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LCS500UN
LG LCS500UN Service Manual
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2-14
6. USB ERROR CORRECTION FLOW CHART
Only "NO USB" or "USB CHECK" Display?
Something wrong with the USB?
6A
6B
OK
YES
IC302
YES
NO
Checked the USB Vdd?
YES
IC501(4, 5, 7, 9, 12, 44, 49, 51, 74, 77, 81,
102, 104, 116, 117)
NO
Checked the USB
interface IC Ground?
YES
CN520(19)
NO
Checked the USB
interface IC Reset?
YES
X501
NO
Checked the USB
interface IC X-tal?
YES
IC501(52, 53)
NO
Checked
the D+/D- Port?
YES
IC501(52, 53)
NO
Checked the USB
indication Port?
22
24
Table of Contents
Default Chapter
2
Table of Contents
2
Section 1 Summary
3
Servicing Precautions
3
Esd Precautions
4
Specifications
5
Location of Users Controls
6
Firmware Upgrade Method
7
How to Connect Audio Set to Power Supply
8
Section 2 Electrical
10
Electrical Troubleshooting Guide & Waveforms
10
System Control Error Correction Flow Chart
10
Sound Error Correction Flow Chart
13
Display Error Correction Flow Chart
16
Tuner Error Correction Flow Chart
19
Cdp Error Correction Flow Chart
20
Usb Error Correction Flow Chart
23
Bluetooth Error Correction Flow Chart (Optional)
25
Aux Error Correction Flow Chart
26
Waveforms
27
Circuit Voltage Chart
29
INTERNAL BLOCK DIAGRAM of Ics
32
Ic301 (Ha13173Ah)
32
Ic801 (Tb2946Hq)
34
Ic802 (Bd3702Fv)
35
Ic901 (Mc5502)
36
Wiring Diagram
38
Block Diagram
39
Circuit Diagrams
40
Main Circuit Diagram
40
Front Circuit Diagram
41
Cdp Circuit Diagram
42
Printed Circuit Board Diagrams
43
Main P.C.board
43
Front P.C.board
44
Cdp P.C.board
45
Exploded Views
46
Cabinet and Main Frame Section
46
Mechanism(Pick-Up) Section
47
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LG LCS500UN Specifications
General
Brand
LG
Model
LCS500UN
Category
Car Receiver
Language
English
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