Icom IC-F50 Service Manual

SECTION 11 VOLTAGE DIAGRAM
11 - 1
11-1 MAIN UNIT
Voltage line
NOTES :
Common line
TX line
RX line
VCC
S5V
+5V
C211
4.7
R102
22 k
R103 120 k
13
14
EP3
X2
CR–763
R104
220 k
R105
330 k
C149
0.001
C155
47 P
R94
150 k
C140
0.1
C154 47 P C153 47 P C152 47 P
C151 0.1
C213
0.1
BAL
REF
LV IN
T5V
12
R108 10 k
C157 10 P
C156
0.001
C158
0.1
C159
0.001
CP1
R101
1 k
C141
0.001
R100
47 k
C137
0.01
D16
HVC350B
L25
10.5 nH
R98
2.2 k
C148
10
C132
0.001
C143
0.001
R96
3.9 k D 2.7 k C
C146 0.47
C138 0.001
C144 47 P
R90
470 k
C150 1
D17
HVC350B
L26
7.5 nH
C129
0.5 P
R86
10
R114
100 k
C203
0.001
C202
0.1
D21
HVC350B
C134
12 P C 15 P D
C136 0.1
C135
0.001
C114
5 P C
12 P D
C115
4 P C
10 P D
C122
4 P C
12 P D
R77 10 k
C111
47 P
MP7
C103 2 P
C104 0.001
C139
0.1
EP1
L22
22 nH
R74
100 k
C110
470 P
R73 100
R76 100
C109
0.001
C112
0.001
R71
47 k
L21 33 nH
R70 10
C108
0.01
R68
10 k
C106 47 P
R65 100
C99
0.001
R67
100
R66
15 k
R69
4.7 k
D15 MA2S077
L41
33 nH
R75
150 k
C105
0.001
C117
470 P
C121
5 P C 8 P D
C120
470 P
C119
0.01
D22
HVC350B
C133
12 P C 15 P D
C145
47 P
D18
MA368
C130
0.047
C147
1
R109
56
C208
7 P
C206
7 P
C209
0.001
R117
4.7 k
D37
MA2S111
R93
1 k
IC4
MB15A02PFV–1
UNLK
SCK
SO
PLST
S5V
R118
4.7 k
9
10
11
12
13
14
15
16
8
7
6
5
4
3
2
1
CLOCK
DATA
LE
FC
NC
FOUT
P
B
FIN
LD
GND
DO
VCC
VP
CSCOUN
OSCIN
NJM12902V
IC5
R5V
C161
10 P
Q34
2SC4116 BL
0
3.1
C163
4 P
C166
3 P
R39 47
C169
0.1
C173
0.001
R115
1.2 k
R116
680 k
C165
0.01
C167
0.1
R107
100 k
MOD
LVA
C162 56 P
C164 7 P
3 MULTI
OSCIN
OSCOUT
MIXOUT
VCC
IFIN
DEC
FILOUT
FILIIN
MIXIN
GND
N–REC
N–DET
RSSI
IFOUT
QUAD
AFOUT
R45
68 k
R43
47
0
1.1
R44
100 k
C168 0.1
FI2
ALFYM450=K
C69
470 P
C71 0.1
R40
150
C70
470 P
C66
0.001
C65
0.001
C63 47 P
NOIS
RSSI
R46
470
C67
0.001
C75 10
R38
100 k
R36
1.5 k
R35 100
C59 0.001
C60
0.001
R37 470
R34
220 k
C56 22 P
R31
100
C57
0.001
C52 47 P
C51
0.001
R32
100
L11
15 nH D
12 nH C
C45
10 P C 12 P D
D10
HVC350B
R23
220
C43 0.001 C46 0.001
R21
220 k
C39
10 P C 12 P D
C36
0.001
R235
10 k
R50
100
R17 47
C37
0.001
L9 12 nH
R20 47 k
R19
82 k
C38
0.001
C339
2 P D
0.5 P C
C32 0.001
C333 47 P
