Original and complete CM8430 Bluetooth Mini Hi-Fi X metal bass shelf system service manual as used by all authorized LG technicians and repair shops!
This manual is a real must-have for all you owner, DIY technicians and tech hobbyists in order to fix, troubleshoot and repair this great device the absolute best way there is!
CONTENTS
Servicing Precautions
ESD Precautions
Hidden Key Mode
Service Information For EEPROM
Program Upgrade Guide
Specifications
Exploded Views
One Point Repair Guide
No Power
No Booting When Power On The Set
Vfd Is Not Displayed When Power On The Set
No Booting In Cd/Usb Function
No Operation Of Md
No Sound
Audio Output Is Small Or No Audio Output
No Power On (Standby Led Is Blinking)
Speaker No Audio
Electrical Troubleshooting Guide
Power Supply On Smps Board
System Part
No Audio Part
No Lighting (Woofer Speaker)
Waveforms Of Major Check Point
Wiring Diagram
Block Diagrams
Smps Block Diagram
Main System Block Diagram
Main Power Block Diagram
Circuit Diagrams
Smps - Power #1 Circuit Diagram
Smps - Power #2 Circuit Diagram
Main - Micom Circuit Diagram
Main - Cd Dsp Circuit Diagram
Main - Servo Circuit Diagram
Main - Adc/ Pwm Circuit Diagram
Main - Amp Circuit Diagram
Volume Circuit Diagram
Vfd Circuit Diagram
Mic Circuit Diagram
Portable Circuit Diagram
Woofer Speaker Led - Driver Circuit Diagram
Woofer Speaker Led - Sub Circuit Diagram
Circuit Voltage Chart
Printed Circuit Board Diagrams
Smps P
Main P
Volume P
Vfd P
Mic P
Portable P
Woofer Speaker Led - Driver P
Woofer Speaker Led - Sub P
Language: English
Format: High quality PDF
Pages: 85
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