users manual

FCC ID: IUO9TB091CRB

Users Manual

Download: PDF
FCCID_138048

DVD-ROM & CD-R/RW DRIVE UNIT



          SR-8571-B / SR-8571-C



              INSTRUCTION MANUAL




Please read through these instructions before operating this unit.




Interface : ATAPI


                           DVD-ROM & CD-R/RW DRIVE UNIT
                               CW-8571-B / CW-8571-C
                               INSTRUCTION MANUAL




                                                                                                                                   ENGLISH
                  Please read through these instructions before operating this unit.
                  Interface : ATAPI




                                              TABLE OF CONTENTS

IMPORTANT SAFETY NOTICE ................................................................................ iv
LASER SAFETY INFORMATION ............................................................................. A-1
INTRODUCTION ........................................................................................................ A-4
1. PRECAUTIONS WHEN OPERATING ................................................................... A-5
   1.1 PRECAUTIONS WHEN TRANSPORTING ...................................................... A-5
   1.2 INSTALLATION LOCATION ............................................................................ A-5
   1.3 PRECAUTIONS FOR USE .............................................................................. A-5
   1.4 PRECAUTIONS FOR OPERATION ................................................................ A-5
   1.5 PRECAUTIONS WHEN HANDLING DISCS .................................................... A-5
2. PARTS AND FUNCTIONS .................................................................................... A-7
   2.1 FRONT VIEW ................................................................................................... A-7
   2.2 REAR VIEW ..................................................................................................... A-7
3. CONNECTIONS ..................................................................................................... A-8
   3.1 CONNECTING VIEW ....................................................................................... A-8
4. GUIDE TO OPERATION ....................................................................................... A-8
   4.1 INSTALLATIONS ............................................................................................. A-8
5. GENERAL DESCRIPTION .................................................................................... A-9
   5.1 FEATURE SUMMARY ..................................................................................... A-9
   5.2 SYSTEM SET UP ............................................................................................ A-9
   5.3 POWER SAVING ............................................................................................. A-9
6. SPECIFICATION SUMMARY ................................................................................ A-9
   6.1 PERFORMANCE ............................................................................................. A-9
   6.2 ERROR RATES ............................................................................................... A-10
   6.3 AUDIO PERFORMANCE ................................................................................. A-10
   6.4 GENERAL PERFORMANCE ........................................................................... A-11
   6.5 ENVIRONMENTAL CONDITIONS ................................................................... A-11
   6.6 PICK UP LASER .............................................................................................. A-11
7. BEFORE REQUESTING SERVICE ....................................................................... A-11
   7.1 TROUBLESHOOTING ..................................................................................... A-11



                                                                                                                             iii


                    IMPORTANT SAFETY NOTICE
     NOTICE
     (1) You may not reproduce or transcribe any part of this publication without permission.
     (2) We reserve the right to revise this document at any time without notice.
     (3) If you have any questions about this document, contact your sales representative.

     SAFETY NOTICE
     (1) To prevent fire or electric shock, do not expose this appliance to rain or moisture.
     (2) To avoid electric shock or damage to the eyes due to laser beam, do not attempt to
         disassemble the cabinet.

        For USA (Model CW-8571-B only)

     FEDERAL COMMUNICATIONS COMMISSION (FCC) RADIO
     FREQUENCY INTERFERENCE STATEMENT
     Class B Computing Device
     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.

     FCC WARNING : Changes or modifications not expressly approved by the party
     responsible for compliance could void the user's authority to operate the equipment.




iv


LASER SAFETY INFORMATION
Class 1 LASER Product




                                                                                                  ENGLISH
This equipment is certified to comply with DHHS Rule 21 CFR Chapter 1, Subchapter J in
effect as of date of manufacture.
Elsewhere, the drive is certified to conform to the requirements of the International
Electrotechnical Commission (IEC) 825 and CENELEC EN60825 for Class 1 laser
products.
Class 1 laser products are not considered to be hazardous. To ensure continued product
safety, the following precautions should be heeded. This equipment has the Optical Pickup
which has the Dual Lasers (DVD & CD).

  Caution :
  (1) The use of controls or adjustments or performance of procedures other than those
      specified herein may result in hazardous radiation exposure.
  (2) The drive is designed to be incorporated into a computer-based system or unit which
      has an enclosing cover. The drive may not be used as a stand-alone unit.
  (3) Do not open the drive unit; no user adjustments or serviceable parts are inside.




