Ic Block Diagrams - Sony CFD-C1000 Service Manual

• IC Block Diagrams

IC2 LA1833L
24 23
ALC
AM AM
OSC MIX
BUFFER
AM/FM
IF BUFF
LEVEL
DET
FM IF
1 2
IC3 LC72131D
20 19 17
18
CHARGE PUMP
REFERENCE
DIVIDER
CCB
INTERFACE
2 3 4 5
1
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22 21 20 19 18
AM
RF AMP
AGC
AM IF AM DET
COMP
TUNING
DRIVE
S-CURVE
FM DET
REG GND
3 4 5 6 7
16 15
PHASE
DETECTOR
POWER
UNLOCK
ON
DETECTOR
RESET
SWALLOW COUNTER
1/16, 1/17 4BITS
12BITS
PROGRAMMABLE
DRIVER
DATA SHIFT REGISTER LATCH
6 7 8 9
10
17 16 15
VCO FF FF
30KHz 30K PFK
P-DET
VCC
8 9
14 13 12 11
1/2
UNIVERSAL
COUNTER
– 43 –
14 13
DECODER
PILOT
CANCEL
STEREO
SW
FF PILOT
CWK 0 DET
10 11 12