Icom IC-2800H Service Manual page 47

R18 100
C11 R25
8p 47
R14 C21
C13 R12
R15
R13 C20
470 0.001
0.001 470 C18
100
R10 33k 0.001
C17 L3
0.001
10k
100p 0.22 H
C22 27p
R11
R17
C14 33k
120k
C485
0.3p C19 1p
VV 0.6
1p
Q6 R19
Q5 VV 2.2 R20
U350 Q4
2SC5085 560
2SC5085 47
2SC5085
C15 0.3p
VV 0.7
1
R21
470
IC2 M64076AGP
1 20
W14 C78 0.1
XBO GND W18
2 19
SI XIN
3 18
CPS XOUT C81 X1
4 17
RST OP2 33p
5 16 R546 CR-549
VCC OP1 CP5
6 15 220
FIN1 FIN2 C84
7 14
LOCK1 LOCK2 C82 C83
8 13 30p
PD1 PD2 20p 22p
9 12 C80
VT1 VT2
10 11
5p R59
VF GND
22k
L29 Q102
0.82 H
2SK880
R537
L30
R82 R534 3.3k
+
8.8nH Q101
C132 R84
1k 2.2k
R535
2SC3324
0.001 C133 330k
1.2k
0.001
C131
C130 C135
R536
0.001 C483
0.047 R83 0.001
C134 820
R539 0.047
220k
0.75p
560k
C484 D20 +
+
C127
C487
1 1SV284 D21
47p
0.001 R538 2.7k
1SV284 C481 3.3 C482 3.3
R89
47
R90 47
R86 R88 C142 C143
C140
R85 R87
330 330 0.001 0.001
0.001 L31
39k C139 18k
R92
C480 27nH
47p
120k
22p
C141 C494 C144
C136 R93
0.3p 0.3p 6p
0.5p 15
Q21
Q20 UV 2.5 Q22
UV 0.9 2SC4228
2SC4228 2SC5085
C137 0.5p UV 0.7 R94
47
UR 6.8
C221 L47 R146 100
7p 0.56 H
C223
UR 1.69 C224
0.001
C210 C212
0.001
C219
C220
0.5p 1p
0.001
0.001
UR 0.96 Q41
2SC5193
R147
L68 C211 R138 R144
L69 C222
R145 33k
1.8 H 4p 270 100k
1.8 H 0.001
270
W10
IC6A
IC6B TC4W66F [EUR], [ITA] only
TC4W66F
3 FI4 ALFY450F=K C268
7 8
[EUR], [ITA]
0.1
6 5 2 1
only [EUR], [ITA]
1
only
5 4 3
W3
W2 Q58
R221 C276
except [EUR], [ITA] except [EUR], [ITA]
DTA144
220 0.001
EU
IC7A TC4W66F IC7B TC4W66F
FI5 CF4WS450HT UR 3.56
8 7
3
R222 560
2 1 2 5 6
1
UR 4.66
C267 3 4 5
4
[EUR], [ITA] only
0.1
UR 4.77
VR 7.86
VAM 7.08 C277
Q56
0.1
R215
C273
2SC4081
100
180p IC8 TA31136FN
L63
680 H
R210 C272
R213
R209 R220
10k 0.01
100k
10k D42
39k
MA8047
C271
C274
C275
R211
0.1
C270 0.01
0.01
22k
0.1
X3
CDB450C24
Q57
R214 R216
2SK880
47k
10k
D41
+ R223 1.5k
RB706F-40
R212 C269 C278
Q59
100k 0.001 47
2SK880
UR 0.97
VAM 6.59
VR 2.81
Q60
2SC4081
D79
R217
1SS355
470k R224 10k
C491
CP-SMV
1
R219
120k
Q95
C279
DTC144EU
0.001
USQL
VT 0.9 Q10
C31
2SA1362
Q9 0.001
2SC4081
R28
R26 C33
C24 2.2k
47k 0.001
0.001
L4
R27 2.2k
C32
0.22 H C29 +
VT 7.5 R31 VT 4.46
0.001
0.001 C30
C501