R12
10
C33
0.001
C34 47 P
C25
9 P
L8
18 nH C 22 nH D
C24
22 P C 24 P D
L7
18 nH C 22 nH D
C21 22 P C 24 P D
C22 9 P
D4
HVC350B
D3
HVC350B
D5 MA2S077
C14
3 P C 6 P D
C367
4 P C 5 P D
C73 0.001
R10 1 k
R7
120 k
C80
0.0047
R4 10 k
C72 47 P
TMUT
T2
C78 0.001
C374 6.8
C76
0.01
C77
0.001
C15
0.001
D1
RB706F–40
C74
0.001
C371
0.001
R3 47
D6 MA2S728
C17
68 P
L30
33 nH
RSS1
EXOE
C281 0.1
R193
100 k
C229
0.1
R120
470
C227
0.01
T2
REF
LVA
T1 T2
BAL
CDCS
SO
SCK
DAST
MOD
R192 100 k
D7
HVC350B
D8
HVC350B
C27
0.001
C28
0.001
T1
R14
10 k
R173
1.8 k
R207 220 k
D25
MA2S111
R16 100
R15 47 k
D9
HVC350B
C42 0.001
Q3
3SK299 U73
0
0.9
MIX
C41
5 P
C40 0.3 P
RF
Q2
3SK293
AMP
0
0.4
0
4.8
C35 0.1
0
4.4
C303
0.001
0
2.1
C302
10 P
R18
10 k
Q1
2SK1829
AGC
C30
7 P
R13 100 k
IC12
BU4094BCFV
EXOE
TMUT
MUT1
MUT2
R11
100 k
C23 2 P
C20
7 P
C19
0.001
L5
LQW1608A22NG00
R9 270
C79 0.22
R8 470 k
APC
R6 100 k
1
R5
10 k
0
4.9
D38 MA2S111
4
5
2
IC2
TC75S51F
2.3
0
0
1.8
R22 10 k
C49
5 P
L38
27 nH
R30 1 k
C53 0.01
C54 0.001
L12
33 nH
C364
6 P
C363
6 P
R25 4.7
C44
1 P D
1.5 P C
C48 22 P
C50 0.001
R29 150
C188
0.001
0
4.8
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
CSFT
DAST
MRDF
MDIA
UNLK
TEMP
RSSI
LVI N
36
35
34
33
32
31
30
29
28
27
26
25
24
23
22
21
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
CDEC
SDEC
NOIS
MTCK
MTDT
EXOE
EXSM
SCAT
PLST
SCST
MSCK
MDIO
SCK
SO
SIGNAL
CDCS
TONE
MIC
CSFT
DAST
MRDF
MDIA
UNLK
TEMP
RSSI
LVI N
CDEC
SDEC
NOIS
MTCK
MTDT
EXOE
EXSM
SCAT
PLST
SCST
MSCK
MDIO
SCK
SO
SIGNAL
CDCS
TONE
MIC
IF IC
IC1
TA31136FN
C61
100 P
C62
82 P
X1
CDBC450CX24
0
4.6
Q4
2SC4215 O
C58
0.001
IF AMP
R33
150
FI1
FL–335
L44
4.1 nH
L3
0.4–0.9–2TL
C7
0.001
D2
1SV307
1.7
0
C6
0.001
R338
1 k
R2
1 k
1.4
2.2
C4
2.5 P
L2 14 nH
C2
2 P D
0.75 C
LPF
J1
(CHASSIS)
L45
17.5 nH
L1 17.5 nH
C10
0.001
R97
1 k
L32
18 nH
C205
5 P
PLL
R95
1 k
Q17
2SC4116BL
C124
5 P C
10 P D
4.2
C127
6 P C
9 P D
R89 10 k
Q18
2SK880 Y
15.3MHz
1.2Vp–p
R106
82 k
R111
100 k
R113
390 k
S5V
R5V
R87
220 k
R85 6.8 k
RX VCO
C123
12 P D
15 P C
R84
6.8 k
R83
6.8 k
Q13
2SC4226 R25
R80
680 D
1 k c
3.8
R79 6.8 k
R81 4.7
Q14
2SC4226 R25
R78
