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OB-U0192

 

3

 

Name of Parts/Function/Setting 

 
Front Panel

 

 

 

  

1 .  Disc Tray 

 

     Tray loading-unloading is done by pressing the eject button. 
     Place the CD-ROM onto the tray with the label facing up. 
     Place a disc onto the inner lower groove on the tray in case an 8cm disc is used. 
     Press the eject button or push the front part of the tray gently to load disc tray. 
 
  

2 .  Head-Phone Jack 

(PHONES) 

     Stereo mini jack for head-phone.  

   

 Adjust  

Volume Control Knob

” 

minimum position before head-phone is connected. 

   

 The audio output of rear panel is active even when head-phone plug is inserted to this jack. 

 
  

3 .  Volume Control Knob 

(Head-Phone Level) 

     This is the volume control knob for adjusting sound level for head-phone. 
     When the knob is turned to the right, the head-phone volume goes up, and turned to the left, the  

   

volume goes down.  

 
  

4 .  BUSY Indicator

 

     It is lit when data on the disc is accessed. 
 
  

5 .  Eject Button

 

     This button is used to load and unload the tray. 
 
  

6 .  Forced Ejection Hole

 

     When a disc is stacked in the drive and the eject button does not work to open the tray, insert a stiff rod  
     into this hole and push gently so that the tray comes out. Unload the tray by hand then remove the disc.  
     Do not use the Forced Eject Hole except emergency case, use the eject button in normal operation.         
     Before executing this operation, turn off the power supply and wait more than 1 minute till disc rotation is    
     stopped. 

     Name of Parts/Function/Setting 

 

Summary of Contents for DR-944

Page 1: ...Max 40X CAV ATAPI CD ROM DRIVE UNIT DR 944 DR914 Operating Instructions Pioneer Electronic Corporation ...

Page 2: ...e 70msec RandomAverage HighSpeedSeek SeekTime 60msec RandomAverage BufferMemorySize 128kBytes IDEDataTransferMode SupportsPIOMode4 DMAMultiWordMode2 UltraDMA33 SupportsKODAKPhotoCD SupportsSingleandMulti Session SupportsCD XAReady SupportsCD IReady SupportsCDExtra SupportsVideoCD SupportstoreadCD RWdisc SupportsPowerSaveMode StereoAnalogAudioLineOutput DigitalAudioThroughATAPI ReadCD DA HeadPhoneO...

Page 3: ...olumeControlKnob Head PhoneLevel Thisisthevolumecontrolknobforadjustingsoundlevelforhead phone Whentheknobisturnedtotheright thehead phonevolumegoesup andturnedtotheleft the volumegoesdown 4 BUSYIndicator Itislitwhendataonthediscisaccessed 5 EjectButton Thisbuttonisusedtoloadandunloadthetray 6 ForcedEjectionHole Whenadiscisstackedinthedriveandtheejectbuttondoesnotworktoopenthetray insertastiffrod ...

Page 4: ...ordingtotheATAspecifications Itmaycausedatatransfererror iflongercablemorethanabovevalueisused Pin Name Pin Name Pin Name Pin Name 1 RESET 11 DD3 21 DMARQ 31 INTRQ 2 GND 12 DD12 22 GND 32 IOCS16 3 DD7 13 DD2 23 DIOW 33 DA1 4 DD8 14 DD13 24 GND 34 PDIAG 5 DD6 15 DD1 25 DIOR 35 DA0 6 DD9 16 DD14 26 GND 36 DA2 7 DD5 17 DD0 27 IORDY 37 CS1FX 8 DD10 18 DD15 28 CSEL 38 CS3FX 9 DD4 19 GND 29 DMACK 39 DAS...

Page 5: ...omtheplant Pin Name Function 1 MA on ThedriveisusedinMasterMode 2 SL on ThedriveisusedinSlaveMode 3 CS on Using CableSelect function 4 Reserved 5 Reserved 4 AudioOutput Aconnectorforoutputofanalogaudio This connector is compatible with Molex 70553 choose a connection cable which matches with the connector Pin Name Function 1 L Leftchannelaudiooutput 2 G Ground 3 G Ground 4 R Rightchannelaudiooutpu...

Page 6: ...tionandthediscissetinthe 8cmgrooveonthedisctrayatloading Donotuseanadapterfor8cmdiscinanyconditionsforthisdrive ormalfunctionmayoccur 3 Data Transfer Rate Parameter Min Typ Max Unit Note inner 2250 2415 2625 kBytes sec Sustained outer 6000 kBytes sec Max 40XCAVMode Burst 4 0 33 3 MBytes sec Maximumdatatransferrateisspecifiedwithadiscof1 2m slinearvelocity 4 Buffer Memory Size 128kBytes 5 AccessTim...

Page 7: ...stoppedbyissuingstopcommand 7 LoadingTime UnloadingTime Parameter Specification Note LoadingTime Lessthan4sec Theperiodfromadiscstartsloadingtillitis clumpedin thedrive UnloadingTime Lessthan4sec The time of disc unloading with stop condition by pressingtheejectbutton 8 AudioCharacteristic Item Specification Note Lineout 0 7 0 1Vrms 10kohmLoad Output level HeadphoneOut 0 45 0 2Vrms 32ohmLoad S NRa...

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