Akai GX-F71

PIN2 'H'
WHEN IT IS "H': IC4 IS SELECTED ISERCHl
WHEN IT IS "L': IC3 IS SELECTED ISERCHl
PIN 12 to 18 I CYCLE --APPROX. 8 ms
'H'----------------
~LL 4 DIGITS ON
I DIGIT OFF
'H' ...,_LAMP ON
Syscon IC8 Pin ®
data input waveform
POWER ON
LOADING
f------APPROX, 1,02S--"""'"'j
f,-.-APPROX.---j
0,5S
PIN37 to4O STROBE SIGNAL
'H' ---------,
LJ
+ ·- --1-- APPROX. 2mS
LJ
--Jr- APPROX, 0.1 mS
@) 82
LJ
@) B3
IC3@ JCS@ OTHERS....:.+.:::5,:_V ____________________________________ _
PLAY KEY "ON"---~
~LJ~
2msec
IC3@ ICB@
OTHERS
STOP KEY "ON"
1c3@) 1ca@
OTHERS
FF KEY "oN"L
0,8msec
IC3@) ICB@
OTHERS
RWD KEY "ON"
I I
I
I f REC CANCEL "ON")
L __ J
I I
I I
L_..J
fRESET'bN"l
LJ
i
I I
L _ _J
I I
I I
L_..J
' I
: I
L_J
L
Fig. 3
1-7