Icom IC-F40GT Service Manual page 42

VCC
T5V
S5V
C62 L22
D9 R38
HSU88 2.2k [M] 10 1.8µH
Q13
1k other C59
2SC4116
3p [L]
4p other
R.FIL
C63
C61 C58
10
C372 9p [L] 3p [H]
L20
10p
10p [ML] 6p other
11nH
6p [MH]
L21 D6 4p [H] C57
1µH [L] HVU350B
18p [L]
4.7µH other C417
10p [M]
7p [L]
R39 8p [H]
10 2.5p [M]
1.5p [H]
R35
RX: 1.7V
C72 3.3k
TX: 2.6V
5p [H]
7p other
PHP
C373
C69
R40
6p
C71
10 3p [H]
0.3p
5p other
L23
L24
11nH
4.7µH D8
HVU350B
LOOP FIL
D7 C12
RX: 1.7V
3p [L] only
1SV245 TX: 1.6V
C73
R41
47p 220k
PLL
+5V
VCOS
RFIN
R5V
R5V
R5V
R5V
RSSI
RSSI RX: 3.0V C464
R97
47p
TX: 0.3V 1k
[F41G] only
C126 C127 C360
L30
470p 2.2 1
1.8µH
MIXIN
FI1
D17
R334 FL-296
1SS375
R98 82k 47.250 MHz
2
120k
R99
270
Q18 6
2SC4215
C128
15p
MSKGS
R171 68k
MSKIN
RXIN
R174 27k
A
R167 470k
C458
S5V
100p
R379 10k
IDCIN
C206 0.1
AUDIO
C193
PROCESSOR
4.7
TXFO
12 44
MICIN EXPIN
13 43
MICGS EXPGS
14 42
CALO ECHG
15 41
C219 ALCO EXPO
16 40
IC9
120p CMPIN PWRIN
17 39
CCHG PWRGS
18 TC35453F 38
CMPO PWRON
19 37
R173
TXFI PWROP
20 36
150k VDDA MSKST
21 35
C215
VDDD VSSA
22 34
C224 C207
0.1 STB VSSD
0.1 0.1 C208
4.7
C197
C213 C214
0.01
4.7 0.1
C453
3.58 MHz
15p
R180 2.8 Vp-p
15k
AFOUT
+5V
X4 CR-563
R339
BIAS 3.579545 MHz
1.2k
AFOUT
R338
C195
C454 1.2k
470p
18p
R307
100k
B
VCC
R215 R216
R376
100k [GS] only 100k
3.9k
[GT]
R221
only
CPU5V 33k
R157
22k
MICI
C411 C258
C421
22 470p
C
D/A
IC27
M62334FP
1 8
2 7
3 6
4 5
+5V
R324
XOUT 470
VIN2
S5V
IC21
R261
TA75S01F
47k
1
5
4
3 C343
R262 820p
2
5.6k C342
0.1
C423
0.22
CTCSS
R5V C345
R268
R269 0.01
100
120k R270
R266
18k 47k
2 4
RXDT
1
3
R271
C346
220k 8
0.0033
IC20A
NJM2904V
C347
R267
R272
0.1 47k
68k C415
2.2
DUSE
Note [GT]: IC-F40GT/F41GT
[GS]: IC-F40GS/F41GS
C459
47p [F41G]
R31 Q11
R30 only
RX VCO
3.3k
2.7k 2SC4226
C54 VCC
0.001 [H]
C55 T5V
W11 47p [F41G]
0.01[F40G]
470p [L]-F40G FIL5V
0.001[F41G]
[M]-F40G
C56 1p [F40G], 0.5p[F41G] [F40G]
EP2 BLM10A121PN1D
only
[F41G] only
L19
R33
1.8µH
120 [L], 270 other R26
[F40G] only [F41G] only
BUFFER AMP
220
R34 C52 L53 R25
R28 R27
15nH 68k
3.3k 470p 68k 220
C65 [F41G]
C64
[F40G] only
R36 470p RX: 4.2V
0.001 only
4.7 TX: 4.4V
Q12 3.2V [F40G] only
C68
2SC4226
3p [H]
C50
7p other
1p
Q9
C66
C67 L46
0.3p [L]-F41G DTC144EUA
6p [L], [ML]
