Good scan of the original service manual. All schematics and adjustment procedures are there. It helped me to fix a long lasting problem with the tracking circuitry. The manual also includes the supplementals 1,2 and 3. Included are; electrical schematic's , pcb layout's, mechanical drawing's and exploded views, disassembly manual and maintenance procedures. 236 pages.
Excellent copies.
I will use "Owner Manual" again a second time.
Text excerpt from page 32 (click to view)
CHAPTER 5. OTHERS
5-1.Replacing the CPU
1. Removing the CPU 1. Insert a flat-blade screwdriver into the notch as shown 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 mark 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 the flat head (-) screwdriver into the specified position and rotate th screwdriver to the LOCK position.