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Technics SL-PD647

Technics SL-PD647
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|
SL-PD647
=
SL-PD647
|
t
Notes:
e
The
FPC
board
cannot
be
connected
because
it
is
too
}
short
when
the
traverse
deck
is
secured
sideways.
Replace
it
with
the
long
FPC
board.
e
After
completing
the
check,
restore
the
replaced
FPC
‘
boards
to
their
original
positions.
2.
Insert
part
@
of
the
traverse
deck
into
hole
©
of
the
chassis
,
ass’y
as
shown
in
Fig.
4.
Hl
i
wer
switch
How
to
play
the
disc
|
Servo
P.C.B.
(hold
the
,
and
keys(3
keys)
on
and
set
the
power
switch
to
ON.)
4.
Press
the
FXEWZ
key
and
play
the
test
disc.
5.
When
checking
the
soldered
surface
of
the
servo
P.C.B.,
do
as
shown
in
Fig.
6.
.
Connect
the
FPC
boards
as
shown
in
Fig.
5.
(ewer
CN401
and
cnso2
=a
Between
CN402
and
CN602
Between
CN102
and
CN301
Replace
the
FPC
board
for
the
servo
P.C.B.
(between
CN102.and
CN301)
with
the
FPC
board
on
the
main
-
P.C.B,
(between
CN401
and
CN601
or
between
CN402
and
CN602).
(Reference
the
arrows
in
Fig.
4.)
(B)
Securing
the
traverse
deck
to
the
mechanism
base
ass’y.
The
traverse
deck
cannot
be
secured
unless
)
the
rear
panel
has
been
removed.
FPC
board
of
servo
P.C.B.
To
CN601
CN602
FPC
board
_
.
Connect
the
FPC
boards
in
the
same
manner
as
described
|
,
in
(A)
above.
\
Fig.
7
|
2.
Insert
part
@
of
the
traverse
deck
into
notch
©
of
the
mechanism
base
ass’y
as
shown
in
Fig.
7.
.
Install
the
spacer
so
that
the
traverse
deck
is
horizontal
as_
|
shown
in
Fig.
8.
|
|
ie)
How
to
play
the
disc
4,
Set
the
unit
in
the
test
mode
as
follows:
(hold
the
JENA,
Beis
and
keys(3
keys)
on
and
set
the
power
switch
to
ON.)
5.
Press
the
XEN
key
and
play
the
test
disc.
6.
When
checking
the
soldered
surface
of
the
servo
P.C.B.,
do
as
shown
in
Fig.
9.
Power
switch
Fig.
9
:
—11—
|
Fig.
6
3.
Set
the
unit
in
the
test
mode
as-follows:
|
|
Mi
OPERATING
THE
UNIT
WITHOUT
THE
FRONT
PANEL
ASS’Y
_
(OPERATING
P.C.B.
AND
KEYS)
3
The
main
operations
of
the
unit
can
be
performed
by
shorting
jumper
wires
on the
main
P.C.B.-even
if
the
FPC
board
from
the
control
panel
is
not
connected
to
the
main
P.C.B.
When
bent
the
jumper
wire,
pay
attention
not
to
cut
it.
D413(Cathode)
D412(Cathode)
Servo
P.C.B.
Fig.
1
Main
P.C.B.
Use
a
screwdriver
to
bend
the
jumper
wire.
Screwdriver
1.
Short
the
jumpers
on
the
main
P.C.B.
;
a.
J406-
Cathode
of
D411
(equivalent
to
pressing
the
PLAY
key)
E
J406-
Cathode
of
D413
(equivalent
to
pressing
the
STOP
key)
c.
J401-
Cathode
of
D411
(equivalent
to
pressing
the
DISC
1key)
2.
Shorting
J131
to
J416
turns
the
power
ON.
.
3.
After
turning
on the
power,
open
the
3
shorted
jumpers
(a
to
c)
in
1.
4.
Momentarily
short
the
jumpers
shown
below
as
needed.
(Fig.
1)
e
To
PLAY,
short
J406
to
cathode
of
D411
(equivalent
to
pressing
the
PLAY
key)
¢
To
FWD,
short
J405
to
cathode
of
D413
(equivalent
to
pressing
the
>|
SKIP
key)
©
To
REW,
short
J405
to
cathode
of
D411
(equivalent
to
pressing
the
|€<4
SKIP
key)
¢
To
FORWARD,
short
J401
to
cathode
of
D412
(equivalent
to
pressing
the
»p»
SEARCH
key)
|
©
To
BACKWARD,
short
J401
to
cathode
of
D413
(equivalent
to
pressing
the
<<
SEARCH
key)
®
To
STOP,
short
J406
to
cathode
of
D413
(equivalent
to
pressing
the
STOP
key)
5.
The
operations
for
the
6
modes
above
can
be
performed.
Sd

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