Icom IC-F41GS Servise Manual page 39

MHz 880 mVp-p
R48 D9
R38
10k HSU88
C100 2.2k [M]
V Q13
0.001 1k other
CP7 Q14
2SC4116
R337
1k 2SK880
R.FIL
C63
C61
10
FLAC N PLL
C372 9p [L]
C101 R49
C463 10p
0.001 47k 10p [ML]
47p [F41G] only
6p [MH]
L21
D6 4p [H]
1 H [L] HVU350B
C417
4.7 H other
C109
R39 7p [L]
0.1 R46
10 2.5p [M]
12k
1.5p [H]
L25
1.8 H R43
VDD 20 2k
TEST 19
LOCK 18
RF 17 C373
R44 C74 C72
RN 16 R45 R40
6p
25 3.9k 0.047 C71
VDDA 15 10 10 5p [H]
0.3p
PHP 14 C78 7p other
PHI 13 0.001 C76
R47
L24
VSSA 12 100p
20K
C77 4.7 H
PHA 11 C80 D8
0.33
0.1 LOOP FIL HVU350B
D7
C81
R377 1SV245
R61 47p C79
6 120k R41
R42
680k 0.001
H 220k
10
C82
3 MULTI
10p
R378
Q15
47k
C73
2SC4081
47p
R90 R91
R89 X2
IF 47 10k
1.5k CDBCB450KCAY24 RX: 3.0V
R97
TX: 0.3V 1k
IC3 TA31136FN C124
C125 R96
10
100p 2.2k
1 16 C126 C127
OSCIN MIXIN L30
470p 2.2
2 GND 15
OSCOUT 1.8 H
3 14
MIXOUT N-REC C123
4 N-DET 13 D17
VCC 100p
5 12
1SS375
IFIN RSSI
6 R98
11
DEC IFOUT
120k
7 10
FILOUT QUAD R99
8 9
FILIN AFOUT 270
L48
C117
1 H L42
Q17 0.001 C118
C115
1.8 H Q18
0.001
0.001
2SC4081
2SC4215
R94
1.2k
R92
R93
47k C116
47k R174 R171 68k
470p
27k
R167 470k
R379
10k
C217
IC10
0.1
C206
AUDIO
TA75S01F 0.1
PROCESSOR
C193
4.7
R175
12
5
5.6k MICIN
13
C219 120p
4 MICGS
C218 14
CALO
0.0047 15
ALCO
16 IC9
2
R173 CMPIN
C215 17
CCHG
150k 18 TC35453F
0.1
CMPO
19
.0022
C455 TXFI
20
C207
VDDA
0.1 21
0.1
VDDD
22
66 C224
STB
C213
0
0.1
R370 4.7
C453
R371 47k
C214 C208 15p
22k
0.1 4.7
081 R
R180
15k
C456
R373 R372
0.1
4.7k 33k
X4 CR-563
3.579545 MHz
C454
18p
C195
RX: 5.0V
5.0V
470p
TX: 0V 5.0V
R307
100k
VCC
Q31
R215 R216
R203
100k [GS] only 100k
SA1362
10k
5.0V [GT]
Q32
only
REG
2SB1132
6 5 4 7.5V
Q33
R157
IC12 22k
XP6501
AN8005M
R202
1 2 3 1k
O
C254 I
G
4.7
C247
C411
R201 C246
C242 10
C243 C244
2.2k 0.001 22
L45 4.7
0.001
47
1.8 H
IC17
LC73872M
C450
0.1
1 VDD 14
INPUT
2 13
NC NC
3 EST 12
PD
4 11
OSCO STD
5 10
OSCI ACK
C385
6 9
.1
NC SD
7 8
VSS LOADB
R225
C257
C386
100k
0.1 R324
DTMF DECODE
47p
470
IC21
Q43
TA75S01F
315 2SC4081 R
5 1
k C443
4
R316 0.001
3
2.7k
395 R262
R218
2
p 5.6k
39k
C423
C396
0.22
1
RX SIGNAL
IC20B R268 C345
R269 100 0.01
R273
NJM2904V
120k
22k R270 R266
5
R274
18k 47k
7
22k
6
C348 R271
C346
C351 0.1 220k
0.0033
0.1
52
039
C349
C350
0.0068
0.01
C347 R267
DUSE R272
0.1 47k
68k C415
2.2
UNIT
Q41
DTC144EUA
C459
C62 L22 47p [F41G]
Q11
10 1.8 H R31
R30 RX VCO only
3.3k
2.7k 2SC4226
C59
C54 VCC
3p [L]
0.001 [H]
4p other C55 T5V
W11 47p [F41G]
0.01[F40G]
470p [L]-F40G FIL5V
C58
0.001[F41G]
3p [H] [M]-F40G
L20
