Introduction; Features - LG GCC-4241N Service Manual

This service manual provides a variety of service
information.
It contains the mechanical structure of the CD-RW
/DVD-ROM Drive and the electronic circuits in
schematic form. This CD-RW/DVD-ROM Drive was
manufactured and assembled under our strict quality
control standards and meets or exceeds industry
specifications and standards.
This CD-RW/DVD-ROM drive is an internal slim
drive unit designed for use with IBM PC, HP Vectra,
1. General
1) 12.7mm Heigh Internal CD-RW/DVD-ROM Drive.
2) R&W Speed of CD-R/RW/ROM/DVD-ROM: 24x/24x(write)/24x/8x(read).
3) DVD-R(3.95GB 4.7GB), DVD-RW(4.7GB) disc read compatible.
4) DVD-RAM disc read compatible.
5) Enhanced IDE (ATAPI) bus interface.
6) Large buffer memory 2MB.
7) Buffer Under Run Preventive function.
8) Running OPC circuit
9) Drawer Type manual Load/Electrical Release.
10) Supports Power saving mode and Sleep mode.
11) Horizontal and Vertical direction installable.
2. Supported disc formats
1) Reads and writes data in each CD-ROM, CD-ROMXA, CD-I FMV, Video CD, and CD-EXTRA
2) Reads data in Photo CD (Single and Multi session).
3) Reads and writes 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 DVD-ROM.
3. Supported write method
1) Disc at once, Session at once, Track at once, Packet Write, and Multi-session.
4. Performance
1) Average access time :
2) Record speed :
3) Read speed:
4) Sustained Transfer rate :
5) Burst Transfer rate:
6) Support CD-TEXT read/write
5. Audio
1) Outputs 16 bit digital data over ATA interface.
2) Software Volume Control
3) Equipped with audio line output for audio CD playback.

INTRODUCTION

CD-ROM 110ms
DVD-ROM 120ms
CD-R 4xCLV, 10xCLV, 10~16xPCAV, 24x Max.CAV
CD-RW 4xCLV, 10xCLV, 10~16xPCAV, 24x Max. CAV
CD-R/RW/ROM 24x/24x/24x Max.CAV
CD-DA(DAE) 20x Max. CAV
DVD-R/RW/ROM 4x/4x/8x Max.CAV
DVD-Video(CSS) 4x Max.CAV
DVD-RAM(2.6G/4.7G) 2x ZCLV
CD-ROM 3,600 kB/s (24x).Max.
DVD-ROM 11.08 Mbytes/s (8x)Max.
or compatible slim notebook computer. It can write
as much as 700 Mbytes of digital data into CD-R
disc, and can read as much as 700 Mbytes of digital
data stored in a CD-ROM, CD-R and CD-RW disc.
This CD-RW/DVD-ROM Drive can easily meet the
upcoming MPC level 3 specification, and its
Enhanced Intelligent Device Electronics (E-IDE) and
ATAPI interface allows Plug and play integration in
the majority of today's PCs without the need of an
additional interface card.

FEATURES

(Normal Speed CD-RW : 4xCLV
High Speed CD-RW : 4xCLV, 10xCLV
Ultra Speed CD-RW :10xCLV, 10~16xPCAV, 24x Max.CAV)
Ultra DMA Mode2, DMA MW Mode2, PIO Mode4
3