Read Sony XR-4750RDS / XR-C450RDS Service Manual online
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SECTION 6
DIAGRAMS
• IC Block Diagrams –MAIN Section –
IC1
TB2114F (EL)
VDD
SEEK/RECP
1
2
3 4
5
6
7
8
9
10
24 23
22
21 20
19
18
17
16
15
11 12
14 13
BUFFER
XTOUT
O
SC OUT
CE
DIN
CK
DOUT
SR
I/O-1
I/O-2
OUT-1
OUT-2
OUT-3
AM/FM IF
VDD
FM IN
AM IN
D-GND
FM CP OUT
VT
AM CP OUT
VCC
RF
A-GND
XTIN
BUS INTERFACE
I/O PORTS
OUT PORTS
OSC IN
OR
X'TAL OSC
ON/OFF
REFERENCE
COUNTER
PHASE
COMPARATOR
20BIT
IF COUNTER
2
MODULAS
PRESCALER
12BIT
PROGRAMABLE
COUNTER
AMP
AMP
AMP
+
–
RIPPLE
FILTER
18BIT
18BIT
22BIT
40BIT
SHIFT
SHIFT
RESISTER
REF
VCC
+
–
SIG
SEEK/RECP
4BIT
SWALLOW
COUNTER
PSC
N
DATA
IC3
TDA7330BD-013TR
COSTAS
LOOP
PLL
57kHz
PHASE
DECODER
DIFF
DECODER
CLOCK
RECOVERY
PLL
1.4675kHz
ON/OFF
OSCILLATOR
fx DIVIDER
TEST LOGIC
8th ORDER
SC-BANDPASS
FILTER
2nd ORDER
ANTIALIAS
FILTER
+
–
–
20
19
18
17
16
15 14
13
12
11
10
9
8
6
7
3
4
5
1
2
POR
TM
FSEL
T7
VCC
ARI
OUAL
RODA
ROCL
T57
MPXIN
VREF
CMP
FILOUT
GND
T1
T3
T4
OSCOUT
OSCIN
VCC
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