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SECTION 3
DIAGRAMS
3-1. IC PIN FUNCTION
«IC300 SYSTEM CONTROL IC (uPD78043GF-SOX4072)
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Drives indicator tube.
Q
Drives indicator tube.
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G
Drives indicator tube.
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Drives indicator tube.
Drives indicator tube.
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CI
G
Drives indicator tube.
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Drives indicator tube.
VDD
RDS-CLOCK
RDS CLOCK input.
2 о
1
RDS-DATA
RDS-RESET
LATCH
CLOCK
FUNCTION output for tuner.
D
IF COUNT DATA input.
System RESET input.
"L" when STEREO is received
POWER IN
POWER ON/OFF input.
RDS DATA input.
RESET output for LC7073M.
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A/D Уро
A/D converter power supply.
A/D REF
A/D converter power supply reference voltage.
FUN CV
VOL-
Motor for VOL. "H" when DOWN.
VOL+
Motor for VOL. "H" when UP.
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