Sony CD Player CDU625 User Manual

3-862-263-02(1)  
CDU625  
CD-ROM Drive Unit  
CDU625  
CD-ROM Drive Unit  
Users Guide  
Users Guide  
©1997 by Sony Corporation Printed in Malaysia  
 
Owner’s Record  
The model and serial numbers are located on the top side of the drive. Record these  
numbers in the spaces provided below. Refer to them whenever you call upon your sales  
representative regarding this product.  
Model No.  
Serial No.  
WARNING  
To prevent fire or shock hazard, do not expose the unit  
to rain or moisture.  
To avoid electrical shock, do not open the cabinet.  
Refer servicing to qualified personnel only.  
This unit uses CD-ROM discs with the following mark.  
When you use this unit as an audio CD player, use compact  
discs with the following mark.  
This label is located on  
the top of the drive.  
CAUTION  
INVISIBLE LASER RADIATION WHEN OPEN. DO NOT  
STARE INTO BEAM OR VIEW DIRECTLY WITH OPTICAL  
INSTRUMENTS.  
VORSICHT UNSICHTBARE LASERSTRAHLUNG, WENN ABDECKUNG  
GEÖFFNET. NICHT IN DEN STRAHL BLICKEN, AUCH  
NICHT MIT OPTISCHEN INSTRUMENTEN.  
ADVARSEL USYNLIG LASERSTRÅLING VED ÅBNING SE IKKE IND I  
STRÅLEN-HELLER IKKE MED OPTISKE INSTRUMENTER.  
ADVARSEL USYNLIG LASERSTRÅLING NÅR DEKSEL ÅPNES. STIRR  
IKKE INN I STRÅLEN ELLER SE DIREKTE MED OPTISKE  
INSTRUMENTER.  
Dieser Aufkleber befindet  
sich an der Oberseite des  
Gehäuses.  
VARNING  
OSYNLIG LASERSTRÅLNING NÄR DENNA DEL ÄR  
ÖPPNAD. STIRRA EJ IN I STRÅLEN OCH BETRAKTA EJ  
STRALEN MED OPTISKA INSTRUMENT.  
VARO!  
AVATTAESSA OLET ALTTIINA NÄKYMÄTTÖMÄLLE  
LASERSÄTEILYLLE. ÄLÄ TUIJOTA SÄTEESEEN ÄLÄKÄ  
KATSO SITÄ OPTISEN LAITTEEN LÄPI.  
Caution-Use of controls or adjustments or performance of procedures other than those  
specified herein may result in hazardous radiation.  
Caution-The use of optical instruments with this product will increase eye hazard.  
2
 
INFORMATION  
You are cautioned that any changes or modifications not expressly approved in this  
manual could void your warranty covering this equipment.  
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 experienced radio/TV technician for help.  
This CD-ROM Drive Unit is classified as a CLASS  
1 LASER PRODUCT.  
CLASS 1  
LASER PRODUCT  
The CLASS 1 LASER PRODUCT label is located  
on the top of the drive.  
LASER KLASSE 1  
PRODUKT  
Bei diesem CD-ROM-Laufwerk CDU625 handelt  
es sich um ein Laser-Produkt der Klasse 1. Ein  
entsprechender Aufkleber mit der Beschriftung  
LUOKAN 1 LASERLAITE  
LASER KLASSE 1 PRODUKT befindet sich auf  
KLASS 1 LASER APPARAT  
der Oberseite des Geräts.  
Diese Ausrüstung erfüllt die Europäischen EMC-Bestimmungen für die Verwendung in  
folgender/folgenden Umgebung(en):  
• Wohngegenden  
• Gewerbegebiete  
• Leichtindustriegebiete  
(Diese Ausrüstung erfüllt die Bestimmungen der Norm EN55022, Klasse B.)  
3
 
Trademarks  
• MS-DOS is a registered trademark of Microsoft Corporation.  
• IBM PC, PC/XT, and PC/AT are registered trademarks of International Business  
Machines Corporation.  
• HP Vectra is a registered trademark of the Hewlett-Packard Company.  
• Molex is a registered trademark of Molex, Inc.  
• AMP is a registered trademark of AMP, Inc.  
• 3M is a registered trademark of the Minnesota Mining and Manufacturing Company.  
• JAE is a registered trademark of Japan Aviation Electronics Industry, Ltd.  
4
 
