Maintenance and Diagnosis
1.1Maintenance
1.1.1 Rules for maintenance
The following cautions must be observed to prevent injury during troubleshooting or maintenance.
Static, Damage
1.Don’t install or remove a PCA or connect or disconnect a cable or connector plug when the drive is powered. This may give you an electric shock.
2.Keep away from mechanical assemblies in the unit during operation. This may cause injuries.
3.Avoid dangerous detergent when the disk drive is cleaned.
The following cautions must be observed to avoid damaging the disk drive during troubleshooting and maintenance.
Device damage
1.Before touching a PCA or the drive, wear a wrist strap and perform the human body grounding to discharge static electricity from your body. This will prevent irreparable damage to the PCA and the head of the drive.
2.Don’t install or remove a PCA or connect or disconnect a cable or connector plug when the drive is powered. This will prevent electrical damage to the disk drive.
3.Operating the disk drive with one or more PCA missing will be unpredictable. Only power the drive with all boards installed.
4.Avoid any detergent which may cause short circuits when cleaning assemblies.
5.Keep all vents open opened and unblocked. Avoid other conditions which may cause circuits to overheat.
6.A ribbon type cable has one line marked. Ensure that this line is always connected to pin 1 of the cable connector.
7.Do not apply excessive force to the cover under any circumstances. Doing so may cause irreparable damage to the cover.
