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MCS1306W
LG MCS1306W Service Manual
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3-35
ELECTRICAL TROUBLESHOOTING GUIDE
USB play
Check IC501.
Replace IC3U01.
IC501
Pin116,117 USB_D output
signal OK?
NO
NO
IC3U01
USB power +5 V
OK?
YES
A
A
When insert
USB,IC502 Pin1,2,3,4 USB_D
signal OK?
NO
YES
YES
YES
YES
YES
AUX
Check audio cable.
Replace IC202.
Check IC501.
NO
NO
NO
IC202
Pin7,8 AUX input signal
OK?
IC202
Pin41 ADC data output signal
OK?
IC202
Pin42,43,44 I2S input signal
OK?
61
63
Table of Contents
Section 1 Summary
3
Table of Contents
3
Servicing Precautions
4
Esd Precautions
6
Service Information for Eeprom
7
Program Download Guide
8
Specifications
11
Section 2 Cabinet & Main Chassis
12
Disassembly and Assembly for Mechanism Deck (CDM-H1803)
13
Order of Disassembly for Mechanism Deck
14
Cable7
15
Order of Assembly for Mechanism Deck
18
Exploded Views
22
Cabinet and Main Frame Section (Mcv1306)
22
Mechanism Deck Section (CDM-H1803)
23
Packing Accessory Section
24
Speaker Section
25
Section 3 Electrical
28
Training Master
29
No Sound from Speakers
29
No Sound in Aux Function
30
No Sound in Port. in Function
31
No Sound in Ipod Function
32
No Sound in Am/Fm Function
33
No Sound in CD Function
34
No Sound in Usb Function
36
No Power
37
One Point Repair Guide
38
No Power
38
No Booting When Power on the Set
40
Vfd Is Not Displayed When Power on the Set
41
No Operation of MD
43
No Sound
49
Electrical Troubleshooting Guide
56
Power Supply on Smps Board
56
System Part
60
No Audio Part
61
Digital Audio Amp Check
66
Waveforms
67
Wiring Diagram
70
Block Diagrams
71
Overall Block Diagram
71
Smps Block Diagram
72
Power Block Diagram
73
Circuit Diagrams
74
Smps Circuit Diagram
74
Micom Circuit Diagram
75
Pwm Circuit Diagram
76
Amp Circuit Diagram
77
Dsp Circuit Diagram
78
Rf Servo Circuit Diagram
79
Adc Circuit Diagram
80
Beat Box Circuit Diagram
81
Vfd Circuit Diagram
82
Volume Circuit Diagram
83
Usb Circuit Diagram
84
Ipod Circuit Diagram
85
MIC Circuit Diagram (Optional Part)
86
Circuit Voltage Chart
87
Printed Circuit Board Diagrams
89
Main P.C.board
89
Smps P.C.board
91
Vfd P.C.board
92
Volume P.C.board
93
Usb P.C.board
94
Ipod P.C.board
94
MIC P.C.board (Optional Part)
94
Other manuals for LG MCS1306W
Owner's Manual
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LG MCS1306W Specifications
General
Brand
LG
Model
MCS1306W
Category
Stereo System
Language
English
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