Toshiba SR-C8002 规格指南

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SR-C8002 Rev.1.0

3.5. Reliabilites

3.5.1. Error Rate

(1) Hard Read Error Rate (Byte Error Rate) -----  Allowing 5 Retries(default)  -----

Mode 1:10

-15 

Max

Mode 2:10

-12 

Max

(2) Seek Error Rate --- Allowing 10 Retries

10

-6

Max

(default)

3.5.2. MTBF

60,000 h

Assumptions: Power On Hours

5,436 h/year

On/Off Cycles

313 cycles/year

Number of Access

600,000 accesses/year

Operating Duty Cycle (Read)

20 % of Power On Time (Reading/Seeking)

Operating Duty Cycle (Write)

2 % of Power On Time (Writing/Seeking)

3.5.3. MTTR

0.5 h

3.5.4. Drive Life

15,000 h or 5 years (earlier one)

(1) Drawer Load/Release

10,000 times or more

(2) Interface connector Attach/Detach

500 times or more

See Figure 4 for details of the configurations

4.1. Electrical Circuits

(1) Drawer Release Switch and Release Detection Switch
(2) Optical Pickup Servo Drive Circuit
(3) Feed Motor Drive Circuit
(4) Laser Diode Control Circuit
(5) EFM Demodulator, Error Correction Circuit and DA converter
(6) IDE/ATAPI Control and CD-ROM Error Correction Circuit 
(7) CIRC Encoder
(8) EFM Encoder
(9) ATIP Demodulator
(10) Disc Moter Control Circuit

4.2. Optical Pickup

Semiconductor Laser 

4.3. Spindle Motor

Brushless DC Motor

4.4. Feed Motor

DC Motor