LG GCC-4241N Service Manual page 6

5. Quality and Reliability
1) MTBF.............................................................. 80,000 Power On Hours (POH)
Assumption :
-POH per year
- ON/OFF cycles per year
-Operating duty cycle
2) Tray Cycle Test ............................................. 10,000 times tray open/close cycle test
3) Actuator Mechanism .................................... 1,000,000 full stroke seek
4) MTTR (Mean Time to Repair)......................... 0.5 h
5) Component Life ............................................ 5 years or 2,000h of Laser radiating time
Assumption:
6. Power Requirements
1) Source Voltage ............................................. +5V +/-5% Ripple Less than 100mVp-p
2) Current
Stand-By (Sleep) :
Continuous Read
Continuous Write
Seek
Spin UP(Spindle motor start up)
Maximum Current
7. CD-DA Audio Performance
Number of Channels
Frequency Response
Distortion
Output Levels (Line Out only)
6
Use in a normal office environment
3,000
12000
10% of Power on time (Seek : 10% of operating time)
Used in a normal office environment
22 mA typical (OS : Windows XP)
660 mA typical (CD 24x Max. CAV)
540 mA typical (DVD 8x Max. CAV)
800 mA typical (CD-R 24x Write)
1.0A typical, 1.5A Max. (24x Max. CAV)
1.0A typical, 1.8A Max. (24x Max. CAV)
1.8A
2
20 to 20,000Hz +/- 3dB
Less than 0.1% (1kHz)
0.70 Vrms (typical, at 47kohms resistive Load)