Sony CFD-C1000 - IC Block Diagrams; IC2 LA1833 L; IC3 LC72131 D

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• IC Block Diagrams
IC2 LA1833L
IC3 LC72131D
AM IF
REG
AM MIX
24 23
FM IF
FM DET
ST IND
TU LED
GND
BUFF
VCC
PH DET
AM/FM
OSC/FMSD OSC
22
AFC
21
AM RF
20
SMET
19
AM OUT
18
FM OUT
17
MPX VCO
16
MPX IN
15
M OUT
14
R OUT
13
L OUT
1 2 3 4 5 6 7 8 9 10 11 12
FM IF
FM DET
S-CURVE
AM IF AM DET
DECODER
PILOT
CANCEL
PILOT
DET
FF
CWK 0
FF
PFK
FF
30K
VCO
30KHz
STEREO
SW
P-DET
COMP
BUFFER
LEVEL
DET
TUNING
DRIVE
AM/FM
IF BUFF
AM
OSC
AM
MIX
AM
RF AMP
ALC
REG GND
VCC
AGC
PHASE
DETECTOR
CHARGE PUMP
SWALLOW COUNTER
1/16, 1/17 4BITS
12BITS
PROGRAMMABLE
DRIVER
UNIVERSAL
COUNTER
REFERENCE
DIVIDER
POWER
ON
RESET
1/2
CCB
INTERFACE
1
2
3
4
5
6
7
8
9
16
15
14
13
12
11
10
17
18
1920
XOUT
VSS AOUT AIN
PD
VDD FMIN
AMIN
XIN
DO
CL
DI
CE
IFIN
IO1
BO4
BO3
BO2
BO1
IO2
UNLOCK
DETECTOR
DATA SHIFT REGISTER LATCH
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