SONY VGNB55G
Manual de Servicio

5-2. Replacing the CPU
1. How to remove the CPU 1 Rotate the lock with a flat-blade screwdriver toward the unlock position shown in the figure. 2 Remove up the CPU. 1

CPU lock position 2

unlock position

CPU socket

2. How to install the CPU 1 Position the mark on the CPU to the mark on the CPU socket and put in all pins to the holes on the CPU socket. 2 Pressing two corners marked with in the figure, rotate the lock with a flat-blade screwdriver toward the lock position. 2

mark CPU unlock position mark 1

lock position

CPU socket

Note: Lock the CPU properly, or operation becomes unstable.

Confidential
VGN-B90PS (J) VGN-B100/B100B/B150FP (AM) VGN-B1VP/B1XP/B3VP/B3XP (EU) VGN-B55C/B55G/B55L/B55S/B55T/B88C/B88GP/B88L (AO)

5-2 (END)