C56 1p [F40G], 0.5p[F41G] [F40G]
6p other EP2 BLM10A121PN1D
11nH
only
[F41G] only
C57
L19 R33
18p [L]
1.8 H 120 [L], 270 other
[F40G] only R26
10p [M] [F41G] only BUFFER AMP
220
8p [H]
R34 C52 R28
R35 R27
3.3k 470p
3.3k 68k 220
RX: 1.7V C65 C64
[F40G] only
R36 RX: 4.2V
470p
TX: 2.6V 0.001
4.7 TX: 4.4V
Q12 3.2V
[F40G] only
C68
C69 2SC4226
3p [H]
3p [H]
7p other
5p other
Q9
L23 C66
C67
L46 DTC144EUA
11nH 0.3p [L]-F41G
6p [L], [ML]
1.5 H
0.5p other C460
4 3
4p [MH], [H]
12p
Q10
C12
R37
2
3p [L] only
330 [H] XP1214
TX VCO
390 other
5 1
RX: 1.7V
Q8
L54
TX: 1.6V
2SC5107 15nH
VCO SW
C461 C462
RX: 0V R29
C53
10k 5p 5p
TX: 4.9V 47p
+5V
S5V
R5V
L55
1 H [F41G] only
[F41G] only
L44
C464 1 H
C236 C465
47p C132 22 47p
[F41G] only
R101 L31 0.01 [F40G] L32
C131
12p 0.82 H 22p [F41G] 68nH [L/ML]
3.9k R107
C360 47nH [MH], [H]
6.8
C133
1
0.001
MCF L59 12nH R283
C369
FI1 [F41G] only 100k R106
12p
FL-296 820
R334
R381
47.250 MHz
Q19
82k 330
2 1
C137
3SK206
C135
8p [L]
22p
6p [ML]
6 5 4 3 R105
5p [MH]
4.7k
C129 R103 C134 L33
4p [H]
4p 220 0.001 8.8nH
C128
15p
MIXER
R104 C136
RX: 0.8V 20k 1p [L]-F41G
RX: 1.2V
0.5p other
TX: 0V
TX: 0V
S5V
C458
R161 R162
100p
R318 33k
68k 68k
1
C121 R164 220k C400 C362 C202 3
R165 0.001 0.0012 270p
0.1 C200
27k
56p
C198
C406
0.0047 IC8
0.022
44
EXPIN
43 TC75S51F
EXPGS
42
R292
ECHG
41 C261
5.6k
EXPO
40 0.1 Q26
PWRIN
39 5 6 7 8
PWRGS
DTC144EUA
38
PWRON
37
C205 FM/PM
PWROP
36
0.1 R182 27k
MSKST
35
VSSA R152
34 R340
R181
VSSD
1.2k 120K
4 3 2 1
27k
IC26
C197
C199 TC7W53FK
0.01 R159
R281
120p 100k
27k
3.58 MHz
2.8 Vp-p
R339
1.2k
R338
1.2k
C408 C409
DSIN
0.1
0.1
R343
1.2k
VCC
CPU5V
+5V
L43
C262
D/A C260 4.7 H C264
470p
0.001 47
R376
1 24 R226
3.9k
VIN1 VIN8
2 23 NTC G20 4AG 473JT
VOUT1 VOUT8
3 22
R382
VOUT2 VOUT7
4 R227
21 33
VIN2 VIN7
R221 33k 5
20 100k
VDD GND
6 19
LD RESET
7 18
CLK VDAREF
8 17
DI DO
9 16
R150
VIN3 VIN6
10
15 220k
VOUT3 VOUT6
11
14
VOUT4 VOUT5
12 13 R151
VIN4 VIN5
150k
C259
C258 FRCN
C421
IC13 0.01
0.1
470p
M62364FP
IC16 HN58X2464TI C268 0.1
1 8
D/A A0 VCC
2 7
A1 WP
3 6
A2 SCL
IC27
4 5
VSS SDA
M62334FP R219 10k
C383
EEPROM 0.1
R220 100k
1 8
2 7
3 6 1 8
A0 VCC
4 5 2 7
A1 WP
3 6
A2 SCL
IC29
4 5
VSS SDA
TC7W53FK
1 8
IC24
C407 2 7
HN58X2464TI R349 3 6 BDET
0.1
1.2k
4 5 ADSL
C433
R350
R260 R259 R257 47p
R261 R254 1.2k
39k 22k
47k 47k 180k
CTDA
C343
820p C341
0.018
C342
R374
Q40
0.1
R258 47k
XP1214
22k
5
1
2
4 3 DUSE
2 4
1 RXDT
3
IC30 TC7S66FU
R264
8
470
R332
1 5
IC20A 100k
2
Q44
NJM2904V 4
3
R331
DTC144EUA
470k
Note [F40G]: IC-F40GT/F40GS [GT] : IC-F40GT/F41GT
