LG OM4560FB Manuals

Manuals and User Guides for LG OM4560FB. We have 1 LG OM4560FB manual available for free PDF download: Service Manual

LG OM4560FB Service Manual

LG OM4560FB Service Manual (58 pages)

MINI HI-FI AUDIO

Brand: LG | Category: Stereo System | Size: 14.41 MB

Table of Contents

Section 1 Summary

3
- Table of Contents
  3
- Servicing Precautions
  4
- Esd Precautions
  6
- Hidden Key Mode
  7
- Service Information for Eeprom
  8
- 1 Mcs Program
  
  9
  - Program Download & Update Guide
    9
- 2 Eq Program
  
  10
  - Specifications
    11
Section 2 Cabinet & Main Chassis

12
- Exploded Views
  14
Section 3 Electrical

18
- One Point Repair Guide
  
  19
  - Power
    19
  - Booting When Power on the Set
    21
  - Vfd Is Not Displayed When Power on the Set
    22
  - Operation of MD
    24
  - Sound
    29
  - Protection
    33
- Electrical Troubleshooting Guide
  
  36
  - Power (Smps)
    36
  - Mcs Part Check
    39
  - Ic503(Mx25L3235E) Check
    39
  - Vfd Display Check
    40
  - Pwm Modulation Check
    41
  - Power Amp Part Check
    42
  - Tuner / Aux Function Check
    43
  - Tuner Function Check
    44
  - CD Function Check
    45
  - Single Usb Function
    46
- Waveforms of Major Check Point
  
  47
  - Sdram
    47
  - Servo
    47
  - Audio Path
    47
  - Usb
    47
- Wiring Diagram
  
  48
- Block Diagrams
  
  49
  - System Block Diagram
    49
  - Smps Block Diagram
    50
  - Audio Path Block Diagram
    51
  - Power Block Diagram
    52
- Circuit Voltage Chart
  
  53
  - Ics
    53
  - Capacitors
    53
- Printed Circuit Board Diagrams
  
  54
  - Smps P.C.board
    54
  - Main P.C.board
    55
  - Front P. C. Board
    56
  - Jack P. C. Board
    57
  - Speaker Led Display P. C. Board
    57

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