Sony UP55MD, Service Manual

Page: 13 / 74

1-5
UP-55MD
A
B
E
D
C
SE-752
board
Harness
Harness
Harness
BVTT
2.6
x
5
Ribbon sensor (R) cover
Hooks [A]
Hook [D]
Hook [D]
Projection
Paper center
guide
Center stay
SE-747 board
SE-750 board
Hook [C]
Hook [B]
SE-747 board
SE-750 board
BTP
2.6
x
6
1-4-4. SE-747 Board/SE-750 Board/SE-752
Board
1. Remove the top cover. (Refer to Section 1-3-1.)
2. Remove the front panel assembly.
(Refer to Section 1-3-2.)
3. Remove the MA-142 board. (Refer to Section 1-4-1.)
4. Remove the mechanical main unit assembly.
(Refer to Section 1-5-2.)
5. Remove the MEC-24 board. (Refer to Section 1-4-2.)
6. Remove the stepping motor. (Refer to Section 1-5-3.)
7. Remove the ribbon drive assembly.
(Refer to Section 1-5-4.)
8. Remove the center stay assembly.
(Refer to Section 1-5-5.)
9. Remove the screw (BVTT2.6
x
5) and disconnect the
harness from the connector on the SE-752 board, then
remove the SE-752 board.
10. Remove the two hooks [A], then remove the ribbon
sensor (R) cover.
11. Remove the two screws (BTP2.6
x
6) and two hooks
[D] while pushing the projection of paper center guide,
then remove the center stay in the direction shown by
the arrow E.
12. Remove the hook [B] in the direction shown by the
arrow A, then remove the SE-747 board in the
direction shown by the arrow B.
13. Disconnect the harness from the connector on the SE-
747 board.
14. Remove the hook [C] in the direction shown by the
arrow C, then remove the SE-750 board in the
direction shown by the arrow D.
15. Disconnect the harness from the connector on the SE-
750 board.
16. Install the SE-747 board, SE-750 board and SE-752
board in the reverse order of steps 1 to 15.