Samsung SP0211N Service Manual page 18

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