Akai AX80 Service Manual

VII.
ADJUSTMENT
PROCEDURE
FOR
VOICE
PCB
D
TP2
TP3
TP4 TP5
OFF-SET
AD
J
0
VRI02
VR202
©
© ©
R302
VR<02 VRSO<
©
VB602
VR702
VR802
SAWTOOTH WAVE
LEVEL
AOJ
©
PI
VRI
r~^T
P
1
—
©
© ©
VRIOI
VR20I VR30I
RESONANCE ADJ
—
i
1
1 1 1
—
r
T
p,
0
© © ©
© ©
VR40I VR50I VR60I
VR70I
VR80I
•
FRONT
VOICE PCB
LI003A50IO
XALL
THE IC«
(
ICI06to806:
CEM 3372
)
Fig.
7-1
7-1.
PREPARATION FOR THE ADJUSTMENT
*
It
is recommended
to
save
A
&
B bank data
onto a cas-
sett tape, and
verify A
&
B bank data.
*
It
is requied
to
warm
the
unit
up for 5
minuits
before
the adjustment of the resonance frequency for each
voice.
*
Make sure
to
load A & B bank data from the cassette
tape after repair or/and adjustment was completed.
7-2.
OFFSET ADJUSTMENT (ADJUSTMENT
OF
SAWTOOTH
WAVE LEVEL
ON DCO-2)
1)
Turn
on the unit,
then the unit will
be
initialized in
the
PI
(Preset l)mode.
2)
Set
the
unit to Edit mode
and
set the parameters
as
follows.
Parameter
Button
Function Display Data
6
OSC-1 LEVEL 0
7
FREQ RANGE 16
8
DETUNE
50
9
WAVE
1
10
CROSS
MOD 0
11 EG DEPTH 50
13
OSC-2
LEVEL 99
14 CUT OFF
FREQ
99
15 RESONANCE 0
16 EG DEPTH
50
17 KEY FOLLOW
0
18 KEY
VELOCITY 0
19
HPF
0
24
LFO SELECT
2
33
LFO
0
30
EG
SELECT 1
25 ATTACK 0
26 DECAY 0
27 SUSTAIN 99
28 RELEASE
0
31 KEY
VELOCITY 0
32 LEVEL 99
SERVICE
MANUAL AX80
11

Akai AX80 Specifications

General

Brand	Akai
Model	AX80
Category	Synthesizer
Language	English