Canon ColorPASS-GX400 Installation And Service Manual page 79

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S
P
ERVICE
ROCEDURES
If you remove the CPU from the motherboard in order to install it on a new motherboard,
unpack the new motherboard and remove the protective plastic cover on the CPU socket.
Transfer the protective cover to the CPU socket of the old motherboard to protect the
circuitry. Follow standard ESD precautions while handling the motherboard and all
components.
T
O REMOVE THE COOLING ASSEMBLY
1 Shut down, and then open the ColorPASS (see
2 Remove the motherboard components.
3 Remove the power supply (see
4 Remove the motherboard from the chassis (see
Place the motherboard on a flat, anti-static surface.
5 Remove the CPU fan cable from motherboard.
6 Remove the CPU cooling assembly:
Be aware that both the cooling assembly and the CPU may be very hot. You may need to
allow the components to cool before you attempt to remove them.
• Loosen the four screws that secure the cooling assembly to the motherboard. Partially
loosen all the screws before loosening any one screw all the way.
• Lift the cooling assembly off the CPU socket and set it aside.
Screw (1 of 4)
7 Lift the cooling assembly off the CPU socket and set it aside.
Be aware that the cooling assembly and the CPU may be very hot. You may need to let the
components cool before attempting to remove them.
page
51).
page
87).
page
60).
79
Loosen each
screw to this
position.

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