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DP381B
LG DP381B Service Manual
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2-2
Copyright ©
2008 LG Electronics. Inc.
All right reserved.
Only for training and service purposes
LGE Internal Use Only
A
C
B
LCD
BOARD
A
G
F
B
C
K
USB
BOARD
E
D
D
KEY
BOARD
I
J
K
H
F
G
MAIN
BOARD
E
A48
A40
A42
A45
A46
A44
264
293
294
28
9
279
295
296
27
8
A51
251
251
277
272
2
77
271
270
252
288
450
286
254
294
256
450
450
282
285
809
287
452
288
451
452
453
454
450
450
261
CABLE2
CABLE1
255
255
266
455
455
260
266
451
H
J
I
A00
CABLE3
262
262
263
EXPLODED VIEWS
1. CABINET
AND MAIN FRAME SECTION
8
10
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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