16.1 Using the lens cleaner ...................................................................................................... 31
16.2 Safety of Laser Products .................................................................................................. 32
– i –
1. SCOPE
This is hardware specification of the TEAC DW-224E-R93 built-in type CD-RW/DVD-ROM drive
(hereinafter referred to as drive). As for the software specification, refer to "DW-224E-C Software
Specification".
2. OUTLINE
The outline of this drive is given in Table 2-1.
(Table 2-1) Outline of the specification
Model nameDW-224E-R93
TEAC P/N1977098-R93
Applicable safety standardsUL, CSA, TÜV, CE
Data transfer rate (burst)33.3MBytes/sec max
Average access time90msec (CD-ROM)/110msec (DVD-ROM), average by
TEAC standards
Disc speed (24X CAV speed mode)
5,090min
Host interfaceIDE (ATAPI)
Power source+5VDC
Starting time19sec max
Readable discsCD/CD-ROM (12cm, 8cm)
DVD+R/RW (Single/Multi-session, Packet)
Write methodsDisc at once, Session at once, Packet write, Track at once
Front bezelBlack
Eject buttonBlack
Access indicatorGreen
Laser classClass 1 laser product
-1
(Approx)
– 1 –
3. CONSTRUCTION
3.1 External Construction
(1) Dimensions
(a) Height: 12.7mm (excluding the front bezel)
(b) Width: 128mm (excluding the front bezel)
(c) Depth: 129.4mm (excluding the eject button)
(2) Mass: 178g or less
(3) Disc clamp system: Ball clamp
(4) Loading: Manual loading using the tray
(5) Ejection
(a) Manual eject using the eject button
(b) Automatically eject using the command
(c) Eject distance: 10mm or more
(6) External view: Refer to Fig. 3.1-1.
– 2 –
(Fig. 3.1-1) External view of the drive
– 3 –
( ± 0.4 )
(Unit : mm)
3.2 Installation
(1) Installation direction: Refer to Fig. 3.2-1
(2) Tilt: Refer to Fig. 3.2-1 below.
(3) Installation method: The fixing holes in the side of the unit are used.
Separate discussions and arrangements are required when the
installation holes are not used.
Disc at once, Track at once, Session at once, and Packet write
4.5 Readable disc
Press CD, Recorded CD-R/RW, Press DVD, Recorded DVD-R, Recorded DVD-RW, Recorded DVD-RAM,
Recorded DVD+R, Recorded DVD+RW
4.6 Recordable Disc (Recording Speed)
Recommended as the recordable disc to be used in this drive is a 79-minute disc for 8x speed manufactured by
Taiyo Yuden Co., Ltd. (TEAC Part No.: T0006613, CD-R80-BULK). The use of other recordable discs is
conditional on mutual understanding between TEAC and specific users.
With the recommended type of discs, the following speeds of recording are available:
4x speed, 10x speed, 16x speed and 24x speed
– 6 –
5. PERFORMANCE
5.1 Operating Performance
(1) Average random access time : 90msec average (CD-ROM, 24x), 110msec average (DVD-ROM, 8x)
(2) Disc speed : Refer to 4.2
(3) Data transfer rate
(a) Read sustained: 1,545 to 3,600kB/sec (CD-ROM model)
4,469 to 10,816kB/sec (DVD-ROM)
(b) Programmed I/O: 16.7MB/sec max (Mode 0 to 4)
(c) Multi-word DMA: 16.7MB/sec max (Mode 0 to 2)
(d) Ultra DMA: 33.3MB/sec max
(4) Starting time
(a) When power is switched on/when disc is loaded
: 19sec max (excluding the multi-session CD)
(b) Return time from the standby mode
: 4sec or less
(5) Data buffer capacity: 2MB
5.2 Audio
(1) Line output
The following specifications apply during audio play.
(a) Number of channels: 2 channels (stereo)
(b) Frequency response: 20 to 20kHz (±3dB)
(c) Dynamic range: 83dB or more (IHF A, 1kHz, LPF 20kHz)
(d) S/N: 85dB or more (IHF A, 1kHz, LPF 20kHz)
(e) Distortion factor: 0.05% or less (1kHz, 20kHz LPF)
(f) Channel separation: 70dB or more (1kHz, 20kHz LPF)
(g) Output level: 0.8Vrms ±3dB (load = 47kΩ ATT = 0dB)
(h) Muting: each channel independent (using the ATAPI command)
(i) Volume: Software volume using the ATAPI command;
255 steps from volume level 0 to −∞ (infinity) dB; variable for each
channel independently.
