Alpine 7980M - Page 54

7980M
Description of IC Terminal
35246W01 (IC004)
PLL error output terminal: Develops “H” output when OSC
2
NIN IN ITN ITN IN TN IN f= Jo = fo foe foo fas Jeeps
fs fafa fe fe fees [ele] = [ale [s le |e [= [slo fe [-]-]-]- [el] - Te _
s 1o)
(0)
Symbol
cS)
E01 frequency is higher than reference signal, and “L” output when
low. When both are coincided, the terminal is floated.
Power supply terminal
N.C
Lc
C
ae
2
a
DD
FM/AM VCO input terminal.
High level input during ignition on.
VCOH
2m <
a
Vop
2 a
MONO
2
(a)
2
(a)
w||o al
A
AM IF
a m
FM IF
Output terminal for communication command sync signal
to microcomputer.
DTS mute output terminal.
High during local seek tuned in.
X'tal element (4.5MHz) connection terminal.
N.C.
STS
=
START
oO
x<
f=)
x
a 2
z é
(a) iS) Pa
High during tuner tuned in
FM/AM switching
TUN-ON
o
w
ive]
N
B =
—68—