Sony Computer Drive CDU948S User Manual

3-862-158-13(1)  
CDU948S  
CD-R Drive Unit  
CDU948S  
CD-R Drive Unit  
Users Guide  
Users Guide  
©1997 by Sony Corporation Printed in Japan  
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Owner’s Record  
The model and serial numbers are located on the bottom 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.  
Safety Regulations  
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.  
CAUTION  
As the laser beam in this CDU948S is harmful to the eyes, do not attempt to disassemble  
the cabinet. Refer servicing to qualified personnel only.  
The use of optical instruments with this product will increase eye hazard.  
The use of controls or adjustments or performance of procedures other than those  
specified herein may result in hazardous radiation.  
This label is located on the drive unit’s internal  
chassis.  
Dieses Etikett befindet sich auf dem inneren Chassis  
des Laufwerkes.  
DANGER  
INVISIBLE LASER RADIATION WHEN OPEN.  
AVIOD DIRECT EXPOSIRE TO BEAM  
VORSICHT  
UNSICHTBARE LASERSTRAHLUNG. WENN ABDECKUNG  
GEOFFNET  
NICHT DEMSTRAHL AUSSETZEN.  
INVISIBLE LASER RADIATION WHEN OPEN.  
DANGER  
AVOID DIRECT EXPOSURE TO BEAM.  
DANGER  
RADIATIONS INVISIBLES DU LASER EN CAS D'OUVERTURE.  
EVITER TOUTE EXPOSITION DIRECTE AU FAISCEAU.  
VORSICHT UNSICHTBARE LASERSTRAHLUNG, WENN ABDECKUNG GEÖFFNET.  
NICHT DEM STRAHL AUSSET ZEN.  
ADVARSEL USYNLIG LASERSTRÅLING VED ÅBNING.  
UNDGÅ UDS/ETTELSE FOR STRÅLING.  
ADVARSEL USYNLIG LASERSTRÅLING NÅR DEKSEL ÅPNES.  
UNNGÅ EKSPONERING FOR STRÅLEN.  
VARNING  
OSYNLIG LASERSTRÅLING NÅR DENNA DEL AR ÖPPNAD.  
STRÅLEN ÄR FARLIG.  
VAROI  
NÄKYMÄTÖN AVATTAESSA OLET ALTTINA LASERSÄTEILYLLE.  
ÄLÄ KATSO SÄTEESEN.  
This label is located on the bottom of the drive unit enclosure.  
Dieses Etikett befindet sich am Boden des Laufwerksgehäuses.  
2
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This unit uses CD-R discs with the following mark.  
This unit uses CD-ROM discs with the following mark.  
When you use this unit as a CD player, use compact  
discs with the following mark.  
WARNING — For the customers in U.S.A.  
You are cautioned that any changes or modifications not expressly approved in this  
manual could void your authority to operate 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 gurantee 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-R drive unit is classified as a CLASS 1 LASER  
CLASS 1  
LASER PRODUCT  
PRODUCT.  
LASER KLASSE 1  
PRODUKT  
The CLASS 1 LASER PRODUCT label is located at the  
bottom of the enclosure.  
Bei diesem CD-R-Laufwerk Serie handelt es sich um ein Laser-Produkt der Klasse 1.  
Dieses Etikett befindet sich am Boden des Laufwerksgehäuses.  
3
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Contents  
Introduction  
5
6
Location and Function of Parts and Controls  
Front Panel ......................................................................................... 6  
Rear Panel .......................................................................................... 7  
Precautions  
8
9
Example of System Setup  
Installing the Drive Unit into the Computer  
10  
Getting Started ................................................................................. 10  
Setting the Jumpers.......................................................................... 10  
Opening the Computer ..................................................................... 12  
Connecting the Drive ........................................................................ 13  
Mounting the Drive ........................................................................... 14  
Host Adapter Installation .................................................................. 16  
Closing the Computer ....................................................................... 17  
Installing the Software Driver  
18  
Using Discs and Caddies  
19  
Loading a Caddy with a Disc ............................................................ 19  
Storing Discs and Caddies ............................................................... 21  
Care of Discs .................................................................................... 21  
Operating the Drive  
22  
Starting Up........................................................................................ 22  
Ejecting a Caddy .............................................................................. 23  
Specifications  
25  
4
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Introduction  
The CDU948S is a drive unit for CD-R discs, which stores a  
maximum of 650 Mbytes of digital data.  