1.5µH 0.5p other C460
4p [MH], [H] 4 3
12p
Q10
R37
2
330 [H] XP1214
RX: 0V 390 other
5 1
Q7
TX: 4.9V Q8
L54
2SC5107
VCOS 2SC5107
15nH
RFIN
C462 C49
TX VCO VCO SW R29 C53
C461
5p 12p
10k 47p
+5V 5p
[F41G] only
S5V
L55
1µH [F41G] only
[F41G] only
C471
C236 C465
22 47p 47p
C361
C132
L32 10p [L]
L44 0.01 [F40G]
R101 C131 L31 68nH [L/ML] 7p [ML]
R107
1µH
3.9k 12p 0.82µH 22p [F41G]
47nH [MH], [H] 6.8 12p [MH], 15p [H]
C133
MCF R283
0.001 C369
R106 R108
L59 12nH 100k
12p
820
[F41G] only 820
R381
Q19
1 330
C137
3SK206 D18
C135
8p [L] HVC375B
22p
6p [ML]
5 4 3
R105
5p [MH] C138
R103 4.7k
C129 C134 L33 9p [L]-F40G
4p [H]
4p 220 0.001 8.8nH
10p [L]-F41G
8p [M]-F41G
MIXER R104 C136 7p [M]-F40G, [H]
RX: 0.8V 20k 1p [L]-F41G
RX: 1.2V
0.5p other
TX: 0V TX: 0V R112
C139
10k
47p
S5V S5V
R161 R162
R318 33k 5
68k 68k
1
4
C400 C362 C202 3
C121 R164 220k
R165 0.001 270p
0.1 0.0012 C200
2
27k
56p
C406
C198
0.022
0.0047
IC8
TC75S51F
R292
C261
5.6k
0.1 Q26
5 6 7 8
DTC144EUA
C205
FM/PM
0.1 R182 27k
R152
R340
R181
120K
1.2k 4 3 2 1
27k BEP2
IC26
BEEP
C199 TC7W53FK
R159 R281
C410
120p
100k
27k 0.1
VLOUT
C409
0.1
C408
0.1
DSIN
+5V
R343
1.2k
VCC
CPU5V
+5V
L43
C262
C260 C265
D/A 4.7µH C264
470p
0.001
47 47
1 24 R226
VIN1 VIN8
2 NTC G20 4AG 473JT
23
VOUT1 VOUT8
3 22 R382
VOUT2 VOUT7
4 21 R227
33
VIN2 VIN7
5 20 100k
VDD GND
6 19
LD RESET
7 18
CLK VDAREF
8 17
DI DO
9
16
VIN3 VIN6 R150
10 15
220k
VOUT3 VOUT6
11 14
VOUT4 VOUT5
12
13 R151
VIN4 VIN5
150k
C259
FRCN
IC13 0.01
0.1
M62364FP
IC16 HN58X2464TI C268 0.1
8
1
A0 VCC
2 7
A1 WP
3 6
A2 SCL EXST
4 5
VSS SDA
R219 10k
C383
0.1 APST
EEPROM
R220 100k
1 8
A0 VCC
2 7
A1 WP
3 6 DIN
A2 SCL
IC29
4 5
RGS1
VSS SDA
TC7W53FK
8
1
IC24
2 7 BTIN
C407
RGS2
R349
0.1 HN58X2464TI 3 6 BDET
1.2k MSKE
4 5 ADSL
FCLR
C433
R350
R260 R259 R257 47p
R254 1.2k AN0
39k 22k
47k 180k
CTDA
RDT
C341 REM CB10
0.018
CB11
R374
CB12
Q40
47k
R258 CB13
XP1214 22k
BUSY
5 DTPD
1
W/N
2
4 3 DUSE
RXDT
IC30 TC7S66FU
R264
470 FSW
5 R332
1
AFMT
100k
2 SPCN
Q44
3 4 S5C
R331
DTC144EUA
470k C379
47p
12 - 2
[F40G]: IC-F40GT/F40GS [L]
[F41G]: IC-F41GT/F41GS [ML] : ML-band 440–480 MHz
[MH] : MH-band 450–490 MHz
VCC
R14 This line is [F41G] only
C42
10
0.001 R16
220
R24
3.2V RX: 0V
220 C41
RX: 0V
TX: 4.7V
47p
TX: 3.8V
