Sony PCG-FX390K Primary, Service Manual

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Confidential
PCG- FX310/FX310K/FX310P /FX340/ FX340K/
PCG- FX340P /FX370/ FX370K/FX370P /FX390/
PCG- FX390K/FX390P (AM)
2. Socket type 3
1. Removing the CPU
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 “L” (lock) position.
1
Insert a flat-blade screwdriver into the notch as shown in the illustration and rotate it so that the
protrusion comes to the “O” (lock release) position.
2
Pull the CPU gently upward to lift it out of the CPU socket.
NOTE:
• Considerable force is required to rotate a flat-blade screwdriver.
• Rotate a flat-blade screwdriver to the “L” (lock) position securely. If not, the operation of the CPU may
become unstable.
Lock release position [O]
2
1
CPU socket
CPU
1
2
Lock position [L]
CPU
CPU socket
Reference
marks
O
L
O
L
Protrusion
Protrusion