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CFD-S03CP/S03CPL
Q Q
3 7 6 3 1 5 1 5 0
• IC BLOCK DIAGRAMS
IC1 LV23003VA (MAIN Board (1/3))
AM
AM RF-IN
1
RF
2
REG
FM
FM-MIX
3
MIX
GND1
4
AM
AM MIX-OUT
5
MIX
6
VCC1
AGC
7
AM IF-IN
AM
AM
IF
DET
FM IF-IN
8
FM
FM
IF
DET
FM
S-METER
IF
T E
BUFFER
L
1 3 9 4 2 2 9 6 5 1 3
PIROT
P-DET
9
DET
FF
FF
P-COMP
10
COMPARATOR
FM-DET
11
L-OUT
12
DECODER
R-OUT
13
VSS
14
UNIVERSAL
COUNTER
DATA SHIFT
REGISTER
CE
15
LATCH
DI
16
CCB
I/F
CL
17
DO
18
w w w
CFD-S03CP/S03CPL
FM
36 FM RF-IN
RF
35 GND2
34 FM RF-OUT
33 VCC2
FM
32 FM OSC
OSC
AM
31 AM OSC
OSC
30 BO2
29 BO1
OSC
BUFFER
LOW-PASS
28 LP-OUT
FILTER
27 LP-IN
26 PD
25 AGC
24 AM LOW CUT
23 DET-OUT
SD
ST
TRIG
STSW
FF
PHASE
VCO
MUTE
22 MPX-IN
POWER ON
21 VDD
RESET
PROGRAMMABLE
DIVIDER
SWALLOW
COUNTER
PHASE
DETECTOE
UNLOCK
CHARGE
DETECTOR
PUMP
20 X OUT
REFERENCE
19 X IN
DIVIDER
x
a o
.
i
http://www.xiaoyu163.com
IC402 BA5947FM-E2 (BD83S Board)
28
27
1
Q
Q
3
7
6
IC303 TA8227P (MAIN Board (3/3))
6
7
u 1 6 3
y
32
32
http://www.xiaoyu163.com
2
4
8
9
9
26
25
24
23
22
21
20
19
18
MUTING
D
+ –
INTERFACE
INTERFACE
INTERFACE
VREF
D
2
3
4
5
6
7
8
9
10
11
3
1
5
1
5
0
8
9
5
4
3
2
1
m
8
9
10
11
12
c o
.
2
8
9
9
17
16
15
D
D
D
LEVEL SHIFT
D
D
D
12
13
14
2
4
9
8
2
9
9
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