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Sharp RP-117H - Page 28

Sharp RP-117H
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RP-107H/117H
©
To
perform
the
synchro
pausing
operation:
While
the
player
is
playing,
if
its
cue
key
is
pushed,
the
tone-
arm
is
lifted
off
the
record
to
stop
playing
temporarily.
Then
there
appears
a
low
level
pulse
(200m
sec)
at
pin
(6)
of
the
microcomputer
to
turn
off
Q207
so
that
a
high
level
pulse
(200
msec)
goes
out
of
pin
(B)of
DIN
socket.
With
this
pulse
given,
the
cassette
deck
enters
record/pause
mode
to
stop
recording
temporarily.
Automatic
Stop
Function:
While
the
player
is
playing,
if
the
function
selector
switch
of
the
amplifier
SA-107H
is
set
to
other
than
the
“player”
position,
there
appears
a
high
level
signal
at
the
amplifier
to
be
applied
to
pin
(4)
of
DIN
socket
of
the
player.
This
pulse
is
sent
to
the
base
of
Q206,
and
with
Q206
turned
on
a
low
Level
pulse
is
caused
to
be
applied
to
pin
of
the
micro-
computer.
Then
the
microcomputer
causes
the
player
to
stop
playing
automatically.
ADJUSTMENT
OF
CIRCUIT
TONEARM
TRACKING
ADJUSTMENT
1.
Turn
on
the
power
switch
without
a
record
being
put
in
the
compartment,
push
the
cartridge
forward
key
first
and
then
the
cue
key
to
have
the
tonearm
moving
down
to
the
turntable
surface.
2.
Turn
the
semi-variable
resistor
VR205
clockwise
to
move
the
tonearm
in
the
inner
direction,
and
turn
it
back
until
the
tonearm
will
be
stopped:
at
this
position,
fix
the
semi-variable
resistor.
3.
Push
the
side
A/B
selector
key
to
allow
side
B
playing
instead
of
side
A
playing,
and
push
the
cartridge
forward
key
first
and
then
the
cue
key
to
have
the
tonearm
moving
down
to
the
turntable
surface.
4.
Adjust
the
semi-variable
resistor
VR206
in
the
same
way
as
for
the
VR205.
TONEARM
POSITION
INDICATOR
ADJUSTMENT
1.
Turn
on
the
power
switch
without
a
record
being
put
in
the
compartment,
and
push
the
cartridge
forward
key
to
move
the
tonearm
to
the
25cm
LP
record
lead-in
position.
2.
Loosen
the
screw
at
the
variable
resistor
VR103
(for
detection
of
the
tonearm
position),
turn
the
resistor
VR103
until
the
LED
lights
up:
just
then,
retighten
the
screw
to
retain
the
resistor
VR103.
See
Fig.
38-2.
—38—
From
Microcomputer
Pin
©Pin
vv
Q207
asco45
AP
p207
Q208
r
From
@
Pin
to
1C207
R237
10K
0203-0206
1$S133
GND
(SYNCHRO
Din
Din
(SYNCHRO
PAUSING
RECORDING
©pin
@Pin
OUTPUT
SIGNAL)
OUTPUT
SIGNAL)
Figure
38-1
I7
25
30
Light
up
Figure
38-2
Loosen
the
screw
and
move
VR103
in
the
direction
of
the
arrow.
Then
undo
the
interlock
of
the
gear.
Figure
38-3

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