                            CAUTION–
                   Laser radiation when open.
                   DO NOT STARE INTO BEAM.
                            DANGER–
                 Invisible Laser radiation when open.
                  AVOID DIRECT EXPOSURE TO BEAM.



• This label is attached beside the Pickup lens in the drive unit.




                                                                                            A-1


                CLASS 1 LASER PRODUCT                LASER KLASSE 1          LUOKAN 1 LASERLAITE
                KLASS 1 LASER APPARAT                EN60825                 APPAREIL A LASER DE CLASSE 1
                 CAUTION   – LASER RADIATION WHEN OPEN. DO NOT STARE INTO BEAM.
                 VORSICHT –
                     LASERSTRAHLUNG, WENN ABDECKUNG GEÖFFNE T, N I C H T I N D E N S T R A H L B L I C K E N .
                 ADVARSEL – LASERSTRÅLING VED ÅBNING, SE IKKE IND I STRÅLEN.
                 ADVARSEL – LASERSTRÅLING NÅR DEKSEL ÅPNES, STIRR IKKE INN I STRÅLEN.
                 VARNING – LASERSTRÅLNING NÄR DENNA DEL ÄR ÖPPNAD, STIRRA EJ IN I STRÅLEN.
                 VARO !     AVATTAESSA OLET ALTTIINA LASERSÄTEILYLLE, ÄLÄ TUIJOTA SÄTEESEEN.

                 CAUTION  – INVISIBLE L ASER RADIATION WHEN OPEN. AVOID EXPOSURE TO BEAM.
                 VORSICHT – UNSICHTBARE L ASERSTRAHLUNG, WENN ABDECKUNG GEÖFFNET,
                            NICHT DEM STRAHL AUSSETZEN.
                 ADVARSEL – USYNLIG LASERSTRÅLING VED ÅBNING.
                            UNDGÅ UDSÆTTELSE FOR STRÅLING.
                 ADVARSEL – USYNLIG L ASERSTRÅLING NÅR DEKSEL ÅPNES.
                            UNNGÅ EKSPONERING FOR STRÅLEN.
                 VARNING  – OSYNLIG LASERSTRÅLNING NÄR DENNA DEL ÄR ÖPPNAD.
                            STRÅL EN ÄR FARLIG.
                 VARO !     AVATTAESSA OLET ALTTIINA NÄKYMÄTÖNTÄ L ASERSÄTEILYLLE.
                            ÄLÄ KATSO SÄTEESEEN.
                 DANGER – Invisible L aser radiation when open. AVOID DIRECT EXPOSURE TO BEAM.



      • This label is attached to the bottom of the drive unit.
      • Diese Aufschrift befinded sich auf der Bodenplatte des Gerätes. (For German)
      • Cette étiquette figure au dos du lecteur. (For French)
      • Märkningen återfinns på drivenhetens undersida. (For Swedish)
      • Denne merkelappen er festet til undersiden av spilleren. (For Norwegian)
      • Denne etiket er sat fast i bunden af drev-enheden. (For Danish)
      • Tämä etiketti on liimattu laitteen pohjaan. (For Finnish)




            For Finnish
   VAROITUS!                 Laitteen käyttäminen muulla kuin tässä käyttöohjeessa mainitulla tavalla
                             saattaa altistaa käyttäjän turvallisuusluokan 1 ylittävälle näkymättömälle
                             lasersäteilylle.


             For Swedish
   VARNING!                   Om apparaten används på annat sätt än i denna bruksanvisning
                              specificerats, kan användaren utsättas för osynlig laserstrålning, som
                              överskrider gränsen för laserklass 1.




