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DP381B
LG DP381B Service Manual
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POR
T
ABLE DVD
S
E
R
VICE MANUAL
MODELS : DP381B, DP382B, DP383B
CAUTION
BEFORE SERVICING THE UNIT
, READ THE “SAFETY
PRECAUTIONS”
IN THIS MANUAL.
MODELS : DP381B, DP382B, DP383B
SE
R
VICE MANUAL
P/NO :
AFN70285030
NOVEMBER
, 2008
W
ebsite http://biz.lgservice.com
Internal Use Only
2
Table of Contents
Section 1 Summary
3
Default Chapter
3
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
Exploded Views
8
Exploded Views
9
Packing Accessory Section
10
Section 3 Electrical
12
Lcd Adjustments
13
Lcd Part
13
Lcd Electrical Troubleshooting Guide
14
Block Diagram
16
Circuit Diagram
18
Circuit Voltage Chart
19
Printed Circuit Board Diagram
19
Main Electrical Troubleshooting Guide
20
Power (DC-DC Converter) Circuit
20
Mpeg Circuit
23
Servo Circuit
24
Charging Circuit
26
Main Part
20
Wiring Connection Diagrams
27
Wiring Connection Diagrams-1
27
Wiring Connection Diagrams-2
28
Wiring Connection Diagrams-3
29
Block Diagrams
30
Overall Block Diagram
30
Power Block Diagram
31
Servo Block Diagram
32
System Block Diagram
33
Av Block Diagram
34
Circuit Diagrams
36
Power Circuit Diagram
36
Av Circuit Diagram
37
Connection Circuit Diagram
38
DC-DC Circuit Diagram
39
Mpeg Circuit Diagram
40
Sdram, Flash & Eeprom Circuit Diagram
41
Circuit Voltage Chart
42
Printed Circuit Board Diagrams
44
Main P.C.board
44
Key P.C.board
46
Usb P.C.board
46
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LG DP381B Specifications
General
Brand
LG
Model
DP381B
Category
Portable DVD Player
Language
English
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