Ic Block Diagrams - Sony XR-C5080R Service Manual

• IC Block Diagrams – MAIN Section –
IC1 TB2114F (EL)
24 23 22 21 20 19
RIPPLE
FILTER
+
–
VCC
SEEK/RECP
REF PHASE
COMPARATOR
REFERENCE
18BIT
COUNTER
18BIT
OSC IN
OR
ON/OFF
X'TAL OSC
BUFFER
BUS INTERFACE
3 4 5 6
1 2
IC3 TDA7330BD-013TR
20 19 18
2nd ORDER 8th ORDER
ANTIALIAS SC-BANDPASS
FILTER
FILTER
VCC
2 3
1
18 17 16 15
+
–
AMP AMP
SEEK/RECP
PSC
4BIT 2
SWALLOW MODULAS
COUNTER PRESCALER
12BIT
SIG
PROGRAMABLE
COUNTER
40BIT
22BIT SHIFT
IF COUNTER
RESISTER
N
I/O PORTS OUT PORTS
DATA
7 8 9 10 11 12
17 16 15 14
COSTAS
+
LOOP
PLL
–
57kHz
TEST LOGIC
5 6 7
4
14 13
VDD
AMP
20BIT
13 12 11
DIFF
PHASE
DECODER
DECODER
CLOCK
RECOVERY
PLL
1.4675kHz
ON/OFF
OSCILLATOR
fx DIVIDER
8 9 10
– 31 –