A-2


                                                                                                      ENGLISH
for DVD-ROM or DVD-RAM                                  for CD-R/RW or CD-ROM
LASER Specification                                     LASER Specification
Type: Semiconductor laser InGaAlP or InGaAlP / GaAs     Type:       Semiconductor laser GaAlAs
Wave Length:    650 ± 15 nm                             Wave Length:      785 ± 5 nm
Divergence:     θ = 20 ° ~ 35 ° (Typical 27 °)          Divergence: θ = 15 ° ~ 19 ° (Typical 17 °)
Output Power:   0.33 mW                                 Output Power:     Read = 1.0 mW
                                                                          Write = 57 mW
Laser-Daten:      (For German)
Typ: InGaAlP oder InGaAlP / GaAs-Halbleiter-Laser       Laser-Daten:      (For German)
Wellenlänge:      650 ± 15 nm                           Typ:              GaAlAs-Halbleiter-Laser
Divergenz:        θ = 20 ° ~ 35 ° (Typisch 27 °)        Wellenlänge:      785 ± 5 nm
Ausgangsleistung: 0,33 mW                               Divergenz: θ = 15 ° ~ 19 ° (Typical 17 °)
                                                        Ausgangsleistung: Lesen = 1,0 mW
LASER:             (For French)                                           Schreiben = 57 mW
Type:Laser semi-conducteur InGaAlP ou InGaAlP/ GaAs
Longueur d’ondes:        650 ± 15 nm                    LASER:             (For French)
Divergence:              θ = 20 ° ~ 35 ° (Environ 27 °) Type:        Laser semi-conducteur GaAlAs
Puissance de sortie:     0,33 mW                        Longueur d’ondes: 785 ± 5 nm
                                                        Divergence: θ = 15 ° ~ 19 ° (Typical 17 °)
Laser- specifikationer: (For Swedish)                   Puissance de sortie:       Lecture = 1,0 mW
Typ: Laserhalvedare InGaAlP eller InGaAlP / GaAs                                   Ecriture = 57 mW
Våglängd:          650 ± 15 nm
Divergens:         θ = 20 ° ~ 35 ° (Typiskt 27 °)       Laser- specifikationer: (For Swedish)
Uteffekt:          0,33 mW                              Typ:               Laserhalvedare GaAlAs
                                                        Våglängd:          785 ± 5 nm
LASER Spesifikasjon: (For Norwegian)                    Divergens: θ = 15 ° ~ 19 ° (Typical 17 °)
Type: Halvleder laser InGaAlP eller InGaAlP / GaAs      Uteffekt:          Läsning = 1,0 mW
Bølgelengde:       650 ± 15 nm                                             Skrivning = 57 mW
Divergens:         θ = 20 ° ~ 35 ° (Typisk 27 °)
Utgangseffekt:     0,33 mW                              LASER Spesifikasjon: (For Norwegian)
                                                        Type:              Halvleder laser GaAlAs
Laser Specifikationer: (For Danish)                     Bølgelengde:       785 ± 5 nm
Type: Semiconductor InGaAlP eller InGaAlP / GaAs        Divergens: θ = 15 ° ~ 19 ° (Typical 17 °)
Bølge-længde:      650 ± 15 nm                          Utgangseffekt:     Lese = 1,0 mW
Divergens:         θ = 20 ° ~ 35 ° (Typisk 27 °)                           Skrive = 57 mW
Udgang-effekt:     0,33 mW
                                                        Laser Specifikationer: (For Danish)
LASERin tekniset tiedot: (For Finnish)                  Type:              Semiconductor GaAlAs
Tyyppi: Laserpuolijohdin InGaAlP eli InGaAlP / GaAs     Bølge-længde:      785 ± 5 nm
Aallon pituus:     650 ± 15 nm                          Divergens: θ = 15 ° ~ 19 ° (Typical 17 °)
Hajaantuminen: θ = 20 ° ~ 35 °                          Udgang-effekt:     Læse = 1,0 mW
                      (Tyypillinen 27 °)                                   Skrive = 57 mW
Teho:              0,33 mW
                                                        LASERin tekniset tiedot: (For Finnish)
                                                        Tyyppi:            Laserpuolijohdin GaAlAs
                                                        Aallon pituus:     785 ± 5 nm
                                                        Hajaantuminen:
                                                                     θ = 15 ° ~ 19 ° (Typical 17 °)
                                                        Teho:              Lue = 1,0 mW
                                                                           Kirjoita = 57 mW




                                                                                            A-3


                                    INTRODUCTION

      This DVD-ROM & CD-R/RW drive features both DVD/CD media reading
      and CD-R/RW media writing technology.


        This drive unit uses DVD-ROM discs which bear the following mark.

                                                   or
                                              TM




        This drive unit uses CD-R discs which bear the following mark.
                                     COMPACT



                                  Recordable

        This drive unit uses CD-RW discs which bear the following mark.



                                  ReW ritable

        This drive unit uses CD-ROM discs which bear the following mark.
                                      COMPACT




        This drive unit uses audio compact discs which bear the following mark.
                                     COMPACT


                                  DIGITAL AUDIO




A-4


CHAPTER 1 PRECAUTIONS WHEN OPERATING

1.1 PRECAUTIONS WHEN TRANSPORTING




                                                                                                ENGLISH
   To avoid damage
   * Keep the original packing materials for the drive unit.
   * Before you transport the drive unit, remove the disc from the drive unit and repack
     the drive unit in its original packing.

