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PCG-FR55G/FR55R/FR77G (J)
PCG-FRV31/FRV33/FRV34/FRV35/FRV35Q/FRV37/FR870/FR872 (AM)
PCG-FR315B/FR315M/FR315S/FR395EP (EU)
PCG-FR820/FR820C/FR820L/FR820S/FR825CP/FR825L/FR825P/FR825SP (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 While pressing the two positions marked by a, insert the flat head (-) screwdriver
into the specified position and rotate the screwdriver 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
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