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DP270B
LG DP270B Manuals
Manuals and User Guides for LG DP270B. We have
2
LG DP270B manuals available for free PDF download: Service Manual
LG DP270B Service Manual (53 pages)
Brand:
LG
| Category:
Portable DVD Player
| Size: 5.55 MB
Table of Contents
Section 1 Summary
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
Cabinet and Main Frame Section
8
Packing Accessory Section
9
Section 3 Electrical
10
Lcd Part
11
Lcd Electrical Troubleshooting Guide
12
Block Diagram
14
Circuit Diagram
16
Printed Circuit Diagram
17
Main Electrical Troubleshooting Guide
18
Power (DC-DC Converter) Circuit
18
Mpeg Circuit
21
Rf/Servo Circuit
22
Main Part
18
Details and Waveforms on System Test and Debugging
26
System 27Mhz Clock, Reset & Flash R/W Signal
26
Sdram Clock
26
Disc Type Judgement Waveform
27
Focus on Waveform
29
Spindle Control Waveform (no Disc Condition)
29
Tracking Control Related Signal (System Checking)
30
Mt1389 Audio Optical and Coaxial Output (Aspdif)
31
Mt1389 Video Output Waveform
31
Audio Output from Audio Dac
32
Wiring Connection Diagrams
33
Wiring Connection Diagram 1
33
Wiring Connection Diagram 2
34
Block Diagrams
35
Overall Block Diagram
35
Power Block Diagram
36
Servo Block Diagram
37
System Block Diagram
38
Av Block Diagram
39
Circuit Diagrams
40
Mpeg Circuit Diagram
40
Memory Circuit Diagram
41
Opu & Motor Circuit Diagram
42
Av Circuit Diagram
43
Charge Circuit Diagram
44
Fm-Tx (Option) Circuit Diagram
45
Panel I/F Circuit Diagram
46
Menu Key Circuit Diagram
47
Front Key Circuit Diagram
48
Circuit Voltage Chart
49
Printed Circuit Diagrams
51
Main P.C.board
51
Key Menu P.C.board
53
Key Front P.C.board
53
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LG DP270B Service Manual (53 pages)
Brand:
LG
| Category:
Portable DVD Player
| Size: 6.34 MB
Table of Contents
Section 1 Summary
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
Section 3 Electrical
10
Lcd Part
11
Lcd Electrical Troubleshooting Guide
12
Block Diagram
14
Circuit Diagram
16
Printed Circuit Diagram
17
Main Electrical Troubleshooting Guide
18
Power (DC-DC Converter) Circuit
18
Mpeg Circuit
21
Rf/Servo Circuit
22
Main Part
18
Details and Waveforms on System Test and Debugging
26
System 27Mhz Clock, Reset & Flash R/W Signal
26
Sdram Clock
26
Disc Type Judgement Waveform
27
Focus on Waveform
29
Spindle Control Waveform (no Disc Condition)
29
Tracking Control Related Signal (System Checking)
30
Mt1389 Audio Optical and Coaxial Output (Aspdif)
31
Mt1389 Video Output Waveform
31
Audio Output from Audio Dac
32
Wiring Connection Diagrams
33
Wiring Connection Diagram 1
33
Wiring Connection Diagram 2
34
Block Diagrams
35
Overall Block Diagram
35
Power Block Diagram
36
Servo Block Diagram
37
System Block Diagram
38
Av Block Diagram
39
Circuit Diagrams
40
Mpeg Circuit Diagram
40
Memory Circuit Diagram
41
Opu & Motor Circuit Diagram
42
Av Circuit Diagram
43
Charge Circuit Diagram
44
Fm-Tx (Option) Circuit Diagram
45
Panel I/F Circuit Diagram
46
Menu Key Circuit Diagram
47
Front Key Circuit Diagram
48
Circuit Voltage Chart
49
Printed Circuit Diagrams
51
Main P.C.board
51
Key Menu P.C.board
53
Key Front P.C.board
53
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