4.7k
R24 2.2 D4 MA862
0.001
47k
L5 R34
C25 C37
47nH 39
5p C35 0.001
C23 C36
15p R30 R32
6p 22p R33
R29
Q7 100k 100k
150
4.7k
2SC5085 R23
330
C27
0.001
R22 R540
C26 D10
33k 220
C28
1.5p DAN202U
22p
C496 C497
0.001 0.001
L17
C88 0.22 H
Q8
FI1B FL-288 FI1A FL-288
R61
0.001
2SC5193
820
R60
L18
1.8k
0.82 H
C87
C85 C86
0.001
1p 5p
R62 100
C503
C146 VR 1.3
0.001
0.001
R97
330
R96
33k
C514
C147 C513 C512
C502 C498
470p
22p 470p 470p
0.001 0.001
Q23
C145
UT 8.1
2SC5193
1.5p
R95
Q25
47
2SC4081 C155 R108
R100 R102
R99
0.001 47
47k 10k
47
R104
L32 R101 2.2k Q26
C149
+ 1k
2SA1362
33nH C152
0.001 C151 R107
C156
2.2
0.001 D23 4.7k
0.001
MA77
R98
UT 0.7
47k
C150 L33 R103
C157
5p 18nH 270
R105
10p
Q24 100k
C148 D22
C153 C154
R106
2SC5085
6p MA862
10p 10p
680
UR 1.13
R153 100
R150
C227
R152
100k
0.001
4.7k
FI2
R148
FL-300 R149
D32 DAN202U UR 7.28
390
270
D31
C225 C226
R151
C228
RB706F-40
12p 0.5p
100k
0.001
W11
FI6 CFWS450F UR 4.37
1 2
3 4 5
UR 4.37
C286 0.1
UR 0.67
C531
R227
C288 100p
UR 7.11
68k
390p
UAM 6.28
R225 R458 Q63
R228
4.7k
220k 2SC4081
NTCCM16083NH
C466
R229
R235 C293
C289 R226
100p
10k
10k R238 0.1
390p 560
100k
UR 0.65
R234
C292
10k
Q62 Q64
C285 0.1
2SJ144 2SK880
1
R237 C291
C290
R230 R231 R236
100k 0.001
0.001
C283 470 47k 22k
0.001
R233
C282
R232
22k
120p
10k
Q61
DTC144EU
UFM 4.74
UR 0.71
Q66
DTC144EU
C281
0.033
C280
0.047
USOUT UAM UDET
VH 9.4
VMH 6.21
Q11 Q12
VT 8.2 VHL 6.11
2SC3357 2SC2954
VL 4.3
R39 C44
C34 R38 VT 6.9
R40 C45
22 C43 0.001
0.001 22
4.7k 0.001
0.001
5
D5
C40 R43 22
R36
+
DA221
0.001 C46
4.7k R41
10 1
C41 820
L7
L9
10p
68nH
68nH
L6 L8 L10
C38 C47
18nH 27nH 47nH
0.001 C42 22p
R42 R44
D6 C50
12p
R35 C39 R37
1k C48 C49 150
1SS355 220
150 2p 1k
18p 18p
VR 7.3 C486
R66
0.01 C97 C98 C101 C102
4.7k
1p 1p 2p 1p
C92
R547 8p W16 C104
D11 D12
C99
C89
22 5p
HVU350 HVU350
5p
100p
Q15
L19
R67
3SK166 D14
0.15 H 100k C94 C96 L21
R68
1SS355
100p 2p 82nH
R63
C90 100k
R64 R65
220
0.001 R69
L20
180 10k
C100
100k
82nH
39p
C91 0.01
VR 1.65
IC3 M62354GP C95
C106
C163
VR 1.65
0.001
0.001
1 16 0.001
DO VCC
2 15
LD VDD
3 14 LV04
CLK AO6
4 13 LV03
DI AO5
5 12 LV02
AO1 AO4
6 11 LV01
AO2 AO3
7 10
VR 1.65
NC NC UH 9.0 UHL 6.07
