Sony CMT-DC500MD / HCD-J300 Service Manual ▷ View online
11
HCD-J300
• The equipment can be removed using the following procedure.
SECTION 3
DISASSEMBLY
SET
TOP PANEL SECTION
(Page 12)
BACK PANEL SECTION
(INCLUDING THE OPTICAL BOARD,
OPTICAL RETAINER BOARD)
(Page 20)
MAIN BOARD, POWER BOARD,
POWER TRANSFORMER
(Page 20)
OPTICAL PICK-UP (KSM-213DHAP)
(Page 19)
FRONT PANEL SECTION
(Page 13)
HOLDER SECTION
(Page 15)
OP SUB SECTION
(Page 16)
TC BLOCK SECTION, TC BOARD,
TAPE MECHANISM DECK
(Page 12)
CONTROL BOARD, LED BOARD,
HEAD PHONE BOARD
(Page 17)
LOADING MOTOR ASSEMBLY,
SPINDLE MOTOR ASSEMBLY,
SLED MOTOR ASSEMBLY
(Page 17)
MD SECTION
(Page 14)
BD BOARD
(Page 15)
OPTICAL
BOARD
(Page 13)
BASE UNIT (BU-K4BD43)
(Page 19)
CAM (CDM55)
(Page 18)
OVER WRITE HEAD (HR901)
(Page 16)
CD MECHANISM DECK
(CDM55F-K4BD43)
(Page 18)
MD MECHANISM DECK (MDM-7B),
DIGITAL BOARD
(Page 14)
12
HCD-J300
TC BLOCK SECTION, TC BOARD, TAPE MECHANISM DECK
TOP PANEL SECTION
1
Two case screws
5
Two case screws
3
Two claws
7
Two claws
qa
Two claws
4
Remove the side panel (X/ L) assembly
in the direction of the arrow.
8
Remove the side panel (X/R) assembly
in the direction of the arrow.
2
Screw
(+BTP 3
×
8)
6
Screw
(+BTP 3
×
8)
9
Screw
(+BTP 3
×
8)
qs
Remove the top panel section
in the direction of the arrow.
qd
Flat type wire (18 core)
(CN303)
q;
Two screws
(+KTP 3
×
6)
1
Four screws
(+BTP 3
×
8)
3
Three screws
(+BVTT 2.6
×
5)
7
Two screws
(+BVTT 2.6
×
5)
9
Two screws
(+BVTT 2.6
×
5)
8
MD bracket (R)
q;
MD bracket (L)
5
Connector (6 core)
(from tape mechanism deck)
qa
Tape mechanism deck
6
TC board
4
Claw
3
TC block section
2
Top panel
1
Flat type wire (18 core)
(CN301)
2
Flat type wire (9 core)
(to TC board from tape mechanism deck)
Note:
Follow the disassembly procedure in the numerical order given.
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)
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