1.2 INSTALLATION LOCATION
   Do not place unit in the following environments.
   * High-temperature, high-humidity, extreme temperature changes.
   * Dusty
   * Excessive vibration/ sudden shock.
   * Inclined place.
   * Direct sunlight.

1.3 PRECAUTIONS FOR USE
   * Never push objects of any kind through the Cabinet slots, never spill liquid of any
     kind on the unit.
   * Do not place objects on the product.
   * Do not attempt to service this product yourself.
   * Do not open or remove covers.
   * Do not place foreign objects in the disc insertion slot and attempt to operate.
   * Do not use DVD-ROM drive when vertically installed. (Horizontal installation type only)

1.4 PRECAUTIONS FOR OPERATION
   To avoid error
   * Do not move the drive unit during operation.
   * Do not operate the unit directly after a sudden increase in temperature.
    NOTE :
     A great proportion of problems are usually caused by the following.
     ➀ Dust or Finger-prints on the surface of the disc.
     ➁ Random Electrical Noise.
     ➂ Scratches and Defects on the surface of the disc.


1.5 PRECAUTIONS WHEN HANDLING DISCS

➀ Hold the disc by the edges, do not touch
   the surface of the disc.




➁ To remove dust or fingerprint, use a clean,
   soft, dry cloth.




                                                                                          A-5


      ➂ Do not write and paste paper on the
        recording/ reading side of the disc.
        Do not paste paper to the all surface of the
        CD-R/RW disc.
        When labelling a CD-R/RW disc for
        identification purposes, write only on the
        premarked label side using a soft, felt tip
        marker.
        Should not paste a large or thick label to
        the outer back surface (the label side) of
        the disc, or it generates drive vibration due
        to imbalance of the disc.

      ➃ Do not store the disc in a place where
        the temperature is high.




      ➄ Do not use benzine, thinners and
        cleaners, etc.

                                                                     T h inne r s



                                                        B en zin e       C le ane r s




      ➅ Do not make the center hole larger.




      ➆ Do not bend the disc.




      ➇ Do not drop the disc, or subject it to
        shock.




A-6


CHAPTER 2 PARTS AND FUNCTIONS
2.1 FRONT VIEW
                                             ➀




                                                                                                 ENGLISH
➀ DISC TRAY                ➁    ➂    ➃               ➅        ➄
  Accepts a disc.

➁ HEAD PHONE JACK (Model CW-8571-B only)
  Headphone can be connected using a 3.5mm stereo mini plug.

➂ VOLUME (Model CW-8571-B only)
  Adjusts audio output level of Headphone.

➃ BUSY / WRITING INDICATOR
  Lights when data is being accessed from the disc, or the drive is playing an audio CD.
  Blinks when the drive is writing onto the CD-RW or CD-R disc.

➄ EJECT/LOAD BUTTON
  Ejects and loads the disc tray.

➅ EMERGENCY EJECT HOLE
  Insert an instrument such as straightened paper clip into this hole to manually
  eject the tray. (See 4.1)



2.2 REAR VIEW




                           ➄ ➂ ➃               ➀            ➁
➀ INTERFACE CONNECTOR
  Connects to host computer’s interface connector.

➁ DC (IN) CONNECTOR
➂ AUDIO OUT CONNECTOR (Analog)
➃ JUMPER PIN
  Insert the jumper according to the Master / Slave / CSEL drive.
  (See the figure in the next page.)

➄ DIGITAL AUDIO OUT CONNECTOR


                                                                                           A-7


      CHAPTER 3 CONNECTIONS

      3.1 CONNECTING VIEW
                                                                          DC (IN) Connector
                        Interface Connector
                   Jumper Pin
      Audio Out Connector                                                     DC Power Connector

        Digital Audio Out
        Connector




               Jumper
               Drive-Select (Master/Slave/CSEL)
                        Cable select (CSEL)
                                                                 Interface Cable
                        Slave
                        Master

      CHAPTER 4 GUIDE TO OPERATION
      4.1 INSTALLATIONS
           • Starting the drive.
          ➀ Turn on the power supply.
          ➁ Press the eject button. The tray is ejected
              from the drive.
          ➂ Place the disc in the tray with the disc’s label
              facing up.
          ➃ Press the eject button or press the tray
              lightly as in the following figure.
              The tray is retracted automatically.
                                                                    * This figure shows in case of
          ➄ Loading start.                                            Horizontal Installation.

