Internal Layout; Servicing Level; Dismantling And Re-Assembly; Warnings And Cautions - Mitsubishi Electric LS Pro Hardware Technical Reference

Internal layout

The layout of the inside of the system unit is shown in the illustration below. At the front
left of the system unit is the hard disk drive. Behind the hard disk drive is the power
supply unit. Both the power supply and the hard disk drive are beneath a metal cover.
The floppy drive is at the front right of the system unit attached to a metal plate which
extends the full length of the system board.

Servicing level

The level of information in this section is intended to enable suitably qualified personnel
to remove and replace major components of the system unit and to access components
to install add-ons.

Dismantling and re-assembly

The LS Pro range has been designed to meet international EMI and safety standards.
Warnings and To ensure safety and continued compliance with these standards, observe the
cautions following precautions.
• It is recommended that modifications are carried out by an authorized dealer.
Unqualified users should not normally dismantle the equipment.
• Replacement parts should be of the type and rating specified by the manufacturer.
• All earth connections must be maintained to the original specification.
• Ensure that all personnel concerned are familiar with the action to be taken in
the event of electric shock.
Warning
Never carry out any work on the equipment with power applied. Always switch off at the mains
and remove the power lead from the equipment before starting work.
Note
Any reference to left or right during dismantling and re-assembly assumes that the reader is
viewing the unit from the front, unless otherwise stated.
SYSTEM BOARD
METALWORK
FLOPPY
DRIVE
LS PRO HARDWARE TECHNICAL REFERENCE 2/3
System unit
HARD DISK
DRIVE
POWER
SUPPLY