Icom IC-F420S - Page 38

C22
6p ( L-band )
5p ( ML,H-band )
4p ( MH-band )
R11 220k
C309 47p
C19 0.001
T1
D7 HVU350
C23
2p (L-band )
.5p (ML/MH-band)
L7 15nH
L8 15nH
R12 10k
C28
1.5p ( L-band ) 0.5p (ML/MH-band)
C25
C24 1p ( L-band ) 0.5p (Other)
R13
220k
C27
47p
D8 HVU350
14
0
k
C26
7p ( L-band ) 6p ( ML-band ) 5p ( MH/H-band )
C20
1.5p
D6 1SS352
R10 4.7k
C21 47p
Q1
DTA144EU
RFATT
C315 47p C314 47p
D5 MA77
C18 2.5p
L5
Y655LY-03K=P3
D4 MI809
C17
L4
D3
MI407 ( )
UM9410F ( )
L6
LW-25
C16 470p
R9 220
R8 220
C15 47p
C13
47p
C12
L3
LA-382
C10
C11 2p ( L-band )
1p (Other)
L2
C8 0.001
C7 7p
R4 47
FOR
REV
C3
0.001
R5 100
R2 100
D1
MA713
R6 100 R3 100
C6 0.001
C5 0.001
L1
R1 100k
R7 47
W2
ANTENNA
J1
3
.
3k
7
p
R78 1.5k
C112 0.001
R75 100
Q20
2SC5107
R76 22
L20 18nH
C111 0.001
C109
C108
W7
C110 0.001
C297 47p
C107 470p
D17
DA221
C105 470p
R71
Q19
2SC4703
L18 22nH
C103
C102
R72
C324 47p C104 470p
R74 220
R73 2.2k
R70 2.2
C336 47p
L19
15nH
C304 12p
C100 22
C99 47p
C98 0.001
L17
18nH
C101
EP2
IC5
C286 47p C285 0.001 C97 47p C96 0.001 C344 0.001 C343 0.001 C95 22 C337 2.2
C93
L16
LA-242
LA-232
C91 4.7
Q18
2SB1143
R67 4.7k
R69
150
C92 10 C90 0.1
Q17
2SC4081
R66 68k
R65
68k
C89 0.001
7
6
5
R64
150k
C87
47p
R273 820k
C88 0.022
TMUT
D30 MA111
C86 47p
R62 18k
R271
10k
R63
1M
R61
C85 0.001 C302 0.001
Q29
2SC5107
R131
220
R132 180k
C159
2p
C158
12p
C157 470p
Q28
2SC5107
L28 27nH R130 150k
10 R129
C156 470p
R128
10
C295 0.1 C145 47p
C144 0.001
Q23
2SC5110
C146 0.5p
L24
1H
R118
1k
Q24
DTC114EU
Q27
DTC144EU
C296 0.1
C341 0.001
TXC
Q26
DTC114EU
C340 0.001
R126
560
L27
1H
C155
0.5p
0.001 C346
W9
C154 47p
C153 0.001
Q25
2SC5110
R123 4.7k
R124 4.7k
C151
5p (L-band) 2p (ML-band) 8p (MH-band) 3p (H-band)
C152
8p (L/MH-band) 4p (ML-band) 3p (H-band)
C143
R117 1
R116 6.8k
R115 6.8k
C142 10p (L-band) 6p (ML-band) 5p (MH-band) 3p (H-band)
12p (L-band) 8p (ML-band) 6p (MH-band) 5p (H-band)
C139
8p (L-band)
6p (ML-bannd)
4p (MH/H-band)
R125 10
L23
MC152-E558ANA-100051=P3
C141
18p (L-band)
15p (ML/MH-band)
12p (H-band)
R275 1k
D34 HVU350
D20 HVU350
L22
0.56 H
R114
10
C148
5p (L/MH-band)
4p (ML/H-band)
C149
R274 1k
D33 HVU350
D22 HVU350
L25
0.18 H
R121
47
L26
MC152-E558ANA-100051=P3 (L/ML-band)
MC152-E558ANA-100050 (MH/H-band )
C150
10p (L-band)
8p (ML-band)
15p (MH-band )
4p (H-band)
R276
C147
1p
R120 100k
D21
1T365
R122 10k
C138 0.001
C188 4.7 C137
470p
C293 0.001
R260 8.2k (MH-band) 12k (Other)
C
169
1
2p
R127 4.7k
+
-
1
8
2
3
4
C332 47p
R154 100
C183
0.1
R254 470k
C306
47p
R193 470k
R143 1k
C177 0.001 C178 47p
R209 100k
D27
MA111
VCON
GND
X2
CR-601
VCC
OUT
1
2
4
3
R267 270k R186 100k
C206 10
C212 4.7
R182 10
C211 0.1
C215 8p
R184
2.7k
C214 8p
