Samsung HARD DISK DRIVE Service Manual page 32

SAMSUNG HARD DISK DRIVE
Transfer rate Data transferring speed among PC and other devices of HDD.
The existing thin film head have 2 ABS and adding one more ABS, head is designed to be
Tri-pad head
profitable to low flying height. Produced by SAE, ReadRite company.
Ultra
ATA/Fast
ATA
Unformatted
HDD capacity before formatting.
capacity
Universal Serial Bus. Particular chip was connected in period plate and manage keyboard,
USB mouse, printer,modem, this chip unify the connecting pot shape of other device period plate,
then make easy to connect and speed is 10 times higher than the current vertical connection.
VAR Value Added Re-seller. Vendor sell the existing product after making higher value added.
Voice Coil Motor: Stable and high speed motor applying speaker system, make move head in
proportion to magnetic strength. Motor used voice coil has fewer components than step motor so
VCM it is strong for stress and abrasion and move head in high speed. They divided Rectangular and
Flat coil type of VCM according to shape and Linear and Rotary type according to rotation
method. Recently flat coil type and rotation type is general.
VCM COIL Trapezoid shaping parts connected to ARM with winding coated write in 250 times.
Disk drive same as fixed Disk and hard Disk. Winchester was the of developing model at that
Winchester
time by IBM, establish fixed magnetic disk within airtight space then head rise on connecting
Disk
disk, we apply to all kind of hard disk drive now days.
Window
Make hole so head for servo write to write locational information could enter inside of HDD.
Clock
Window
Pin hole to enter HDA.
Pusk Pin
Write cache improve system capacity, i.e. make possible to work while recording information on
Write cache disk and this is risk to loose data when off but PC use write cache within operating system like
smart drive to prevent that risk.
VANGO(VL40)
DD