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LG CU20N Owner's Manual

Made by: LG
Type: Owner's Manual
Category: Blu-ray Drive
Pages: 12
Size: 1.05 MB

 

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To enjoy fully all the features and functions of your product, 
please read this owner’s manual carefully and completely.

OWNER’S MANUAL

Ultra Slim BD-ROM/DVD Writer

CU20N

ENGLISH

www.lg.com

 


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Safety Instructions

11

 

CAUTION:

 The laser used in the writer can damage your eyes. Do not 

attempt to open the cover. To reduce the risk of electric shock, do not 

remove the cover (or back).  

There are no user-serviceable parts inside. Refer servicing to qualified 

 

service personnel. Use of controls or performance of procedures other 

than those specified herein may result in hazardous radiation exposure. 

WARNING: 

To reduce the risk of fire or electric shock, do not expose this 

appliance to rain or moisture.

FCC COMPLIANCE STATEMENT

Note : 

This equipment has been tested and found to comply with the limits

for a Class B digital device, pursuant to Part 15 of the FCC Rules.

These limits are designed to provide reasonable protection against 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 or television  

reception, which can be determined by turning the equipment off and on, the 

user is encouraged to try to correct the interference by one or more of the  

following measures:

- Reorient or relocate the receiving antenna.

- Increase the separation between the equipment and receiver.

- Connect the equipment into an outlet on a circuit different from that to

which the receiver is connected.

- Consult the dealer or an Authorized Service Center for help.

•  FCC WARNING 

 

Changes or modifications not expressly approved by the party responsible 

for compliance could void the user’s authority to operate the equipment.

• 

 This product is for use only with UL listed personal computers that have 

installation instructions detailing user-installation of card cage accessory.

 


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2

Contents

 

CAUTION:

 CLASS 3B VISIBLE AND INVISIBLE LASER RADIATION 

WHEN OPEN AND INTERLOCKS DEFEATED.AVOID EXPOSURE TO 

THE BEAM.

CLASS 1             LASER PRODUCT

Safety Instructions 

1

Introduction 3
Using the Drive 

4

Drive Connectors 

6

Troubleshooting 7

Specifications 

9

Information in this document is subject to change without notice. 

© 2015 HLDS, Inc. All rights reserved. 

Trademarks used in this text: HLDS is a trademark of HLDS, Inc.; LG and the LG logo are 

trademarks of LG Electronics, Inc. Microsoft and Windows are registered trademarks of 

Microsoft Corporation.

 


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3

Introduction

Drive Description

This drive reads CD, DVD, and BD media and writes to CD and DVD media. 

Features of the Drive

• 9.5 mm height internal Ultra Slim BD-ROM / DVD Writer Drive. 

•  CD-R/RW, DVD-R/-R DL/ -RW/ +R/ +R DL/ +RW, DVD-RAM read and write 

 

compatible. 

• CD Family, DVD-ROM and BD-ROM/R/RE read compatible. 

•  Active OPC (Running OPC)

1

 “Optimum Power Controller” provides for more 

 

reliable writes. 

• Easy-to-use drawer loading mechanism.

• Enhanced-IDE (ATAPI) model: SATA Interface. 

• Supports UDF for easy writing to CD-R/RW discs. 

• Supports  M-Disc (DVD+R SL) read and write.

• Supports BDXL media (BD-R TL/QL, BD-RE TL) read.

• Improved Buffer Under Run Error handling through the Preventive function. 

1

.  Continuously monitors the signal level during recording and adjusts the laser 

power to compensate when the disc is dirty, insuring a flat signal.

 


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4

Using the Drive

Drive Operation

Front Panel

 

This following is the general figure of the design of the drive. The drive’s 

 

appearance and specifications may change without prior notice.

2

4

1

3

1.  Emergency Eject Hole 

 

If the disc tray does not open when you press the eject button, power off the 

computer, insert a pin or unfolded paper clip in the hole and push firmly. 

2.  Indicator Light 

 

The light blinks when there is drive activity.

3.  Disc Tray 

 

The disc tray opens automatically when you press the eject button. When you 

place a disc in the tray, ensure that the label on the disc is facing outwards. If 

you are not loading or unloading a disc, the tray should remain closed.

4.  Eject Button 

 

Press this button to open/close the disc tray. This button works only when 

power is supplied to the drive.

 


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5

Drive Operation

Inserting a Disc

•  Press the eject button. The disc tray will be ejected.

• Place the disc in the center of the tray with the label side facing up.

• Push disc onto hub until secure.

• Push the disc tray by hand and close completely.

Removing a Disc

• Press the eject button. The disc tray will be ejected.

• Remove the disc.

• Push the disc tray till it closes completely. 

NOTE:

 During some drive activities, the drive will not allow the tray to open even 

when the eject button is pressed.

Usage Guidelines

• Do not press down on the disc tray when it is opening or closing.

• Do not place objects on the disc tray.

• Never use a damaged, broken, scratched, or deformed disc.

• Keep the disc tray closed when the drive is not in use. 

NOTE:

 High-speed drives spin the disc at a high rotational speed. If a disc has 

printing on only half of the disc, or if there is a slight imbalance in the disc, the 

imbalance is greatly magnified by the high speed, causing the drive to vibrate or 

produce a fan-like noise. These effects are inherent in the high-speed technology 

and do not indicate a problem with the drive.

 


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6

Emergency Eject

The procedure described below can be used to remove a disc from the drive if 

the eject button is disabled by software or a power failure occurs.
1. Turn the computer off.
2.  Insert a small diameter rod or a stiff wire (a straightened paper clip about 

1.2 mm [0.047 in] in diameter) into the emergency eject hole and push 

firmly.