The drive unit has the following features:  
• Reads and writes data in each CD-ROM, CD-ROM XA and  
Multi-Session standard formats.  
• Reads standard CD-DA (“Red Book”) encoded discs, and reads  
and writes CD-R discs conforming to “Orange Book Part II.”  
• Supports the following write modes: Disc at once, Session at once,  
Track at once, Variable packet, Fixed packet and Multisession.  
• Outputs the audio as 16-bit digital data over the SCSI interface.  
• Supports read and write operation at each standard speed, double  
speed and quadruple speed, and read-only operation at eightfold  
speed.  
Supports real time error correction at all speeds.  
• 5 1/4 inch half-height drive form factor.  
• SCSI bus interface embedded. (Based on SCSI-2)  
• 2 MB buffer memory.  
• Capable of audio CD playback provided with audio line output  
and headphones jack.  
• Fast access time assures high-speed reading and writing opera-  
tions.  
• CD caddy for disc protection.  
• Power loading and power eject.  
• Emergency eject function which allows the caddy to be ejected  
manually.  
• Capable of real time layered error correction.  
• Employs a casing with an airtight frame.  
Software requirement  
Install the appropriate application software before using this unit.  
Introduction  
5
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Location and Function of Parts and Controls  
Front Panel  
CD Caddy  
1Caddy insertion slot  
Accepts a caddy loaded with a CD-ROM or CD-R disc.  
2Emergency eject hole  
Insert a fine rod into this hole to eject a caddy manually in  
emergencies.  
3Eject button  
Ejects the caddy from the drive unit.  
4Busy indicator  
This indicator shows the unit’s status in various phases of  
operation.  
* Seek, read and write: Flashes amber  
* Error:  
Lights up amber and stays lit  
When the power is turned on, the indicator lights up green.  
5Volume control  
Controls the volume of the analog audio output provided via a  
headphones jack.  
6Headphones jack  
Provides two channel analog audio output.  
6
Location and Function of Parts and Controls  
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Rear Panel  
1Jumper block for SCSI bus  
Specify assignment of the SCSI bus.  
2Terminators  
The terminator resistors are inserted into the sockets. Remove the  
resistors when the SCSI bus is to be terminated externally.  
Note:  
Some models are shipped without terminators.  
When installing the terminators, orient them so that the GND pin  
(the end marked with a dot) is toward the right side of the socket.  
3Power-in connector  
Connect to the power supply of the host computer.  
4SCSI bus interface connector  
Connect to a SCSI host adapter using a connecting cable.  
5Audio output connector  
Outputs analog audio signals.  
See page 14 for detail.  
6Frame ground tab  
Connect to one of the host computer’s ground cables when the  
drive frame is not in direct contact with the computer.  
Location and Function of Parts and Controls  
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7
Precautions  
Installation  
• Avoid placing the drive in a location subject to:  
high humidity  
high temperature  
excessive dust  
mechanical vibration  
direct sunlight.  
We recommend to use the drive in a horizontal position. Do not use  
it in a tilted position.  
Operation  
• Do not move the drive during operation. This may cause it to  
malfunction during reading or writing.  
• Avoid exposing the drive to sudden changes in temperature as  
condensation may form on the lens inside the drive as a result.  
Should the surrounding temperature suddenly rise while the drive  
is on, wait at least one hour before you turn off the power.  
Operating the drive immediately after a sudden increase in  
temperature, may result in a malfunction during reading or  
writing.  
Transportation  
• Keep the original packing materials for future transport of the  
drive.  
• Remove the caddy before moving the drive and, if you take the  
drive out of the computer, repack the drive as you received it.  