4V
[F40G] only
L18 R21 W12
C51 R18
100
22nH [H] 470p 10k C40
C47 C43
27nH other 0.1
470p 470p
YGR
L17 L16
R22
C48 R19 C37
27nH [L/ML] 39nH [L]-F40G
47k 100 470p
5p [L]-F41G 22nH [MH/H]
R17 15nH [L]-F41G
3p[M]-F41G
C46 56k 10nH other
12p [F40G] [F40G] only R15
6p [L]-F40G C39
4.7k
D4
3p [M]-F41G 3p [L]-F41G
5p other MA77 5p other
R23 22
[F40G]
only C44 Q5 Q3
L58
15nH 8P [L]-F41G
2SC5107 2SC3585
[F41G] 10p other
L57
only
15nH R15
C470
Q6
[F41G] only
5p 4.7k
R20
C469
2SC5107 [F41G] only
[F41G] only
5p 4.7k C38
C36
C468
C467 2p [L]
[F41G] only 47p
5p 5p
D5 only
[F41G] only [F41G] only
MA77
S5V
R109 RF AMP
L35 1µH C157 0.47
1k
C466
C150 C151
C149
C148 47p
R110 47p 0.01
L36
0.001 470p C152 R120
10k [F41G]
8.8nH
15k
only 4p
RX: 4.1V
RX BPF C158
C159
C144 TX: 0V
47p
10p [L] 0.001
R118
C140 Q20
C143 4p [ML] 100k
0.75p [L] C145
0.5p [L], [H] 7p [MH]
3SK293
0.5p [M], [H] 3p [ML] 6p [H] 0.5p
C418
C160
D19 C146 C156
R111 R113
L34 3.5p [L]
HVC375B 12p [L] 9p [L] 3p [ML]
150k 220k R119
8.8nH
0.5p [ML] 4p [L], [MH]
C141 10p [ML] 18p
470k
1p [MH] 2p [H]
8p [MH], [H] [M], [H]
10p [L]
9p [ML]
D20
8p [MH]
HVC375B
R117
6p [H] C155
R116 C154 330 L37
0.001
R114 10k
220k 47p 8.8nH
C142 R115 C147 RX: 2.8V
47p 10k 47p
TX: 0V
IC7
TA75S01F
C192
R163 0.0047 5 1
33k
4
R153 R145
3 R142
4.7 100 R144
100k
1.25V 56k
R155 2
C444 39k C422
C191
MIX
330p 0.001
0.1
REF V
5
1
4
3
R176 R177 R178 R179 C375 R146 R143
2 C190
27k 0.1 4.7k 12k
47k 18k 27k 0.001
BEP1 IC6
TA75S01F +5V
CPU5V
VLOUT
AFOUT
C283 47p
C412
47p
C285 47p
SCL
+5V D0
D1
VCC
D2
BTIN D3
C329 C328 C327 C326
R228
R229
47p 47p 47p 47p
100k 100k FRST R326 1k
C266 C402
470p 47
CCS
CPU5V D4
TMPS
D5
D6
D7
C371 C305 C324 C323 C322 C321
47p 47p 47p 47p 47p 47p R247
1k
PTOT
RESB
RMUT
KR0
CPU5V CPU5V
KR1 R240
1k
C295 C296 C297 C298
C330
47p 47p 47p 47p
0.1
R322 MMUT
220k
KR2
KR3
R245
1k
C338
C320
47p C319
R224
47p
47p
100k
C336 C335
C429
47p 47p
47p
R251
1k
R248
C306
C364
C325 C294
1k 0.1
47p 47P 47p
R223
220k
R357 1k
R358 1k
R359 1k
R244 1k R293 R360 1k
C378
C307
100k VCOS
0.1 47p
IC23
C299
C377
C313 BU4094BCFV 47p
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
Q3
1k 7 CLK
Q4 15 RESB
14 OE C334
Q5
13
47p
Q6
12
Q7
11
Q8
C381
C380 9
47p QS
C382
47p 10
47p QS.
