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Stereo System
CJ87
Service manual
LG CJ87 Service Manual
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Also See for CJ87
:
User manual
,
Simple manual
(8 pages)
,
Service bulletin
(26 pages)
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Contents
Table of Contents
Troubleshooting
Bookmarks
Table of Contents
Section 1 Summary
Table of Contents
Servicing Precautions
Esd Precautions
1 Hidden Key Mode Table
Hidden Key Mode
2 Hidden Key Mode Description
Service Information for Eeprom
Program Download Guide
Fota Update Step Using Bt App
Specifications
Section 2 Cabinet & Main Chassis
Exploded Views
Cabinet and Main Frame Section
Packing Accessory Section
Speaker Section
Disassembly Instructions
Case Top
Panel Front Assembly
Panel PCB & Multi Knob
Bracket Hook
Main PCB & SMPS PCB
Bracket Inner
MD & Lighting PCB
Panel Rear
Section 3 Electrical
One Point Repair Guide
Power
Booting When Power on the Set
Booting in CD/Usb Function
Operation of MD
Sound in the Usb Function
Audio Output Is Small or no Audio Output
Power on (Standby Led Is Blinking)
Speaker no Audio
Sound
Vfd Is Not Displayed When Power on the Set
Electrical Troubleshooting Guide
Power Supply on Smps Board
System Part
Audio Check
Waveforms of Major Check Point
Dsp (Ic501)
Pwm (Ic600)
Servo (Ic401)
Motor Driver (Ic400)
Adc
Wiring Diagram
Block Diagram
Circuit Voltage Chart
Capacitor Voltage
Printed Circuit Board Diagrams
Smps P.C.board Diagram
Main P.C.board Diagram
Front P.C.board Diagram
Jack P.C.board Diagram
Section 4 Mechanism (Dm14B)
Deck Mechanism Disassembly
Cover Top
Clamp Assembly
Plate
Magnet
Clamp
Tray Disc
Pick up Assembly
Base Up/Down
Belt Loading
Gear Pulley
Gear Loading
Guide
Deck PCB Assembly
Motor Assembly
FFC Cable
Deck Mechanism Exploded View (Dm14B)
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Quick Links
1
Specifications
2
Power
3
Power Supply on Smps Board
4
Smps P.C.board Diagram
5
Main P.C.board Diagram
Download this manual
Internal Use Only
MINI HI-FI SYSTEM
SERVICE MANUAL
MODEL: CJ87
(CJ87, CJS87F)
CAUTION
BEFORE SERVICING THE UNIT, READ THE "SAFETY PRECAUTIONS"
IN THIS MANUAL.
P/NO : AFN77612162
FEBRUARY, 2017
Table of
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Chapters
Section 1 Summary
3
Section 2 Cabinet & Main Chassis
18
Section 3 Electrical
30
Section 4 Mechanism (Dm14B)
80
Table of Contents
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Cjs87f
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