
B–62835EN/01
2. HARDWARE
123
(Left side view)
(Left side view)
Fig. 2.8.1 (a)
Base printed circuit
board
Fig. 2.8.1 (b)
How to remove the plastic cover at the left side of the case
D Pull the cover in the direction of arrows as shown
below while holding down two portions marked with
PUSH.
D When mounting the cover, insert the cover in the
direction opposite to that of the arrows while holding
down the two portions marked with PUSH.
How to remove the base printed circuit board
D Remove the 3 V dry cell for backing up the RAM
battery.
D There are three claws which hold the base printed
circuit board. While moving one at a time to the left (in
the direction of arrows shown below) in the order of
(1), (2), and (3), pull the left side of the board to release
the hold. When releasing the claws, be careful not to
bend the pins of components on modules adjacent to
the base printed–circuit board.
D Move the board to the left to remove it from the case.
Power supply printed
circuit board
F1
CP1
(1)
(2)
(3)
1 Make sure that the power supply unit is turned off.
2 As in 2.8.1 above, remove the base PC board.
3 Remove the screws from the base PC board or sub printed board that
are securing the power PC board, and replace the power PC board.
4 Put the base PC board in the case, and return it to the original position.
5 Reconnect the cables to their original positions.
2.8.2
The Power Supply
Printed Circuit Boards
and Sub Printed Board