Removing The Mainboard - Hitachi M300N Service Manual

Disassembly

Removing the Mainboard

1. Turn off the computer, remove the battery
Figure 14
(page 2 -
Mainboard Removal
audioboard
2. Remove screws
a. Remove screws.
3. Disconnect cables
b. Lift the DC/DC board off
4. Separate the mainboard
the mainboard.
c. Disconnect the cables
a.
and remove the screws.
d. Separate the mainboard,
and top case. Discon-
nect the TouchPad ca-
ble.
c.
4. DC/DC board
5. Mainboard
16. Bottom case
• 5 Screws
2 - 20 Removing the Mainboard
12), modem (page 2 - 13), CPU
(page 2 - 18).
-
and lift the DC/DC board
1 3
- and remove screws
6
9
, and top case
5
1
2 3
11
6
7
10
8
9
(page 2 - 7), hard disk (page 2 -
(page 2 - 14), keyboard (page 2 -
from the mainboard
4
- (Figure 14c).
10 11
. Disconnect the TouchPad cable
12
b.
4
d.
12
8), RAM (page 2 - 10), CD Device
16), bottom case (page 2 - 17), and
.
5
(Figure 14d).
13
5
5
13