LG OM7550 Manuals

Manuals and User Guides for LG OM7550. We have 2 LG OM7550 manuals available for free PDF download: Service Manual, Owner's Manual

LG OM7550 Service Manual

LG OM7550 Service Manual (89 pages)

Mini Hi-Fi AUDIO

Brand: LG | Category: Stereo System | Size: 23.8 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 Audio Program
  
  9
  - Program Download & Update Guide
    9
- 400 CD Program
  
  10
- 3 Eq Program
  
  11
  - Specifications
    12
Section 2 Cabinet & Main Chassis

14
- Disassembly Instructions
  
  15
  - How to Disassemble the Side Cover (Left & Right)
    15
- Exploded Views
  
  18
Section 3 Electrical

22
- One Point Repair Guide
  
  23
  - Power
    23
  - Amp Power
    24
  - Booting When Power on the Set
    25
  - Vfd Is Not Displayed When Power on the Set
    26
  - Audio Output Is Small or no Audio Output
    27
  - Power on (Standby Led Is Blinking)
    28
  - Speaker no Audio
    29
  - Booting in CD/Usb Function
    31
  - Operation of MD
    36
  - Sound
    41
- Electrical Troubleshooting Guide
  
  46
  - Power Supply on Smps Board
    46
  - System Part
    49
  - Audio Check
    50
  - Lighting (Speaker Led)
    55
- Waveforms of Major Check Point
  
  56
  - Dsp (Ic501)
    56
  - Pwm (Ic202)
    57
  - Servo (Ic401)
    58
  - Motor Driver (Ic400)
    59
  - Adc (Ic201)
    60
  - Bluetooth (Cn504)
    61
- Wiring Diagram
  
  62
- Block Diagrams
  
  63
  - System Block Diagram
    63
  - Power Block Diagram
    64
- Circuit Diagrams
  
  65
  - Smps_Power #1 Circuit Diagram
    65
  - Smps_Power #2 Circuit Diagram
    66
  - Main_Cd Dsp Circuit Diagram
    67
  - Main_Adc/Pwm Circuit Diagram
    68
  - Main_Rf Servo Circuit Diagram
    69
  - Main_Amp Circuit Diagram
    70
  - Main_Aux Out/ Vfd Pwr Circuit Diagram
    71
  - Front Circuit Diagram
    72
  - Vfd/Rmc1 Circuit Diagram
    73
  - Top Circuit Diagram
    74
- Circuit Voltage Chart
  
  75
  - Ics
    75
  - Capacitors
    75
  - Connectors
    76
  - Zener Diodes
    76
- Printed Circuit Board Diagrams
  
  77
Appendix Mechanism (Dm19Aa)

84
- Appendix
  
  85
  - Clamp Assembly
    85
    
    Plate
    85
    
    Magnet
    85
    
    Clamp
    85
  - Cover Top
    85
  - Tray Disc
    86
  - Base Up/Down
    87
  - Pick up Assembly
    87
  - Belt Loading
    88
  - Deck PCB Assembly
    88
  - FFC Cable
    88
  - Gear Loading
    88
  - Gear Pulley
    88
  - Guide
    88
  - Motor Assembly
    88
- Deck Mechanism Disassembly
  
  85
- Deck Mechanism Exploded View (Dm19Aa)
  
  89

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LG OM7550 Owner's Manual

LG OM7550 Owner's Manual (44 pages)

Brand: LG | Category: Stereo System | Size: 2.83 MB

Table of Contents

Table of Contents
6
Table of Contents

7
Getting Started

8
- Unique Features
  8
- Accessories
  8
- Playable File Requirement
  9
- Music File Requirement
  9
- Compatible USB Devices
  9
- USB Device Requirement
  9
- Remote Control
  10
- Top Panel
  12
- Front Panel
  14
- Rear Panel
  15
Connecting

16
- Use of Tripod
  16
- Connecting the Power Cord
  18
- Optional Equipment Connection
  18
- AUX in Connection
  18
- AUX out Connection
  19
- PORT. in Connection
  19
- USB Connection
  20
- Antenna Connection
  20
Operating

21
- Basic Operations
  21
- CD/USB Operations
  21
- Auto Play
  21
- Selecting a Folder and an MP3/WMA File
  22
- On the Remote Control
  22
- Deleting an MP3/WMA File
  23
- Playback Effect
  24
- Dj Effect
  24
- SCRATCH Effect
  24
- Dj Pro
  24
- Auto Dj
  25
- Using BLUETOOTH® Wireless Technology
  25
- About Bluetooth
  25
- Listening to Music Stored on the BLUETOOTH Devices
  26
- Using the Music Flow Bluetooth App
  28
- Install "Music Flow Bluetooth" App
  28
- Activate Bluetooth with "Music Flow Bluetooth" App
  29
- Radio Operations
  30
- Listening to the Radio
  30
- Improving Poor FM Reception
  30
- Presetting the Radio Stations
  30
- Deleting All the Saved Stations
  30
- Sound Adjustment
  31
- Setting the Sound Mode
  31
- Setting the USER EQ
  31
- Advanced Operations
  32
- Recording to USB
  32
- Pausing Recording
  32
- Programmed Playback
  34
- Other Operations
  35
- Turn off the Sound Temporarily
  35
- CHILDSAFE Mode
  35
- Displaying File Information (ID3 TAG)
  35
- Demo
  35
- Using Microphone
  35
- Lighting
  35
- Setting the Clock
  36
- Setting the Clock through "Music Flow Bluetooth" App
  36
- Using Your Player as an Alarm Clock
  36
- Sleep Timer Setting
  37
- Dimmer
  37
- Auto Power down
  37
- AUTO POWER on
  38
- Auto Function Change
  38
- LG Sound Sync
  39
Troubleshooting

40
Appendix

41
- Maintenance
  41
- Notes on Discs
  41
- Handling the Unit
  41
- General Specifications
  42
- Trademarks and Licenses
  43

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