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VSX—3300
8. IC INFORMATION:
PDGO023
(MICROCOMPUTER)
Terminal
BE
Sc
es
ae
ae
} 1 |
vou. IND
| ° | POWER ON
| L_._[ VOLUME indicator to go on.
When
the terminal
voltage
remains
low for mare
than
60 ns, this
terminal
enters
the backup
made.
. WAKE
UP
POWER
ON
When
the terminal voltage becomes
high, this terminal
returns to its original
a
| REMOTE IN |
| REMOTE IN |
| L
| Remote contre) signal input.
a
CLOCK
This
terminal
outputs
"CLOCK"
for
control
signals
directed
to
I€201
(TC9164N)
and
IC103
(LM7001).
;
.
DATA
This
terminal
outputs
"DATA"
for
control
signals
directed
to
IC201
(TC9IG4N)
and
IC103
(LM7001).
,
When
the output
of IC102
(ANT470P)
pin 9 in the
tuner: unit
is low, this
| 6 froxes sraneo| 1 | BROT.
PORT.
at terminal
causes
the FL
display
stereo
indicator
ta go on.
When
the output
of IC101
(LA1265S)
pin 8 in the
tuner
unit
is low, this
PRREe STOP
ut
SORT
terminal causes the FL display tuner indicator to go on,
KEY
MATRIX
Detects
the tact
switch
position.
.
aoe Eee
OUTPUT
When
the
VIDEO
signal
is selecting
While
a control
signal
(DATA)
is
transmitted
to
IC103
(LM7001}
KEY
MATRIX
INPUT
Ca [ooo
fom o _[» [mea OO wm
Immediately
after
transmitting
DATA
to IC201
(TC9184N)
FUNCTION
Instantaneously
becomes
high
after
transmitting
a
control
signal
to
IC STROBE
FUNCTION
IC201
(TC9164N)
When
the system
is in the FM
"MONO"
made
When
the
SIMULATED
STEREO
is operating
TUNER
AUTO
MONO
SIMULATED
STZREO
When
the VOLUME
contre]
is operating
a
This is power
supply
terminal
for a resistor
(incorporated
in IC701) to pull
down
control
terminals
33 to 56 for SEGMENT
and
GRID.
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