LG GWA-4166B Unidade de disquete
Fabricante:
Modelo:
GWA-4166B
Data:
2005
Categoria:
Grupo:
Descrição:
DVD/CD Rewritable Drive

Informação

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.

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Manual de serviço
Tipo de manual:
Manual de serviço
Páginas:
89
Tamanho:
1.22 Mbytes (1280060 Bytes)
Idioma:
english
Revisão:
ID de manual:
3828HS1049D
Data:
2005 06 01
Qualidade:
Documento eletrônico, digitalização, bem legível.
Data de upload:
2018 12 29
MD5:
0757ccaf44eb8755c3559931282a7a3d
Downloads:
1257

Informação

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

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