5.3 Acoustic Noise
(1) Operating: 45dBA or less (during seek/read/write/Active/Idle, distance 0.5m)
(2) Ejecting: 65dBA or less (distance 0.5m)
– 7 –
6. ENVIRONMENTAL CONDITIONS
The environmental conditions as specified here do not include the environmental conditions of the disc. The
environmental conditions of the disc should follow the specifications of the applicable disc.
(1) Ambient temperature
(a) During operation: 5 to 45°C (Surface temperature on the top cover; 5 to 50°C)
(b) During non-operation: –20 to 60°C
(c) During transportation (packaged)
: –40 to 65°C
(2) Temperature gradient
(a) During operation: 11°C/hour or less (noncondensing)
(b) During non-operation/transportation
: 20°C/hour or less (noncondensing)
(3) Relative humidity
(a) During operation: 8 to 80% (noncondensing)
provided that the maximum wet-bulb temperature is 29.4°C or less.
(b) During non-operation/transportation
: 5 to 95% (noncondensing)
provided that the maximum wet-bulb temperature is 29.4°C or less.
(c) During transportation (packaged)
: 5 to 95% (noncondensing)
provided that the maximum wet-bulb temperature is 29.4°C or less.
(4) Vibrations
(a) During operation:
When installed horizontally: 2.9m/s
When installed vertically: 1.96m/s
provided that the sweep frequency is 5 to 500Hz and sweep rate,
1oct/min.
excepting recording mode.
(b) Transportation (packaged) : 19.6m/s
2
(2G) or less provided that the sweep frequency is 5 to 500Hz
and sweep rate, 1oct/min.
(5) Shock
(a) During operation (free from malfunction)
When installed horizontally: 68.6m/s
When installed vertically: 49m/s
excepting recording mode and CD-DA play mode.
(b) During operation (while the CD-DA is playing)
:19.6m/s
2
(2G) or less (half-sine shock pulse; 11msec., intervals; 10sec)
(c) During non-operation/transportation
: 588m/s
1,960m/s
2
(60G) or less (half-sine shock pulse; 11msec)
2
(200G) or less (half-sine shock pulse; 2msec)
However, tray ejection is allowed.
(6) Dust: office environment
(7) Cooling: natural air cooling
2
(0.3G) or less
2
(0.2G) or less
2
(7G) or less (half-sine shock
pulse; 11msec, intervals; 10sec)
2
(5G) or less (half-sine shock pulse;
11msec, intervals; 10sec)
– 8 –
7. RELIABILITY
(1) Mean time between failures (MTBF)
: 60,000POH or more (the frequency of use should be 10% at normal
temperature and humidity)
(2) Mean time to repair (MTTR) : 30minutes
(3) Loading/ejecting life: 10,000times or more
(4) Power ON/OFF life: 60,000 times or more
(5) Laser diode life: MTTF 9,000 hours (Duty 50% pulse 83mW, 60°C)
(6) Seeking life: 2 × 10
(7) Error rate
(a) Read error rate
DVD: Once per 10
CD: MODE 1 and MODE 2 (FORM 1): Once per 10
(b) Seek error rate: Once per 10
(c) Seek error rate: Once per 10
(8) Self-diagnosis
(a) When power is switched ON: Various controllers, ROM, RAM, buffer, ECC circuit, etc.
(b) When disc is inserted: Servo circuit, signal processors, etc.
6
times or more (random access, 25°C, duty; 20% or less)
12
bits or less
MODE 2 (FORM 2) and CDDA : Once per 10
6
seeks or less
6
seeks or less
12
bits or less
9
bits or less
8. SAFETY STANDARDS
The drive complies with the following safety standards:
(1) UL standard
(2) CSA standard
(3) TÜV standard
(4) CE standard
9. FRONT INDICATOR
(1) Location: Refer to Fig. 3.1-1.
(2) Color: Green
(3) Lighting conditions
(a) Continuous on
• During seek
• Transfer of the read data to the host is under way.
(b) Flashing with a period of 3 second (Duty 50%)
• During write
• While audio is being played
(c) Flashing with a period of 1 second (Duty 50%)
• From POR or tray loading to the end of TOC read (when the disc is present)
• From POR or tray loading to the end of detecting the disc (when the disc is not present). If an error
which is considered to arise from the disc occurs, flashing continues until the disc is ejected. If an error
which seems to rest with the drive’s hardware, flashing continues until the power is switched OFF.
10. DRIVE CONFIGURATION
The setting to master or slave is determined by the −CSEL signal (interface connector 47 pin).
If the −CSEL signal is at low level, the drive is set to the slave, and if it is open or at high level, it is set to the
master.
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