Sony HCD-DX90 / MHC-DX90 Service Manual ▷ View online
HCD-DX90
6
• This set can be disassembled in the order shown below.
3-1.
DISASSEMBLY FLOW
SECTION 3
DISASSEMBLY
3-2.
UPPER CASE (TOP)
(page 7)
(page 7)
3-3.
LOADING PANEL ASSY
(page 7)
(page 7)
3-4.
FRONT PANEL SECTION,
CD MECHANISM DECK
(CDM58-K2BD38)
(page 8)
CD MECHANISM DECK
(CDM58-K2BD38)
(page 8)
3-5.
TAPE MECHANISM DECK
(TCM-230AWP11)
(page 8)
(TCM-230AWP11)
(page 8)
3-6.
PANEL BOARD
(page 9)
(page 9)
3-7.
TRANS BOARD
(page 9)
(page 9)
3-8.
MAIN BOARD,
AMP BOARD
(page 10)
AMP BOARD
(page 10)
3-9.
LEAF SW BOARD,
HEAD (A) BOARD,
HEAD (B) BOARD
(page 10)
HEAD (A) BOARD,
HEAD (B) BOARD
(page 10)
3-10. BASE UNIT
(BU-K2BD38)
(page 11)
(page 11)
3-11. DRIVER BOARD,
MOTOR BOARD,
SENSOR BOARD
(page 11)
SENSOR BOARD
(page 11)
SET
HCD-DX90
7
side panel (R)
0
claw
4
qa
8
qs
upper case (top)
side panel (L)
5
two screws (case 3 TP2)
7
two screws
(+BVTP 3
(+BVTP 3
×
10)
1
two screws (case 3 TP2)
9
two screws (+BVTP 3
×
10)
3
two screws
(+BVTP 3
(+BVTP 3
×
10)
6
screw (case 3 TP2)
2
screw (case 3 TP2)
Note:
Follow the disassembly procedure in the numerical order given.
3-2.
UPPER CASE (TOP)
3-3.
LOADING PANEL ASSY
2
pull-out the disc tray.
1
Turn the pulley to the direction of arrow.
pulley
4
loading panel assy
Front panel side
CD mechanism deck (CDM58)
3
HCD-DX90
8
3-4.
FRONT PANEL SECTION, CD MECHANISM DECK (CDM58-K2BD38)
3-5.
TAPE MECHANISM DECK (TCM-230AWP11)
7
qa
qs
CD mechanism deck (CDM58)
8
front panel section
3
connector (CN2)
9
connector (CN201)
0
connector (CN202)
2
connector (CN1)
Connector
(CN601)
(CN601)
1
flat type wire (CN304)
6
three screws (+BVTT 3
×
6)
5
screw (+BVTP 3
×
10)
4
screw (+BVTP 3
×
10)
6
tape mechanism deck
(TCM-230AWP11)
(TCM-230AWP11)
5
four screws (+BVTP 2.6
×
8)
1
screw (+BVTP 2.6
×
8)
2
bracket assy (heart cam R)
4
bracket assy (heart cam L)
3
screw (+BVTP 2.6
×
8)
HCD-DX90
9
3-6.
PANEL BOARD
3-7.
TRANS BOARD
qs
Cut the thirteen melted-connection points with a cutting plier.
Note: When attching the panel board,
refer to "Service Note" on page 3.
qf
panel board
qa
CD Switch board
1
vol knob
8
5
FR knob
4
bracket (FR)
qd
five claws
0
three claws
9
two
screws
(+BVTP 2.6
×
8)
3
two bosses & four pins
6
spring
2
two screws
(+BVTP 2.6
(+BVTP 2.6
×
8)
7
knob(MIC)
8
two screws
(+BVTT 4
(+BVTT 4
×
8)
2
five screws
(+BVTP 3
(+BVTP 3
×
10)
1
two screws
(+BVTP 3
(+BVTP 3
×
10)
4
back panel
7
two screws (+BVTT 4
×
8)
0
trans board
9
power transformer (T971)
5
connector (CN975)
6
connector (CN977)
3
connector (CN891)
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