Troubleshooting Hdd - Hitachi DV-DS163E Service Manual

Details of Servicing and Troubleshooting > Troubleshooting HDD

3-3 Troubleshooting HDD

This section shows how to determine a fault in HDD and how to format a new HDD to replace the
faulty HDD.
(1) HDD troubleshooting method
If the playback picture temporarily stops or distortion occurs frequently, the HDD may be faulty. If
this happens, observe the defective phenomenon, decide whether the HDD is faulty, and then repair
or replace the HDD.
When replacing the HDD, note that the data on the old HDD cannot be transferred to a new HDD.
Information:
When discarding a faulty HDD, physically destroy it or perform procedure as required, according to
the regulations in each country, in order to protect any personal information.
Diagnosis using HDD operation sound
Remove the top cover, and check the
operation sound of HDD unit.
Is one click heard
from HDD when power
is turned on?
Yes
Is one click heard
from HDD when power
is turned off?
Yes
Is any operation
sound heard in cases other
than above?
Yes
HDD is faulty.
Replace it and recheck.
Recorder stops at the same
point during HDD playback.
Ask customer whether the recorded contents
can be erased, and acquire approval.
Initialize the HDD,
and perform recording and playback.
Does playback stop at the
same recorded point?
Yes
HDD is probably faulty.
Replace the HDD and recheck.
No HDD is faulty.
Replace it and recheck.
HDD is faulty.
No
Replace it and recheck.
No
HDD is normal.
HDD is normal.
No
(The PCB may be faulty.)
3 - 3
"PLEASE WAIT"
does not disappear from front display.
Does the phenomenon
disappear when the
HDD is replaced?
No
Re-place the original HDD.
Does the phenomenon
disappear when the
HDD drive is replaced?
No
Re-place the original HDD drive.
Does the phenomenon
disappear when the
Main PCB is replaced?
No
Check the power system.
Recorder stops at the same
point during HDD recording.
Ask customer whether the recorded contents
can be erased, and acquire approval.
Initialize the HDD, and perform recording.
Does recording stop
at the same point?
Yes
HDD is probably faulty.
Replace the HDD and recheck.
Yes
HDD is faulty.
Yes
HDD drive is faulty.
Yes
Main PCB is faulty.
No
HDD is normal.
(The PCB may be faulty.)