![background image](http://html2.mh-extra.com/html/icom/ic-f50v/ic-f50v_service-manual_3743880040.webp)
10 - 3
*; Refer to “PARTS LIST.”
TX:0.00V
RX:4.78V
TX:0.00V
RX:3.10V
TX:0.00V
RX:1.24V
TX:0.00V
RX:4.78V
TX:1.69V
RX:0.00V
TX:2.05V
RX:2.14V
TX:0.00V
RX:4.84V
TX:2.53V
RX:0.00V
TX:4.75V
RX:0.00V
TX:1.13V
RX:0.00V
3.86V
4.04V
3.83V
TX:0.00V
RX:2.40V
TX:2.40V
RX:0.00V
TX:0.00V
RX:1.96V
TX:0.00V
RX:1.50V
TX:0.00V
RX:4.68V
TX:0.00V
RX:1.46V
TX:0.00V
TX:2.26V
RX:0.00V
TX:0.00V
RX:4.63V
TX:0.00V
RX:0.47V
TX:0.00V
RX:1.48V
TX:0.00V
RX:2.69V
TX:0.00V
RX:4.88V
C14
11P
C55
4P
R92
100K
C126
33P
0.1
C169
D10
HVC350B
C26
100P
D24
M A2S111
C72
0.001
R65
1.5K
0.1
C186
CP1
CP06S
0.001
C83
C107
0.001
330K
R105
R94
150K
TC4S66F
IC17
1
2
3
4
5
R87
470
C67
0.001
L13
0.82U
R5
9
4.7K
RD07MVS2
Q7
C99
0.001
EXCCL3225U
L20
C93
15P
C129
1P
C155
270P
47P
C200
0.
1
C158
MP
1
2681
C18 2
0.001
C60
0.01
51P
C30 2
FL-335
FI1
1
IN
2 OU T
3
GND
4 GND
5
6
5P
C190
C122
33P
C78
0.001
C135
0.001
8P
C2
R30
1K
R48
680
R25
68K
C69
100P
1
C81
Q3
3SK324
L21
0.1U
4P
C195
470P
C110
C91
0.001
1
C201
J1(CHASSIS)
10 MSVA
C98
R93
1K
R11
100K
0.
1
C213
22N
L18
15N
L14
L41
0.1U
10
R12
C80
0.
1
3P
C103
8.6N
L16
Q9
2SC5110
22K
R172
L32
33N
0.001
C292
3.3U
L42
R38
100K
C42
0.001
C65
0.001
C15
0.001
L27
3.3U
C73
0.001
C54
0.001
Q12
2SC5107
6P
C25
R24
1K
R82
4.7
R15
120 K
R42
47K
Q4
2SC4215
R18
4.
7
L35
0.22U
C166
3P
L2
24N
4P
C191
R13
100K
0.
1
C185
0.001
C322
Q18
2SK880
C161
10P
47P
C127
R72
4.7
C113
0.75P
0.001
C101
D1
6
HVC376B
5P
C194
L1
27.2N
D9
HVC350B
4 .7K
R113
0.5P
C308
R101
1K
R22
10K
R61
10
RD01MUS1
Q8
C28
3.5P
0.01
C89
C27
0.001
C10
0.001
HVC375B
D21
47K R102
R6
68K
C6
0.001
R34
100K
27P
C56
C9
15P
C77
0.001
L38
68N
3P
C193
C5 8
0.001
C66
0.001
R1
2.7K
12P
C4 1
470K
R103
L5
45.3N
D1
RB706F
C118
0.5P
C141
0.001
10 MSVA
C148
C209
0.001
C95
0.001
C88
0.001
C5 1
0.00 1
R58
33K
R84
3.9K
C6 1
100P
Q19
KTC4075
C162
56P
7P
C102
R31
10
0.1
C79
1P
C2 2
R71
100K
220P
C124
R20
820
C108
0.01
C104
0.001
C153
47P
R69
1K
C5
22P
R55
4.7K
C114
33P
R100
10K
L22
0.1U
1P
C12
C39
0.001
0
R81
R98
2.2K
3.3U
L43
R45
150K
D23
MA2S111
R88
560
L26
68N
C53
0.01
9P
C324
R67
100
R63
470
C36
0.001
TA75S01F
IC2
1
2
3
4
5
C152
47P
4.7K
R118
3.3 MSVA
C147
4P
C44
L6
27N
D6
MA2S077
0.1 C168
C1
9P
D17
HVC376B
L31
0.1U
R8
220K
ACZ1005Y
EP1
R76
100
C6 2
82P
C19
0.001
XP1214
Q15
1
2
3
4
5
C7
0.00 1
R5
10K
R96
1.5K
C143
0.001
10P
C52
R33
150
A CZ1005Y
EP6
0.
