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CFD-EX35L
• IC Block Diagrams
IC1 TA2149BN
GND1
1
FM RF
FM RF IN
2
AM
AM LOW CUT
3
MIX
FM
FM
MIX OUT
4
MIX
OSC
AM
OSC
VCC2
5
BUFF
BUFF
1/1OR
LEVEL
1/16
DET
AM IF
AF IF IN
6
ST
IF BUFF
FM IF
1/8
FM IF IN
7
SW
GND2
8
AM
DET
IF REQ
AF BUFF
AGC
AGC
9
FM
AF
QUAD
10
DET
ST/MO
R OUT
11
FM/AM
MUTE
VCO
L OUT
12
DIVIDE
DECODE
IC2 LC72137M-TLM
20
19
18
17
FILTER
REFERENCE
PHASE DETECTOR
DIVIDER
CHARGE PUMP
UNLOCK
DETECTOR
SWALLOW COUNTER
1/16. 1/17 4 BITS
12 BIT PROGRAMBLE
DIVIDER
OCB
DATA SHIFT REGISTER
I/F
LATCH
1
2
3
4
5
6
7
IC321 BD3870FS
24
23
22
21
20
19
Treble1
Treble2
Bass2
Bass1
fc=8kHz
fc=8kHz
fo=80Hz
fo=80Hz
0dB-
-87dB
-
Vcc/2
Vcc/2
50k
50k
1
2
3
4
5
6
24
FM RF OUT
23
VCC1
AM RF IN
22
21
FM OSC
AM OSC
20
19
OSC OUT
ST IND
18
17
IF OUT
16
DET OUT
15
MPX IN
14
LPF2/MO-ST
13
LPF1/BAND
16 15 14
13
12
11
POWER
ON
RESET
1/2
UNIVERSAL
CONTROLER
8
9
10
18
17
16
15
14
13
Logic
Vcc/2
Vcc/2
Vcc/2
50k
50k
50k
50k
7
8
9
10
11
12
IC701 LC78646E-E
80 79
78 77 76 75 74 73
APC
PLL
VCEC
PCK
1
SLCO
SLICE
2
LEVEL
SLCIST
CONTROL
EFMIN
3
4
RF
RFVDD
5
6
RFVSS
–
MIX
EQ
AGC
FIN1
7
+
+
8
–
FIN2
–
+
LPF
PH
+
LEVEL SET
BH
TIN1
9
–
TBAL
+
+
10
–
TIN2
–
+
TBAL
+
LPF
+
–
VREF
11
–
LPF
+
+
REFI
12
–
+
13
FE
14
TEC
SW
–
TE
15
MONI
RFMON
16
CONT
TRACK
JUMP
JITTER
JITTC
17
DETECT
SW
SERVO
A/D
PROCESSOR
ADAVDD
18
RAM
19
ADAVSS
TDO
20
34
34
67
65 64 63 62 61
72 71 70
69 68
66
GATE
GATE
GENERAL-
COMMAND
DRF
PURPOSE
INTERFACE
PORTS
CORRECTION
AUDIO CD
C1-1, C2-2
AUTO
8FS
ADJUST
DIGITAL
FILTER
1BIT
DAC
FRAME SYNC DETECT,
PROTECT INSERT,
EFM DECODE
RUPTURE
SUBCODE
DEFECT
DECODE CRC
MONITOR
CLV, CAV
SIGNAL
D/A
CONTROL
SELECTOR
S/H
28 29 30
21 22 23 24
25 26 27
31
32 33 34 35 36
60
DATA
SERIAL
59
DATACK
OUT
58
LRSY
57
ASDFIN
EXTERNAL
56
ASDACK
AUDIO IN
55
ASLRCK
54
16MOUT
RAM
ERROR
53
EFLG
52
C2F
51
XVSS
50
FSX/16MIN
49
XIN
CLOCK
GENERATOR
48
XOUT
XVDD
47
46
RVDD
45
RCHO
44
RVSS
LPF
43
LVSS
42
LCHO
41
LVSS
AUDIO
OUT
37 38 39 40
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