Icom IC-F43TR Service Manual page 32

A
VCC
B T5V
S5V
+5V
C404 0.01
R103 220 k IC24
R104 100 k 5
TA75S01F
REF 3
R516 100 k
1
2
C211
1 5
4.7
BAL 2
3 4
IC25
TC7S66FU
C
LVIN
+5V
EP6 IC21
LMX2352TM
24
OUT1
23
VCCIF
22
VPIF
21
CPOIF
20
GND
19
FINIF
18
FINRF
17
GND
PLST R345 1 k 16
LE
SO 15
R346 1 k
DATA
SCK R347 1 k 14
CLOCK
ULCK 13
R348 1 k
IF_EN
R359
ERJ2GE–JPW
S5V
+5V
D
R5V
T: 0.0
R: 0.3
C161
C163
10 P 4 P
Q22
2SC4116 BL
*3 MULTI
SQLC
VCC
+5V
R5V
S5V
T5V
E
+5V
X2
CR–781
1 4
VCON VCC
REF
2 3
GND OUT
4
R108 C156
470 100 P
15.3 MHz
1.2Vp-p
R95
1.5 k
1
CUTO
2
VCCRF
3
VPRF
4
CPORF
5
GND
6
FINRF
7
FINRF
C390
8
GND
9 47 P
OSCX
10
OSCIN
11
FO/LD R110
12
RF_EN 100 k
T: 0.0
R: 4.8 X1
CDBC450CX24
R39
47
C166
3 P IF IC
IC9
TA31136FN C61
100 P
FI2
1 16
CFWM450F OSCIN MIXIN
2 15
OSCOUT GND 0.001
3 14
I O MIXOUT
N–REC
4 13
C393 0.1 VCC N–DET C62
5 12 Q7
IFIN RSSI 82 P
6 11 2SC4215 O
DEC IFOUT
7 10
FILOUT QUAD
IF AMP
8 FILIN 9
AFOUT
R44
T: 0.0
47 k
R43
C394 47 R: 4.8
0.1
C69 C188
0.0012
R45 18 k 0.001
T: 0.8
R: 1.2
R5V
S5V
T5V
VCC
T5V
Q20 C: 4.0
RX VCO
2SC4116 BL
R85 R79
6.8 k 6.8 k
Q21
C126 R304
2SK880 Y
12 P
ERJ2GE–JPW
R89
Q17
10 k
2SC4226 R25
CP1
L42
1.8 H
L28
1.8 H
R83 6.8 k
R84
6.8 k R82
ERJ2GE–JPW
C123
18 P[L]
15 P[H]
Q16
L43
2SC4226 R25
L27 1.8 H
1.8 H
R90 470 k
R86
C150 1
220 k
L32
18 nH R111 R124
470 k 470 k
R5V
R31
100
T: 0.0
R: 4.4
T: 0.0
R: 4.8
Q6
3SK299 U73 C41
15 P
MIX
FI1
R32 C51
FL–313
ERJ2GE–JPW 0.001
C58 R33
4 1
2 GND IN
150 T: 0.0
3
OUT GND
R: 0.9
VCC
+5V
8
8
V+ V+
GND
GND
4 4
T: 0.0
IC23
IC19 R: 4.9
LM2904PWR
LM2904PWR
Q24
2SA1577 Q
T: 5.0
R: 0.0
C: 3.6
C: 3.8
T: 1.6
C102 C100
R: 1.4
5 P
10 P
TX VCO
Q15
Q14
2SC5006
2SC5006 Q29
2SC5006
5 1
Q18
2
XP1214
4 3
L48 R88
0.82 H 680
T: 1.5
R: 1.6
Q19
UNR9213J
+5V
R5V
R172
10 k
C182
0.001
C186
0.1
L46 C183
C49
27 nH
15 P
5 P
T: 0.0
R: 4.6
Q5
C40
0.3 P 3SK293
C29
10 P
T: 0.0
R: 0.6
RF AMP
T: 0.0
R: 1.8
R22 10 k
C: 6.9
Q26 2SB1132 Q
Q25
2SA1577 Q
C: 5.0
IC17
NJM2870
MP1
Q27
XP6501 AB
Q28
UNR9113J
11 - 2
[H]: High–band. [L]: Low–band.
Q2
TPC6103
VCC VCC T5V
T5V
APC
T: 2.0
TX
R: 0.0
D16
1SV307
J6
IMSA–6176S–03A
5
P–DET
Q3
D5
3
UNR9213J
DAN202U GND
2
VCC
1
4
T5V
T: 0.0
R: 2.0 T: 0.0
R: 5.0
C79 0.1
D29
MA2S111
R8 470 k
R5
5
68 k
3 APC
4
1
R9 270
IC16
2
TA7BS01F
AGC
Q4
2SK1829
R174
470 k
C25
C22 2 P 6 P RX
CP53
CP58
R13
100 k
R303
10 k
R302
100 k
R360
10 k
NOTES :
Voltage line
Contorol line
TX line
RX line