1-4.Replacing the CPU

NOTE:

This computer uses either one of the two types of CPU socket.

The CPU locking position and the lock-release position are different depending on the types of the CPU socket.

1. Socket type 1, 2

1. Removing the CPU

1

1 Insert a flat-blade screwdriver into the

notch as shown in the illustration and

rotate it so that the protrusion comes

CPU

2

 

to the lock release position.

2 Pull the CPU gently upward to lift it out of the CPU socket.

CPU socket

Lock release position

Lock release position

(made by HIROSE)

 

2. Installing the CPU

 

 

2

 

1 Align the triangle reference mark of

 

 

 

the CPU with that of the CPU socket

CPU

1

 

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

 

CPU socket

 

to the lock position.

 

 

 

Reference

 

 

marks

 

 

 

 

Lock position

Lock position

 

 

(made by HIROSE)

 

NOTE:

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

Confidential

1-13

PCG-FX777/FX877 (AM)

Page 17
Image 17
Sony PCG-FX877 service manual Replacing the CPU, Socket type 1