C208
0.0047
C209 0.001
C210 2.2
L34
18nH
R191 56
C213
0.001
20 19 18 17 16 15 14 13 12 11
GND1
IN2
VCC2
XB
XI
XO
GND2
CP2
FI2
FO2
1 2 3 4 5 6 7 8 9
10
VCC1 IN1 ENB CLK DATA T1 LOK CP1 FI1 FO1
IC10
PD3140GS
C318 10p
C205 0.001
C198 10
R178 100k
C216 22p
R188 1k
R189 1k
R190 1k
PLST
SCK
SO
UNLK
R187 1k
C217 22p
C218 22p
C219 0.001
C207 470p
C316 47p C299 47p
LVIN
R185 100
R177
68k
CP1
C200 0.001
Q33
2SK880
Q40
2SJ144
C199 0.001
R175 10k
R176 1M
R181
1k
C204 0.47
Q34
2SK536
C203
0.47
R179
1k
R180
10k
C201 0.1
C202
0.022
R174 470
J6
HV
GND
HORN
GND
AFO
GND
DISC
GND
IN
GND
PTT
J5
HV
DIM
C233 0.001
C235 0.001
AFO
C289 0.001 C288 0.001 C287 47p C234 0.001
DIMIN
HORNO
Q38
DTC144EU
Q39
DTC144EU
R207
1k
C237
1
EXPTT
DET
R257
47
R208
10k C236 0.1
IC4b
NJM2904M
W10
W12
W11
+
-
Q16
DTC144EU
C94
C14
C9 C2 C1
7p (L/ML-band)
5p ( P -MH)
6p ( L -MH,H-band)
CHASSIS
( only)
R68 1.2k
T4
10
1p (MH-band only)
3.5p (H-band only)
8V
IC7a
NJM2904M
to
DC FAN
to
Optional
OPC-617
0.75p (H-band) 1p (Other)
2P (H-band)
8p (Other)
Y655LY-02M=P3
(H-band)
Y655LY-03K=P3
(Other)
LA382 (H-band)
LA232 (Other)
LA-382 (H-band)
LA-232 (Other)
SC-1322 ( P -L)
R119
NOTE;
-L :PMR L-band -L :LMR L-bandP
L
L
P -ML:PMR ML-band
-ML:LMR ML-band
-ML:PMR MH-band -MH:LMR MH-band
L
P
-H :LMR H-band
L
-H :PMR H-band
P
L
P
L
9p (L/ML-band) 6p ( P -MH) 8p ( L -MH,H-band)
5p (L/ML-band, L -H) 4p ( P -MH/H)
3p ( L -MH)
7p (L/ML-band)
5p ( P -MH)
4p (H-band)
(L/ML-band, L -MH)
( P -MH,H-band)
6p ( L -MH)
2.7k (ML-band)
3.3k (Other)
22k (H-band) 18k (Other)
2p ( P -H)
7p (L/ML/MH-band)
5p (H-band)
6p (Other)
8p (H-band)
10p (Other)
7p (H-band)
8p (Other)
33 (Other)
5p (Other)
3p ( P -L/ML)
4p ( L -ML,MH/H-band)
6p ( L -L)
47 ( P -L)
39 ( P -ML/MH)
22 ( L -H)
47 ( P -L/ML)
39 ( P -MH/H)
33 ( L -L/ML/MH)
27 ( L -H)
5p ( P -L/ML/MH)
3p ( L -MH,H-band)
4p ( L -L/ML)
3p ( P -L/ML, L -L)
5p ( P -MH)
2p (H-band)
6p
4p ( P -H)
6p ( L -ML)
4p ( L -MH)
SC-1323 ( P -ML/MH)
SC-1324 ( P -H)
SC-1236 ( L -L)
SC-1237 ( L -ML)
SC-1325 ( L -MH)
SC-1326 ( L -H)
MEASUREMENT CONDITIONS
DIGITAL MULTIMETER
INTERNAL RESISTANCE:50k‰/V
IC-F420/420S(LMR):f=460.1MHz,TX POWER=35W
IC-F410/410S(PMR):f=455.1MHz,TX POWER=25W
VOLTAGES INDICATED WITH(*)MARK ARE
CHANGED WITH THE FREGUENCY AND POWER.
V
V
5
V
RX:2.3 V
TX:0.7 V
RX:0 V
(*)TX:3.2 V
RX:2.8 V
(*)TX:11.5 V
RX:13.3 V
(*)TX:2.1 V
RX:0 V
(*)TX:2.8 V
RX:2.7 V
(*)TX:0 V
RX:2.9 V
(*)TX:2.9 V
RX:0 V
6.8 V
3.4 V
6.8 V
0.7 V
0.7 V
2.8 V
(*)TX:9.1 V
RX:0 V
TX:8.9 V
RX:0 V
TX:7.4 V
RX:0 V
TX:1.7 V
RX:0 V
7.6 V
(*)TX:3.3 V
RX:3.2 V
(*)TX:2.8 V
RX:2.7 V
1.0 V
1.9 V
0.34 V
p-p
2.5 V
0 V
5.0 V
5.0 V
2.4 V
2
.2 V
0 V
V
15.3 MHz
RX:2.9 V
3.4 V
6.4 V
COMPLETE VIEW