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Alpine 7980M - Page 24

Alpine 7980M
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7980M
Disassembly
Instruction
1.
Removal
of
Nosepiece
(1)
After
removal
of
Top
Cover,
remove
the
Rotary
Knob
as
shown
in
Figure
172.
(2)
Remove
five
Hooks
(A)
as
shown
in
Figures
12,
13.
QRB
Socket
NY
ZA
Main
P.C.Board
/
2.
Removal
of
Front
P.C.Board
Rotary
knob
Hooks
(A)
Figure
12
(1)
After
removal
of
Nosepiece,
remove
two
Solder
(a)
and
four
Hooks
(B)
as
shown
in
Figure
14.
(2)
Disconnect
the
16-Pins
Connector
to
Main
P.C.Board
as
shown
in
Figure
14.
Note)
To
make
it
easy,
insert
a
thim
stick
object
into
an
aperture
and
push
out
the
Front
P.C.Board
as
shown
in
Figure
15.
Base
Chassis
3.
Removal
of
QRB
P.C.Board
i
aed
(1)
After
removal
of
Front
P.C.Board,
remove
two
screws
marked
“C]”
as
shown
in
Figure
16.
(2)
Pull
up
QRB
Socket
to
direction
of
the
arrow
Peaks:
(A)
Figue
13
as
shown
in
Figure
16.
(3)
QRB
P.C.Board
with
QRB
Socket
can
be
removed
completely.
Solder
(a)
CD
Deck
Mechanism
Front
P.C.Board
Hooks
(B
16
-
Pins
(8)
Connector
50!der
(a)
=30=

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