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DP471B
LG DP471B User Manual
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2-3
Copyright © 2009 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only
2. PACKING ACCESSORY SECTION
803
PACKING
839
PLUG ASS'Y(RCA CABLE)
806
834
ADAPTER
833
REMOTE CONTROL
900
CARRING CASE
BO
X
802
801
OWNER'S MANUAL
CABLE, CIGAR JACK
804
PACKING SHEET
835
CAR-MOUNT
808
BATTERY
9
11
Table of Contents
Table of Contents
3
Product Safety Servicing Guidelines for Video Products
4
Servicing Precautions
5
General Servicing Precautions
5
Insulation Checking Prodedure
5
Electrostatically Sensitive (Es) Devices
5
Specifications
6
Electrical Troubleshooting Guide
13
Power Check Flow
13
System Operation Flow
14
System Test Flow
15
Details and Waveforms on System Test and Debugging
20
System 27Mhz Clock, Reset, Flash Sck Signal
20
Sdram Clock
22
Tray Open/Close Signal
22
Sled Control Related Signal
23
Laser Power Control Related Signal
24
Spindle Control Waveform
24
Focus on Waveform
25
Tracking Control Related Signal(System Checking)
26
Video Output Waveform
27
Audio Output
27
Wiring Connection Diagram
28
Block Diagrams
29
Overall Block Diagram
29
System Block Diagram
30
DC Block Diagram
31
Circuit Diagrams
32
Lcd I/F Circuit Diagram
32
Opu Circuit Diagram
33
Hp/Spk Amp Circuit Diagram
34
Audio I/F Circuit Diagram
35
Motor Drive Circuit Diagram
36
Memory Circuit Diagram
37
Mpeg Circuit Diagram
38
Video Controler Circuit Diagram
39
Av I/F Circuit Diagram
40
Usb I/F Circuit Diagram
41
Lcd Power Circuit Diagram
42
Mpeg Power Circuit Diagram
43
Input Power Circuit Diagram
44
B/L Power Circuit Diagram
45
Charger Power Circuit Diagram
46
Switch & Video Buffer Circuit Diagram
47
Circuit Voltage Chart
48
Printed Circuit Board Diagrams
50
Main P.C. Board
50
Lcd P.C. Board
50
4
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LG DP471B Specifications
General
Brand
LG
Model
DP471B
Category
Portable DVD Player
Language
English
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