Contents  
Introduction  
6
Features .............................................................................................. 6  
Software Requirement ........................................................................ 7  
Example of System Setup .................................................................. 7  
Location and Function of Parts and Controls  
8
Front Panel ......................................................................................... 8  
Rear Panel .......................................................................................... 9  
Precautions  
10  
Installing the Drive inYour Computer  
11  
Preparation ....................................................................................... 11  
Setting the Jumpers.......................................................................... 11  
Opening the Computer ..................................................................... 13  
Preparing a Space for the Drive ....................................................... 14  
Mounting the Drive ........................................................................... 15  
Connecting the Drive ........................................................................ 15  
Mounting the Host Adapter ............................................................... 18  
Reassembling the Computer ............................................................ 19  
Installing the Software Driver  
20  
Operating the Drive  
21  
Starting the Drive .............................................................................. 21  
Ejecting the Disc ............................................................................... 23  
How to Use the Disc Locks ............................................................... 24  
Specifications  
26  
5
 
Introduction  
Features  
The CDU625 is an internal CD-ROM (Compact Disc Read-Only  
Memory) drive unit designed for use with an IBM PC, HP Vectra, or  
compatible computer. It can read as much as 540 Mbytes of digital  
data stored in a single CD-ROM disc.  
The CDU625 has the following features:  
General  
• 5 1/4 inch half-height drive form factor.  
• Embedded SCSI bus interface (SCSI-2).  
• 256-kbyte buffer memory on the SCSI controller.  
• Audio CD like drawer loading of a disc without using a caddy.  
• Power loading and power eject of a disc. The disc can also be  
ejected manually.  
• Housed in an airtight frame casing.  
• Equipped with a parity on/off switch.  
Supported disc format  
• Reads data in CD-ROM, CD-ROM XA, CD-I and CD-I Ready  
standard format discs, and from CD EXTRA disc.  
• Reads data in CD-BRIDGE format including PHOTO-CD.  
• Reads standard CD-Digital Audio encoded discs.  
Performance  
• Supports standard, quadruple, and 12 - 24× speed operations with  
real time error correction.  
• Fast access time ensuring reliable high-speed data access.  
Audio  
• Outputs 16-bit digital audio data over the SCSI interface.  
• Equipped with audio line output and headphones jack for audio  
CD playback.  
Note:  
The CDU625 is not equipped with an ADPCM audio circuitry  
required to support CD-ROM XA and CD-I compatible audio  
modes. In addition, the unit does not support the CD-I graphic  
decoding function; it has to be provided by the system.  
Introduction  
 
6
Software Requirement  
To access data on CD-ROM discs, the appropriate device driver and  
MSCDEX (supplied with the host adapter) must be installed in your  
computer. See the manual that comes with the host adapter for  
details.  
The application software you need for using the data on a CD-ROM  
disc depends on the type and format of the target data. See the  
manual supplied with your CD-ROM disc for instructions.  
Example of System Setup  
To use the CDU625, at least the following components are  
necessary.  
• Computer (IBM PC, PC/XT, PC/AT, HP Vectra, or equivalent)  
• Host adapter  
• Floppy disk drive  
• Interface cable (50 pin flat cable)  
• Software (Device driver, Utilities)  
The following is an example of system setup.  
Software  
Host computer  
Floppy disk  
drive  
Host adapter  
ID No.3  
ID No.7  
CDU625  
Audio cable  
Introduction  
 
7
Location and Function of Parts and Controls  
Front Panel  
1
2
3
5
6
4
1Discdrawer  
Accepts a CD-ROM disc on its tray.  
2Headphonesjack  
Accepts a stereo headphones set. Analog audio signals are  
output.  
3Volumecontr ol  
Controls the volume level of sound output from the headphones  
jack 2.  
4Busyindicator  
This amber indicator lights or flashes to indicate one of the  
following unit conditions.  
• Steady lit: TOC (table of contents) read, seek data read, or  
audio playback in progress.  
• Flashing: Drawer in motion.  
5Emergencyejecthole  
Used to open the disc drawer manually when neither the Eject  
button 6 nor a software command works. Insert a pointed  
object, such as a paper clip, into this hole and push (approx. 40  
mm stroke).  
6Ejectbutton  
Opens and closes the disc drawer.  
Location and Function of Parts and Controls  
 
8
Rear Panel  
Pin 1  
1
2
3
4
1AUDIO OUT connector  
Outputs analog audio signals.  
2SCSIbussettingjumperblock  
Specifies various SCSI bus settings. See page 12 for details.  
3interface CONNECT OR (SCSI b us)  
Connect to a SCSI host adapter using a connecting cable.  
4DC INPUT (power-in) connector  
Connect to the power supply of the host computer.  
Location and Function of Parts and Controls  
 
