Akai AP-D40

Teer
Supply
terminal
giving
a
high
level
of
output
voltage
for
APC-OUT.
Terminal
connecting
2.7
MHz
X’tal
at
FG
=
180
pulses/1
revolution.
33
IN
4
Terminal
selecting
the
speed,
has
built-in
pulll
up
resistors
becoming
active
at
45
IN
5
“L” level.
33/45 OUT a ae Becomes “L” level when set to 33-1/3 rpm.
Strobe signal output terminal and duty is 1/10.
Output
frequency
is
the
same
as
that
of
the
input
pulse
FG-IN
from
the
motor when the speed is accurate.
Input signal terminal for minute adjustment.
32
step
speed
control
possible
in
steps
of
0.2%
by
5
bit
binary
code.
Test point at APC sampling signal output terminal.
GND terminal.
Supply terminal 12v*1¥
Terminal
for
condenser
connection
to
generate
APC
circuit
saw
waves.
ee
Terminal
for
condenser
correction
to
store
APC
sampling
voltage.
Terminal to control APC circuit saw wave tilt.
APC output voltage terminal.
AFC-OUT AFC output voltage terminal.
VoGc-F
21
Supply
terminal
giving
a
high
level
of
output
voltage
for
AFC-OUT.
FC,
22
Terminal
for
condenser
connection
to
generate
AFC
circuit
saw
waves.
FC,
23
Terminal
for
condenser
connection
to
store
AFC
sampling
voltage.
24 Terminal to control AFC circuit saw wave tilt.
Test point at AFC sampling signal output terminal
J
i
N
N
WN
FG-IN
26
Terminal
inputting
pulses
to
correspond
to
motor
speed.
LOCK
©
7
Outputs
“L”
level
when
the
motor
is
PLL
locked.
Inside
is
an
open
in
MOS
FET
and
the
LEDs
can
be
directly
driven.
Supply terminal SV + 0.5V
<
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;
oo
vn
Chart-1
17