8 9
GND VSS VR 1.65 UMH 7.05 UL
UATTC
VATTC
D24 UT 1.2
R113
C465 R116 C165 R117
R112 C164
DA221
22
0.001 4.7k 0.001 22
22 0.001
7
UT 6.4
C161 R111 R115
+
C166
0.001 4.7k 820
L34 C159 47
L37
R109 UT 6.8 L38
33nH 3p
22nH
22 22nH
L36
L39
C158 C162 C167
10nH
15nH
3p 7p 5p
L35 C160 Q28 R114
R110
Q27
18nH 2p 2SC3357 680
C169 C518
680 C168
2SC5085
2p 0.022
2p
Q29
UT 0.5
L51
2SC2954
47nH
R157 UR 4.23
R164
4.7k
C231 100k
R155 FI3 EFCH435MWNP1
0.001 1 2
470
L48
C232 D33
R158
1 H
2p MA77 C234 C235
Q43 100k
C230
0.001 2p
3SK184 C233 3 4 5 6 7 8
12p
Q44
3p
UR 6.77 D78
3SK166
UR 1.3 MA77
R154 270
UR 0
R165
C229 R162
L49 R156 R159
L50 D77 C529 100
Q42 0.001 33k C237
47nH 330 4.7k
33nH MA77 0.5p
DTC144EU 0.001
R160 R177 100
C299
4.7k
0.001
Q47
L55
22nH 2SC4226
C298
0.001 C300
0.5p R178
D76
22
MA77
C303
0.001
C301
R179
C530 R163
7p
4.7k
6P 10k C302
0.001
Q68 R249
R246 C324
2SC5085 39
1k 0.001
C325
C320
0.001
R239 R247
C295 0.001 L80
100 10k
180p 10nH
C294 L64
L79
L81
0.01 680 H C323 C326
12nH
10nH
0.001 2p
C297 R248
C321 C322 C328
UAM 5.63
0.01 1.5k
2p 8p C327 5p
5p
R241
C296
10k
0.01
D43
1 8
RB706F-40 VIN1 VIN2
R240 Q65
2 7
R242
VOUT1 VOUT2
47k 2SK880 3 6
39k GND VCC
4 5
DATA CLK
UR 2.35
IC10 M62429FP
Q67
2SC4081
IC14
7.87
R245 D80
TA7808F
12.96
470k 1SS355
C350
0.001
8V
O I
C492
R244
G C353
1
120k + +
0.001
C351
C352
CP-SMU
10
47
UFM 0.65 4.1
PCTRL
C64
0.001
R47
C63
IC1 M67746-01
+
100
22
6
L11 L12 C58 C59
L13
LA-235 LA-235 1p 1p C66 470p
LW-25
2 3 4
C53 C54 D8
C61
C56 C57
C51
C524 30p 1p RB706F-40
0.001
0.001 0.001
0.001
0.1
R45
C52
100 C60
+
24p C62
C55
10p
0.001
12p
D7
RB706F-40
VR 2.81
C109
C103 VR 7.85
0.001
R548 47 D71 1SS355
2p VR 1.9 C114
R73
Q16 0.001
47k
D13 R71 3SK166
L25 C115
L22
HVU350 1k
0.12 H 4p
68nH C110
C112
4p C532
0.001
470p R74 L24 C117
R70
5p
100k 2.2 H C116
47k
C113 R75 100p
R72
C111 L26
L23 C527 D15
C105 0.001 100k
100
0.001 HVU350 68nH
0.56 H 0.1
100p
8.3
C191 R118 R119
C107 C108
0.001 39k 100k
0.001 0.001
C192 R126 820k
R122
0.001
10k
1
R120 18k R121 100k R124 22k +
3
—
C193 R123
R125
C194 IC5
0.001 47k
C195 100k
5.43
0.001 TA75S01F
0.001
C183 R134
C182 C184
+
IC4 SC-1318
0.001 100
22 0.001
6
UT 1.93
.
