LG CJS65F Manuals

Manuals and User Guides for LG CJS65F. We have 1 LG CJS65F manual available for free PDF download: Service Manual

LG CJS65F Service Manual

LG CJS65F Service Manual (65 pages)

Brand: LG | Category: Stereo System | Size: 12.25 MB

Table of Contents

Section 1 Summary

3
- Table of Contents
  3
- Servicing Precautions
  4
- Esd Precautions
  6
- 1 Hidden Key Mode Table
  
  7
  - Hidden Key Mode
    7
- 2 Hidden Key Mode Description
  
  8
  - Service Information for Eeprom
    10
  - Program Download Guide
    11
  - Fota Update Step Using Bt App
    13
  - Specifications
    15
Section 2 Cabinet & Main Chassis

16
- Exploded Views
  
  18
  - Cabinet and Main Frame Section
    18
  - Packing Accessory Section
    20
  - Speaker Section
    21
- Disassembly Instructions
  
  22
  - Case Top
    22
  - Bracket
    22
  - Panel Rear
    23
  - MAIN Board & SMPS Board
    24
  - Main PCB & SMPS PCB
    25
  - Panel PCB & Multi Knob
    26
  - Bracket SMPS
    27
Section 3 Electrical

28
- One Point Repair Guide
  
  29
  - No Power
    29
  - No Booting When Power on the Set
    31
  - Vfd Is Not Displayed When Power on the Set
    32
  - No Operation of MD
    34
  - No Sound
    39
- Electrical Troubleshooting Guide
  
  44
  - Power (Smps)
    44
  - Mcs Part Check
    47
  - Ic503(Gd25Q80) Check
    47
  - Fld Display Check
    48
  - Pwm Modulation Check
    49
  - Power Amp Part Check
    50
  - Tuner / Aux Function Check
    51
  - Tuner Function Check
    51
  - CD Function
    52
  - Double Usb Function
    53
- Waveforms of Major Check Point
  
  54
- Wiring Diagram
  
  56
- Block Diagrams
  
  57
  - System Block Diagram
    57
  - Smps Block Diagram
    58
  - Power Block Diagram
    59
- Circuit Voltage Chart
  
  60
  - INPUT VOLTAGE of Ics
    60
  - Input Voltage of Connectors
    60
  - Voltage of Capacitors
    60
- Printed Circuit Board Diagrams
  
  61
  - Smps P.C.board
    61
  - Main P.C.board
    62
  - Front P.C.board
    63
  - MIC P.C.board Diagram
    64

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