Maintenance Manual
Page 27
...The value of the disk drives. Refer to 1,048,576 bytes; C141-E293 1-5 Table 1.1 Specifications (1/2) MJA2500BH MJA2400BH MJA2320BH MJA2250BH MJA2160BH MJA2120BH MJA2080BH Format Capacity (*1, *2) 500 GB 400 GB 320 GB 250 GB 160 GB 120 GB 80 GB Number of Sectors (User...) 976,773,168 781,422,768 625,142,448 488,397,168 312,581,808 234,441,648 156,301,488 Bytes per Sector Rotational Speed 512 bytes 5,400 rpm...
...The value of the disk drives. Refer to 1,048,576 bytes; C141-E293 1-5 Table 1.1 Specifications (1/2) MJA2500BH MJA2400BH MJA2320BH MJA2250BH MJA2160BH MJA2120BH MJA2080BH Format Capacity (*1, *2) 500 GB 400 GB 320 GB 250 GB 160 GB 120 GB 80 GB Number of Sectors (User...) 976,773,168 781,422,768 625,142,448 488,397,168 312,581,808 234,441,648 156,301,488 Bytes per Sector Rotational Speed 512 bytes 5,400 rpm...
Maintenance Manual
Page 58
... with detecting a PHASE signal generated by feeding back the difference of 5,400 rpm ±1%. The VCM moves the head carriage along the inner or outer edge of the disk drive. The PCA contains the control circuits for the disk drive. The spindle is controlled with an outer diameter of 65 mm and an...
... with detecting a PHASE signal generated by feeding back the difference of 5,400 rpm ±1%. The VCM moves the head carriage along the inner or outer edge of the disk drive. The PCA contains the control circuits for the disk drive. The spindle is controlled with an outer diameter of 65 mm and an...
Maintenance Manual
Page 74
...to the SVC. Then, rotation of the spindle motor based on the PHASE signal from the SVC, and waits till the rotational speed reaches 5,400 rpm. And the firmware observes an abnormal rotation. 4-18 C141-E293 c) The phase of the current flowed in the order of (Vphase to U-phase),... motor, and the PWM type current control circuit is outputted from the MPU to 3) or 5) step depending on the MPU manufactured by Fujitsu. The MPU calculates a rotational speed of the spindle motor accelerates. There are three modes for speed detection. When the rotational speed reaches 5,400...
...to the SVC. Then, rotation of the spindle motor based on the PHASE signal from the SVC, and waits till the rotational speed reaches 5,400 rpm. And the firmware observes an abnormal rotation. 4-18 C141-E293 c) The phase of the current flowed in the order of (Vphase to U-phase),... motor, and the PWM type current control circuit is outputted from the MPU to 3) or 5) step depending on the MPU manufactured by Fujitsu. The MPU calculates a rotational speed of the spindle motor accelerates. There are three modes for speed detection. When the rotational speed reaches 5,400...