L41
C181
LW-25
L40 LA-382
470p
5 4 3 2 1
C173
R132 22k C177 R133 22k
D27
C172 1p C175 C179
1p UM9401F
6p
0.001 0.001
C180
C178
C522 C171 C174 C176 0.001
11p
0.1 0.001 13p
D25 0.001 D26
C523
0.1 RB706F-40 RB706F-40
C240 UR 7.88
R166
C236
R169
0.001
100k
0.001
4.7k
UR 7.8 UR 2.2 UR 4.2
D36
C241 R457
L52
C239
MA862
0.001 3.3k
47nH
18p
W12
D72
C238 C242
0.001 HVU131TRF
0.001
R170
R171
R168 D37
R167 100k
100k C244
47k R172
39k 1SS355
4.7k 6p
UR 3.46
D35
1SS355
R184 56 R185 56
C304 R182
R181
0.001 4.7k
15k
Q48
C313
D70 C312
Q50
C305
2SC4226 0.001
MA8043 1
0.001 3SK184
C309
Q49 2p
2
DTC144EU
L56 22nH
C306 C310 C311 1
18p 22p 2p
R183 C308 R526
C307
R180
R527
220 0.001 1k L59
0.001
120
1k
8.2nH
R265
680k
0.63 Q69
IC12 LA4445
IC11
R250 2SC4213
TC4S81F 33k
R266
12k
5 4
R251
+
C332
10K
1 2 3 4 5 6 7 8 9 10 11 12
0.47
Q70
R262
C329 2SC4213
R252 220 +
1 2 3 0.63
0.001 R261 C339
33k
180
100
4.81 C336 C337
47
220
R253 C335
C333 + + + +
4.81
10k 47
0.47
0.63 +
C338
C330 1 + +
R259 1k 100 C341
+
C340 470
R258 10k R260 10k
+ 470
C342
C331 R256 33k
C528 C343
0.1
1
470p 0.1
R254 Q71
R255 C334 R257
+ + R264
13.8 47k R263
2SC4213 C344
47k 0.47 10k
4.7
4.7
220
Q75
Q76 Q77
2SB1201
2SC4081 2SB1132
IC15 TA7805F
4.96 11.65 R269 100k
R267 R541
10k 39
C5V
O I C359 C526
R268 G 0.1 0.1
+
+
470
C355 D44
C356 C357
C360
10 MA8075
100 0.001
R270 0.001
1k
C354 C358 C361
Q74
0.001 0.001 47
DTC143XU FANC
U = 430 MHz Band
V = 144 MHz Band
None = COMMON
CHASSIS
VT 2.1
UNIT
C65
0.001 J8
W1
1
2
D9
C69 L16
L15 L78
UM9401F
0.001 LA-244 LA-235 LA-385
R48
R46
82k
100
C70 C72
C71
C68
18p 27p
30p
15p
R76 C119
Q30
3.3k 0.001
2SB934P
L28
C118
0.001 LA-236
D18
D16 C121
UM9401F
R130
1SS355
15p
10k
R131
330
C196 VH 1.5 VHL 0.94
0.001
VMH 1.1 VL 0.84 Q31
2SC4081
C198 R129
0.001 56k
5 C199
R127
0.001
27k
4 R128
Q32
27k
DTC143ZU
+
C197
2
UH 1.27 UHL 0.92
10
UMH 1.05 UL 0.83
R135 VH 2.18
VMH 1.77
150
Q33
VHL 1.62
VL 1.52 2SC4081
R136
UH 2.15
220k C520
UMH 1.82
C493
0.1
UHL 1.65
8p
UL 1.55
C186
L42 L43 C188
C189 C190
470p
LA-232 LA-382 6p
4p 4p
C187
C467
L44 L45 L82
8p
8p
LA-232 LA-232 LA-232
Q45
R173
2SC4081
150
R174
L54
220k
LA-242
R176 1.5M
C245 C521
6p
0.1 R175
D39
680k
C246
UM9401F
0.001
Q46
C247
2SC4081
0.001
R186
L60 C315
100
15nH 0.001
C316
C314
3p
0.001
R188
R189 C318 C319
3
39k
3.3k 1.5p 1.5p
R187
4
15
C317 L62
L61
2p
8.2nH
8.2nH
Q51
IC9
2SC5085
PC1676G
EXT. SP
C347
C345 0.001
1
CLONE I/O
C346
0.001
DATA I/O
J7
5
6
C365 4 3
0.001
2 1
PTTP
C367
C366
0.001 0.001
D45 C362 D46
W4
DSA3A1 2200 RD20E
HV
DC 13.8 V
C364 C363
C525
+
47p 0.001 0.1
L65
+
1 FV
0.39 H 1
2
2 E
J4
SP
PTT P
CHASSIS
C369
C368
0.001
0.001 UNIT
PSQL DATAOUT DATAIN AFOUT
COMPLETE VIEW
J1
J2
+
MF1
M
—