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Technics SL-PJ27 - Page 9

Technics SL-PJ27
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Procedure
:
mo
4
~@).
1p
e6
Remove
the
4
screws
(9~®)
2.
Lift
the
main
P.C.B.
off
retention
posts
on
the
chassis.
3.
Remove
the
3
flat
cables
(CN11,
CN405,
CN406).
4.
Remove
the
main
P.C.B.
direction
of
the
arrow.
the
in
the
SL-PJ27
How
to
check
the
main
P.C.B.
¢When
checking
the
soldered
surface
of
the
main
P.C.B.
and
replacing
the
parts,
do
as
shown.
e
Don’t
remove
the
2
flat
cables
(CN405,
CN406).
Cautions:
1.
Connect
the
main
P.C.B.
ground
terminal
(LINE
OUT
terminal)
to
the
chassis
with
a
lead
wire.
2.
Connect
the
operation
P.C.B.
ground
terminal
to
the
chassis
with
a
lead
wire.
Main
P.C.B.
Operation
P.C.B.
Lead
Wire
Lead
Wire
Ref.No.
|
Removal
of
the
servo
P.C.B.
and
Ref.
No.
loading
motor
P.C.B.
Removal
of
the
loading
motor
Procedure
Procedure
Hilo
der
sati
¢
Removal
of
the
servo
P.C.B.
146-7
Remove
the
drive
belt.
=
10
1.
Remove
the
3
screws
(O~®).
11
Remove
the
2
screws
(@,
@).
Release
the
2
claws.
Unsolder
the
2
terminals
of
the
lead
wire
of
the
loading
motor.
2.
Unsolder
the
2
terminals
of
spindle
motor.
3.
Remove
the
FPC
board
from
the
optical
pickup.
Caution:
To
prevent
the
breakdown
of
the
laser
diode,
antistatic
shorting
pin
is
inserted
into
the
FPC
board.
e
Removal
of
the
loading
motor
P.C.B.
1.
Remove
the
2
screws
(@,
©).
2.
Unsolder
the
2
terminals
of
loading
motor.
:
Servo
P.C.B.
FPC
Board
Loading
Motor
Terminals
—9
9
—
Pens
Drive
Belt
Loading
Motor

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