Rf Unit - Icom IC-4088E Service Manual

11-2 RF UNIT

FI3
C43
CFWM450E
470 P
O I
R32
560 k
R+3
R31
NSCG16 4BH
R29
103KT
15 k
R30
15 k
R34
1.2 k
C46
22 P
C47 R64
68 P 100 k
R+3
SENS
IC3
BH2220FVM
5 4
GND VCC
6 3
DI AO3
7 2
CLK AO2
8 1
LD AO1
J2 AXK5S20340
UNLK
+3V
1 20
CK
MTX-00 _ PSC
2 19
DATA
VCC
3 18
PLS0TB
GND
4 17
DASTB
GND
5 16
DACK
MOD
6 15
GND
AF
7 14
SHIFT
R+3
8 13
T+3
SQLIN
9 12
T+3
SENS
10 11
FI2
R9 R8
C23
FL-298
82 k 1.5 k
0.001
W8
T: 0.00
R: 2.95
Q3
2SC4215 0
+
C72 EP2
0.001 MMZ1608D121B
C: 3.10
IC2
TB31202FN
1 16
FIN1 FIN2
2 15
VCC VCC R43 8.2 k
3 14 W6
CP1 CP2
4 13
GND GND
5 12
LD SW
6 11
CK XIN
7 10
DATA XOUT
8 9
STB BO
+
X2
C70
CR-633A
22 P
C91
R66
100 k 47 P
FC
T: 0.00
R: 2.98
R77
10 k
SHIFT
R67 3.3 k
R 87
33 k
Q13
2SC4213 B
C59
4.7
+
R69
1 M
Q12
2SJ144 GR
R78
47 k
11 - 2
L8 L24
C22 R4
27 nH 5.6 nH
10 P 100 k
W9 1
Q2
2SC4226 R25
T: 0.00
R: 2.00
T: 0.00
R: 2.95
R+3
C61
5 P W5
C41 R25 C40 L17
8 P 27 0.001 18 nH
R39
33 k
C: 2.92
Q9
2SC4117 GR
L22
C57 C53
10 H
12 P 2 P
R41
33 k C50
1.5 P
C56 C51
C52
12 P 0.5 P
2 P Q7
Q8 2SC5108 Y
L23
10 H 2SC5108 Y
FI1
L6 L5
C14 C11
NSVS972
12 nH 18 nH
10 P 0.01
2
Q1
2SC5194
T: 0.00
R: 2.68
T: 2.08
R: 0.00
+
T: 1.80
R: 0.00
C31
33 P
C35 R83
47
5 P Q5
2SC3356
D6 L16 C37
MA2S077
27nH 3 P
Q6
2SC4228 R44
T: 0.79
R: 0.38
R+3
R48
18
+
C: 2.01
L19
82 nH
W4
R49
56 k
Q11
2SC4116 GR
D10
MA2S111
C: 2.99
D11
MA2S111
ANTENNA
C: COMMON
T: TX
R: RX
L3 L2 L1
C7 C6
17 nH 17 nH 15 nH
7 P 8 P
J1
C3 C5
9210B-1-02R-T
1.5 P 0.75 P
1
2
L10
0.82 H
R+3
T+3
L11
T: 1.50
9.5 nH
R: 0.00
C30
33 P
Q4
2SK3078A
VCC
Q10
2SA1586 GR
C: 3.04
R51
10
C: 4.50