8
Precautions  
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Example of System Setup  
To use the CD-R device, the following components are required:  
• Computer (IBM-PC/AT* compatible)  
• SCSI-Host adapter  
• SCSI-Interface cable (50 to 50 pin flat cable)  
• Software (Device driver, utilities)  
* IBM-PC/AT is a registered trademark of International Business Machines  
Corporation.  
Example of System Setup  
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9
Installing the Drive Unit into the Computer  
As you go through this section, you may wish to refer to your  
computer’s manual for a more detailed description of how to install  
internal drives.  
Getting Started  
• Prepare the necessary parts and tools that have not been supplied:  
Screwdriver  
four screws 3 mm in diameter (Screws must not extend more  
than 4.0 mm into 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 for your own safety. Do not turn on the power of the  
computer before completing the entire installation process.  
Setting the Jumpers  
Set the jumpers on the rear panel of the drive unit in accordance  
with the configuration of your computer system.  
The jumpers are preset, as illustrated below, at the factory.  
10  
Installing the Drive Unit into the Computer  
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Remove the jumper to set to OFF, and install the jumper to set to ON.  
The recommended jumper is AMP* Shunts (14227-1), JAE** Short  
Socket (PS-2SH4-1) or equivalent.  
The following table shows the function of each jumper.  
Jumper  
Function  
DEVICE  
TYPE  
The setting of this jumper determines whether the  
SCSI device type code in the inquiry data is WO  
or CD-ROM.  
ON: WORM  
OFF: CD-ROM  
ID SELECT  
Assign the drive unit’s ID number by setting these  
jumpers to ON or OFF. Do not assign the same  
number as one used for other SCSI device.  
ID number  
Jumper settings  
0
1
2
OFF  
ON  
OFF  
ON  
OFF  
ON  
OFF  
ON  
OFF  
OFF  
ON  
ON  
OFF  
OFF  
ON  
ON  
OFF  
OFF  
OFF  
OFF  
ON  
ON  
ON  
ON  
0
1
2
3
4
5
6
7
KEY  
Used to prevent the SCSI bus interface connector  
from being plugged in upside down.  
PREVENT/  
ALLOW  
ON: Allows insert and removal of a CD caddy  
with the eject button and the eject  
command.  
OFF: Prevents insert and removal of a CD  
caddy with the eject button or an eject  
command.  
TEST MODE ON: Enables test mode.  
OFF: Enables normal operation.  
Factory settings  
Notes:  
• The upper row of pins (without KEY position) is ground.  
• ID SELECT, PREVENT/ALLOW, and TEST MODE are recog-  
nized when the power supply is turned on or SCSI bus is reset.  
• TEST MODE is used exclusively for the factory testing. Do not  
set TEST MODE to ON. Doing so may cause an unexpected  
result.  
*
AMP is a registered trademark of AMP, Inc.  
** JAE is a registered trademark of Japan Aviation Electronics Industry, Ltd.  
Installing the Drive Unit into the Computer  
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11  
Opening the Computer  
1 If your computer has its rear side covered by a plastic panel  
attached with plastic hook pad, pull it off.  
2 Remove the cover mounting screws.  
3 Remove the cover of the computer.  
Installing the Drive Unit into the Computer  
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12  
Connecting the Drive  
Attach one end of the flat cable (SCSI cable) to the connector on the  
rear of the CD-R drive.  
Note:  
The red edge of the flat cable should be positioned next to the power  
supply connector. It is important that this cable be connected firmly  
and correctly.  
Installing the Drive Unit into the Computer  
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13  
Audio output connector  
The audio output connector recommended is Molex 5159PBT  
contacts and 5051-04 housing or 5103 PBT contacts and 5102-04  
housing.  
Pin assignment  
Mounting the Drive  
1 Route the flat cable through the drive bay from the front of the  
computer and insert the CD-R drive into the bay as shown.  
Secure the CD-R drive to the frame by using the prepared  
screws.  
