Sony BVS-3200CP Maintenance Manual page 31

Replacing the key switch
(1) Pull out the key
switches and remove
Replacing
the ROM
its.
(1) Remove the
lower panel.
(2) The side of the switches, and pull out
remove the key top.
(2) Replace the ROM.
BVS - 3200C (UC)
BVS - 3200CP (EK) 2-11