[F41G]: IC-F41GT/F41GS [GS] : IC-F40GS/F41GS
R14
C42
10
0.001 R16
220
R24
3.2V
RX: 0V
220
C41
RX: 0V
TX: 4.7V
47p
4V TX: 3.8V
[F40G] only
L18 R21
C51 R18
L53 R25
100
22nH [H] 470p 10k C40
15nH 68k C47 C43
27nH other 0.1
[F41G] 470p 470p
only
L17 L16
R22
C48 27nH [L/ML] R19
39nH [L]-F40G
47k
5p [L]-F41G 22nH [MH/H] 100
R17 15nH [L]-F41G
3p[M]-F41G
C50 C46 56k 10nH other
12p [F40G] [F40G] only
1p 6p [L]-F40G
C39
D4
3p [M]-F41G 3p [L]-F41G
MA77
R23 22 5p other 5p other
[F40G]
only L58 C44
Q5
15nH 8P [L]-F41G
2SC5107
[F41G] 10p other
L57
only
Q7 15nH
[F41G] only
Q6
2SC5107 R20
C469 C470
4.7k
2SC5107 5p 5p
[F41G] only [F41G] only
C49 [F41G] only
C467 C468
12p
D5 C38
5p 5p
2p [L]
[F41G] only [F41G] only MA77
[F41G] only only
S5V
R109 RF AMP
L35 1 H
C157 0.47
1k
C471
C466
C150 C151
C149
47p C148 47p
C361 R110 47p 0.01
L36
0.001 470p C152
10p [L] 10k [F41G]
8.8nH
4p
7p [ML] only
RX: 4.1V
12p [MH], 15p [H] RX BPF C158
C144 TX: 0V 47p
10p [L] R118
C140 Q20
R108 C143 4p [ML]
100k
C145
820 0.75p [L] 0.5p [L], [H] 7p [MH]
3SK293
0.5p [M], [H] 3p [ML] 6p [H] 0.5p
C418
D19
D18 C146 C156
R111 R113 L34
3.5p [L]
HVC375B HVC375B 12p [L] 9p [L]
150k 220k R119
8.8nH 0.5p [ML]
10p [ML] 18p
C141 470k
C138
8p [MH], [H] 1p [MH]
10p [L] [M], [H]
9p [L]-F40G
9p [ML]
D20
10p [L]-F41G
8p [MH]
HVC375B
8p [M]-F41G R117
C155
6p [H]
7p [M]-F40G, [H] R116 C154 330 L37
0.001
R114 10k
220k 47p 8.8nH
R112 R115 C147
C139 C142 RX: 2.8V
10k 47p
47p 10k
47p TX: 0V
IC7
TA75S01F
C192
5
5
R163 0.0047 1
4 33k 4
R153 R145
3
R144
4.7 100
56k
2 R155 1.25V
2
C444 C422
39k C191
MIX
330p
0.001 0.1
5
1
4
3
R146
R176 R177 R178 R179 C375 2
C190
4.7k
47k 18k 27k 27k 0.1
0.001
IC6
BEP1
TA75S01F
BEP2
BEEP
C410
0.1
C412
47p
SCL
D0
D1
R228
D2
100k BTIN
D3
C329 C328 C327 C326
R229
47p 47p 47p 47p
100k
C265 C266 C402 FRST
47 470p 47
CCS
D4
TMPS
D5
D6
D7
C371 C305 C324 C323 C322 C321
47p 47p 47p 47p 47p 47p
PTOT
RESB
RMUT
KR0
CPU5V
KR1
C295 C296 C297 C298
C330
47p 47p 47p 47p
0.1
MMUT
R322
220k
KR2
KR3
EXST
R245
1k
APST
C338
C320
C319
47p R224
47p
47p
100k
DIN
RGS1
C336 C335 C429
47p 47p
47p
BTIN
RGS2
R251
MSKE
1k
FCLR
R248
C306
AN0 C364
C325 C294
1k 0.1
47p 47P 47p
R223
220k
RDT
R357 1k
REM CB10
CB11 R358 1k
CB12 R359 1k
CB13
BUSY R244 1k R293
C378 C307
100k VCOS
DTPD 0.1
47p
W/N
IC23
C377
C313 BU4094BCFV
47p
47p 16
PLST
4 1 EXST PLRS
C315 C314 Q1 .STR
5 2 SO XTXD
47p 47p R297 Q2 D
6 DAST
3 SCK
1k Q3
7 CLK
Q4 RESB
FSW 14 15
OE
Q5
AFMT 13
Q6
SPCN 12
Q7
S5C 11
Q8
C381
C379 C380 9
47p QS
C382
47p 47p 10
47p QS.
