Board - Sony LMT-300 Service Manual

3-5-2. DP-455 Board
Replacement part
Part name: DP-455 board
Part number: A-1359-020-A
Replacement procedure
1. Remove this unit. (Refer to Section 1-1.)
2. Remove the front panel. (Refer to Section 3-2-1.)
3. Open the DP board assembly in the direction of the
arrow.
4. Remove the two screws, then remove the two cover
brackets and the two front covers (S).
5. Remove SSD carefully.
6. Remove the HDDs (No. 1 and No. 2) carefully.
(Refer to Section 3-4-4.)
7. Remove the two convex portions of the cable protec-
tion sheet from the two concave portions of the frame,
then remove the insulating sheet (B).
8. Disconnect the harness from the connector (CN54) on
the MB-1143 board.
LMT-300
Fig. 1
Concave portions
Harness
of frame
Insulating sheet (B)
DP board assembly
B3 x 6
Cover brakets
Convex
portions
MB-1143 board
CN54
Harness
Front covers (S)
3-19 (E)