9
Precautions  
Installation  
• Avoid placing the drive in a location subject to:  
– high humidity  
– high temperature  
– excessive dust  
– mechanical vibration  
– direct sunlight  
• The drive can be used in either a horizontal or vertical position.  
• Do not force the power cable. It is keyed to protect the drive.  
Operation  
• Do not move the drive when it is in use. Doing so may cause data  
error and damage the optical pick-up.  
• Avoid exposing the drive to sudden changes in temperature as  
condensation may form on the lens inside the drive. Should the  
surrounding temperature suddenly rise while the drive is turned  
on, stop using the drive and leave the power on at least one hour  
before operating it or turning it off. Operating the drive  
immediately after a sudden increase in temperature may result in a  
malfunction.  
Transportation  
• Close the disc drawer before moving the drive.  
• Keep the original packing materials. When you need to ship the  
drive to another location, repacking it in its original container will  
help you transport it safely.  
Precautions  
10  
 
Installing the Drive inYour Computer  
This section provides the basic instructions you need to install the  
drive and host adapter in your computer. You should also read the  
manual of your computer for specifics of how to install internal  
devices.  
Preparation  
You need the following parts and tools (these are not supplied with  
the drive):  
• A flat-blade screwdriver  
• Four screws 3 mm in diameter (these should not protrude over 6.0  
mm from the surface of the side panels or the bottom plate.)  
• Two mounting rails if your computer has mounting tracks.  
Unplug the computer and disconnect the cables attached to the back  
to give yourself more room to work. Do not turn on the power of the  
computer before completing the entire installation process.  
Setting the Jumpers  
Set the jumpers on the rear of the drive in accordance with the  
configuration of your computer system.  
PARITY  
ID SELECT  
PREVENT / ALLOW  
1
2
3
TERM  
TEST MODE  
Installing the Drive in Your Computer  
 
11  
Removing the jumper from a jumper pin pair disables its  
corresponding function, and installing the jumper enables it.  
The recommended jumper for use is AMP Shunts (14227-1), JAE  
Short Socket (PS-2SH4-1) or equivalent.  
The following table shows the function of each pair of jumper pins.  
Jumper  
Function  
Enables/Disables the SCSI bus parity check  
function.  
PARITY  
Assigns the drive’s SCSI ID. Select an ID  
number which is not used by other SCSI devices  
connected to the bus. ID numbers and  
ID SELECT  
corresponding jumper pin setting are as follows:  
Jumper pin settings  
ID number  
0
1
2
0
1
2
3
4
5
6
7
G
®
G
®
G
®
G
®
G
G
®
®
G
G
®
®
G
G
G
G
®
®
®
®
G
®
:Without jumper  
:With jumper  
:Factory setting  
TERM  
G :ACTIVE TERMINATOR OFF  
® :ACTIVE TERMINATOR ON  
PREVENT/  
ALLOW  
Enable: The disc drawer can be opened by  
pressing the eject button or by a  
software command.  
Disable: The disc drawer cannot be opened either  
by the eject button or a software  
command.  
TEST MODE Reserved for use at the factory only.  
Notes:  
• The upper row of pins are ground.  
• ID SELECT, PREVENT/ALLOW, and TEST MODE are  
recognized only when the power is turned on or SCSI is reset.  
• TEST MODE is reserved for use at the factory only. Do not put a  
jumper over TEST MODE pins. Doing so may cause an  
unexpected result.  
Installing the Drive in Your Computer  
 
12  
Opening the Computer  
1 If your computer has its rear side covered by a plastic panel  
attached with plastic hook pad, pull it off.  
Computer  
Remove the plastic panel.  
Rear plastic panel  
2 Remove the cover mounting screws.  
Cover mounting screw  
Remove the screws.  
3 Remove the cover of the computer.  
Remove the computer cover.  
Installing the Drive in Your Computer  
 
13  
Preparing a Space for the Drive  
1 Remove the screws and brackets securing the floppy disk drive  
and the lower drive bay blanking plate.  
Floppy disk drive  
Lower drive bay  
blanking plate  
Remove the screws  
and brackets.  
2 Disconnect the floppy disk drive.  
Floppy disk drive  
3 Remove the floppy disk drive and the blanking plate.  
Floppy disk drive  
Blanking plate  
Installing the Drive in Your Computer  
 