8
[L] : L-band 400–430 MHz
[ML] : ML-band 440–480 MHz
[MH] : MH-band 450–490 MHz
VCC
This line is [F41G] only
FI4 NFE31PT152Z1E9L
C35
47p
C16 C17
C24
C36 C23
C26 1 0.001
470p
22
47p 47p
L14
L9
EXCCL3225U1
W12 EXCCL3225U
C21
C32
C33
470p C18 C472
47p C28
0.001 C27
L15 L51 0.01 47p [F41G] only
47p
0.001 C19
2.7nH [L]-F40G
15nH [L]-F40G
C37 1.8nH [L]-F41G 33p [H] W8
22nH [L]-F41G
470p Q2 1.5nH other 27p other
12nH [M]-F40G
W7
18nH [M]-F41G
2SK2973
R15 10nH [H]
PRI AMP
4.7k
W13
C34 [H] only
R10
6p [L]-F40G R12
470 [L]-F41G
W10 W9 C457
YGR 27p [L]-F41G 10k
220 [M]-F41G C220
4p
18p [M]-F41G
100 other 0.001
Q3
12p [M]-F40G, [H]
[H] only Q1
2SC3585
C29 C440
2SK2974
0.001 0.001
R8
R15 R13
C30 R11 C20 15k [F40G]
4.7k 470 [L]
47k [L]-F41G only 0.001[F40G]
470p 56k [F41G]
4.7 [M]
0.1 [F41G]
C36 C37
47p 0.1 [L]
470p other
RX: 0V
TX: 2.3V
R121
4.7
R123
100k
R120 C432
15k 470p
R124
Q21 D22
C159
470k
MA2S111
0.001
R122 2SK1829
C167
1.8k
C163 47p [L], [H] L50 L39 L40
C166
5p [M] 22nH LQW18AN15NG00D LQW18AN15NG00D
2p 47p
C160 C442
D21
L38
3p [ML] 2.5p [L]
HVC375B
39nH [H]
0.5p D23 C170
4p [L], [MH]
47nH other
[M] 1SS375
2p [H] D24 10p [L]
D25
C161 MA77 9p [M]
C165 MA77
8p [L] C168 C169 6p [H]
R126
5p [L]
7p [ML] 5p [L] 10p [L]
220k
3p [M]
3.5p [MH] 8p [M]
3p [M], [H]
4p [H]
5p [H] 7p [H]
AF ON : 7.5V
RX BPF
R125 C162 AF OFF: 0V
10k 47p
Q23 2SB1132
AF REG
Q24
XP6501
R142
6 5 4
100k
R137
2.7k
R141
REF V
68k
C183
1 2 3
0.001
C184
R140 C186
10
1M 0.1
R139 C185 R138
R143
1k 3.3k
0.1
12k D26
MA111
C187
+5V
47p
AFON
AFMT
R222 C189
C188
100k 0.001
47p
VLOUT
C282 47p R237 1k
BEEP
OPT13
C283 47p RDB
OPT11
C284 47p WRB
OPT12
C285 47p RS
MSO
R236 1k
C273
R249 1k 47p
R326 1k
R239
1k
R247
1k
1
PE5/D5
2
PE6/D6
R240
3
1k PE7/D7
4
PD0/D8
5
PD1/D9
6
PD2/D10
7
PD3/D11
8
PD4/D12
9
PD5/D13
10
PD6/D14
11
PD7/D15
12 IC14 HD64F2238MFA13
CVCC
13
PC0/A0
14
VSS
15
PC1/A1
16
PC2/A2
17
PC3/A3
18
PC4/A4
19
PC5/A5
20
PC6/A6
21
PC7/A7
22
PB0/A8/TIOCA3
23
PB1/A9/TIOCB3
24
