Read Sony ICF-C773 / ICF-C773L Service Manual online
ICF-C773/C773L
21
• IC BLOCK DIAGRAMS
IC1 CXA1019M
GND
FM DISCRI
NF
VOL
AM OSC
AFC
FM OSC
REG
FM RF
AM ANT
N. C
FM ANT
FE GND
MIX OUT
AF POWER AMP
AM IF DET AGC
AM FE
FM
DISCRIMINATOR
FM FE
TUNING
METER
FM IF
GND
AF OUT
VDD
RIPPLE
FILTER
AF IN
DET OUT
AFC(J) AGC
AFC(W) AGC
IF GND
LED
N. C
FM IF IN
AM IF IN
BAND SW
2
3
5
4
6
7
8
9
10
1
11
12
13
14
15
21
22
23
24
25
26
27
28
16
17
18
19
20
IC102 SM1125-AWV-E2
VSS
VDD
MTO
TEST
OSC
SI
SC
ST
CONTROL
CIRCUIT
7
8
6
5
2
3
4
1
OSC
SW1
MASTER SLICE
DIVIDER
1/128
TEMPO LATCH
TEMPO COUNTER
RHYTHM
COUNTER
ADDRESS
COUNTER
COUNTER
START
ADDRESS
LATCH
SCALE
COUNTER
SCALE
ROM
MAIN
ROM
MULTI-
PLEXER
SW2
1/2 or 1/4
GATE
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