  4
- Software Update Method
  5
- 1 Connection of the Jig
  
  6
  - Software Download
    6
- 2 Software Download
  
  9
  - Specifications
    18
Section 3 Electrical

26
- One Point Repair Guide
  
  27
  - Power Problem (20 Va)
    27
  - Power on
    28
  - Audio Output
    29
  - Audio out in Optical Function
    30
  - Audio Output in Bt Function
    31
- Electrical Troubleshooting Guide
  
  32
  - Power Supply on Smps Board
    32
  - Power Supply on Main Board
    33
  - Power Supply on Amp Board
    34
  - System Part
    35
  - Audio Output in Optical Function
    36
  - Audio Output in Bt Function
    36
- Waveforms of Major Check Point
  
  38
  - System Part - Micom
    38
  - System Part - Led
    38
  - Audio Part - Optical Input
    39
  - Audio Part - Bt Uart Input
    39
  - System Part - Dac Interface
    40
  - System Part - Dsp X-Tal I/O
    40
  - Audio Part - Dsp I2S
    41
  - Audio Part - Dac Output
    41
  - Audio Part - Line Driver Output
    42
  - Audio Part - Volume IC Output
    42
  - Audio Part - Amp IC Output
    43
- Wiring Diagram
  
  44
- Block Diagram
  
  45
- Circuit Diagrams
  
  46
  - Main - Smps Circuit Diagram
    46
  - Main - Power Circuit Diagram
    47
  - Main - Micom Circuit Diagram
    48
  - Main - Audio Dsp Circuit Diagram
    49
  - Main - Dac/ Amp Circuit Diagram
    50
  - Led Circuit Diagram
    51
  - Key Circuit Diagram
    51
- Circuit Voltage Chart
  
  52
- Printed Circuit Board Diagrams
  
  53
  - Main P. C. Board
    53
  - Led P. C. Board
    55
  - Key P. C. Board
    55

Advertisement

Advertisement

Related Products

LG Categories

Cell Phone

Monitor

Washer

Air Conditioner

Air Conditioner

More LG Manuals