Ic Block Diagrams - Sony HCD-VX333 Service Manual

HCD-VX333
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6-24. IC BLOCK DIAGRAMS

IC101 BA1450 (MAIN BOARD)
24 23 22
AM
OSC
VREG
FM
IF
SD
DET
1 2 3
TE
L 13942296513
IC102 LC72130 (MAIN BOARD)
24 22
23 21
SWALLOW COUNTER
REFERENCE
DIVIDER
2
C B
I / F
www
1 2 3 4
.
48
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21 20 19 18 17
AM IF
AM
MIX
AM
AGC
DET
FM LED
DET DRIVER
COMP
4 5 6 7 8
20 19 17 16
18
1/16.1/17 4bits
POWER
REFERENCE
DIVIDER
SWALLOW COUNTER
1/16.1/17 4bits
PHASE DETECTOR
CHARGE PUMP
DATA SHIFT REGISTER
LATCH
x ao
y
5 6 7 8 9
i
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8
16 15 14 13
SD
SW
PD
VCO
DECODER
9 10 11 12
Q Q
3 6 7 1 3
15 14 13
ON 1/2
RESET
C B
I / F
u163
10 11 12
.
2 9 9 4 2 8
1/2
1/2
1 5 0 5 8 2 9 9 4
m
co
9 9
2 8 9 9