Sony CMT-DC500MD / HCD-J300 Service Manual ▷ View online
13
HCD-J300
OPTICAL BOARD
FRONT PANEL SECTION
1
Connector (CN551)
2
Two screws
(+BTP 3
×
8)
3
Claw
4
Optical retainer board
5
Optical board
1
Flat type wire (25 core)
(CN304)
(CN306) (5 core)
2
Flat type wire
(25 core) (CN301)
3
Connector (CN306)
4
Lead (with connector)
5
Lead (with connector)
q;
Lead (with connector)
6
Two screws
(+BTP 3
×
8)
9
Two screws
(+BTP 3
×
8)
7
Screw (+KTP 3
×
6)
8
Screw (+KTP 3
×
6)
qa
Six dowels
qs
Front panel section
14
HCD-J300
MD MECHANISM DECK (MDM-7B), DIGITAL BOARD
MD SECTION
1
Four screws
(+BTP 3
×
8)
4
Two screws
(+BTP 3
×
8)
5
MD section
2
Wire holder
3
MD cover assembly
4
Flat type wire
(17 core) (CN103)
5
Flat type wire
(27 core) (CN102)
6
Two screws
(+BVTP 3
×
8)
1
Two screws
(+BVTP 3
×
8)
8
Digital board
7
MD bracket
3
Shield (MD)
q;
Two insulators
9
Two insulators
qa
MD mechanism deck
(MDM-7B)
2
Lead (with connector)
15
HCD-J300
HOLDER SECTION
BD BOARD
1
Tension spring (holder)
2
Hook
3
Holder section
1
Remove the
two solderings (SLED)
2
Remove the
two solderings (SPINDLE)
3
Remove the
two solderings
(LOADING)
(LOADING)
4
Remove the
three solderings
M102
M101
M103
S102
6
Flexible board
(CN101)
7
Connector (CN104)
8
BD board
5
Screw
(+B (P) TRI 2
×
6 CZN)
16
HCD-J300
OP SUB SECTION
OVER WRITE HEAD (HR901)
1
Screw (+P 1.7
×
6)
2
Over write head
(HR901)
1
Screw
(+B (P) TRI 2
×
6 CZN)
3
Screw
(+B (P) TRI 2
×
6 CZN)
5
Two screws
(+KTP 2
×
6)
6
Main shaft
7
Flexible board
8
OP sub secion
2
Base (BU-D)
4
Base (BU-A)
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