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5-3
Confidential
PCG-GRT99/GRT77/GRT55 (J)
PCG-GRT170/GRT150/GRT25F/GRT160 (AM)
PCG-GRT716S/GRT796HP/GRT715E/GRT795MP/GRT715M/
PCG-GRT796SP/GRT786M/GRT785B/GRT785E (EU)
PCG-GRT30P/GRT25/GRT30LP/GRT30CP/GRT25CP/GRT25L (AO)
5-2. Replacing the CPU
1. Removing the CPU
1 Insert a flat-blade screwdriver into the notch as shown in the illustration
and rotate it so that the protrusion comes to the lock release position.
2 Pull the CPU gently upward to lift it out of the CPU socket.
2. Installing the CPU
1 Align the triangle reference mark of the CPU with that of the CPU socket and
insert all the pins of the CPU to the corresponding holes of the CPU socket.
2 Insert a flat-blade screwdriver into the notch as shown in the illustration and rotate
it so that the protrusion comes to the lock position.
NOTE:
Rotate a flat-blade screwdriver to the lock position securely. If not, the operation of the
CPU may become unstable.
1
1
2
CPU
Lock release position
Lock position
CPU socket
2
2
Lock release position
Lock position
1
CPU
Reference
marks
CPU socket