Sony UP55MD, Service Manual

Page: 19 / 74

1-11
UP-55MD
A
B
C
D
E
F
G
A
C
D
E
F
G
H
I
J
K
L
M
N
H
I
J
K
L
M
N
B
Portion A
Portion B
BVTT
2.6
x
5
BVTT
2.6
x
5
Front corner stay
Ribbon rail (L)
Ribbon rail (R)
CCM-53 board
BVTT
2.6
x
5
BVTT
2.6
x
5
Center stay assembly
Harnesses
Hole
Shaft of pendulum arm
1-5-5. Center Stay Assembly
n
When removing the center stay, be careful not to damage
the harness.
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 four screws, then remove the front corner
stay.
8. Remove the seven hooks (A to G) while pushing the
portion A of the ribbon rail (L) from outside of the
main chassis, then remove the ribbon rail (L) in the
direction shown by the arrow.
9. Remove the two screws, then remove the CCM-53
board.
10. Remove the seven hooks (H to N) while pushing the
portion B of the ribbon rail (R) from outside of the
main chassis, then remove the ribbon rail (R) in the
direction shown by the arrow.
11. Remove the three screws, then remove the center stay
assembly.
12. Attach the center stay assembly in the reverse order of
steps 1 to 11.
n
Be sure to securely attach the shaft of the pendulum
arm to the hole of the center stay assembly.