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HDR688X
LG HDR688X Manuals
Manuals and User Guides for LG HDR688X. We have
2
LG HDR688X manuals available for free PDF download: Service Manual
LG HDR688X Service Manual (175 pages)
HDD/DVD RECORDER
Brand:
LG
| Category:
DVD Recorder
| Size: 18.52 MB
Table of Contents
Section 1 Summary
3
Table of Contents
3
New Functions of Hdd/DVD-Recorder
4
Product Safety Servicing Guidelines for Video Products
5
Servicing Precautions
6
General Servicing Precautions
6
Insulation Checking Prodedure
6
Electrostatically Sensitive Devices
6
Service Information for Eeprom IC Setting
7
Specifications
8
Section 2 Cabinet & Main Chassis
9
Exploded Views
10
Cabinet and Main Frame Section
10
Deck Mechanism Section(Rs-01A)
11
Packing Accessory Section
12
Section 3 Electrical
13
Hdr Part
14
Electrical Troubleshooting Guide
14
Power Supply on Smps Board
14
Power Supply on I/O Board
16
System Circuit Part
19
Disc Not Recognized
19
When Playing Disc, no Audio Output
20
No Optical / Digital Output
21
No Tuner Audio Output
22
No External Input Audio
23
No Rgb / Component Video Signal When Play Disc
24
No Composite / S-Video Signal When Play Disc
24
No Tv, External Input Video Signal
25
No DV(Ieee 1394) Input (Video/Audio) Signal
26
Block Diagrams
28
Overall Block Diagram
28
Layout Connection Block Diagram_1
29
Layout Connection Block Diagram_2
30
Smps Block Diagram
31
Power : Main Board Block Diagram
32
Power : I/O Board Block Diagram
33
In/Out Block Diagram ( Scart Model Only )
34
Video Block Diagram
35
Video S/W Path Block Diagram
36
Audio Block Diagram
37
Audio S/W Path Block Diagram
38
FLD / Μ-COM / TUNER BLOCK DIAGRAM
39
Main Block Diagram ( Scart Model Only )
40
Timer Block Diagram
41
Circuit Diagrams
42
Smps 1 Circuit Diagram
42
Smps 2 Circuit Diagram
43
Mpeg Circuit Diagram
44
Flash/Ddr Circuit Diagram
45
Reset & 1394 & Jepg Circuit Diagram
46
Atapi & Memory Card Circuit Diagram
47
I/O, Μ-COM CIRCUIT DIAGRAM
48
Tuner/Mpx/Adc/Dac/Jack Circuit Diagram
49
Decoder Circuit Diagram
50
Timer Circuit Diagram
51
Waveforms
52
Circuit Voltage Chart
53
Printed Circuit Diagrams
56
Main P.C.board
56
I/O P.C.board
57
Power P.C.board
59
Timer1 P.C.board
60
Timer2 P.C.board
60
Hdmi P.C.board
61
Section 4 Rs-01A Loader Part
62
Electrical Troubleshooting Guide
63
The Difference of DVD-R/Rw, DVD+R/Rw Discs and DVD-Rom
77
Recording Layer
77
Disc Specification
78
Disc Materials
78
Organization of the Inner Drive Area, Outer Drive Area, Lead-In Zone and Lead-Out Zone
82
How to Use Test Tool
85
Alpc Measurement System
85
Alpc Program
85
Execute Alpc Program
86
Optical Power Setting
88
Confirm Optical Power Setting Parameter
89
Optical Power Setting Parameter Range
90
Attachment. Optical Power Measurement
91
Internal Structure of the Pick-Up
92
Block Diagram of the Pick-Up(Lpc-812R)
92
Pick up Pin Assignment
93
Signal Detection of the P/U
94
Description of Circuit
95
Alpc (Automatic Laser Power Control) Circuit
95
Focus/Tracking/Sled Servo Circuit
96
Spindle Servo Circuit
98
Major IC Internal Block Diagram
99
Lic121 (An22113A) : Fep(Rf) Analog Signal Processor
99
Block Diagram
102
Ic301 (Bd7956Fs) : CD-Rom/DVD-Rom 7Ch Power Driver
102
Circuit Diagrams
104
Dsp Circuit Diagram
104
Rf Circuit Diagram
105
Drive Circuit Diagram
106
Circuit Voltage Chart
107
Printed Circuit Diagrams
108
Main P.C.board(Top View)
108
Main P.C.board(Bottom View)
109
Replacement Parts List
110
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LG HDR688X Service Manual (56 pages)
HDD/DVD RECORDER
Brand:
LG
| Category:
DVD Recorder
| Size: 12.58 MB
Table of Contents
Section 1 Summary
3
Table of Contents
3
New Functions of Hdd/DVD-Recorder
4
Product Safety Servicing Guidelines for Video Products
5
Servicing Precautions
6
General Servicing Precautions
6
Insulation Checking Prodedure
6
Electrostatically Sensitive Devices
6
Service Information for Eeprom IC Setting
7
Specifications
8
Section 2 Cabinet & Main Chassis
9
Exploded Views
10
Cabinet and Main Frame Section
10
Deck Mechanism Section(Rs-01A)
11
Packing Accessory Section
12
Section 3 Electrical
13
Hdr Part
14
Electrical Troubleshooting Guide
14
Power Supply on Smps Board
14
Power Supply on I/O Board
16
System Circuit Part
19
Disc Not Recognized
19
When Playing Disc, no Audio Output
20
No Optical / Digital Output
21
No Tuner Audio Output
22
No External Input Audio
23
No Rgb / Component Video Signal When Play Disc
24
No Composite / S-Video Signal When Play Disc
24
No Tv, External Input Video Signal
25
No DV(Ieee 1394) Input (Video/Audio) Signal
26
Block Diagrams
28
Overall Block Diagram
28
Layout Connection Block Diagram_1
29
Layout Connection Block Diagram_2
30
Smps Block Diagram
31
Power : Main Board Block Diagram
32
Power : I/O Board Block Diagram
33
In/Out Block Diagram ( Scart Model Only )
34
Video Block Diagram
35
Video S/W Path Block Diagram
36
Audio Block Diagram
37
Audio S/W Path Block Diagram
38
FLD / Μ-COM / TUNER BLOCK DIAGRAM
39
Main Block Diagram ( Scart Model Only )
40
Timer Block Diagram
41
Circuit Diagrams
42
Smps 1 Circuit Diagram
42
Smps 2 Circuit Diagram
43
Mpeg Circuit Diagram
44
Flash/Ddr Circuit Diagram
45
Reset & 1394 & Jepg Circuit Diagram
46
Atapi & Memory Card Circuit Diagram
47
I/O, Μ-COM CIRCUIT DIAGRAM
48
Tuner/Mpx/Adc/Dac/Jack Circuit Diagram
49
Decoder Circuit Diagram
50
Timer Circuit Diagram
51
Waveforms
52
Circuit Voltage Chart
53
Printed Circuit Diagrams
56
Main P.C.board
56
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