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IC1 TA2104BN
r
IC Block Diagrams (Tuner Section)
IC2 LC72137-D
21
22
23
24
2
3
5
4
6
7
8
9
10
1
11
12
13
14
15
16
17
18
19
20
FM
OSC
AM
OSC
BUFF
IF
BUFF
AF
BUFF
BUFF
AM
MAX
FM
MAX
FM
RF
ST
LEVEL
DET
1/8
AMIF
FMIF
AGC
SW
IF
RED
AM
DET
FM
DET
AF
ST/MO
FM/AM
MUTE
VCO
DIVIDE
DECOOE
FM RF OUT
VCC1
AM RF IN
FM OSC
AM OSC
OSC OUT
ST
-IND
IF OUT
DET OUT
MPX-IN
2/MO-ST
LPF1/BAND
GND1
FM RF IN
AM LOW CUT
MIX OUT
VCC
AM IF IN
FM IF IN
GND2
AGC
QUAD
R-OUT
L-OUT
OCB
I/F
2
CE
3
DI
4
CK
5
DO
17
PD
VSS
16
VDD
15
14
MO/ST
21
X OUT
1
NC
22
NC
19
LP-OUT
18
LP-IN
20
X IN
6
NC
7
BAND
8
BAND
9
S
T-IND
10
NC
DATA SHIFT REGISTER
LATCH
UNIVERSAL
CONTROLER
SWALLOW COUNTER
1/16. 1/17 4 BITS
12 BIT PROGRAMBLE
DIVIDER
UNLOCK
DETECTOR
PHASE DETECTOR
CHARGE PUMP
FILTER
REFERENCE
DIVIDER
POWER
ON
RESET
1/2
11
IF-IN
13
FM-IN
AM-IN
12