PB2/A10/TIOCC3
25
PB3/A11/TIOCD3
R241
R360 1k 1k
DEST
C299
C300 R252
47p
47p 1k
R299
C334 C333 C332 C331
1k
R250
47p 47p 47p 47p
1k
C340
C428
47p 47p
[H] : H-band 480–512/480–520 MHz
[M] : ML and MH bands
ANT FILTER
T5 C4 L2 L1
0.001 14nH 10.5nH
C5
470p R2
180
C2 C1 C420
7p [L] 10p [L]-F41G 4p [H]
R1
C7 C6 3p other 8p [H] 2p [L], [M]
L4 82k
0.001 0.001 9p [L]-F40G
0.82 H
D1
FINAL 1SV307
L7 C403 L5
C8
0.001
0.4-0.9-2TL 14nH 0.001
MP3
C419 C441
R4 R3
39p
8p [L]-F40G 2.2k 2.2k
9p [L]-F41G
C14 4p [ML]
12p [H] 3p [MH] C9
C474
18p other 5p [H] 1p
2p [H]
only D2
RB706F-40
D3
C10
RB706F-40
0.001
C11 R5 R6
0.001 1k
1k
C176 C177
0.001 470p
Q22
DTA144EUA
C175 0.033 [F40G]
R129
0.01 [L]-F41G 2.2k
R128 470k
RX: 0V
R127
47 TX:5.0V
APC
IC4
TC75S51F
R327
R130
1k [L]-F41G
10k
2 3
390 other
4
1
5
D39 R132 R133
C473
150k
MA8033-H 10 [F41G] 6.8k
R131
[L]-F41G
C173 C174
330k
MA8030-H R69
0.01 47p
other 100k
C171 C172 [F40G]
0.01 10
IC5 TA7368F
1 10
NC POUT
2 9
VCC PWGND
3 PREGND 8
NC
4
PHASE 7
VIN L41
5 6
EXCCL3225U1
RIPPLE NF
R135
R134
10
10
C179 C178
C181 C180
C182
100
R136 R321 10 47p 0.047
0.018
6.8k 1.5k [H]
2.2k other
AF AMP
AFOUT
R242
R243
1M
1M
R230
SDA
12k
OPT23
R329
OPT21 10k
R231
OPT22
12k
C291 C293
R238 47p
47p
1k XIN
C292
D27
47p XOUT W2 C280
MA77
C287 C289 33p
47p X3
47p
CR-681 C277
R232
C276
C288 R235 12.288MHz 7p
12k
22p
47p
1k
12.3 MHz CSFT
3.1 Vp-p
C278 C279
C275
0.01 0.01
47p
C437 47p
NOIS
DTSD
75 R246 1k
PF0/BREQ/IRQ2
74
PF1/BACK/BUZZ
73 T5C
PF2/WAIT
72 R5C
PF3/LWR/ADTRG
71 TMUT
PF4/HWR
70
PF5/RD
69 DDST
PF6/AS
68
PF7 C309 C311 C312 C404 C405
67
MD2 47p 47p 47p 47p 47p
66
FWE
65
EXTAL
64
VSS
63 W3
XTAL
62
VCC
61
STBY
R234
60
NMI 10k
59
RES
58
OSC1
57
OSC2
56
MD1
55 RES
MD0
54
AVCC
D33
53
VREF MA111
52 AN0
P40/AN0
51 AN1
P41/AN1
C317 C316
0.0047 0.0047
R253
100k
R233
100k Q39
2SC4081
C435 47p
MD2
C436 47p
C272
R291 47p
C438 47p IC15
100k
S-80942CNMC-G9C
1 5
OUT CD RESET
2
VDD
4
3
C304 VSS NC
C434
47p
47p
C271
0.027
CP1
TO ANTENNA
CP2