Sony ICF-SW07 Service Manual page 42

IC Block Diagrams (MAIN Section)
r
IC403 LA5002M
8 7 6 5
WAKE
REF.
UP
VOLTAGE
1 2 3
IC301 LA3335M
10 9
DECODER
STEREO
SWITCH
FF 90º
PHASE
COMPALATE
1 2
IC201 CXA1376AM
30
ERROR
AMP
4
1
8 6
7
LAMP
SYNC
TRIGGER
DET
FF 1/2 FF 0º
V.C.O VCO STOP
3 4 5
29 28 27 26 25 24
PSN CONTROL
LPF SYNC DE ENV DET
METER AGC
2 3 4 5 6 7
IC302 CXA1622M
IN1 REG VOL
16 15 14
REG VOL
1
2 3
IN2 BW NC
– 63 –
23 22
21 20 19 18
AM FE
FM FE
AM IF
FM DEM FM LIM
AM VCO
FM IF
8 9
10 11 12 13
NF1 GND1 P-GND1 OUT1
13 12 11 10
POWER
PRE
AMP1
AMP1
PRE
POWER
AMP2 AMP2
4 5 6 7
NF2 GND2 P-GND2 OUT2
17 16
REG
14 15
VCC
9
8
REPPLE