NEC Versa AX Installation instructions

Versa AX Disassembly
nRequired Tools
nDisassembly Instructions
nReassembly Instructions

Disassembly and Reassembly - 2
Required Tools
All Versa AX maintenance procedures can be performed using the following tools:
nTweezers
nSmall flat-head screwdriver
nSmall Philips screwdriver
nRight-angled dentist style probe
Disassembly Instructions
This document contains step-by-step disassembly instructions for the Versa AX. The instructions are
clarified by images of the part that is being removed or disassembled. Furthermore, the screws that are
removed are shown next to the image of the parts themselves.
When disassembling the system unit, follow these general rules.
nDo not disassemble the system into parts that are smaller than those specified in
the instructions.
nLabel all removed connectors. Note where the connector goes and in what
position it was installed.
nTurn off the power and disconnect all power and all options. Also remove any
PC-Cards that are in the PCMCIA slot.

Disassembly and Reassembly - 3
1. Battery
Remove the battery pack of the notebook as follows:
a. Slide the latch into the unlock position as shown below and hold
it.
b. Slide the battery out of the bottom base.
Fig. 1: Battery and modem cap removal.
2. Modem
The following steps describe how to remove the modem:
a. Remove the screw of the modem cap (1x A1).
b. Slide open the modem cap and remove it.
Fig. 2: How to take out the modem.
c. Disconnect the modem connector cable.
d. Release the modem board like an SO-DIMM module.
e. Finally, take out the modem board.
A

Disassembly and Reassembly - 4
3. Memory
Next is described how to take out the memory module(s):
a. Remove the memory cap screw (A2) (see Fig. 1: ).
b. Slide the memory cap open.
c. Release the SO-DIMM memory module.
d. Remove the module.
Fig. 3: Removing the SO-DIMM module.
4. Front Cover
The front cover holding the touchpad should be removed according
to the next steps (also see Fig. 1: ):
a. Remove the three screws (2x B, 1xA3), which can be found on
the underside.
b. Lift up the front cover.
c. Disconnect the touchpad connector.
d. The front cover is now free from the notebook.
5. VersaGlide Touchpad
Disassemble the VersaGlide touchpad as follows:
a. Remove the flat cable of the touchpad buttons.
b. Disconnect the touchpad connector cable.
c. Remove the three button-board screws (3xC).
d. Remove the button board.
e. Carefully slide the touchpad frame down a little.
f. Push it upwards and take away the frame.
g. Lift up and take away the VersaGlide touchpad board
Note Take care that when placing the touchpad, the connector
on the touchpad board must face down, towards the buttons.
A
B
A

Disassembly and Reassembly - 5
Fig. 4: Underside of the Touchpad.
6. Hard Disk Drive
Here you can find the instructions for removing the hard disk drive:
a. Remove the two screws that hold the hard disk drive and it's
connector.
Note
During assembly the 3rd screw for fixing the HDD is inserted
during the assembly of the Front Cover.
b. Lift up the hard disk drive and remove it.
Fig. 5: Hard disk drive.
C
D

Disassembly and Reassembly - 6
7. HDD Bracket and Connector
These instructions explain how to remove the HDD bracket and the
HDD connector.
a. Remove the connector from the hard disk drive.
b. Remove the four screws (4xE) from the HDD bracket.
Fig. 6: Hard disk drive bracket.
8. Keyboard
Remove the keyboard as follows:
a. Slide the power-button cover (above the keyboard) slightly to
the right to unlock it.
b. Take away the power-button cover.
Fig. 7: Sliding off the power button cover.
E

Disassembly and Reassembly - 7
c. Lift the keyboard and disconnect the keyboard flat cable.
d. The keyboard is now free.
Fig. 8: Disconnecting the keyboard cable.
9. LCD Screen
Remove the LCD screen according to the following procedure:
a. Remove the two screws (2xA) on the back of the system.
Fig. 9: Removing the LCD screen (back)
b. Slide the LCD hinge covers outwards.
c. Remove the two screws (2xA) from the LCD cable box.
d. Remove the four screws on the LCD hinges (4xF).
Fig. 10: Removing the LCD screen (front).
A
A
F

Disassembly and Reassembly - 8
e. Take away the LCD screen.
10. LCD Panel Disassembly
Below you can find the complete set of steps required for
disassembling the LCD panel and all of its subcomponents:
a. Remove the small square stickers (2xH) to clear two screws
underneath.
b. Remove the two screws (2x J).
c. Remove the small rubber bumpers (2xG) at the top to clear two
screws underneath.
d. Remove the two screws (2x I).
e. Take off the LCD front bezel.
Fig. 11: Taking off the front bezel.
f. Remove the LCD lock and its spring.
g. Remove the single screw that holds the inverter-board (1xD).
h. Lift up the inverterboard and disconnect the two cables attached
to it.
i. Remove the screw (1xD) and the placeholder (1xK) for the cable
that runs to the inverterboard.
j. Remove the screw for the ground cable (1xI).
k. Remove the four screws from the LCD panel (4xL).
G
I
H
J

Disassembly and Reassembly - 9
Fig. 12: LCD screen disassembly.
l. Lift up the LCD panel from the back cover.
m. Remove the LCD cable connector from the back of the panel.
Fig. 13: Removing the LCD cable connector.
n. Remove the six screws holding the LCD hinges in place (6x J).
o. Take away the hinges.
Fig. 14: The hinges on the LCD back panel.
L
D
K
J

