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FROM METER DRIVE
CIRCUIT IN IC SOI
a
IRCUIT
FROM PM METER Oi
RT 301
JAM AUTOMATIC
[3
STOP LEVEL ADJ}
rh
TO TUNER |
(EN/AM SELECTOR)
MEMORY BUSY
nadia
OUTPUT
8
OkHz = > 10 kz
=
0507
5504 15505
15502
15501
al le cle
ole, o
Cbea®hi
me) $5!
S510
ion:
0520.
0506
re
501
ot
O88
8 15
naif
gis]
a
SS
[PUTS LEME
eer
(FWA)
TUNING]
(2) uPD5S3C Port Map
PORT A»
S
POLARITY
*PS21
PORT B<
PORT C4
PORT D
. TUNING LEVEL,
PORT F
{H-~-~ MID)
PORT G<
2 @)———* FM/AM
fl---- FM
0---~ AM
3@
ie
PLL/CX?6! CLOCK OUTIHI NORMAL!
* MUTING CHE ACTIVE)
eau
eee
2 (4)
'o—— PLL LATCH OUT
~ PLLZCX76l
DATA OUT
PORT H«
PCX76!
ADDRESS
OUT
portid i Gi
PCX76) MODE CONTROL OuT
om
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