LG CM9530 User Manual

87 pages

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9. WOOFER SPEAKER LED - DRIVER P.C.BOARD

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10. WOOFER SPEAKER LED - SUB P.C.BOARD

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Table of Contents3
Servicing Precautions4
Esd Precautions6
Hidden Key Mode7
Service Information for Eeprom8
Program Upgrade Guide9
Specifications10
Exploded Views14
Cabinet and Main Frame Section (Cm9530)14
Mechanism Deck Section (Dp17Tm)15
Packing Accessory Section16
Speaker Section17
One Point Repair Guide21
Power21
Booting When Power on the Set23
Vfd Is Not Displayed When Power on the Set24
Booting in CD/Usb Function26
Operation of MD30
Sound35
Audio Output Is Small or no Audio Output41
Power on (Standby Led Is Blinking)42
Speaker no Audio43
Electrical Troubleshooting Guide44
Power Supply on Smps Board44
System Part48
Audio Part49
Lighting (Front/ Woofer Speaker)53
Waveforms of Major Check Point54
Wiring Diagram58
Block Diagrams59
Smps Block Diagram59
Main System Block Diagram60
Main Power Block Diagram61
Circuit Diagrams62
Smps - Power #1 Circuit Diagram62
Smps - Power #2 Circuit Diagram63
Main - Micom Circuit Diagram64
Main - CD Dsp Circuit Diagram65
Main - Servo Circuit Diagram66
Main - Adc/ Pwm Circuit Diagram67
Main - Amp Circuit Diagram68
Volume Circuit Diagram69
Vfd Circuit Diagram70
MIC Circuit Diagram71
Portable Circuit Diagram72
Front Speaker Led - Driver Circuit Diagram73
Front Speaker Led - Sub Circuit Diagram74
Woofer Speaker Led - Driver Circuit Diagram75
Woofer Speaker Led - Sub Circuit Diagram76
Circuit Voltage Chart77
Printed Circuit Board Diagrams78
Smps P.C.board78
Main P.C.board80
Volume P.C.board82
Vfd P.C.board84
MIC P.C.board85
Portable P.C.board85
Front Speaker Led - Driver P.C.board86
Front Speaker Led - Sub P.C.board86
Woofer Speaker Led - Driver P.C.board87
Woofer Speaker Led - Sub P.C.board87

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LG CM9530 Specifications

General

Brand	LG
Model	CM9530
Category	Stereo System
Language	English

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