Sony STR-GX415 - System Diagrams; IC Pin Functionality Details

SECTION 3
DIAGRAMS
3-1. IC PIN FUNCTION
¢1C300 SYSTEM CONTROL IC (uPD78043GF-SOX4072)
FUNCTION
Drives indicator tube.
{e)
=
fom Re)
Drives indicator tube.
Drives indicator tube. =
Drives indicator tube.
5V
RDS-CLOCK RDS CLOCK input.
G)
NOPoOl; Rl alalw
RDS-DATA RDS DATA input.
RESET output for LC7073M.
12 RDS-RESET
Qa
FUNCTION output for tuner.
IF COUNT DATA input.
ESET System RESET input.
=
5
al/O}olg z < o/31ola is]
rIa}ia
x)
=
ps)
aera esas re ameeraes)
FOWERT
FUNC SEL Fixed “L”.
Oscillation signal input (4.19MHz)
Oscillation signal output (4.19MHz)
FUN CCW Operates the motor for motor FUNCTION
FUN CW Operates the motor for motor FUNCTION.
Motor for VOL. “H" when DOWN.
VOL+ Motor for VOL. “H" when UP.
30
Q
w
» =
MN o
4
x< Nh
< x< = PS a|/ ua) >
(eo) sa m Clove Oo
, < ZiZzi2 nd}
- of=tn ro)
vu
3 N“