-
12V+10%  
GND  
-
+5%  
DC INPUT  
IEFACE CONNECTOR  
TEST MODE  
2
1
0
PREVENT/ALLOW  
ID SELECT  
PARITY  
R
GND  
L
AUDIO OUT  
F.GND  
Note:  
If you cannot secure the CD-R drive to the drive bay, you may need  
to install slide rails (not included) to the CD-R drive. Refer to your  
computer user’s guide for additional information.  
Installing the Drive Unit into the Computer  
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14  
2 Locate an available power supply cable inside your computer and  
connect it to the power supply connector on the rear of the CD-R  
drive as shown.  
+
+
-
-
Caution:  
Improper connection may damage the drive and void the warranty.  
Frame ground  
When normally installed, the drive unit is not in contact with the  
host computer directly and should be grounded. Connect the frame  
ground tab to one of the host computer’s ground cables.  
The frame ground cable recommended has a AMP 1-480435-0  
housing and 170203-2 or 60711-1 contacts.  
Installing the Drive Unit into the Computer  
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15  
Host Adapter Installation  
Connect the free end of the flat cable to the existing SCSI host  
adapter card and install the host adapter in the computer by inserting  
it securely in a system expansion slot. Refer to the operating  
instructions of the host adapter for complete instructions on its  
installation and the assignment of its switches.  
Notes:  
• The red edge of the flat cable must be closest to pin number 1 of  
the interface card connector.  
• The following illustration is a sample system configuration of the  
Sony CDU948S CD-R drive installation with a SCSI card.  
16  
Installing the Drive Unit into the Computer  
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Termination  
• If the CD-R drive is connected at the end of the SCSI chain, keep  
the drive terminator mounted at the drive.  
• If the CD-R drive isn’t the last device at the SCSI bus, remove the  
termination from the CD-R drive and make sure that the last  
device at the SCSI bus has a proper termination installed.  
• Be aware that the SCSI bus needs to be terminated at each end of  
the SCSI bus cable.  
Closing the Computer  
1 Replace the cover on the computer, being careful to reinstall all  
screws that were removed.  
2 Replace the AC power cord and turn on your computer.  
Installing the Drive Unit into the Computer  
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17  
Installing the Software Driver  
MSCDEX and the device driver for an ordinary SCSI CD-ROM  
drive can be used when using the CDU948S as a SCSI CD-ROM  
drive.  
Use the device driver for a CD-R drive when using the CDU948S as  
a recordable drive.  
Be sure to install the device driver before operating the drive. Refer  
to the manual supplied with the host adapter for instructions.  
Installing the Software Driver  
18  
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Using Discs and Caddies  
Loading a Caddy with a Disc  
1 To open the caddy lid, press the tabs on the both sides of the  
caddy at the end opposite to the shutter.  
2 Set a disc, with its label upward, in the caddy.  
Be careful not to touch the recording surface when setting a CD-  
R disc in the caddy. Data cannot be recorded if the recording  
surface is contaminated.  
Using Discs and Caddies  
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19  
3 Close the lid firmly.  
Important:  
• Do not drop the disc or the caddy.  
• The caddy is designed so that its shutter automatically opens when  
it is inserted into the drive unit. Do not open the shutter manually  
and touch the disc.  
• Data cannot be recorded if the recording surface is contaminated.  
• The caddy is precisely adjusted at the factory. Do not disassemble  
it.  
20  
Using Discs and Caddies  
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Storing Discs and Caddies  
• Remove the caddy from the drive unit before moving the drive.  
• Do not store the disc and caddy in a location subject to:  
high humidity  
high temperature  
excessive dust  
direct sunlight  
Care of Discs  
• Hold the disc by its edge. Do not touch the surface.  
• Wipe the CD-ROM disc with the optional CD cleaner to clean it.  
• Do not wipe a CD-R disc with a cleaner before recording data. To  
avoid scratching the recording surface, blow away dust using an  
air blower.  
Using Discs and Caddies  
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21  
Operating the Drive  
Make sure that the application software is installed in the host  
computer before using the drive.  
Starting Up  
1 Turn on the power supply.  
2 Insert the caddy into the drive slot with the disc’s label facing up,  
and push it partially into the drive until the automatic loading  
mechanism pulls the caddy in.  
