Akai X-1810

(A)
(B)
ADJUSTMENT OF LINE OUTPUT
LEVEL
Playback (See Fig. 3) (Reel only)
1.
Depress Mode Selector REEL Button and
turn Volume Control VRIa or VR2a (10KA)
up to maximum.
Set Record/Playback Lever to “Play” and
the Equalizer to “7-1/2”.
Connect a V.T.V.M. (use one with Milli-Volt
Scale) to the Line Output Jack.
Playback a test tape (250 Hz “0” VU
recorded) at 7-1/2 ips tape speed and turn
semi-fixed resistor VR1-1 (20 KB) until the
Line Output Level reaches 1.228V (+2 dB).
Recording and Playback (See Figs. 4 and 5) (Reel)
l.
2.
3.
Connect V.T.V.M. to the Line Output Jack
and load an AKAI 100L Tape.
Set machine to Recording Mode.
Feed in a 1,000 Hz. Sine Wave Signal from
an Audio Frequency Oscillator to the Line
Input of the X-1810 and turn Volume
Control VRia or VR2a (10KA) until the
Line Output Level reaches “0” VU 1.228V
(+4 dB).
After a few seconds of recording, rewind the
tape back to the starting position. Then
play back the tape.
If the Line Output Level does not reach
“0” YU, turn Volume VR-202 (2 KB) until
the Line Output reaches “0” VU (+2 dB).
Repeat this process 2 or 3 times (from item
3).
zi Cl14 10/25
© C5
Cl-8 1/25
Fig. 3
(C) Recording and Playback for Cartridge (See Fig. 4
and 5)
Lh.
Note:
Load
a
blank
test
tape
(AKAI
15
Sec.
Test
Tape
is
recommended).
Depress
the
Cartridge
Function
Switch
and
set
Record/Playback
Lever
to
“REC”.
Feed
in
a
1,000
Hz.
sine
wave
signal
from
an
Audio
Frequency
Oscillator
to
the
Line
Input
of
the
X-1810
and
turn
Volume
VRla
or
VR2a
until
the
Line
Output
Level
reaches
“O”
VU
1.228V
(+4
dB).
Record
for
a
few
seconds
and
then
play
back
the
tape.
With
Volume
Controls
(VRla
or
VR2a)
at
maximum,
adjust
VR1
(3KB)
so
that
the
Line
Output
Value
is
+2
dB
(+2
dB).
Repeat
this
process
2
or
3
times
(from
item
3).
Recording/Playback level difference varies
depending upon the tape being used.
Fig. 5
ee)
1
@ fprichr (20K8)
“®
VR2-2(2KB)
Fig. 4
21