23
D-FS18
5-10. IC BLOCK DIAGRAMS
IC1 TA2104BFN
IC301 TA2120FN
24
23
22
21
20
19
18
17
16
15
14
13
DECODE
DIVIDE
VCO
11
10
9
8
7
6
5
4
3
2
1
12
FM RF OUT
RF GND
FM RF IN
AM IF IN
FM IF IN
GND
AGC
QUAD
R-OUT
L-OUT
AM LOW
CUT
MIX OUT
VCC
RF VCC
AM RF IN
FM OSC
AM OSC
OSC OUT
ST LED
IF REQ
DET OUT
LPF1
LPF2
FM
OSC
AM
OSC
AM
MIX
FM
MIX
BUFF
BUFF
FM
RF
AMIF
FMIF
AGC
MUTE
ST/MO
FM/AM
FM
DET
AM
DET
1/8
LEVEL
DET
IF
BUFF
AF
BUFF
AF
IF
REQ
SW
ST
+
–
+
–
+
–
23
20
19
18
17
16
15
14
13
2
3
4
5
6
7
8
9
10
11
12
1
24
BIAS
BEEP
PW
SW
MT
SW
ALC
DET
ATT
SW
PWC
SW
OUT B
OUT A
BEEP
IN
BST
PW
B
PW
C
BST
NF
ADD
OUT
RF IN PWC
SW
OUT B OUT C OUT A
PWR
GND
MIX
OUT
ALC
IN
ALC
DET
ATT
SW
IN A
IN B
GND
MT
TC
MT
SW
PW
SW
BIAS
BIAS
IN
BST
SW
BST
OUT
VCC
ADD
A
ADD
B
21
22
PW
A
ALC
ALC
Summary of Contents for Sports D-FS18
Page 14: ...14 14 D FS18 5 4 SCHEMATIC DIAGRAM TUNER SECTION IC B D ...
Page 15: ...15 15 D FS18 5 5 SCHEMATIC DIAGRAM CD SECTION 1 4 ...
Page 16: ...16 16 D FS18 5 6 SCHEMATIC DIAGRAM CD SECTION 2 4 IC B D ...
Page 17: ...17 17 D FS18 5 7 SCHEMATIC DIAGRAM CD SECTION 3 4 IC B D ...
Page 18: ...18 18 D FS18 5 8 SCHEMATIC DIAGRAM CD SECTION 4 4 IC B D ...