Icom IC-F3 Service Manual page 49

Note
[L] ....... L-band (400 - 430 MHz)
[ML] ..... ML-band (440 - 470 MHz)
[M H].....MH-band (470—500 MHz)
5V
VCC
T5
R5
S5
VCC
R51
470k
FRQCON
DS2
LNJ310M6URA
C71
0.001
C446
LED ON : 5.7V CTCSS
47p
R150
50k
DS3
LNJ310M6URA
R183
560
LVIN
Q25
2SC2712 5V
DS4
LNJ808R8ERA
LIGHT
R42
1k 4
R204
3.3k
PLST
R155
R205 SCK
100
1.5k
SO
UNLK
L14
DS1
15nH
LM-1462B
COM1 1
COM1
COM2 2
COM2
C62 C61
COM3 3 6p 6p
COM3
COM4 4
COM4
MODCON
SEG29 5
SEG1
SEG30 6
SEG2
SEG31 7 R5
SEG3
S5
SEG33 8
SEG4
SEG34 9
SEG5
C52
SEG35 10
SEG6 0.01
SEG37 11
SEG7
SEG38 12
SEG8
SEG39 13
SEG9
SEG40 14
SEG10
SEG41 15
SEG11 C51
10p
SEG42
16 SEG12
SEG43 17
SEG13
C123
0.001
SEG44 18
SEG14
SEG45
19
SEG15
R90
SEG46
20 R92 33k [W]
SEG16
50k 10k [N]
SEG47 21
SEG17
SEG48 22
SEG18
C490
SEG49 23 220p
SEG19
SEG50 24
SEG20
SEG51 25
SEG21
SEG52 26
SEG22
VCC
R5
S5
5V
AFOUT
DST
AFON
HT
T5C
+
C154 Q17
10
UN911H
W1
C441 C442 PTTOUT
0.1 47p
C147
0.1
R130
100k
MIC
PTTIN
[H ] ..... H -band (490—512 MHz)
1 1
[H ] ..... H -band (490—520 MHz)
2 2
Q34
C234
2SK880
15.3 MHz 0.001
R50 R49 C69
100k 47k 33p
R185
C410
C70 1k
D7
LV
0.01 X1 11 p [L]
HVU17
R45
CR-576A C411
7p [ML]
100
1.5p[L]
12 p [MH]
R48
C72 0.3p[ML]
C444 10 p [H 1 ],
R440
100k
4.7 4 p [MH]
0.001 120k [H 2 ]
R184
C64 C63
3 p [H
12p 56p 10k
R186 C233
47k 0.001
D5
C432
HVU350
0.001
L12
1 20
VCC1 GND1
4.7 H
C55
2 19
0.01 IN2 R32
IN1 R409
1 k [MH]
3 18 10
ENB VCC2
6.8k other
17
4
XB
CLK
C418
5 16 R415
XI 12p [L]
DATA
15 10
C59 6 9p [ML]
XO R33
T1
100p 14 L407 8p other
7
GND2 R46 4.7k
LOK 4.7 H
1
C58 8 13
CP1 CP2
100p C443
9 12
C54
FI1 FI2 0.047
C218
10 11 0.001
R41 FO1 FO2
+ + 0.001
56
D403 D404
C48
C60 HVU350 1T365
1
R34 C47
0.001 IC1
C57 C56 0.1 other
1k other
PD3140GS
22p 0.1
0.33 [MH]
2.7k [H 1 ], [H 2 ]
5V
C476 R208 C229
47p 100k 0.1
R84 TX: 0V
R44 C65 C67
L403
47
1.2k 3p
4p 1.5 H RX: 4.8V
R85
IC2
R40
L13 1.5k R424 R82
C117
680k FI2 TA31136FN(D) 1.2k [W] X3
1 H
10 + 100k
CFWM450E [W]
2.2k [N] CDBCA450CX24
CFWM450G [N] 1
16
C53 C66 OSCIN MIXIN
5p 4p
C115
2 15
OSCOUT GND
100p
O I C116
