Mitsubishi Electric apricot ls/vs550 Owner's Handbook Manual page 44

S y s t e m m o t h e r b o a r d
Changing the processor
5/10 LS/VS550 OWNER'S HANDBOOK
To remove the existing processor:
1. Turn off the computer and unplug all power cords.
◊ If the system was in use just before starting this procedure,
the processor will be hot, wait at least 15 minutes for it to
cool down.
2. Take suitable anti-static precautions and remove the system
unit cover. Information on antistatic precautions can be found
at the rear of this handbook.
3. If there are any expansion cards in the way, you may have to
remove them. Disconnect any cables connected to the cards,
remove the securing screws at the rear of the system unit, then
remove the cards.
4. If there is no processor fan, a strong spring clip secures the
large heatsink to the processor. Release the end of the spring
from the hook on the front of the ZIF socket with care and
slide the heatsink clear.
◊ Handle carefully as there may be heat transfer compound
on the heatsink face.
◊ There may be a power lead for the fan if the processor has
one fitted. Take note of the fan power lead polarity before
releasing it from its board connection.
5. A lever attached to the ZIF socket secures the processor in the
socket. Unhook the lever from under the clip in the locked
position. Lift it upright (at right-angles to the motherboard).
There may be a little stiffness at the beginning and end of the
lever's movement.
◊ The illustrations opposite show the clip, lever locking
mechanism and the processor socket along with the
organisation of the whole assembly.