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Installation and Service Guide: Color Controller E-85A
Replacing parts
Motherboard CPUs
The CPUs are installed in Zero Insertion Force (ZIF) sockets on the motherboard. Before removing a CPU from its socket,
you must disconnect the CPU fan cable from the motherboard and remove the CPU cooling assembly from the
motherboard. The CPU cooling assembly consists of a fan and a heatsink.
Figure 36:
CPU, socket, and cooling assembly
An exception is allowed if you are removing the CPU cooling assemblies to service the motherboard. In this case, remove
1
CPU
4
Mounting screw (1 of 4)
2
CPU socket in motherboard
5
Heatsink
3
CPU fan
6
Mounting hole in motherboard (1 of 4)
Caution:
Follow standard ESD precautions when handling the motherboard and all components (see
Important:
To avoid flexing and possibly damaging the motherboard, always service the CPU cooling assemblies
one at a time. If you must service both CPU cooling assemblies, observe the following guidelines: remove, service,
and replace the first cooling assembly; then remove, service, and replace the second cooling assembly.
1
2
4
5
6
3