Important:  
When inserting the caddy, let the automatic loading mechanism pull  
it into the drive by itself. Do not hold onto the caddy or attempt to  
overpower the loading mechanism.  
The drive begins reading the Table of Contents (TOC) data. The  
busy indicator lights amber while the TOC data is being read.  
When the busy indicator changes to green, the drive is ready to  
receive commands, and data may be retrieved from the disc.  
After loading the CD-R disc, it takes a moment for the drive to  
become ready while the Program Memory Area is read.  
From here on, follow the instructions provided with the application  
software.  
Notes:  
• The drive unit does not allow a caddy to be inserted if:  
–PREVENT/ALLOW of the jumper block is set to OFF.  
–the host computer is set to the PREVENT mode by the software.  
• The busy indicator keeps on lighting amber if:  
–the disc is not properly inserted.  
–a malfunction occurs.  
22  
Operating the Drive  
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In such a case, eject the caddy and re-insert it properly. If the busy  
indicator remains lit amber, consult your dealer or qualified service  
personnel. The busy indicator also lights amber during audio play.  
However, this is not a malfunction.  
Ejecting a Caddy  
1 Turn on the power supply.  
2 Press the eject button on the drive unit.  
CD Caddy  
Notes:  
• The eject button does not work if it is disabled by the software.  
• To eject a caddy when the eject button is disabled by the software:  
–Make sure that the jumper block’s PREVENT/ALLOW is set to  
ON.  
–Turn the power of your computer off, and turn it on again. (Or  
reset the SCSI bus using a software command.)  
Operating the Drive  
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23  
Ejecting a caddy manually in an emergency  
In the event of electrical or mechanical failure of the drive unit, a  
manual emergency eject is provided to allow removal of the caddy  
from the drive unit.  
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 with hand. (Typical required force is 59N  
[6.0kg])  
addy  
C
CD  
After removing the caddy from the drive unit, consult your dealer  
or qualified service personnel.  
24  
Operating the Drive  
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Specifications  
General  
Host interface  
Read Function  
SCSI-2, single ended, 50 pin  
Acceptable discs:  
CD-ROM mode-1 data discs  
CD-ROM XA discs  
CD-Audio discs  
Audio-combined CD-ROM discs  
CD-I discs  
CD-I Ready Discs  
Photo CD (Single and Multi session)  
Video CD  
CD-R discs (Conforming to  
“Orange Book Part II”)  
Write Function  
Applied Format:  
CD-ROM Mode-1  
CD-ROM XA  
CD-Audio  
Audio-combined CD-ROM  
CD-I  
Video CD  
CD-Text  
Writing Method:  
Disc at once  
Session at once  
Track at once  
Variable packet writing  
(Packet size : max. 2 Mbyte)  
Fixed packet writing  
(Packet size : max. 2 Mbyte)  
Multi-session  
Cache memory(R/W)  
Disc diameter:  
2 Mbyte  
12 cm(8cm Read Only)  
Rotational speed  
Innermost track:  
600 min-1 (600 rpm) at CLV = 1.4 m/s  
(1x)  
1200 min-1 (1200 rpm) (2x)  
2400 min-1 (2400 rpm) (4x)  
4240 min-1 (4240 rpm) (8x)  
200 min-1 (200 rpm) at CLV = 1.2 m/s  
(1x)  
400 min-1 (400 rpm) (2x)  
800 min-1 (800 rpm) (4x)  
1600 min-1 (1600 rpm) (8x)  
Outermost track:  
Specifications  
25  
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Drive performance  