L25 3
14
MIXOUT N-REC
56p [W]
0.82 H
4
13 100p [N]
VCC N-DET
Q11 5 12
IFIN RSSI D402
2SC4081 R88
C121 6 11 1SS375
DEC IFOUT
120k
220p
7 10
QUAD
FILOUT
8 9
FILIN AFOUT
R86
R441
120k [W] R83
NTCCF20123NH
100k [N]
330
R87
R89
1.8k [W]
C122
10k C120 C118 C114 C113
C112
3.3k [N] 220p
0.001
0.1 0.001 0.001 0.001
NOIS SD DET
AF
C125
0.0015 IC3b R95
R452
NJM2902V 1M
IC3c 1k
C124
R131
NJM2902V
470 0.01
6
C132
—
0.0047 C126
C217
10
5
+ 0.0039 +
0.1
R468 8
9
6.8k e
—
12k u
C134
R104 150p [W]
100k 220p [N]
C493
0.047 [L], [ML]
R176 R454
R93 R94
0.027 other 1M u
3.9k 27k 1M
C133
R105 R108 R109 1
0.1 10k C465
270 [W] 150k [W]
470 [N] 180k [N] 0.0022
W2
C209 C210
0.1 0.1
R171
47k
MICIN MICOUT VOL IN BEEPOUT
[ W] ..... W-type e .... ETS/CEPT version
[ N ] ..... N-type
u .... EIA/TIA version
R450
2.2k
D405
R410 3.3k Q8 2SC4226
HSU88 + C491
1
R411 R412 4.12V
4.14V
2.7 k [L], [ML]
C412 1
5 p [L], [ML] 3.3 k other
+
C456 C30
7 p other
R413 4.7 C415 C416
10 12p
0.01 470p
Q404
C413
2SC4116
7p
TX: 3.48V
TX: 3.20V RX: 3.45V
C414 C417
2.26V
L404
], 0.5p
1 8p RX: 3.18V
1.5 H 1.72V
[H 2 ] L11
MC152-E558ANA-100051=P3 [L], [ML] R23
TX: 4.04V C33
MC152-E558ANA-100050 other 220
RX: 4.14V 470p
R416 Q7
R414
3.3k 2SC4226 470
R21
C421
L417
220 C32
4p [L]
27nH [MH]
R417 C426 470p
6p [ML], [MH]
22nH [H 1 ],
3.3k 0.001
3p [H ], [H ]
1 2 [H ]
C424 2
L9
470p
27nH
C419 R419
C422
R460
1p [L] 7p [L], [ML] 4.7
R22 220
TX: 1.26V
0.75p 6p [MH], 68k [L], [ML]
TX: 1.82V
other RX: 1.45V R20
5p [H 1 ], C28
RX: 1.92V
68k
[H ] 12p R18
2
47k
C475 C423 C427
6p [L], [ML] 0.5p
3.5p [L]
5p [MH],
1.5p [ML] Q401 TX: 0.70V
4p [H 1 ],[H 2 ]
XP1214
RX: 0.77V
C31 R465
L406 5p 22 [L], [ML]
1.5 H
47 other
L405 4 3
MC152-E558ANA-100050
2.20V
2
Q6 Q5
C42
R422
470p 2SC5107 2SC5107
R420 5 1
220k
270 other
TX: 0.64V
120 [H ], [H ]
1 2 C473
RX: 0.76V
47p
C211 +
R209
Q402
100k 4.7 R421
10k DTC144EU
R449 R68
C106 C455
R408 R77 470
10k
TX: 0V
100 C107 10p [W] 10p other
1k
RX: 2.9V 0.001 47p [H ], [H ]
6p [N] 1 2
C99
R448
R447
C108 R464 0.001
12
L20
0.01 470
1k
0.82 H
Q13
C109