           CAUTION:
             • Do not insert any foreign objects into the disc tray. This could result in a
               malfunction.
             • Do not manually force the tray to open.
             • When the drive is not in use, keep the tray closed to protect against dust and dirt.
             • Do not press down hard on the tray when loading a disc, since this may result
               in damage to or malfunction of the tray.

      • In case of emergency, eject the tray manually                       Min. 45 mm
        If for some reason the tray will not eject automatically, press
        the eject-bar (for example, insert a straightened paper clip
        minimum straight length = 45 mm, Diameter = 1 ~ 1.5 mm)
        into the emergency eject hole to manually eject the tray.
        (Before proceeding with this emergency step, make sure
        that the power is switched OFF.)                                        Paper clip


A-8


CHAPTER 5 GENERAL DESCRIPTION
5.1 FEATURE SUMMARY




                                                                                                ENGLISH
  ➀ Embedded ATAPI Interface.
  ➁ Automatic Loading with tray.
  ➂ Horizontal and Vertical Installation.
     (Vertical : Vertical installation type only, 12 cm Disc only)
  ➃ Both DVD & CD-R/RW media readable or writable
  ➄ MS-DOS CD-ROM Extensions Available.
  ➅ 5 1/4” Half Height Design.


5.2 SYSTEM SET UP

   The ATAPI Devices are selected by the Address field in the Drive Select Register. When
   a single Device is attached to the interface, it shall be set as Device 0. When the ATAPI
   Device is attached along with an ATA Mass Storage Device, the ATAPI Device will be
   set as Device 1 and respond as a Slave.


5.3 POWER SAVING

   ➀ When the drive waits for a command from the Host for more than two minutes,
       then the drive enters Power Save Mode. Laser and Spindle motor stop.

   ➁ Re-start is automatic when the Host Command is received or eject button is
       pushed.




 NOTE :
  • ATAPI : AT Attachment Packet Interface.
  • MS-DOS and MS Windows are trademarks or registered trademarks of Microsoft
    Corporation.
  • IBM PC-AT is a registered trademark of International Business Machines
    Corporation.




                                                                                          A-9


   CHAPTER 6 SPECIFICATION SUMMARY
   6.1 PERFORMANCE

       ➀ Disc diameter               12cm, 8cm (CD-ROM / DVD-ROM)


       ➁ Disc speed
         CD-ROM (CAV mode) *1        6322 ~ 7376 r/min
         DVD (CAV mode)              6895 r/min


       ➂ Data capacity
                       CD :    703 / 797 Mbytes [ typical ] (Mode 1/ Mode 2)
                               (79 min and 58 sec disc)

                       DVD :   4.7 Gbytes (DVD-R)
                               4.7 Gbytes (Single Layer)
                               8.5 Gbytes (Dual Layer)
                               9.4 Gbytes (Single Layer Double Side)


       ➃ Data transfer Rate
         CD reading
         CD-ROM (CAV mode)           2070 ~ 4800 Kbytes/s (Mode 1)
                                     2365 ~ 5484 Kbytes/s (Mode 2)
         CD-RW (CAV mode)            1293 ~ 3000 Kbytes/s (Mode 1)
                                     1477 ~ 3427 Kbytes/s (Mode 2)

         CD-R/RW writing
         8x CLV mode *2              1200 Kbytes/s (Mode 1)
                                     1368 Kbytes/s (Mode 2)

         DVD reading
         DVD-5 (CAV mode)            55.01 ~ 132.96 Mbit/s
         DVD-9 (CAV mode)            36.67 ~ 88.64 Mbit/s
         DVD-R (CAV mode)            36.67 ~ 88.64 Mbit/s


         From buffer                 16.67 Mbytes/s (PIO Mode 4 without IORDY)
                                     16.67 Mbytes/s (Multi-word DMA Mode 2)
                                     33.3 Mbytes/s (Ultra DMA Mode 2)


       ➄ Access time
         Random access time (CD CAV mode) *3                   90 ms [ typical ]
         Fullstroke access time (CD CAV mode) *4              180 ms [ typical ]
         Random access time (DVD CAV mode) *5                 105 ms [ typical ]
         Fullstroke access time (DVD CAV mode) *6             210 ms [ typical ]


       ➅ Buffer Size                 2 MBytes


       MTBF                          125,000 POH (duty 20%)




A-10


  NOTE:




                                                                                             ENGLISH
   *1 CAV :                 Constant Angular Velocity

   *2 CLV:                  Constant Linear Velocity

   *3 Random access time (CD) : Average Data read over the complete area from
                                00 min. 02 sec. 00 block to 59 min. 58 sec.
                                74 blocks, more than 2000 times including
                                latency and layered error correction time.

