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Specifications

General

Data Capacity         
Disc Diameter         
Rotational Speed

553 Mbytes (mode 1), 635 Mbytes (mode 2)
12 cm/8 cm
Approx. 10,600 rpm (inner max speed)

Performance

Interface
Supported System
Transfer rate
Access Time
MTBF
Buffer size
Error Rate

ECC on
ECC off

User Data/Block

Supported Disc

E-IDE
IBM PC-AT or Compatible
Sustained Data Transfer Rate=Max 7,800Kbytes/sec 
Random 75 ms Typical
125,000 Power On Hours (Duty Cycle 10%)
128 Kbytes

1 block/10

15

bits (52x)

1 block/10

12

bits (52x)

2,048 bytes/block (Mode1 & Mode2 Form1)
2,340, 2,336 bytes/block (Mode2)
2,324 bytes/block (Mode2 Form2)
2,352 bytes/block (CD-DA)
CD-DA, CD-ROM, CD-ROM XA-READY, Photo-CD
CD-Plus/CD-Extra, Mixed CD, CD-RW

Audio Specifications

Frequency Response
S / N Ratio
THD
Channel Separation 
Headphone Level
Line Output Level
Line Output Jack
Headphone Jack

20 Hz - 20 KHz ±3 dB
80 dB
0.05 % at 1 KHz
80 dB at 1 KHz
0.70 Vrms (33Ω)
0.70 Vrms ± 20% (47kΩ)
4-Pin terminal (Rear)
ø 3.5 mm (Front)

Environment

Temperature

5 - 45 °C

Power Requirements

12 V ± 5%
Ripple < 100m Vpp
5 V ± 5%
Ripple < 100m Vpp

1.5A (Maximum)

0.9A (Maximum)

NOTE: 

Specifications are subject to change without notice for improvement.

E-11

Summary of Contents for GCR-8520B

Page 1: ...this owner s manual carefully and completely website http www LGEservice com e mail http www LGEservice com techsup html CD ROM DRIVE MODEL GCR 8520B GCR 8521B OWNER S MANUAL BEDIENUNGSHANDBUCH MODE D EMPLOI MANUALE D USO MANUAL DE USUARIO English Deutsch Français Italiano Spanish ...

Page 2: ...gainst harmful interference in a residential installation This equipment generates uses and can radiate radio frequency energy and if not installed and used in accordance with the instructions may cause harmful interference to radio communications However there is no guarantee that interference will not occur in a particular installation If this equipment does cause harmful interference to radio o...

Page 3: ...ltisession support System Requirement IBM PC AT or compatible 486 SX 25 processor or higher Pentium 133 Processor or higher recommended 640 Kb memory 16Mb or higher recommended A suitable free standard 51 4 internal drive bay MS DOS version 3 1 or higher Windows 95 and above recommended 31 2 1 44 Mb Floppy Drive An existing IDE controller with an available cable connector or a new IDE controller r...

Page 4: ...E 4 Location and Function of Controls C O M P A C T 1 2 3 4 5 6 7 1 2 5 4 3 Front View Back View Supplied Accessories z zOwner s Manual z zAudio Cable ...

Page 5: ...ton will skip to the next track 7 Open Close Stop Button This button is pressed to open or close the CD tray If an audio CD is playing pressing this button will stop it and pressing it again will open the tray Back View 1 Digital Audio Output Connector This is a digital audio output or Video CD output connector You can connect this to a digital audio system or a Video CD Board 2 Analog Audio Outpu...

Page 6: ... power cable available in the computer you will have to purchase a splitter cable of a suitable type The red edge of the IDE cable corresponds to pin 1 of the IDE interface on the CD ROM drive Please Note an IDE cable is not supplied and may be required to be purchased separately If the computer is using a sound card the drive is connected to the sound card with an audio cable This CD ROM drive is...

Page 7: ... Secondary IDE port You can also connect CD ROM drive to the Secondary IDE port and set to Master position 5 When the installation of the drive unit is complete replace the computer cover 6 Reconnect the computer power cord and turn on the computer DIGITAL AUDIO D G G L C S M 39 1 2 40 R 5 12 GND AUDIO ANALOG INTERFACE POWER DIGITAL AUDIO D G G L C S M 39 1 2 40 R 5 12 GND AUDIO ANALOG INTERFACE P...

Page 8: ...nce If the drive is not recognized by your computer please check the following items If an indicator is displayed on the IDE controller in control panel system device manager harddisk controller you will need to contact your PC s manufacturer or the motherboard s manufacturer and get the appropriate IDE controller driver Run ADD NEW HARDWARE in Control Panel to let PC search again for new device F...

Page 9: ...e power to OFF 2 Poke a fine tipped object such as a straightened heavy duty paper clip into the small hole at the front The front door will pop open and the disk tray will come partway out 3 Pull the front door to open it all the way then grip the disc tray between thumb and forefinger and gently pull it straight out NOTE This feature is a last measure to be used only in an emergency Using it exc...

Page 10: ...e 2 Check to be sure your hard disk Interface type is IDE type 3 Check your hard disk Master Slave Jumper setting Some old version IDE type hard disks were set to Master Only mode In that case contact your hard disk company and change your hard disk jumper setting to master mode 4 If the CD ROM drive does not work with above methods you may need a secondary IDE card If you use the secondary IDE ca...

Page 11: ...ck 1012 bits 52x 2 048 bytes block Mode1 Mode2 Form1 2 340 2 336 bytes block Mode2 2 324 bytes block Mode2 Form2 2 352 bytes block CD DA CD DA CD ROM CD ROM XA READY Photo CD CD Plus CD Extra Mixed CD CD RW Audio Specifications Frequency Response S N Ratio THD Channel Separation Headphone Level Line Output Level Line Output Jack Headphone Jack 20 Hz 20 KHz 3 dB 80 dB 0 05 at 1 KHz 80 dB at 1 KHz 0...

Page 12: ...ersely affect the drive and cause the disc to shatter or crush while in use Disc crush can only occur when you use a damaged CD ROM disc in the drive It is an extremely rare occurrence but there are steps which can be taken to prevent it Always check your discs before inserting them into the drive 1 Take care not to use worn cracked damaged warped or poor quality CD ROMs as this may cause damage t...

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