680 C
560 D
C113 0.3 P
C118
0.5 P
Q11
2SC5107 O
Q12
2SC5107 O
4.0
C102
5 P
Q10
2SC5107 O
D14
MA2S077
C98
10 P
C100
10 P
Q9
2SC5107 O
3.9
2.0
0
TX:+2.2dBm
RX:+4.2dBm
1.7
0
0
1.9
5
43
2
Q16
DTC144EU
1
Q15
XP1214
TX VCO
R5V
+5V
+5V
S5V
S5V
Q26
TPC6103
12
F1
0434003.NRP E
ERBFE3R00U [OTHER]
T5V
C242
0.001
C375 10
R162 4.7 k
C231 0.01
R164
4.7 k
T5C
R5C
R170
470 k
C243
47 P
R169 100 k
C232
0.01
R166
2.2 k
1 2 3
6
C233
22
R165
10 k
C230
0.001
CTRL GND NB
VIN
VOUT
5 4
C234
0.1
C235
0.01
C236
10
IC9
NJM2870
S5C
C237
0.01
C238 4.7
C239 0.1
5 4
1 2 3
R163
10 k
C241
0.001
C296 0.001
C295 0.001
3 2 1
4 5 6
R168
100 k
2403
C297 0.001
R167
270 k
R161
10 k
Q21
2SA1577Q
Q24
XP6501AB
Q22
2SA1577Q
Q25
DTA144EU
Q23
2SB1132Q
5.0
TEMP
R190 ERTJ0EP473J
R191 100 k
C287 0.1
5.0
0
0
5.0
VCC
VCC
VCC
D12
MA2S111
IC7
EW–460
Q29
DTC144EU
C293 0.001
C298 0.001 C299 0.001
C300
0.001
C301 0.001
C294 0.001
IO
G
11
C240
0.001
TONE
V+
GND
4
IC5
NJM12902V
CDEC
R186
470
SDEC
C226
0.001
C225
470 P
C224
4.7
IC5
NJM12902V
SIGNAL
7
IC5
NJM12902V
C223 0.1
R184 100 k
10
9
8
R183
22 k
R182
22 k
5
6
C222
0.01
C221
0.039
R181
22 k
R148
68 k
C180
0.1
R147
100 k
C220
0.022
R180 1 k
R154
120 k
C172
0.001
R152
560 k
R185 470 k
C92 12 P
Q8
RD01MUS1
C86
22 P C
27 P D
Q7
RD07MVS1
L4
0.4–0.9–2TL
C93
8 P C
10 P D
T5V
VCC
T5V
VCC
Q5
2SC3356 R25
A: The scrambler IC is installed type. B: The scrambler IC is not installed type.
C: High-band. D: Low-band. E: Intrinsically safe version.
0
1.6
C372
7 P C 8 P D
C370
0.001
R62 12 k
L19
8.2 nH C
12 nH D
C97
0.001
R61
47
C107 0.001
FI3
NFM60R20T152
C366
0.001
C368
47 P
C81
0.01
C82
0.001
L17 14 nH
C369
0.001
C18
0.001
R53 10
C83
18 P C 39 P D
MP1
C13
22 P D 18 P C
C16
22 P C 24 P D
C12
12 P D only
C11
6 P C only
R1 2.7 k
C9
1 P C 4 P D
C8
4 P C only
C292 0.001
C291 47 P
C5
3 P C 5 P D
R337
2.7 k
C3
7 P C 8 P D
C1
8 P C 9 P D
C365
3.5 P D
2 P C
R51 82 k
D39
RB706F–40
R52 100
R57
150 D 270 C
R59 4.7 k
C88 0.001
R58 33 k
C373 0.001
C91 470 P
R54
33 k
C84
0.001
R55
4.7 k
12
3
L20
15 nH C 18 nH D
VIN1
VOUT1
VOUT2
VIN2
VDD
LD
CLK
DI
VIN3
VOUT3
VOUT4
VIT4
VIN8
VOUT8
VOUT7
VIN7
GND
