Sony PCV-J200 - Manual (Page 48)

VAIO® System Reference Manual 36
6 Remove the power supply by lifting it up and rest it upside down
over the corner of the chassis where the CD-RW/DVD combo drive
and floppy disk drives are located.
7 If necessary, remove the memory module you wish to replace (see
“Removing a Memory Module” on page 32).
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The screw that secures the power supply to the chassis is the same screw that secures
the side panel to the chassis.