Excellent manual, detailed, very useful! Exactly what I needed, I'd recommend it to all who need it. Although images are scanned easily readable and explicit. A valuable tool product at a price more than modest, take it with confidence and you will not regret it!
Thanks for this "hard to find" service manual. This Sony PS212A is a very good turntable that needed to be restored !
Text excerpt from page 24 (click to view)
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.