Sony CFD-S03CP - Page 32

3232
CFD-S03CP/S03CPL
CFD-S03CP/S03CPL
• IC BLOCK DIAGRAMS
IC1 LV23003VA (MAIN Board (1/3))
1
AM RF-IN
3
FM-MIX
2
REG
6
VCC1
4
GND1
AM
RF
AM
MIX
AM
DET
AM
IF
FM
DET
FM
IF
SD
FF
VCO
FF
FF
ST
TRIG
STSW
FM
MIX
FM
OSC
AM
OSC
OSC
BUFFER
FM
S-METER
DECODER
PHASE
COMPARATOR
MUTE
PROGRAMMABLE
DIVIDER
REFERENCE
DIVIDER
UNLOCK
DETECTOR
SWALLOW
COUNTER
POWER ON
RESET
DATA SHIFT
REGISTER
LATCH
PHASE
DETECTOE
CHARGE
PUMP
UNIVERSAL
COUNTER
5
AM MIX-OUT
7
AM IF-IN
8
FM IF-IN
9
P-DET
10
P-COMP
11
FM-DET
12
L-OUT
13
R-OUT
14
VSS
FM
RF
36
FM RF-IN
35
GND2
34
FM RF-OUT
33
VCC2
30
BO2
29
BO1
32
FM OSC
31
AM OSC
28
LP-OUT
27
LP-IN
23
DET-OUT
15
CE
16
DI
17
CL
18
DO
22
MPX-IN
19
X IN
20
X OUT
21
VDD
26
PD
25
AGC
24
AM LOW CUT
LOW-PASS
FILTER
AGC
IF
BUFFER
PIROT
DET
CCB
I/F
IC402 BA5947FM-E2 (BD83S Board)
IC303 TA8227P (MAIN Board (3/3))
6
L-IN L-NF PREGND L-BS L-OUT CTU
R-IN
R-NF
RIPPLE
R-BS
R-OUT
VCC
5 4 3 2 1
7 8 9 10 11 12
1
LEVEL SHIFT
MUTING
D
15
16
+
–
+
–
DD
17
18
D
19
20
VREF
21
22
23
24
25
26
27
28
PREVCC OPOUT OUTVREF CH4CAPA CH4IN CH3FIN CH3RIN GND MUTE POWVCC CH3OUTF CH3OUTR CH4OUTF CH4OUTR
OPIN–
2
OPIN+
INTERFACE
14
13
D
12
11
D
10
9
8
7
6
CH2FIN
CH2RIN
GND
5
4
CH1FIN
CH1RIN
VREFIN
POWVCC
CH2OUTR
CH2OUTF
CH1OUTR
CH1OUTF
INTERFACE
D D
3
SW
INTERFACE