3. The disc tray is ejected by about 10 mm (0.39 in). Pull the disc tray out.

NOTE:

 Do not insert more than 50 mm (1.9 in) in depth.

Inserting more than 50 mm (1.9 in) may damage the drive.

Cleaning Media

If dust or fingerprints get on the disc, wipe it with a soft cloth 

 

from the center to the edge.

CAUTION:  

Do not use benzene, paint thinner, record cleaner, solvent or static 

repellent. This can damage the disc.

Cleaning the Drive

Cleaning the inside of the drive is not recommended.

Slim SATA Drive Connector

Drive Connectors

 


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7

Troubleshooting

Please refer to the Introduction section to determine if the drive in your system 

is a slim device.

Symptoms and Solutions

Solutions

1-1. Turn off the system, remove the drive, and re-insert back 

to the system.

2-1. If the disc is dirty (fingerprints, etc.), clean it with a 

 

non-abrasive cloth from the disc center hole to the outside.
2-2. If the disc is scratched and warped, do not insert it into 

the drive.

2-3. If the disc is inserted upside-down, re-insert it in the 

proper direction.
2-4. Check to see that the necessary software applications are 

installed correctly.

3-1. This drive only supports discs with the formats indicated 

in the Specifications section. It cannot read the data on discs 

with other formats. Check the disc’s format.

4-1. The CD player application may need to be set to “Digital.” 

In Windows Media Player, for example, from the menu bar, 

click on “Tools,” then “Options,” and then click on the “Device” 

tab. Select the drive and click on the “Properties” button. Set 

the playback mode to “Digital.”
5-1. Ensure disc is clean and free of scratches.
5-2. Media from different manufacturers or purchased at 

 

different times will record at different speeds. The drive will 

adjust the available recording speeds to achieve the highest 

write quality.
6-1. Check to see that the system is powered up.
6-2. If the system is capable of booting into an operating 

system, attempt to issue an eject command from within the 

operating system.

Symptoms

1.  Drive is not  

recognized by 

 

system.

2.  Cannot read or play 

disc.

3.  Certain types of disc 

do not play.

4.  When playing an 

audio CD, drive 

shows disc activity 

but there is no sound.

5.  Drive will not write 

or read at maximum 

speed.

6. Cannot eject disc.

 


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8

Solutions

7-1. Is the disc loaded in the drive with the read/write surface 

facing the right direction? The label should be up. If a disc 

does not have a label, the disc code on the inner side of the 

disc should be properly oriented for reading when looking from 

the top of the disc.

7-2. CD-R, DVD+R, DVD-R, and BD-R discs cannot be 

 

re-written.

7-3. Please check the type of disc that is being used. Please 

refer to Specifications section to ensure that the disc type is 

supported by this drive. 
7-4. Is there enough free space on the writable disc?
7-5. Did a screen saver or other application operate while  

writing to the disc? If so, try again with the application turned 

off.

Symptoms

7. Cannot write to disc 

(for drives with write 

capability).

 


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9

Specifications

System Interface

Applicable disc 

formats

Performance

CD

 

 

 

DVD

BD

Host Interface

BD

DVD

CD

Disc diameter

Read CD-R/RW/ROM

Read CD-DA

Write CD-R

Write CD-RW

Read (DVD-ROM 

 

Single Layer / 

 

Dual or Double Layer)

Write DVD+/-R

Write DVD+/-R 

 

Double Layer

Write DVD+R SL

 

(M-DISC) 

Write DVD-RAM

Write DVD+RW

Write DVD-RW

Read BD-ROM

Read BD-R 

(SL/DL/TL/QL)

Read BD-R(LTH)

Read BD-RE(SL/DL/TL)

T13  ATA/ATAPI-8

MMC-6, INF-8090i v8

BD-ROM (SL/DL), BD-R (SL/DL/TL/QL), 

 

BD-RE (SL/DL/TL)

DVD-ROM (SL/DL), DVD-R (SL/DL), 

 

DVD-RW, DVD-RAM(Ver.2.0 Higher), 

 

DVD+R (SL/DL), DVD+RW

CD-ROM Mode-1data disc, CD-ROM Mode-2 

 

data disc,  CD-ROM XA, CD-I, Photo-CD 

 

Multi-Session, Video CD, CD-Audio Disc, Mixed 

mode CD-ROM disc (data and audio),  CD-Extra, 

CD-Text, CD-R (Conforming to “Orange Book 

Part 2”: read & write), CD-RW (Conforming to 

“Orange Book Part 3”: read & write)

120 mm

24 x max.

24 x max.
24 x max.

16 x max.

8 x max.

8 x max.

6 x max. 

4 x max.

5 x max.

8 x max.

6 x max.

6 x max.

6 x max.

6 x max.

6 x / 6 x / 4 x max.

Key: insert “Max X” speed for each media below. 

 

For CD 1X=150 KB/s; DVD 1X=1350 KB/s; BD 1x = 4.5 MB/s

 


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10

Burst transfer 

rate 
Access time  

(1/3 stroke)

Buffer capacity

Reliability

Power supply

Temperature

Relative 

Humidity

BD-ROM

DVD-ROM

CD-ROM

MTBF

Voltage

Operating °C

Non-operating °C

Operating

 

(No condensation)

Non-operating 

 

(No condensation, 

 

Power Off, without disc)

250 ms typ.

200 ms typ.

200 ms typ.

60,000 power on hours (POH)

+5V +/-5% ripple less than 100 mVp-p

Read:  5 °C to 50 °C  Write: 5 °C to 45 °C

-40 °C to 60 °C

Read: 15 % to 85 % (Non-Condensing)

Write 15 % to 80 % (Depend on the 

Temperature)

5 % to 90 %

1.5 G bits/s (10b side)

1.2 G bits/s (8b side)

4 MB

 


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©

2015 Made by LG Electronics.