SONY PCGGRT99S
Manual de Servicio

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.

1

2

1 CPU Lock position 2

2 CPU Lock release position Reference marks 1

Lock release position

CPU socket

Lock position

CPU socket

NOTE: Rotate a flat-blade screwdriver to the lock position securely. If not, the operation of the CPU may become unstable.

Confidential
5-2
PCG-GRT99S (J) PCG-GRT280ZG/GRT290ZP/GRT290Z (AM) PCG-GRT40ZP/GRT40ZLP/GRT40ZTP/GRT40ZCP (AO)