LG BP50NB40 Service Manual page 12

5. Quality and Reliability
5.1 MTBF .
Assumption :
-POH per year
-ON/OFF cycles per year
-Operating duty cycle
5.2 Tray Open/Close Cycle Test
5.3 Access Aging
5.4 MTTR (Mean Time To Repair)
5.5 Component life
Assumption :
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
Continuous Read
Continuous Write
Seek (Full)
Spin UP (Spindle motor start up) 1200 mA typ., 1800 mA max.
Maximum Current
-note- Inrush current within 1 ms is ignored.
7.3 Rush Current
Maximum .............................. 3.0 A / less than 1 ms
8. Acoustic noise
MICROPHONE
250mm
ODD
60 000 Power On hours (POH)
Used in a normal office environment at room temperature.
3,000
600
10% of Power on time (Seek: 10% of operating time)
10,000 times
250,000 times ( Full access )
0.5 h
5 years or 2,000 h of Laser radiating time
Used in a normal office environment.
110 mA typ.
850 mA typ.
900 mA typ.
900 mA typ.
1000 mA typ.
950 mA typ.
1100 mA typ., 1800 mA max.
1800 mA
Less than 50 dBA at 0.25 m away from Bezel and 0.45 m height away
(ISO7779 Seated Operator Position)
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Note: 1. Disc: Less than Unbalance 0.3 g·cm
2. Installation: Horizontal
450mm
3. Ambient Temperature: Normal Temperature
4. Except loading and unloading
(CD-ROM 24x max. CAV)
(DVD-ROM 8x max. CAV)
950 mA typ....(BD-ROM 6x max. CAV)
(CD-R 24x max. CAV)
900 mA typ. ...(DVD+R 8x max. CAV)
(DVD+/-R DL 6x max. CAV)
(BD-R 6x max. CAV)
(DVD-RAM 5x max. PCAV)
(DVD-RAM 5x max. PCAV)
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