Sony DPP-SV77 Service Manual ▷ View online
3-7
DPP-SV77 V1
3-5. PCMCIA Ejector
1.
Remove the upper cabinet assembly. (Refer to Section
2-2-1.)
2-2-1.)
2.
Remove the DK-43 board. (Refer to Section 3-1-1.)
3.
Remove the PC/MS guide assembly.
4.
Remove the four screws, then remove the PCMCIA
ejector.
ejector.
5.
Attach a new PCMCIA ejector in the reverse order of
steps 1 to 4.
steps 1 to 4.
3-6. Thermal Head
1.
Remove the upper cabinet assembly. (Refer to Section
2-2-1.)
2-2-1.)
2.
Remove the DK-43 board. (Refer to Section 3-1-1.)
3.
Remove the mechanical deck assembly. (Refer to
Section 3-3.)
4.
Remove the DC fan. (Refer to Section 3-2.)
5.
Pull out the portion A of the connector on the thermal
head in the direction indicated by the arrow, then
head in the direction indicated by the arrow, then
disconnect the two flexible flat cable.
6.
Remove the two screws, then remove the thermal
head.
7.
Attach a new thermal head in the reverse order of steps
1 to 6.
DK-43 board
PCMCIA ejector
PC/MS guide
assembly
assembly
B 2
x
10
Flexible flat cables
Thermal head
Connector
Mechanical
deck assembly
deck assembly
PSW 2.6
x
6
A
A
3-8
DPP-SV77 V1
m
. Attach the paper feed frame assembly while pushing the
. Attach the paper feed frame assembly while pushing the
pendulum gear in the direction indicated by the arrow.
. When attaching the paper feed frame assembly, be sure
to securely insert the four hooks of the chassis assembly
into the four holes of the paper feed frame assembly.
into the four holes of the paper feed frame assembly.
3-8. Chassis Assembly
1.
Remove the upper cabinet assembly. (Refer to Section
2-2-1.)
2-2-1.)
2.
Remove the DK-43 board. (Refer to Section 3-1-1.)
3.
Remove the mechanical deck assembly. (Refer to
Section 3-3.)
4.
Remove the MD-43 board. (Refer to Section 3-1-3.)
5.
Remove the paper feed frame assembly. (Refer to
Section 3-7.)
Section 3-7.)
6.
Remove the ribbon door in the direction indicated by
the arrow from the two hinges of the cassette guide.
the arrow from the two hinges of the cassette guide.
7.
Attach a new chassis assembly in the reverse order of
steps 1 to 6.
Ribbon door
Chassis assembly
Cassette guide
Hinges
3-7. Paper Feed Frame Assembly
1.
Remove the upper cabinet assembly. (Refer to Section
2-2-1.)
2-2-1.)
2.
Remove the DK-43 board. (Refer to Section 3-1-1.)
3.
Remove the mechanical deck assembly. (Refer to
Section 3-3.)
4.
Remove the MD-43 board. (Refer to Section 3-1-3.)
5.
Remove the two screws (BVTT 2.6
x5), then remove
the paper feed frame holder from the chassis assembly.
6.
Remove one screw (BVTP 2.6
x8), then remove the
paper feed frame assembly from the chassis assembly
in the direction indicated by the arrow.
7.
Attach a new paper feed frame assembly in the reverse
order of steps 1 to 6.
order of steps 1 to 6.
Paper feed frame
assembly
assembly
Chassis assembly
Hooks
Holes
Paper feed frame
assembly
assembly
Pendulum gear
Chassis assembly
Hooks
Holes
Paper feed frame
assembly
assembly
Paper feed
frame holder
frame holder
Chassis assembly
BVTT
2.6
x
5
BVTP
2.6
2.6
x
8
3-9
DPP-SV77 V1
BVTT
2.6
2.6
x
5
CN905
Stepping motor
Harness
MD-43 board
3-9. Stepping Motor
1.
Remove the upper cabinet assembly. (Refer to Section
2-2-1.)
2-2-1.)
2.
Remove the DK-43 board. (Refer to Section 3-1-1.)
3.
Remove the mechanical deck assembly. (Refer to
Section 3-3.)
4.
Remove the two screws and disconnect one harness
from the connector (CN905) on the MD-43 board, then
remove the stepping motor.
remove the stepping motor.
5.
Attach the stepping motor in the reverse order of steps
1 to 4.
BVTT
2.6
2.6
x
5
BVTT
2.6
2.6
x
5
E transmission
gear assembly
gear assembly
3-10. E Capstan Roller
n
When replacing the E capstan roller, platen roller or pinch
When replacing the E capstan roller, platen roller or pinch
roller, be careful not to touch the roller with bare hands or
dirty gloves. In case that the roller is contaminated, clean it
dirty gloves. In case that the roller is contaminated, clean it
with ethyl alcohol.
1.
Remove the upper cabinet assembly. (Refer to Section
2-2-1.)
2-2-1.)
2.
Remove the DK-43 board. (Refer to Section 3-1-1.)
3.
Remove the mechanical deck assembly. (Refer to
Section 3-3.)
4.
Remove the chassis assembly. (Refer to Section 3-8.)
5.
Remove the MD-45 board. (Refer to Section 3-1-3.)
6.
Remove the paper feed frame assembly. (Refer to
Section 3-7.)
7.
Remove the stepping motor. (Refer to Section 3-9.)
8.
Remove the four screws, then remove the E
transmission gear assembly.
transmission gear assembly.
3-10
DPP-SV77 V1
CP shaft earth
Platen roller
Roller bearing
Roller
bearing
bearing
BVTT
2.6
2.6
x
5
B
A
A
C
R pendulum
lever assembly
lever assembly
9.
Remove the R pendulum lever assembly.
10. Remove one screw, then remove the CP shaft earth.
11. Rotate the two roller bearings in the direction indicated
by the arrow A, then remove them.
12. Move the platen roller in the direction indicated by the
arrow B, then remove it in the direction indicated by
the arrow C.
E capstan roller
Pinch roller
Roller bearing
Roller
bearing
bearing
B
A
A
C
13. Rotate the two roller bearings in the direction indicated
by the arrow A, then remove them.
14. Move the E capstan roller in the direction indicated by
the arrow B, then remove it in the direction indicated
by the arrow C.
15. Attach the E capstan roller in the reverse order of steps
1 to 14.
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