Sony CDX-828 (serv.man2) Service Manual ▷ View online
SERVICE MANUAL
CDX-828
SUPPLEMENT-1
File this supplement with the service manual.
US Model
Canadian Model
AEP Model
UK Model
E Model
Subject: Mechanism Deck Modification (MG-250D-137)
(ECN-CSA00843)
The mechanism deck was changed from MG-250C-137 to MG-250D-137.
At the same time, MAIN, DIGITAL OUT and JACK boards were been
changed.
This supplement contains only a new type mechanism deck and boards.
At the same time, MAIN, DIGITAL OUT and JACK boards were been
changed.
This supplement contains only a new type mechanism deck and boards.
TABLE OF CONTENTS
1.
NEW/FORMER DISCRIMINATION
....................
2
2.
DISASSEMBLY
.........................................................
3
3.
DIAGRAMS
3-1. Note for Printed Wiring Boards
and Schematic Diagrams ................................................
5
3-2. Printed Wiring Boards – RF/SW Boards – ....................
6
3-3. Schematic Diagram – RF/SW Boards – ........................
7
3-4. Printed Wiring Boards
– MAIN Board (Component Side) – ..............................
8
3-5. Printed Wiring Board
– MAIN Board (Conductor Side) – ................................
9
3-6. Schematic Diagram – MAIN Board (1/3) – .................. 10
3-7. Schematic Diagram – MAIN Board (2/3) – .................. 11
3-8. Schematic Diagram – MAIN Board (3/3) – .................. 12
3-9. Printed Wiring Boards
3-7. Schematic Diagram – MAIN Board (2/3) – .................. 11
3-8. Schematic Diagram – MAIN Board (3/3) – .................. 12
3-9. Printed Wiring Boards
– DIGITAL OUT/JACK Boards – .................................. 13
3-10. Schematic Diagram
– DIGITAL OUT/JACK Boards – .................................. 13
4.
EXPLODED VIEWS
................................................ 14
5.
ELECTRICAL PARTS LIST
............................... 18
2
1.
NEW/FORMER DISCRIMINATION
7Y187A
C: MG-250C-137 (Former type)
D: MG-250D-137 (New type)
D: MG-250D-137 (New type)
3
Note:
Follow the disassembly procedure in the numerical order given.
2.
DISASSEMBLY
MECHANISM DECK (MG-250D-137)
2
tension spring (FL)
2
tension spring (FL)
1
two dampers (250)
1
two dampers (250)
3
jack flexible board
(CNJ901)
(CNJ901)
4
mechanism deck (MG-250D-137)
firament tape
MAIN BOARD
1
main flexible board
(CNJ12)
(CNJ12)
6
three screws (FP)
7
main board
2
Break the soldering
of motor (M104) lead.
of motor (M104) lead.
3
screw
(PTT2
(PTT2
×
4)
4
heat sink
5
two precision screws
(P1.7
(P1.7
×
2.5)
4
RF BOARD
4
3
two screws
(PTT2
(PTT2
×
4)
5
connector
(CNP53)
(CNP53)
7
RF board
3
two screws
(PS2
(PS2
×
4)
1
OP flexible board
(CNJ11)
(CNJ11)
2
Break the soldering
of motor (M102) lead.
of motor (M102) lead.
6
Break the soldering of lead.
CHUCKING MOTOR ASS’Y (M103)
1
Break the soldering
of motor (M103) lead.
of motor (M103) lead.
2
two screws (PTT2
×
4)
4
chucking motor ass’y
(M103)
(M103)
3
retainer (CHM)
