Sony XR-C550RDS Service Manual page 19

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• IC Block Diagrams – MAIN SECTION –
IC1 TB2114F (EL)
24 23 22 21 20
RIPPLE
FILTER
VCC
SEEK/RECP
REF
REFERENCE
COUNTER
OSC IN
OR ON/OFF
X'TAL OSC
BUFFER
1 2
TE
L 13942296513
IC3 TDA7330BD-013TR
20 19
2nd ORDER 8th ORDER
SC-BANDPASS
ANTIALIAS
FILTER
VCC
2
1
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19 18 17
+ +
– –
AMP
SEEK/RECP
PSC
4BIT 2
SWALLOW MODULAS
COUNTER PRESCALER
12BIT
PHASE SIG
PROGRAMABLE
COMPARATOR
COUNTER
40BIT
18BIT
22BIT SHIFT
18BIT
RESISTER
N
BUS INTERFACE I/O PORTS OUT PORTS
DATA
3 4 5 6 7 8 9 10
18 17 16 15 14
COSTAS
+
–
FILTER
57kHz
TEST LOGIC
3 5 6 7
4
x ao
y
i
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8
16 15 14 13
VDD
AMP AMP
20BIT
IF COUNTER
11 12
Q Q
3 6 7 1 3
13 12 11
DIFF
PHASE
DECODER DECODER
LOOP
PLL
CLOCK
RECOVERY
PLL
1.4675kHz
ON/OFF
OSCILLATOR
fx DIVIDER
8 9 10
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1 5 0 5 8 2 9 9 4
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co
9 9
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