Disassembly and Reassembly - 10
11. Heatplate and CPU-Fan
Below you can find how to remove the heatplate:
a. Loosen the four screws of the heatplate.
Note The screws of the heatplate cannot be removed, as they
are locked in their position. They can only be loosened.
b. Take away the heatplate.
Fig. 15: Taking away the heatplate.
Note To securely re-seat the heatplate during (re-)assembly you
should first start with screw #1 then #2 etc…
c. Disconnect the fan power cable.
Fig. 16: The power fan cable and the DC/DC board screw.
D

Disassembly and Reassembly - 11
12. CD-ROM Drive
Remove the CD-ROM drive as follows:
a. Remove the two CD-ROM drive screws (1xD, 1xB).
b. Slide out the CD-ROM drive.
Fig. 17: Removing the CD-ROM drive.
c. Remove the four screws (4xQ) that hold the bracket.
d. The brackets are now free.
Fig. 18: The CD-ROM bracket.
13. Top Cover
The procedure below describes how to remove the top cover:
a. Remove the eight screws of the top cover (4xA, 4 at top) (1xM
below right) (2xB, centre right, near power switch) (1xR, at
bottom left).
b. Take away the top cover
D
B
Q

Disassembly and Reassembly - 12
Fig. 19: Removing the top cover.
14. Sound board
Below you can find the procedure for removing the sound board:
a. Remove the single screw of the soundboard (1xM)
b. Lift the board and disconnect the speaker cable, the bridge
battery cable and the microphone cable
c. Disconnect the soundboard from the mainboard.
Note During (re-)assembly the cables should first be connected
before placing the board.
Fig. 20: Sound board removal.
A
B
M
S
M

Disassembly and Reassembly - 13
15. I/O board
Follow the steps below to remove and disassemble the I/O board:
a. Remove the four I/O board screws (3xM, 1xN).
Fig. 21: Removing the I/O board.
b. Disconnect the floppy disk drive flat cable from the I/O board.
c. Lift and take away the I/O board.
d. Disconnect the charger board from the I/O board.
16. Floppy Disk Drive
Follow the steps below to in order to remove the floppy disk drive:
a. Remove the floppy disk drive screw (1xS).
Fig. 22: Removing the floppy disk drive.
b. Remove the floppy disk drive, including the bracket.
c. Remove the four screws (4xM) that hold the FDD bracket.
d. Remove the FDD bracket from the floppy disk drive.
e. Disconnect the flat cable from floppy disk drive.
N
M
S

Disassembly and Reassembly - 14
Fig. 23: Floppy disk drive assembly.
17. Microphone, Speakers and Bridge
Battery
Here you find the order in which to take out the microphone,
speakers and bridge battery:
a. Remove the microphone.
b. Remove the bridge battery.
c. Remove both speakers.
Note Take care to properly work away the cables during
assembly.
Fig. 24: Removing the microphone, speakers and bridge
battery.
M

Disassembly and Reassembly - 15
18. CPU
Below is explained how you should remove the CPU:
a. Unlock the CPU with a flatbed screwdriver.
Fig. 25: Unlocking the CPU.
Note To lock the CPU, the screwdriver needs to be inserted in
the other hole than the one used for unlocking the CPU.
b. Remove the CPU from the socket
19. RJ-11 Connector
Next is described how to remove the RJ-11 connector:
a. Turn the unit upside down.
b. Remove the modem connector cable from the RJ-11 connector.
c. Turn the base unit right side up.
d. Slide out the modem cable cover.
e. Disconnect the modem connector cable.
f. Remove the screw (1xS) from the RJ-11 connector.
g. Remove the connector and the modem jack board cover.

Disassembly and Reassembly - 16
Fig. 26: The RJ-11 connector and modem jack board cover.
20. Remove DC/DC Board
Below is explained how to remove the DC/DC board:
a. Remove the screw (1xD) of the DC/DC board (see Fig. 16: ).
b. Lift the DC/DC board from the mainboard.
21. Remove Mainboard from Base
Assembly
The procedure below explains how to remove the mainboard from
the bottom base assembly:
a. Remove the two screws (1xS, 1xP) that hold the CD-ROM rail.
b. Remove the single normal screw (1xT).
c. Remove the two bus screws next to LCD connector (2xU).
d. Remove the three bus screws from the mainboard (3xP).
e. Remove the five screws from the mainboard (4xS).
f. Remove one screw (1xO).
Note Beware that slide-rails for the CD-ROM drive bay will come
loose as soon as the screws holding it (1xS, 1xP) are removed.
g. Take away the rails
S
D

Disassembly and Reassembly - 17
Fig. 27: Removing the screws holding the mainboard
from above.
h. Remove the six bus screws from the rear of the unit. They are
located next to the I/O-ports (6xV).
Fig. 28: Removing the screws holding the mainboard
from the rear.
i. Remove the mainboard.
22. I/O Bracket
Remove the I/O bracket from the bottom base as follows:
a. Remove two screws (2xI).
Fig. 29: Bottom of the I/O bracket.
b. Remove the four stickers that hide the screws.
c. Remove the for screws (4xI).
S
U
P
O
T
V
I

Disassembly and Reassembly - 18
Fig. 30: Rear of the I/O bracket.
d. Take away the I/O board.
I
Reassembly Instructions
Reassembly is the reverse of the disassembly process. Use care to ensure that all cables and screws are
returned to their proper positions.
Small Parts Overview
Below you will find the overview of the small parts (screws, bumpers, stickers and small brackets) used
during the disassembly and reassembly of the notebook.
ABCDE
G H IJK
LMNOP
QSTU V