Sony HCD-RX33 - IC Block Diagrams - Main Board ICs

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FM IF REG GND
VCC
FM DET
S-CURVE
TUNING
DRIVE
LEVEL
DET
AM/FM
IF BUFE
ALC
BUFFER
AM
OSC
AM
MIX
AM
RF AMP
AGC
AM DETAM IF
COMP
FM
AM
MUTE DECORDER
STEREO DRIVE
FF
TRIG
PHASE
DET
VCO
AM/FM
SW
PILOT
DET
STEREO SW
3
6 9 122 5 8
11
1
4 7 10
22 19 16 13
23
20 17
14
24 21 18 15
OSC/FMSD
OSC
AFC AM RF SMET AM HPF AF DET MPX VCO MPX IN R OUT
L OUT
PL DET
FM IF
AM MIX REG AM IF GND TU LED ST IND FM DET VCC AM/FM
PH DET
PH DET
XIN
CE
DI
CL
DO
SYC
IN0
IN1
OUT0
OUT1
OUT2
OUT3
SHIFT REGISTER
LATCH
12 BIT
PROGRAMMABLE DIVIDER
SWALLOW COUNTER
1/16 . 1/17 BIT
REFERENCE
DIVIDER
PHASE DETECTOR
CHARGE PUMP
1 / 2
X OUT
VSS
PD2
PD1
VDD
FM IN
AM IN
OUT 6
HCTR
LCTR
OUT 5
OUT 4
UNIVERSAL
COUNTER
7
10
11
12
9
8
6
5
4
3
2
1
13
14
24
23
22
21
20
19
18
17
16
15
IC102 (MAIN BOARD) LA1831
IC103 (MAIN BOARD) LC7218-ST