14  
Mounting the Drive  
If mounting rails are necessary, attach them to the drive in the same  
way as the ones on your floppy disk drive and slide the drive into  
the lower drive bay. Otherwise screw the drive in place.  
Slide the drive into the lower bay.  
Connecting the Drive  
Connect the drive to the computer with the following connectors:  
• DC INPUT connector  
• AUDIO OUT connector (if you plan to connect audio equipment)  
• INTERFACE CONNECTOR.  
INTERFACE CONNECTOR  
DC INPUT  
connector  
AUDIO  
OUT  
connector  
Installing the Drive in Your Computer  
 
15  
DC INPUT connector  
The power supply cable recommended are those using an AMP  
1-480424-0 housing and 170147-1 or 170120 contacts. The pin  
assignment is as follows.  
GND  
GND  
+12 V DC  
+5 V DC  
After matching the beveled edges, insert the plug of the power  
supply cable to the DC INPUT connector and push it firmly in place.  
Caution: Improper connection may damage the drive and void the  
warranty.  
DC INPUT connector  
Power supply cable  
(4-pin connection cable)  
AUDIO OUT connector  
The audio output cable recommended are those using a Molex  
08-50-0113 or 08-50-4114 contacts and a 22-01-3047 housing. The  
pin assignment is as follows:  
GND  
GND  
Right signal  
Light signal  
Installing the Drive in Your Computer  
 
16  
INTERFACE CONNECTOR  
1 Firmly insert one end of the interface cable into the INTERFACE  
CONNECTOR.  
Pin 1  
INTERFACE  
CONNECTOR  
Interface cable  
2 Attach the other end of the cable to the host adapter.  
Host adapter  
Interface cable  
Installing the Drive in Your Computer  
 
17  
Mounting the Host Adapter  
Install the host adapter in one of the available system expansion  
slots of your computer. Refer to the operating instructions included  
with the host adapter for complete instructions on installation and  
settings.  
Install the host adapter in  
one of hte expansion slots.  
Installing the Drive in Your Computer  
 
18  
Reassembling the Computer  
1 Reinstall the floppy disk drive in the top drive bay.  
Reinstall the floppy disk drive.  
2 Reconnect the cables to the floppy disk drive.  
3 Fasten the screws and front brackets as they were before.  
4 Tuck the cables behind the drives so that they do not protrude  
above the power supply module.  
Tuck the cables.  
Power supply  
5 After checking the following points, slide the computer’s cover  
on and fasten the cover mounting screws at the back of the  
computer.  
• Are the connections between the drive and computer correct?  
• Are the jumpers set to the appropriate positions?  
6 Remount the rear plastic panel, if any.  
Installing the Drive in Your Computer  
 
19  
Installing the Software Driver  
The MSCDEX (or equivalent) and a device driver for the CD-ROM  
drive are supplied with the host adapter. Install both the MSCDEX  
(or equivalent) and the device driver in order to use the CD-ROM  
drive. Refer to the manual supplied with the host adapter for  
instructions.  
Installing the Software Driver  
 
20  
Operating the Drive  
This section describes how to start the drive and eject a disc.  
Starting the Drive  
1 Turn on the power of your computer.  
2 Press the eject button.  
The drawer comes out automatically.  
Press the eject button.  
3 Place a disc in the drawer with its label side up.  
Place a disc with  
its label side up.  
Operating the Drive  
 
21  
Note:  
When the drive is set up in vertical position, use the disc locks to  
prevent your disc from falling. See “How to Use the Disc Locks” on  
page 24 for details.  
Disc locks  
4 Gently push the drawer or press the eject button to close the  
drawer.  
The drive may begin reading the Table of Contents (TOC) data  
when it accepts the disc. The busy indicator lights up in amber  
while the drive is reading the TOC.  
For subsequent drive operations, follow the instructions provided  
with the application software you are using.  
Note:  
The busy indicator stays lit in amber if:  
– the disc is not properly placed on the loading tray  
– a malfunction occurs.  
In either case, eject the disc and place it in the loading tray again  
making sure that it sits properly in the tray. If doing this does not  
solve the problem and the busy indicator still remains lit in amber,  
consult your dealer or qualified service personnel.  
Caution: Do not forcibly close the disc drawer. Applying excessive  
force may damage the loading mechanism. The tray’s mechanism is  
designed to operate with a “feather touch”.  
Operating the Drive  
 