Data transfer rate  
Sustained rate:  
150 kbytes/s (1x)  
300 kbytes/s (2x)  
600 kbytes/s (4x)  
1200 kbytes/s (8x)  
SCSI Interface  
Burst rate:  
5 Mbytes/s (asynchronous)  
10 Mbytes/s (synchronous)  
Access time  
Full stroke:  
500 ms (typical/1x)  
450 ms (typical/2x)  
400 ms (typical/4x)  
350 ms (typical/8x)  
350 ms (typical/1x)  
300 ms (typical/2x)  
250 ms (typical/4x)  
220 ms (typical/8x)  
Average:  
Reliability  
Read error rate (includes retry, normal disc)  
L-EC on:  
L-EC off:  
1 Block / 1012 bits (double)  
1 Block / 109 bits (double)  
Audio  
Output level  
Line out:  
0.7 V at 47 k  
0.55 V at 32 Ω  
Head phone:  
Environmental conditions  
Temperature and humidity  
Operating  
5 °C to 40 °C(41°F to 104 °F)  
(no condensation)  
Transportation  
–40 °C to 60 °C(–40 °F to 140 °F),  
10 % to 90 % (within 72 hours,  
no condensation)  
Storage  
–30 °C to 50 °C(–22 °F to 122 °F,  
10 % to 90 % (within 6 months,  
no condensation)  
Temperature and  
humidity gradients  
Vibration  
10 °C/hour, 10 %/hour  
Operating  
Read: 1.96 m /s2 (0.2 G o-p) at 5 Hz to  
300 Hz (sweep)  
Write:0.98 m /s2 (0.1G o-p) at 5Hz  
to 300 Hz(sweep)  
26  
Specifications  
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Non-operating  
Transportation  
19.6 m /s2 (2 G o-p) at 7 Hz to 300 Hz  
1.44 m2 /s3 -Hz (0.015 G2 /Hz) at 5 Hz to  
50 Hz  
Shock  
Operating  
Read: 49 m /s2 (5 G o-p) at 11 ms half  
sine wave (includes 5 retries)  
Write:4.9 m/s2 (0.5 G o-p) at 11ms half  
sine wave  
Non-operating  
Transportation  
490 m /s2 (50 G o-p) at 11ms half sine  
wave  
76 cm drop (with standard individual  
package)  
Dimensions and weight  
Dimensions  
146.0 x 41.4 x 203.0 mm ( w / h / d )  
(5 3/4 x 1 5/8 x 8 inches)  
1.0 kg  
Mass  
Power requirement  
Voltage  
Ripple  
+5 V ± 5 % DC and +12V DC ± 10 %  
+5 V: 0.05 Vp-p  
+12 V: 0.1 Vp-p  
Current  
Hold track state  
+5 Vdc  
+12 Vdc  
+5 Vdc  
+12 Vdc  
+5 Vdc  
+12 Vdc  
+5 Vdc  
+12 Vdc  
700 mA (Typ)  
< 900 mA (Max)  
500 mA (Typ)  
< 800 mA (Max)  
760 mA (Typ)  
< 1000 mA (Max)  
1000 mA (Typ)  
< 1400 mA (Max)  
760 mA (Typ)  
< 1000 mA (Max)  
900 mA (Typ)  
< 1400 mA (Max)  
500 mA (Typ)  
< 800 mA (Max)  
120 mA (Typ)  
Seeking  
Spin up/Write  
Stand by  
< 200 mA (Max)  
Connectors  
Power-in/Interface  
connector  
Audio connectors  
Molex 53450-5411 or equivalent  
Molex 50460-4A or equivalent  
Specifications  
27  
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Laser  
Type  
Wave length  
Output power  
Semiconductor laser GaAlAs  
778 to 787nm (at 25 ˚C ± 2 ˚C)  
2.5 mW (Read)  
60 mW (Write)  
Beam divergence  
60 degree  
Supplied accessory  
User’s Guide  
(1 each)  
Disc Caddy OPA-2000 (1 each)  
Optional accessories  
CD ROM discs:  
YHDS-50 “CD-ROM Test Disc Type 1.3”  
(equivalent to YHDS-4)  
YHDS-100 “CD-ROM Test Disc Type  
2.0" (audio-combined)  
Additional caddies:  
OPA-2000  
Crystal frequency  
33.8688 MHz  
34.5744 MHz  
Design and specifications are subject to change without notice.  
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.)  
28  
Specifications  
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Dimension diagram  
CD Caddy  
Important:  
Screws must not extend more than 4.0mm into the side panels or the  
bottom plate.  
Specifications  
29  
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