PALO
18
SAMSUNG HARD DISK DRIVE
※
Explanation of terms for HDD repairing
CONTENTS
SYMPTOMS
NOT READY
(NR)
When HDD power on, LED is in on and motor
start to drive. At this time
head make vibration
and start to drive then
stop the vibration and
led is off at the same time.
Motor doesn't drive.
Led is still on/off mode when power on
: PCB failure
Led is still in on mode and doesn't
make any vibration.
DISK DEFECT
Symptoms for damage at disk side
ID,MD,OD failure is occurred in
leo test process rate 0 ~ 33% OD
34~ 66% MD
67~100% ID
ID
Defect is occurred at the inner part of disk
MD
Defect is occurred at the middle part of disk
OD
Defect is occurred at the out part of disk
MAINTENANCE
CYLINDER
DEFECT(MC)
Part of basic information like defect etc. in
HDD
Maintenance cylinder defect
SPIN MOTOR
NOISE(SM)
Motor rotate disk and if it is impacted ,make a
big noise due to damage.
When power on, some irregular noise is
occurred at general motor.
ERASED TIME
how many times does it cost to progress read
test in leo actually
This is SUFFECTED in drive
NORMAL TIME Prescribed read test time by product company.
AUTO TEST
Read and defect free are progressed
automatically.
ALT+A Key
DEFECT FREE
Transfer defect on disk into buffer cylinder on
disk. Defect isn't
available for read/
write
OD,MD,ID is occurred when defect free error
and exceed the capacity to progress defect
free.
F6 Key
READ TEST
Read wether damage on the disk side or not
F2 Key
WRITE TEST
Write the regular data on disk side.
F4 Key
DELETE
SYSTEM
Erase all the previous Data entirely at leo test
pass product.
F7 Key
PES
HEAD is located at cylinder of disk correctly
and is tested write ,read is available.
HUTIL test PES fail
BURN IN
TEST
Repeat read,write for with many hours and
progress defect free finally for the product
confidence.
Product which CD,MD,ID defect is occurred in
HUTIL test is downloaded(head test)by ALT-I
and if it is passed ,only power on
needed.Repeat led once is pass, fail when fail
happen once more.
HUTIL TEST
To check defect of HDD, svc tool,
read,write,head,pes are manufactured
to test
defect and this is available for defect free and
other variable test.
Check menu with F10 Key.
Refer to HUTIL manual for usage
