DOWNLOAD Sony DPP-SV88 Service Manual ↓ Size: 4.2 MB | Pages: 40 in PDF or view online for FREE

Model
DPP-SV88
Pages
40
Size
4.2 MB
Type
PDF
Document
Service Manual
Brand
Device
Service Manual / Other / V1 E1 REV1
File
dpp-sv88.pdf
Date
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Sony DPP-SV88 Service Manual ▷ View online

1-3
DPP-SV88 V1
1-3. Sensor Arrangement and Functional Description
MD-42 board
Ref.
Name
Type
Function
PH903, 904
Mode position sensor
Reflection type 
x
 2
Detects the position of a mechanical mode.
PH901, 902
Ribbon code sensor
Reflection type 
x
 2
Detects the type of a ribbon.
D901
Ribbon mark sensor
LED
Detects the position of each ribbon color.
PH905
Ribbon in-sensor
Reflection type 
x
 1
Detects the existence of a ribbon cassette.
JD-42 board
Ref.
Name
Type
Function
PH961
Jamming detect sensor
Reflection type 
x
 1
Detects the paper position.
Detects the paper type.
MD-42 board (Side A)
JD-42 board (Side A)
PH901
D901
PH902
PH905
PH904
PH903
PH961
1-4
DPP-SV88 V1
PE-42 board
Ref.
Name
Type
Function
PH971
Paper edge sensor
Reflection type 
x
 1
Detects the paper position.
Detects the paper type.
RM-42 board
Ref.
Name
Type
Function
Q981
Ribbon mark sensor
Phototransistor
Detects the position of each ribbon color.
PE-42 board (Side A)
RM-42 board (Side A)
PH971
Q981
2-1
DPP-SV88 V1
Section 2
Replacement of Main Parts
Connector (CN501)
DK-42 board
CD-423 board
Core
Flexible flat 
cable
Duct
CDR holder 
assembly
CD-R drive assembly
CDR fixing plate (F)
BVTT 2.6
x
5
BVTP 2.6
x
8
PSW 2.6
x
6
P 2
x
2
P 2
x
2
P 2
x
2
CDR reinforcing plate
2-1. CD-RW Drive Assembly
1.
Remove the upper cabinet assembly. (Refer to Section
1-2-1.)
2.
Remove the front panel assembly. (Refer to Section 1-
2-2.)
3.
Remove the two screws (PSW 2.6 
x 6), then remove
the duct.
4.
Remove one screw (BVTP 2.6 
x 8), then remove the
CD-RW assembly.
5.
Disconnect one flexible flat cable from the connector
(CN501) on the DK-42 board.
6.
Remove the three screws (BVTT 2.6 
x 5), then
remove the CDR reinforcing plate.
7.
Remove the two screws (P 2
x2), then remove the
CDR holder assembly.
8.
Remove the two screws (P 2
x2), then remove the
CDR fixing plate (F).
9.
Disconnect one flexible flat cable from the CD-423
board.
10. Pull out the CD-423 board.
11. Attach CD-RW drive assembly in the reverse order of
steps 1 to 10.
2-2. Replacement of Board
2-2-1. CS-42 Board
1.
Remove the upper cabinet assembly. (Refer to Section
1-2-1.)
2.
Remove the front panel assembly. (Refer to Section 1-
2-2.)
3.
Remove the two screws (BVTP 2.6 
x 8), then remove
the CS mounting plate.
4.
Remove one screw (M2), then remove the CS-42
board.
5.
Disconnect one flexible flat cable.
6.
Attach a CS-42 board in the reverse order of steps 1 to
5.
CS mounting plate
Front panel assembly
M2
BVTP 2.6
x
6
CS-42 board
Flexible flat cable
2-2
DPP-SV88 V1
2-2-2. SW-42 Board
1.
Remove the upper cabinet assembly. (Refer to Section
1-2-1.)
2.
Remove the front panel assembly. (Refer to Section 1-
2-2.)
3.
Remove the two screws (M2), then open the door.
4.
Remove the five claws using a slotted screwdriver,
then remove the door (outside).
5.
Remove the two screws (BTP 2 
x 6), then remove the
SW-42 board.
6.
Disconnect one harness.
7.
Attach a SW-42 board in the reverse order of steps 1 to
6.
2-2-3. DK-42 Board
1.
Remove the upper cabinet assembly. (Refer to Section
1-2-1.)
2.
Remove the front panel assembly. (Refer to Section 1-
2-2.)
3.
Remove the CD-RW drive assembly. (Refer to Section
2-1)
4.
Remove the two screws (BVTT 2.6 
x 5), then remove
the barrier plate.
5.
Disconnect the four flexible flat cables from the
connectors (CN202, CN251, CN252, and CN253) on
the DK-42 board.
6.
Remove the four screws (BVTP 2.6 
x 8).
7.
Raise the ferrite holder, then remove the DK-42 board.
8.
Remove the four solders, then remove the upper DK
shield case from the DK-42 board.
Door
M2
BTP 2
x
6
SW-42 board
Harness
Door (outside)
Claws
Front panel assembly
Front panel assembly
DK-42 board
A
A
Connector 
(CN251)
Connector 
(CN253)
Connector 
(CN252)
Solders
Solder
Barrier plate
Upper DK shield 
case
Connector 
(CN202)
Ferrite holder
Flexible flat cables
BVTP 2.6
x
8
BVTT
2.6
x
5
BVTP 2.6
x
8
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