Akai AA-R22/L

That is, in order to display the letter of PHONO,
AUX or TUNER, the data may be output so that S6,
S5, S4 and SI; S6, S4 and S2, or S6, S5 and S3 are
lit respectively.
Since the data from the micro-computer includes
only one
data each to become "H" in AUX, TUNER
AND PHONO,
it is resolved as follows.
IC I
AA-100
AUX: H SEG2
TUNER: H SEG I
PHONO:H SEGO
IC 4 l,2
LBl290
FLO DRIVE
I'- ID II')
II') II') II')
a: a: a:
PHONO
SI
Fig. 1-28
85 84 82 89 88 86
54 $5 56 s, 52 53
FLO
Fig. 1-29 Resolve Circuit of Data
------------SERVICE MANUAL AA·R22/L, AA-R32/L, AA-R42------------
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