RESET
VDAREF
DO
VIN6
VOUT6
VOUT5
VIN5
1
2
3
4
5
6
7
8
9
10
11
12
24
23
22
21
20
19
18
17
16
15
14
13
IC6
M62363FP–650C
C228
0.001
R119
10 k
+5V
C170
0.1
R153 150 k
R151 68 k
C171 4.7
1
2
3
4
8
7
6
5
R133
18 k
C266
0.0022
R129
47 k
R134
33 k
C267
0.001
R157
10 k
IC11 TC4W53FU
R155
10 k
C265
0.001
SPLATTER
2
3
1
IC5
NJM12902V
R130
2.2 k
R131
2.2 k
R132
47 k
C264 22C261 1
C262 1 C263
0.001
IC10 AK2346
R121
12 k
R122
390 k
R135
1 M
R124
33 k
R141
33 k
C271
0.1
IC13
BU4066BCFV
C256
0.0022
R127
33 k
R128
33 k
C257
0.1
C258
0.1
R126
1 M
X4
CR–765
C244
47 P
EP4
EP5
C253
180 P
C254
0.0012
C305 0.1
R194 10 k
R125
47 k
C255
0.1
C251
47 P
C252
0.0015
C259 22 P
SIGNAL
MTCK MTDT MDIO MADF
MSCK MDIA
C260 22 P
1
2
3
4
5
6
7
8
9
10
11
12
24
23
22
21
20
19
18
17
16
15
14
13
3.6864MHz
2.0Vp–p
AGNDIN
AGND
TXIN
TXINO
LIMLV
EXTLMIN
MOD
VSS
TCLK
TDATA
DI/O
RDF/FC
TEST
RXIN
RXINO
RXLPFO
RXAF
RXAFIN
EXPOUT
VDD
XIN
XOUT
DIR
SCLK
1
2
3
4
5
6
7
14
13
12
11
10
9
8
I/01
0/I1
0/I2
I/02
CONT2
CONT3
VSS
VDD
CONT1
CONT4
I/04
0/I4
0/I3
I/03
R195
10 k A
only
C274
0.1 A
only
C275
1 A
only
C273
0.1 A
only
C276
1 A
only
Q27
DTA144EU
A only
C277 1 A only
IC14
FX214LG
A only
15
14
13
12
11
10
22
23
24
1
2
3
C304
0.1 A only
C290
0.1
C289 0.1 A
only
C279
27 P A
only
SO
R139
100 k
B
only
MIC
SCAT SCST SCK
C280
27 P A
only
C288
0.1 A
only
16 17 18 19 20 21
9 8 7 6 5 4
TXOUT
VBIAS
RXIN
HFO
HBMI
LBMI
NC P/S NC NC NC NC
RXOUT
IC
VSS
AT
LD/LTH
SCIN
TXIN
LFO/P
VDD
X/CLK
X
SDIN
8
7
6
5
1
2
3
4
IC15
TC3W03FU
A only
R144 1 M A only
VCC
B
A
Q
CE
XT
XT
GND
4.00MHz
5.0Vp–p
R145
10A
only
X3
CR–746
A
only
5.0
0
Scrambler ON
Scrambler OFF
4
3
2
1
1
2
4
3
VCON
GND
VCC
OUT
0
4.8
EXSM
SO
SCK
R5C
T5C
S5C
STR
D
CLK
Q1
Q2
Q3
Q4
GND
V+
OE
Q5
Q6
Q7
Q8
Q`S
QS
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
5.0
L29
1.8 H
L27
1.8 H
L28
1.8 H
L43
1.8 H
C126
18 PD
15 P C
L421.8 H
L40
0.82 H
L23
0.82 H
L13
0.27 H
1
54
3
2
L330.82 H
L35
0.22 H
38
37
J1
54104–3692
R123
82 k
L15
0.82 H
S1
C116
0.001
R92
120 k
R206
470 k
S5V
+5V
+5V
R5V

Icom IC-F50 Specifications

General

Brand	Icom
Model	IC-F50
Category	Transceiver
Language	English