22  
Ejecting the Disc  
To eject the disc, press the eject button on the front panel. The  
drawer comes out automatically.  
Press the eject button.  
Note:  
The eject button does not work if it is disabled by:  
– the software you are using  
– the PREVENT/ALLOW jumper.  
Opening the drawer manually in an emergency  
You can open the drawer manually when it fails to come out by  
means of the eject button or software commands. To do this, follow  
the procedure below:  
1 Turn off the power of your computer.  
2 Insert a pointed object, such as a paper clip, into the emergency  
eject hole and push.  
Insert a pointed object to  
the emargency eject  
hole.  
Approx. 40 mm  
After removing a disc from the drive unit, consult your dealer or  
qualified service personnel.  
Operating the Drive  
 
23  
How to Use the Disc Locks  
The disc tray has four disc locks that prevent the disc from falling  
when the drive is set up in vertical position.  
Disc locks  
Note:  
When the drive is used in horizontal position, you do not need to  
lock the disc.  
Locking and unlocking  
All of the four locks are set in the unlocked position (facing  
outward) when the drive is shipped from the factory. To set the lock  
in the locked position, turn it with your fingers until you hear a click  
so that it faces inward.  
locked  
unlocked  
to lock  
to unlock  
Operating the Drive  
 
24  
When the drive’s right side is down  
To facilitate disc handling, set the disc locks B, C and D into the  
locked position, and leave the disc lock A in the unlocked position.  
D
A
Top side  
Right side  
C
B
When the drive’s left side is down  
To facilitate disc handling, set the disc locks A, C and D into the  
locked position, and leave the disc lock B in the unlocked position.  
C
B
Top side  
Left side  
D
A
Operating the Drive  
 
25  
Specifications  
General  
Host interface  
Disc  
SCSI-2  
Acceptable discs  
CD-Digital Audio discs  
CD-ROM mode-1 data discs  
CD-ROM mode-2 data discs  
CD-ROM XA discs (readable)  
Audio-combined CD-ROM discs  
CD-I discs (readable)  
CD-I Ready discs (readable)  
CD Bridge discs  
Photo CD discs (single and multi session)  
Rotational speed  
Innermost track  
530 min-1 (530 rpm/normal)  
2120 min-1 (2120 rpm/quadruple)  
6360 min-1 (6360 rpm/maximum)  
200 min-1 (200 rpm/normal)  
Outermost track  
800 min-1 (800 rpm/quadruple)  
4800 min-1 (4800 rpm/maximum)  
Drive performance  
Data transfer rate  
Sustained rate  
150 kbytes/s (×1 mode)  
600 kbytes/s (×4 mode)  
3600 kbytes/s (P-CAV mode)  
5 Mbytes/s (asynchronous)  
20 Mbytes/s (synchronous)  
Burst rate  
Access time  
Random  
90 ms (typical, P-CAV mode)  
Reliability  
Read error rate (includes retry, with a standard disc)  
L-EC on  
L-EC off  
1 block /10l2 bits  
1 block /109 bits  
Audio  
Output level  
Line out  
0.75V at 47 kΩ  
0.55V at 32 Ω  
Headphone  
Specifications  
 
26  
Environmental conditions  
Operating  
Temperature  
Humidity  
Atmosphere  
5 °C to 50 °C (41 °F to 122 °F)  
10 % to 90 % (Max wet bulb 29 °C)  
Non-condensing  
Dimensions and mass  
Dimensions  
146 × 41.4 × 208 mm (w/h/d)  
(5 3/4 × 1 11/16 × 8 1/4 inches)  
0.84 kg (2 lb 3 oz)  
Mass  
Power requirement  
Voltage  
Ripple  
+5 V ± 5 % DC and +12 V ± 10 % DC  
+5 V DC: 100 mVp-p  
+12 V DC: 200 mVp-p  
Current  
Seek  
+12 V DC: 1.8 A (typ)  
+ 5 V DC: 1.3 A (typ)  
Connectors  
INTERFACE CONNECTOR  
(with DC INPUT connector) AMP 179376-1 or equivalent  
AUDIO OUT connector Molex 70553G or equivalent  
Laser  
Wave length  
Output power  
780 nm  
0.3 mW  
Design and specifications are subject to change without notice.  
Specifications  
27  
 
Dimension diagram  
Important:  
The overhang of the screws should not exceed 6.0 mm from the  
surface of the side panels or the bottom plate.  
203 (8)  
5
42.3  
11  
7
( /32  
)
(1  
/
)
16  
79.25  
47.5  
7
1
(1 / )  
(3 / )  
8
8
Specifications  
 
28  

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