8
: L-band 400–430 MHz [H] : H-band 480–512/480–520 MHz
[M] : ML and MH bands
FI4 NFE31PT152Z1E9L
C35
47p
C17
C24 C16
C23
C36 0.001
C26 1
470p
47p 22
47p
L14
L9
EXCCL3225U1
EXCCL3225U
C21
C32
C33
470p C18 C472
47p
C28 C27
0.001 L51
L15 0.01 47p [F41G] only
47p
0.001 2.7nH [L]-F40G C19
15nH [L]-F40G
33p [H] FINAL
22nH [L]-F41G 1.8nH [L]-F41G W8
27p other L7
1.5nH other W7
12nH [M]-F40G Q2
0.4-0.9-2TL
18nH [M]-F41G
2SK2973
10nH [H]
PRI AMP
W13 C419
C34 R10 [H] only 39p
R12
6p [L]-F40G 470 [L]-F41G
C457
10k W10 W9
27p [L]-F41G C14
220 [M]-F41G C220 4p
12p [H]
18p [M]-F41G 100 other 0.001
12p [M]-F40G, [H] 18p other
[H] only Q1
C29 C440
0.001 0.001 2SK2974
R13 470 [L] C20
R8
4.7 [M] 0.001[F40G]
C30 R11
15k [F40G]
0.1 [F41G]
470p 47k [L]-F41G only 56k [F41G]
C37
0.1 [L]
470p other
RX: 0V
TX: 2.3V
R121
4.7
S5V
R123
100k
C432
470p
R124
D22
Q21
470k
MA2S111
R122
2SK1829
C167
1.8k
C163 C166 47p [L], [H] L50 L39 L40
5p [M] 22nH LQW18AN15NG00D LQW18AN15NG00D
2p 47p
C442
D21
L38
2.5p [L]
HVC375B 39nH [H]
0.5p
D23 C170
47nH other
[M] 1SS375 D24 10p [L]
D25
C161 9p [M]
MA77
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
C162
R125 AF OFF: 0V
10k 47p
Q23 2SB1132
AF REG
VCC
+5V
1
Q24
2
XP6501 3
6 5 4 4
5
R137
2.7k
R141
68k
C183
1 2 3
0.001
C184
R140 C186
10
R136
1M
0.1 R139 R138
C185
6.8k
1k 3.3k
0.1
D26
MA111
C187
47p
VCC
AFON
AFMT
R222
C189 C188
100k 0.001
47p
C282 47p R237 1k
BEEP OPT13
RDB
OPT11
C284 47p WRB
OPT12
RS
MSO
R236 1k
C273
R249 1k 47p
R238
1k
R239
C287
1k
47p
1
PE5/D5
2
PE6/D6
3
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
1k
DEST
C300
R252
47p
1k
C438 47p
R299
C333
C332 C331 1k
R250
47p 47p 47p
1k
C340
C428
47p 47p
Explanatory notes
+B LINE TX LINE
COMMON LINE
RX LINE
T5
ANT FILTER
C4 L2 L1
C5 14nH 10.5nH
0.001 CP1
470p
R2
180
C1 C420
C2
CP2
7p [L] 10p [L]-F41G 4p [H]
C7 C6 R1
3p other 8p [H] 2p [L], [M]
L4
0.001 0.001 82k
9p [L]-F40G
0.82µH
D1
1SV307
MP3
C403 L5 C8
0.001 14nH
0.001
C441 R4 R3
8p [L]-F40G 2.2k
2.2k
9p [L]-F41G
4p [ML]
C9
3p [MH]
C474
1p
5p [H]
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
S5V
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
MA8033-H 150k 6.8k
10 [F41G]
R131
[L]-F41G
C173 C174
330k
MA8030-H R69
0.01 47p
other
C171 C172 [F40G] 100k
0.01 10
IC5 TA7368F
10
NC POUT
9
VCC PWGND
PREGND 8
NC
PHASE 7
VIN L41
6
NF EXCCL3225U1
RIPPLE
R135
R134
10
10
C178
C181 C180 C179
C182
10 47p 0.047 100
R321
0.018
1.5k [H]
2.2k other
AF AMP
AFOUT
CPU5V
CPU5V
AFOUT
R242
R243
1M
1M
R230
SDA
12k
OPT23
R329
OPT21 10k
R231
OPT22
12k
C291 C293
47p 47p
XIN
C292
D27
XOUT W2 C280
47p
33p MA77
C289
X3
47p
CR-681 C277
R232
C276
C288 R235 12.288MHz 7p
12k
22p
47p
12.3 MHz 1k
CSFT
3.1 Vp-p
C275 C278 C279
47p 0.01 0.01
C437 47p
NOIS
DTSD
75 R246 1k
PF0/BREQ/IRQ2
74
PF1/BACK/BUZZ
T5C
73
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
CPU5V
CPU5V
56
MD1
RES
55
MD0
54
AVCC
D33
53
VREF MA111
AN0
52
P40/AN0
51 AN1
P41/AN1
C317 C316
0.0047 0.0047
CPU5V
R253
100k
R233
CPU5V 100k
Q39
2SC4081
C435 47p
MD2
C436 47p
C272
R291 47p
IC15
100k
S-80942CNMC-G9C
1 5
OUT CD
2 RESET
VDD
4
C304 3
C434 VSS NC
C271
47p
47p
0.027
TO ANTENNA