32
32
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
+
–
+
–
D
D
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
