Akai AA-R22/L

3. KEY MATRIX AND TIMING CHART OF SIGNAL FOR DISPLAY SELECTION BLANK PERIOD
PIN NO
OF AT-6OO
@
INT
I
I
I
I
I
I
I
I
I
@r1
_jJ
I
: I
L
I
I
I
I
I
I
I
I
r-
@ T2
: I
I
I
I
I
I
I
I
I
I
I
I I
@) T3
I
: I
~
I
I
I
j
I
I
I
I
I
: I
@) T4
I
I
I
I
I
I
@rs
I
I
I
I
I
I
I
I
I
I
I
@rs
7
I
I
i I
I
I
I
I
I
I
I
11
I 1.67m sec I
BLANK PERIOD
11
IE .. 1
>j IE
'
I
l.67X6= IOm sec
I
Fig. 1-32
4. FREQUENCY DISPLAY SEGMENT DATA (WHEN FREQUENCY IS 98.00MHz)
PIN NO.
@c
@e
I l1/1r]t1
8 I l!IICIC.7
-~ LL l _ l
T6 Tl T2 T3T4 T5 - - -. II -
__ J L_
·r-7-·-11··-11·
_ _J L __ J L __ J L_
·r-7·-·r7···11·
_ _j L __ J L __ J · L_
·r-7·-·17_···r7-
_J L__ __J L _
_ -_n_·_-_n_-_·_n_
_-_n_-_-_n_-_·_n_
L_-'L _-'L_J
Fig. 1-33
-----------SERVICE MANUAL AA-R22/L, AA-R32/L, AA-R42-----------
23