Equipment information
LG GWA-4164B Floppy disk drive
Manufacturer:
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Model:
GWA-4164B
Date:
2005
Category:
Group:
Description:
DVD/CD Rewritable Drive
Information
1General
1) Enhanced IDE (ATAPI) interface.
2) Internal Half-height Drive.
3) CD-R/RW, DVD-R/RW/+R/+R DL(Double Layer)/+RW read and write
compatible CD Family and DVD-
ROM read compatible.
4) Buffer Under-run prevention function embedded.
5) 2MB buffer memory.
6) Power loading and power eject of a disc. Bare media loading.
7) MTBF : 100,000 POH
8) Vertical and Horizontal installable.
9) Support LightScribe Direct Label Printing Technology
2.3.4.Supported disc formats
1) Reads data in each CD-ROM, CD-ROM XA, CD-I, Video CD, CD-Extra and
CD-Text.
2) Reads data in Photo CD (Single and Multi session).
3) Reads standard CD-DA.
4) Reads and writes CD-R discs conforming to “Orange Book Part 2”.
5) Reads and writes CD-RW discs conforming to “Orange Book Parts 3”.
6) Reads data in each DVD-ROM, DVD-R(Ver.1.0, Ver.2.0 for Authoring).
7) Reads and writes in each DVD-R(Ver.2.0 for General), DVD-RW, DVD+R,
DVD+R DL, DVD-R DL and
DVD+RW.
8) LightScribe DVD+R conforming to “LightScribe Media Specification”
9) LightScrive CD-R conforming to “LightScribe Media Specification”
Supported write method
1) CD-R/RW : Disc at once, Session at Once, Track at once and Packet Write.
2) DVD-R : Disc at Once and Incremental Recording.
3) DVD-RW : Disc at Once, Incremental Recording and Restricted Overwrite.
4) DVD+R : Sequential Recording
5) DVD+R DL(Double Layer)/DVD-R DL(Dual Layer) : Sequential Recording
6) DVD+RW : Random Write
7) LightScribe Label Printing Functions complying with “LightScribe System
Specification”
Audio
1) 16 bit digital data output through ATA interface.
2) Software Volume Control
3) Equipped with audio line output for audio CD playback.
Manual Type:
Service Manual
Pages:
89
Size:
1.22 Mbytes (1280060 Bytes)
Language:
english
Revision:
Manual-ID:
3828HS1049D
Date:
2005 06 01
Quality:
Electronic document, no scan, very well readable.
Upload date:
2018 12 29
MD5:
0757ccaf44eb8755c3559931282a7a3d
Downloads:
1257
Information
INTRODUCTION
...
... 3
FEATURES ...
... 4
SPECIFICATIONS ...
... 5~14
LOCATION OF CUSTOMER CONTROLS
... 15~16
DISASSEMBLY
...
... 17~18
1. CABINET and CIRCUIT BOARD DISASSEMBLY
... 17
2. MECHANISM ASSY
DISASSEMBLY ...
... 17
EXPLODED VIEW
...
... 19~20
MECHANICAL REPLACEMENT PARTS LIST
... 21~23
GLOSSARY
...
... 24
THE DIFFERENCES OF CD-R/CD-RW DISCS AND GENERAL CD-
ROM ... 25~29
1. Recording Layer
...
... 25
2. Disc Specification
...
... 25
3. Disc Materials
...
... 26
4. Reading Process of Optical Disc
... 27
5. Writing Process of CD-R Disc
... 28
6. Writing Process of CD-RW Disc
... 28
7. Organization of the PCA, PMA and Lead-in Area
... 29
8. Function of PCA and PMA area
... 30
9. OPC and ROPC
...
... 30
10. Writing Process of
DISC ...
... 31
THE DIFFERENCES OF DVD-R/RW, DVD+R/RW DISCS AND DVD-
ROM ... 32~40
1. Recording Layer
...
... 32
2. Disc Specification
...
... 33
3. Disc Materials
...
... 33
4. Writing Pulse Waveform of
DVD+R ...
36
5. Writing Pulse Waveform DVD+RW
... 38
6. Organization of Inner Drive Area, Outer Drive Area, Lead-in Zone and
Lead-out Zone ... 39
LightScribe
MEDIA ...
... 41~44
1. LightScribe
Media ...
... 41
2. Hardware Block Diagram of LightScribe Label
Printing ... 42
3. MD Assy For
LightScribe ...
... 43
4. Optical Encoder Assy
...
... 44
DVD & CD DATA
PROCESSING ...
... 45~48
1. Data Processing
Flow ...
... 45
2. Copy Protection and Regional Code Management Block
... 46
3. About Prevention the DVD-ROm from to be copy
... 47
4. About the DVD-ROM Regional Code
... 48
INTERNAL STRUCTURE OF THE PICK-
UP ... 49~51
1. Block Diagram of the Pick-up
... 49
2. Pick up Pin
Assignment ...
... 50
3. Signal detection of the P/U
...
51
DESCRIPTION OF
CIRCUIT ...
... 52~56
1. ALPC Circuit
...
... 52
2. Focus/Tracking/Sled Servo Circuit
... 53
3. Spindle Circuit
...
... 55
MAJOR IC INTERNAL BLOCK DIAGRAM AND PIN
DESCRIPTION ... 57~74
TROUBLESHOOTING GUIDE
... 75
~91
BLOCK DIAGRAM
...
... 92~94
CIRCUIT DIAGRAM
...
... 95~97
PRINTED CIRCUIT BOARD DIAGRAM
... 98~101
ELECTRICAL REPLACEMENT PARTS LIST
... 102