This was the Sony CCU-500A Service manual I was looking for.
The price was reasonable.
The permission to download was quck.
I will use Owner-Manual.com for all my manual needs.
Excellent printing quality.
A complete and very usefull service manual with all details.
GREAT SERVICE AT VERY LOW PRICE!
A+++++++++++++++++++++++++
Text excerpt from page 23 (click to view)
5-2. Precautions for Handling the Drive
In performing a repair, observe the following precautions.
1 Do not turn the power switch on until the palmrest and the keyboard are installed completely. 1
2 If the power switch is to be turned on with the set in disassembled state, be sure to load a dummy disc in the drive. 2
Keyboard
Palmrest
3 If the power switch is to be turned on with the set in disassembled state for checking the drive condition, be sure to turn the power switch on with the tray drawn out. 3