   *4 Fullstroke access time (CD) : From 00 min. 02 sec. 00 block to 59 min. 58 sec.
                                    74 blocks including latency and layered error
                                    correction time.

   *5 Random access time (DVD) :Average Data read over the complete area from
                                starting data recorded area(LBA:0) to maximam data
                                recorded area(LBA:23197F), more than 2000 times
                                including latency and layered error correction time.

   *6 Fullstroke access time (DVD) : From starting data recorded area (LBA:0) to
                                maximam data recorded area (LBA:23197F)
                                including latency and layered error
                                correction time.




6.2 ERROR RATES

  • Soft read errors                    Less than 10 -9
  • Hard read errors                    Less than 10 -12


6.3 AUDIO PERFORMANCE

  (1) Analog audio
     ➀ Number of channels               2
     ➁ Frequency response               100 Hz ~ 20 kHz (Headphone)
                                        20 Hz ~ 20 kHz (Line-out)
    ➂ SN Ratio                          More than 80 dB (Headphone/ Line-out)
    ➃ Distortion
          • Line-out                    Less than 0.1 % (1 kHz)
          • Headphone                   Less than 0.2 % (1 kHz)
    ➄   Output level                    0.60 Vrms [ typical ] (Headphone/ Line-out)

  (2) Digital audio
     ➀ Output level                     3.3V CMOS level
     ➁ Data format                      Base a decision on IEC-958


                                                                                      A-11


   6.4 GENERAL PERFORMANCE
       ➀ Power rating                             +5 V     1.0 A
                                                 +12 V     2.0 A
       ➁ Dimensions (W x H x D)                  146 x 41.3 x 190 mm (exclude Front Bezel)
       ➂ Weight                                  915 g [ typical ]

   6.5 ENVIRONMENTAL CONDITIONS

       Operating
         • Temperature              5 ~ 50 °C
         • Humidity                 5 ~ 90 %RH
                                    (Max. wet bulb temp. is 29 °C, Non-condensation)
       Non-operating
         • Temperature              – 30 ~ 65 °C
         • Humidity                 5 ~ 90 %Rh
                                    (Non-condensation)

   6.6 PICK UP LASER

       ➀ for DVD-ROM or DVD-RAM
         • Type                     Semiconductor laser InGaAlP or InGaAlP / GaAs
         • Wave Length              650 ± 15 nm
         • Divergence               θ = 20 ° ~ 35 ° (Typical 27 °)
         • Output power             0.33 mW

       ➁ for CD-R/RW or CD-ROM
         • Type                     Semiconductor laser GaAlAs
         • Wave Length              785 ± 5 nm
         • Divergence               θ = 15 ° ~ 19 ° (Typical 17 °)
         • Output power             Read = 1.0 mW
                                    Write = 57 mW



   CHAPTER 7 BEFORE REQUESTING SERVICE

   7.1 TROUBLESHOOTING
         (1) There are many kinds of problems caused by misuse. When a problem occurs,
             check the table below which describes possible problems occurring with your
             DVD-ROM & CD-R/RW drive.
         (2) If the DVD-ROM & CD-R/RW drive is not operating correctly and you cannot
             restore operation by following the detailed procedures in the table below, do not
             remove the cover of the units or adjust further.
         (3) In the case of (2) above, unplug the unit and consult with your dealer or the nearest
             service station.

            TROUBLE                                     CORRECTION
   • DVD-ROM & CD-R/RW              ➀ Confirm that the connection between the DVD-ROM
     drive does not operate and         & CD-R/RW drive and the host computer is correct.
     Busy Indicator does not        ➁   Confirm that the program is correct.
     light.                         ➂   Confirm that the setting drive select switch is correct.
                                    ➃   Confirm that the disc has been inserted label side up.
                                    ➄   Confirm that foreign objects have not been inserted.



A-12


Weight and dimensions shown are approximate.
Specifications are subject to change without notice.



Document Created: 2001-02-23 14:29:38
Document Modified: 2001-02-23 14:29:38

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