1
C23
C43
0.001
Q11
2SC5107
C165
0.01
0.001
C159
C17
12P
C167
0.
1
C137
0.01
R52
150
CR-783
X2
1 VCON
2 GND
3
OUT
4
VCC
Q2
3SK293
22P
C205
R62
100
L19
47N
4.7
C211
R23
150K
R46
2.2K
18.3N
L17
L25
82N
C37
0.01
R109
56
L11
56N
NJM12904V
IC16
V+
8
GND
4
C106
47P
D8
HVC375 B
R7
5
220K
R29
68
C188
0.001
R21
220K
C105
0.001
C117
470P
D15
MA2S077
R171
82K
L33
0.82U
R57 68
18P
C11
2SK182 9
Q1
R43
470
0.001
C111
R10
1.5K
C120
470P
C74
0.001
NJM12904V
IC16
6
5
7
R86
120K
L7
68N
10P
C157
C20
100P
C70
100P
4.7U
L15
100K
R111
27P
C87
C121
18P
0.001
C291
R19
100K
R95
5.6K
470K
R174
Q14
2SC4226
0.01
C48
D1
9
HVC376B
Q10
2SC5107
L9
56N
R53
22
0.47 SV
A
C149
C100
10P
R97
560
TA31136FNG
IC1
1 OSCIN
2 OSCOUT
3 M IXOUT
4 VCC
5 IFIN
6 DEC
7 FILOUT
8 FILIN
9
AFOUT
10
QUAD
11
IFOUT
12
R SSI
13
N-DE T
14
N-RE C
15
GND
16
MIXIN
2.5P
C29
ACZ1005Y
EP3
R54
100K
R4
10K
1
C35
L12
68N
C109
0.001
C68
100P
7P
C183
R68
10K
5.6K
R173
C24
0.001
470P
C84
0.001
C184
L39
33N
R51
82K
R77
100
C32
0.00 1
10U
L24
R90
220K
0.1 SVA
C146
R110
33K
0.001
C90
Q17
KTC4075
C94
47P
0.
1
C151
C76
0.
1
R50
10K
100K
R213
0.
1
C202
C140
0.
1
D18
1SV239
Q16
KRC404E
D14
MA2S077
47P
C321
18P
C8
0.001
C156
D2
0
HVC376
B
X1
CDBKB450KCAY24
12P
C323
22P
C133
22P
C16
0.001
C203
L37
10U
68K
R26
R80
10K
R14
10K
5P
C18
C96
0.001
R2
4.7K
R35
100
R85
3.9K
C4
11P
C116
0.01
L28
3.3U
R79
1.8K
D2
1SV307
1
C150
C33
47P
100
R32
C71
0.
1
R187
39K
C57
0.001
C138
47P
0.001
C199
L4
5.8N
M A2S111
D25
220K
R175
C154
47P
C163
4P
C63
47P
D5
1SV307
C50
0.001
100K
R28
C139
0.
1
L8
68N
3P
C192
C119
0.001
CFWKA450KFFA
FI2
I
O
C85
0.001
HVC375B
D22
R16
270
10K
R108
220K
R104
C31
0.
1
R17
47
MMZ1608Y102BT
EP2
R7
120K
C59
0.001
62P
C13
D4
HVC375 B
C123
68P
R39
47
0.001
C82
0.001
C329
R83
1.8K
C30
0.
1
R44
390K
C97
47P
10 MSVA
C75
NJM12904V
IC16
2
3
1
150K
R27
C45
0.001
3P
C38
D7
MA2S728
4.7K
R117
C132
0.
1
2P
C40
33P
C134
C164
7P
22P
C92
C115
33P
R9
1
33K
MA74 2
D26
22P
C3
R9
100
R115
1.2K
R89
10K
C208
12P
C207
10P
470P
C145
R116
680K
R78
100K
82P
C86
C206
12P
L3
45.3N
7P
C49
MB15A02PFV1
IC4
1
OSCIN
2
OSCOUT 3
VP
4
VCC 5
DO
6
GND 7
LD
8
FIN
9 CLOCK
10 DATA
11
LE
12 FC
13
NC
14
FOUT
15
P
16
B
O
G-503040
MP
5
R40
1.5K
Q13
2SC4226
R70
100
R3
10
R36
1.5K
BAL
REF
PLST
SCK
SO
MO D
LVA
NOIS
T2
T1
D AST
RSSI
T2
RSSI
UNLK
R5V
LVIN
TMUT
S5V
+5V
LPF
APC
AGC
RF AMP
MIX
IF AMP
IF IC
RX VCO
TX VCO
PLL
REF OSC
*3 MULTI
R5V
VCC
T5V
R5V
S5V
+5V
+5V
S5V
T5V
VCC
SQLI
SQLO
TMUT
R5V
A
B
C
D
E
F
G
H
I
MAIN UNIT (Right side)