Sony DPP-SV55 Service Manual ▷ View online
3-4
DPP-SV55 V1 (UC, CE)
Switching regulator
Hook
BVTP2.6
x
8
DK-41 board
PCMCIA ejector
B2
x
10
PC/MS guide
5.
Remove the three screws and one hook, then remove
the switching regulator in the direction indicated by
the switching regulator in the direction indicated by
the arrow.
6.
Attach a new switching regulator in the reverse order
of steps 1 to 5.
of steps 1 to 5.
3-4. PCMCIA Ejector
1.
Remove the upper cabinet assembly. (Refer to Section
2-2.)
2-2.)
2.
Remove the DK-41 board. (Refer to Section 3-1-1.)
3.
Remove the PC/MS guide.
4.
Remove the four screws, then remove the PCMCIA
ejector.
ejector.
5.
Attach a new PCMCIA injector in the reverse order of
steps 1 to 4.
Flexible flat cable
Switching
regulator
regulator
Harness
Mechanical
deck assembly
deck assembly
BVTP2.6
x
8
3-3. Switching Regulator
1.
Remove the upper cabinet assembly. (Refer to Section
2-2.)
2-2.)
2.
Remove the DK-41 board. (Refer to Section 3-1-1.)
3.
Disconnect one harness and one flexible flat cable
from the switching regulator.
4.
Remove the three screws, then remove the mechanical
deck assembly.
3-5
DPP-SV55 V1 (UC, CE)
3-5. Thermal Head
1.
Remove the upper cabinet assembly. (Refer to Section
2-2.)
2-2.)
2.
Remove the DK-41 board. (Refer to Section 3-1-1.)
3.
Remove the DC fan. (Refer to Section 3-2.)
4.
Pull the portion A of the thermal head connectors in
the direction indicated by the arrow, then disconnect
the direction indicated by the arrow, then disconnect
the flexible flat cables.
5.
Remove the two screws, then remove the thermal
head.
6.
Attach a new thermal head in the reverse order of steps
1 to 5.
3-6. Paper Feed Frame Assembly
1.
Remove the upper cabinet assembly. (Refer to Section
2-2.)
2-2.)
2.
Remove the DK-41 board. (Refer to Section 3-1-1.)
3.
Remove the MD-41 board. (Refer to Section 3-1-3.)
4.
Remove the two screws (BVTT 2.6
x5), then remove
the paper feed frame holder from the chassis assembly.
5.
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.
6.
Attach a new paper feed frame assembly in the reverse
order of steps 1 to 5.
order of steps 1 to 5.
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.
Flexible flat cables
Thermal head
Connector
Mechanical deck assembly
PSW2.6
x
6
A
A
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
3-6
DPP-SV55 V1 (UC, CE)
3-7. Chassis Assembly
1.
Remove the upper cabinet assembly. (Refer to Section
2-2.)
2-2.)
2.
Remove the DK-41 board. (Refer to Section 3-1-1.)
3.
Remove the MD-41 board. (Refer to Section 3-1-3.)
4.
Remove the paper feed assembly. (Refer to Section 3-
6.)
6.)
5.
Remove the ribbon door from the two hinges of the
cassette guide in the direction indicated by the arrow.
cassette guide in the direction indicated by the arrow.
6.
Attach a new chassis assembly in the reverse order of
steps 1 to 5.
steps 1 to 5.
Ribbon door
Chassis assembly
Cassette guide
Hinges
BVTT
2.6
2.6
x
5
CN905
Stepping motor
Harness
MD-41 board
3-8. Stepping Motor
1.
Remove the upper cabinet assembly. (Refer to Section
2-2.)
2-2.)
2.
Remove the DK-41 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-41 board, then
remove the stepping motor.
remove the stepping motor.
5.
Attach the stepping motor in the reverse order of steps
1 to 4.
3-7
DPP-SV55 V1 (UC, CE)
BVTT
2.6
2.6
x
5
BVTT
2.6
2.6
x
5
E transmission
gear assembly
gear assembly
3-9. 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.)
2-2.)
2.
Remove the DK-41 board. (Refer to Section 3-1-1.)
3.
Remove the mechanical deck assembly. (Refer to
Section 2-4.)
4.
Remove the chassis assembly. (Refer to Section 3-7.)
5.
Remove the MD-41 board. (Refer to Section 3-1-3.)
6.
Remove the paper feed frame assembly. (Refer to
Section 3-6.)
7.
Remove the stepping motor. (Refer to Section 3-8.)
8.
Remove the four screws, then remove the E
transmission gear assembly.
transmission gear assembly.
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.
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