Sony XR-4890 (serv.man2) Service Manual ▷ View online
– 9 –
FRONT PANEL ASS’Y
COVER ASS’Y
Note:
Follow the disassembly procedure in the numerical order given.
SECTION 2
DISASSEMBLY
1
Push the button
(release).
2
Remove the front panel ass’y
to the direction of the arrow
A
.
A
1
1
1
2
2
2
3
cover ass’y
– 10 –
SUB PANEL, MECHANISM DECK (MG-25F-136)
MAIN BOARD, HEAT SINK
3
connector
(CN351)
2
sub panel
1
three screws
(PTT2.6
×
8)
1
three screws
(PTT2.6
×
8)
5
screw
(PTT2.6
×
6)
6
mechanism deck
(MG-25F-136)
4
flexible flat cable
(CN301)
3
Two ground point
screws
5
two screws
(PTT 2.6
×
8)
5
two screws
(PTT 2.6
×
10)
1
screw
(PTT2.6
×
8)
5
two screws
(PTT 2.6
×
8)
6
heat sink
2
rubber cap (25)
1
two screws
(PTT2.6
×
8)
4
main board
– 11 –
SECTION 3
ASSEMBLY OF MECHANISM DECK
Note:
Follow the assembly procedure in the numerical order given.
HOUSING
ARM (SUCTION)
1
Install the catch to the hanger.
7
Holder the hanger by bending the claw.
6
Fit projaction on
D
part.
4
Fit claw on
B
part.
5
Fit projection on
C
part.
2
Install the hanger onto
two claws of the housing.
3
Put the housing
under
A
part.
D
part
B
part
A
part
C
part
8
Hold the hanger by
bending the claw.
hanger
housing
2
Move the arm (suction) in the arrow
direction and fit on projection.
1
Fit the arm (suction) on the shaft.
projection
– 12 –
LEVER (LDG-A) / (LDG-B)
GEAR (LDG-FT)
shaft
A
shaft
B
shaft
C
1
Fit the lever (LDG-A) on
shafts
A
–
C
and install it.
3
type-E stop ring 2.0
shaft
B
shaft
A
2
Fit the lever (LDG-B) on
shafts
A
and
B
and
install it.
4
Align hole in the gear (LDG-D)
with hole the lever (LDG-A)
5
gear (LDG-FT)
6
polyethylene washer
3
Move the lever (LDG-B)
in the arrow direction.
2
tensiton spring (LD-1)
2
tensiton spring (LD-2)
gear (LDG-FB)
lever (LDG-A)
hole
hole
gear (LDG-D)
1
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