Diagrams - Sony XR-4750RDS Service Manual

QQ
3 7 63 1515 0
• 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
ANTIALIAS SC-BANDPASS
FILTER
VCC
1 2
www
.
http://www.xiaoyu163.com
19 18 17 16
+ +
– –
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 OUT PORTS
I/O PORTS
DATA
3 4 5 6 7 8 9 10
18 17 16 15 14
COSTAS
+
LOOP
– PLL
FILTER
57kHz
TEST LOGIC
3 4 5 6 7
x ao
y
i
http://www.xiaoyu163.com
SECTION 6
8

DIAGRAMS

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
CLOCK
RECOVERY
PLL
1.4675kHz
ON/OFF
OSCILLATOR
fx DIVIDER
8 9 10
u163
.
– 19 –
2 9 9 4 2 8
1 5 0 5 8 2 9 9 4
m
co
9 9
2 8 9 9