12
5. Quality and Reliability
5.1 MTBF
.
60 000 Power On hours (POH)
Assumption :
Used in a normal office environment at room temperature.
-POH per year
3,000
-ON/OFF cycles per year
600
-Operating duty cycle
10% of Power on time (Seek: 10% of operating time)
5.2 Tray Open/Close Cycle Test
10,000 times
5.3 Access Aging
250,000 times ( Full access )
5.4 MTTR
(Mean Time To Repair)
0.5 h
5.5 Component life
5 years or 2,000 h of Laser radiating time
Assumption :
Used in a normal office environment.
6. Electro Static Discharge susceptibility (ESD)
Up to 4 kV(contact) ................No user detectable data error
Up to 6 kV(contact) ................No catastrophic failure or damage
Up to 10kV (Air) .....................No user detectable data error
Up to 12kV (Air) .....................No catastrophic failure or damage
* Test Conditions : C = 150pF, R = 330 ohms, 20 times discharge
7. POWER REQUIREMENTS
7.1 Source voltage
+5V±5% Ripple Less than 100 mVp-p
7.2 Current
Stand-By *1
110 mA typ.
Continuous Read
850 mA typ.
(CD-ROM 24x max. CAV)
900 mA typ.
(DVD-ROM 8x max. CAV)
950 mA typ....(BD-ROM 6x max. CAV)
Continuous Write
900 mA typ.
(CD-R 24x max. CAV)
900 mA typ. ...(DVD+R 8x max. CAV)
1000 mA typ.
(DVD+/-R DL 6x max. CAV)
950 mA typ.
(BD-R 6x max. CAV)
Seek (Full)
1100 mA typ., 1800 mA max. (DVD-RAM 5x max. PCAV)
Spin UP (Spindle motor start up) 1200 mA typ., 1800 mA max. (DVD-RAM 5x max. PCAV)
Maximum Current
1800 mA
-note- Inrush current within 1 ms is ignored.
7.3 Rush Current
Maximum .............................. 3.0 A / less than 1 ms
8. Acoustic noise
Less than 50 dBA at 0.25 m away from Bezel and 0.45 m height away
(ISO7779 Seated Operator Position)
Note: 1. Disc: Less than Unbalance 0.3 g·cm
2. Installation: Horizontal
3. Ambient Temperature: Normal Temperature
4. Except loading and unloading
MICROPHONE
30
250mm
ODD
450mm
Summary of Contents for BP50NB40
Page 17: ...17 A B C 1 2 3 4 5 A00 A01 002 003 461 005 001 463 006 462 004 PBM01 B B EXPLODED VIEW ...
Page 23: ...23 2 CONNECTOR 66 PIN ASSIGNMENT ...
Page 24: ...24 ...
Page 29: ...29 3 1 2 Block Diagram Seek IC101 MT1959H ...
Page 34: ...1 2 Pin Layout RF Part 34 ...
Page 35: ...35 ...
Page 36: ...36 ...
Page 37: ...37 ENDEC Part ...
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Page 45: ...45 IC601 TPIC2016G SPINDLE MOTOR AND 10CH ACTUATOR DRIVER Terminal Assignments ...