0V
FI1 FL-271 [W]
3SK241
10p [W] C98
L22 C408
FL-267 [N]
8p [N] 22p
470p
1.8 H
TX: 0V D12
R407 RX: 4.66V L19 HVU350
120k 8.8nH
C96
L21
C105
82nH [L] 9p [L]
0.001
47nH other 7p [ML]
R406
6p
390 [W]
other
120 [N] C450
R469 C451 R75 R72 R70 C97
8p [W] 1p [W] 270 47k 4.7k
2.7k 7p [L]
20p [N] 2p [N] 5p [ML]
TX: 0V
3p [MH]
2p
RX: 0.86V
Q400
[H ], [H
1 2
2SC4215
T4
C131
R167
R166
IC4
0.01
100k 100k
BU4066BCFV
R459 R98
10k 240k e
7 1 C212
14
I/O VDD 270k u
C499 0.1
2 13
R96 C474 O/I CONT.A 47p
47k R107
0.01 3 12
O/I CONT.D
120k [N]-e
4 11
I/O
I/O 150k [N]-u
5 10 270k [W]-e
R453 CONT.B
O/I
C213
47k [W] 330k [W]-u
6 9 4.7 +
CONT.C O/I
56k [N]
R112
7 8
VEE 100k
I/O
C464
e
0.001
C214
R113
0.1
68k e
C128
C477 R169 R170 82k u
1
47p 10k 10k
C497
47p
C215 C148 R125 R172
27k 1M
0.1 0.1 TONE SIGOUT
MM RM
CTCSS
R5C
R161
0.15
VCC
C496
470p
C479
R13
R162
R3
47p
10
1k
1k
C471 C470
47p 47p
R15
Q28 C21
10k
3 2 1 +
22
2SC4081
R445 C487
220 47p
C26
470p
C472 6
4 5
C24
47p
R163
470p
R14 Q9
33k
100
XP6401
TX: 3.62V
C9
RX: 0.40V 470p
R19 C10
R2
100 470p
10k
L411
27nH C458 L7
C483 47p 15nH [L]
470p
12nH other Q2
L8
27nH [L] R12 2SK2596
27nH [ML], [MH] R446 10k
18nH [H 1 ], [H 2 ] 56k C25
C22 TX: 0.63V
4p
7p other RX: 0V
8p [ML], [MH]
C452
C27 D3
5p MA77 3p C492
R9
C18
10p
10k R8
470p
except TX: 4.75V
R17 6.8k
C486
4.7k [H ], [H ] RX: 0.40V
1 2
5p
Q4 Q403 Q3
2SC5107 2SC5107 2SC3585
D4
TX: 0.81V TX: 0.63V TX: 0.59V
C481
MA77
RX: 0.40V 470p
RX: 0.77V RX: 0.39V
1LO
R5
S5
R69 L410 TX: 0V
R401
1k 1 H RX: 1.62V
Q12 3SK239A
100k R470
1 [MH], [H
C405
L18
C454 C449 C90 C403 C404 R402
7p [L]
8.8nH 47p 47k
0.001 47p 0.001 0.001
6p [ML]
4p [MH]
TX: 0V
C86
3p [H 1 ],
R403
0V
RX: 4.95V 6p [L]
[H 2 ] 4.7
5p [ML]
C94
C89 C402 C79
2.5p [MH]
0.5p 2.5p
0.5p 8p 3p [H ], [H ]
1 2
C406
C91
D11 L413
10p [L] C87
9p [L]
D10 27nH [L]
HVU350 8p [ML]
L402 47p
7p [ML] R400 HVU350
15nH [ML]
7p
5p [MH] 8.8nH
4.7k
other
4p [H 1 ], [H 2 ]
C457
C88
C92 2p
0.001
9p [L] [L], [ML]
7p [ML] only
D401 L17
R66 R64 R404 R59
6p other
8.8nH
220k HVU350 150
150k 220k
R62
C85
TX: 0V 220k
