41. Remove two screws(M3×8TP)(a) and
remove the eject tray (b) in the upper
direction.
42. Remove two screws (M3×8P tight)(b)
from the eject tray(a).
43. Detach the USB PWB assembly (c).
44. Check or replace the USB PWB (c),
and then reattach the parts which are
detached in the original position.
2S0/2S1/2S2/2S3/2S4/2S5/2SG/2SH/3RA
a
b
Figure 4-254
b
Figure 4-255
4-137
a
c
d
b