Table of Contents
Advertisement
IC801 TA8227P
VCC2
VCC1
1
12
IN1
6
+
OUT1
CH-1
_
NF1
5
Ω
45
Ω
30k
BIAS CIRCUIT
RIPPLE
PW-
9
THERMAL SHUT DOWN
GND
PROTECTION CIRCUIT
IN2
7
+
OUT2
CH-2
_
NF2
8
Ω
45
Ω
30k
Pre-GND
4
IC201 TA2111N
FM RF
AM RF
FM
AM
AFC
OUT
RF Vcc
IN
OSC
OSC
2 4
2 3
2 2
2 1
2 0
1 9
AM
FM
OSC
OSC
AM
MIX
FM
FM
RF
MIX
AGC
2
4
5
6
1
3
RF GND
AM
MIX
AGC
Vcc
FM RF
IN
LOW CUT
OUT
IC103 TA2092N
1
PW GND
B.S.1
3
OUT(-)1
-
2
2
PV CC1
3
4
OUT(+)1
+
V
5
IN1
V RI
6
V
7
CI
V
8
IN2
11
OUT(+)2
9
+
B.S.2
PV CC2
10
10
OUT(-)2
11
-
12
PW GND
DET
MPX IN
OUT
LPF2
LPE1
L-OUT
1 8
1 7
1 6
1 5
1 4
AF
DECODE
VCO
DIVIDE
AF
BUFF
ST / MO
FM
FM / AM
MUTE
AM
FM
LEVEL
DET
DET
DET
ST
TUN
AM
FM
LED
LED
IF
IF
8
9
1 1
7
1 0
AM IF
GND
ST
FM IF
TUN
IN
IN
LED
LED
27
24
PW GND
-
23
OUT(-)4
22
PV CC4
21
+
OUT(+)4
V IN4
20
SV CC1
19
18
SGND
17
V IN3
+
16
OUT(+)3
PV CC3
15
-
14
OUT(-)3
13
PW GND
R-OUT
1 3
IC301 LS22241
Channel1
MUTE
+
1 2
ALC
QUAD
2
3
1
4
NF1
IN1
OUT1
GND
ALC
IC102 TA2109F
Ω
15k
15k Ω
5BAD
13
µ
50k Ω
20 A
36pF
FEO
14
10k Ω
7.96k Ω
FEN
15
10k Ω
VRO
16
21k Ω
21k Ω
µ
50 A
RFRP
17
12k Ω
12k Ω
RFIS
18
Ω
20k
PEAK
RFGO
19
BOTTOM
RFGC
20
Ω
12k
Ω
23.5k
AGCI
21
Ω
re=130k
180k Ω
RFO
22
40pF
GND
23
1.53k Ω
RFN
24
IC501 UTC6650
4
Channel2
6
9
5
7
8
10K
V
Out2
IN2
NF2
CC
7
28
Ω
30k
10k Ω
7.67kΩ
TEO
10k Ω
12
10kΩ
20pF
TEN
11
29kΩ
21kΩ
2VRO
10
24k Ω
24k Ω
TEB
9
3 STATE
DET.
47k Ω
SW1
SEL
1.74k Ω
LDC
8
1k Ω
SW2
LDO
7
680Ω
SW3
180k Ω
MDI
2.12k Ω
13k Ω
6
20pF
TNI
5
180k Ω
20pF
TPI
4
20k Ω
FPI
3
60k Ω
20k Ω
20k Ω
60k Ω
FNI
2
20k Ω
Vcc
1
1
2
3
Reference
Voltage
1K
+
-
8
6
5
Advertisement
Table of Contents