10p [L]
R67 R65 R405
RX: 0.77V
C407
10k 10k 10k 6p [ML], [MH]
] C84
47p 4p [H ], [H ] R63
1 2
C95 C93
10k 47p
T3 T2 T1
47p 47p
VCC Q15
2SB1132
S5
R115 120k R455
R97
120k [N]-e-[L]/[ML]/[MH]
220k
100k [N]-u-[L]/[ML]/[MH]
330k [N]-[H ]/[H ]
1 2 Q16
C135
82k [W]-e-[L]/[ML]/[MH]
XP6501AB
100p [W]
68k [W]-u-[L]/[ML] R99 R178
120p [N]
10k 3.9k
180k [W]-[H 2 ]
R114
33k
R117 1.95V
R455
— 1.5k
14
13
R119
12 R120
+
10k
68k
C137
IC3d C129
0.033 15
R118 +
NJM2902V
R100
1
C136 1.8k
R451 C139
0.0047
R159 1M 0.1
100k R116
1k
D26
DAN202U
R439 C460
56k 0.0018 [W]
0.001 [N]
C216
0.1 AFONOP
AFON
SPG
11-2
L3
Y655LY-04K [L], [ML]
Y655LY-03K=P3 [MH]
Y655LY-02M [H 1 ], [H 2 ]
T5 L2
Y655LY-04K [L], [ML]
Y655LY-03K=P3 [MH]
Y655LY-02M [H ], [H ]
1 2
L1
Y655LY-03=P3 [L], [ML], [MH]
Y655LY-02M [H ], [H ]
1 2
J1
L3 L2 L1
C8
0.001
C20 L26
R1
C468 C436
470p EXCCL3225U
1 0.001 82k
C3
L27
R160
12p other
C7 C5
EXCCL3225U 150
9p [L] 10p [MH]
5p [L]
4p other 8p [ML]
10p [MH]
7p [H ], [H ]
1 2
C204 L24
0.001 0.82 H
L5
LA-515
C14
C19 C482
C469
0.01
W6
0.001 470p 47p
L6
1.8nH [L] TX: 1.0V C205 D1
1.5nH other RX: 0V 18p MA77
Q1
2SK2595
D2
R164 C208
C15 HSM88AS 0.001
R7 2.7k
C206
R5 R456
27p [L]
100
0.3p 1.5k
47
20p other
C207
R165
0.001
1.8k
C11
C17 R458 C467
C13 12p [L]
10p
0.001 27k
0.001
8p [ML]
4p other
R457
18k
C466
47p
S5
C179
], [H ]
1 2 0.01
Q37
DTA144EU
R210
C73
2.2k
0.1
C459
47p [L], [ML] C400 C401 L401 L15
R52
4p other 47p 47p 17nH 17nH
100k
L400 R53
C76
10k
0.22 H 4
2
4p [L]
—
[L], [ML] 1
7p
47nH
other 3
other +
R54
11
R55
150k
1k
D400 D406
D8
1SS375 MA77 MA77
C243
C75 R438
C448 0.001
0.01 330k
C77 C78 15p [L], [ML]
56p [L], [ML]
7p [L], [ML] 12p [MH] IC3a
3p [MH] 6p other 11p [H ], [H ]
1 2 NJM2902V
2.5p [H ], [H ]
1 2
ISENS T4 TXC
6.9V (VR MIN.)—6.4V (VR MAX.)
IC5
TA7368F L415
EXCCL4532U
10
1
NC POUT
9
2
6 5 4 PWGND
VCC
8
3
PREGND
NC
R122
4 7
2.7k VIN PHASE R128 C153
5 6 10
100
RIPPLE NF
2 3
1 +
R127
10
10k
R126
R123 C145 C146
R121 C140
3.3k 10 + C151
0.001
1k 0.1
+ C150 47P C152
C149 10 0.047
0.1
VOL OUT
AF OUT
COMPLETE VIEW
ANT.