Icom IC-910H Service Manual page 140

12-6 MAIN UNIT (2)
MAIN UNIT (2) IFS
14V
J2 T9V
1 IFM
2 GND
3
14V
4
5 14V
6
GND TX:0
7
8 DRES L1 C1 RX:7.94
9 TXS TX:8.41 TX:0
RXS 100µH 0.01 D55 RX:9.24
10 RX:0 R5
11 12TP NTCCM16084LH MA77
from 12 1FOR
12PV
option 13
unit 14 OPB1 C10
15 -5V TX:5.17 R1 R2 R4 0.01 R10 R67
UX-910 PCK 2.2k 100 22k 4.7k R66 5.6k
16 RX:0 Q1 100
17 PDAT 3SK131 TX:3.40 L53
18 12ST
19 12PS RX:0 C59 LS-476
12DS D1 L2 TX:1.936 L3 0.01
20 D2
21 12UL MA77 LS-479 RX:0 LS-476 MA77
22 GND
GND R3
23
24 GND
25 IFS RV-148 R8
33k D206
TX:0.262 TX(FM) :9.20 DAN222
RX:0 TX(except FM) :0.545
Q21 TX:0.077 Q22 RX(MAIN-FM) :0.212 Q251
DTC144EU RX:8.73 D21 R22 C2 C3 C8 RX(except MAIN-FM):0.305
1SS355 22k DTC114EU 0.01 R9 0.01 XP4312
0.01 220 4 3
5 2
R21 R23
144MHz MAIN-RX:4.41 C21 47k 6 1
2.2k 3.3
144MHz TX :5.83
D204
other :0 TX:0 1SS355
R24
RX:0.840 ALC
D51 22k 9V 9V
MA77 R9V R9V
-5V -5V
AGCM
CP51
C56 MAIN-FM:8.96
0.0047 R61
D52 C62 470k other :0
J51 MA77 C52 C61 TX:0
from PA VMAIN R56 0.01 0.01 Q51 RX:7.94
2.2k 0.01 3SK131 R151 C162
unit J501 C51 4.7k RX(MAIN-FM) :9.21
R60 22 RX(except MAIN-FM):8.44 0.01
0.01 FI51A R57
D54 L51 FI51B 100k L52 R62 TX :0
MA77 FL-211 FL-211 NTCCM16084LH
LS-480 LS-480 FI151
C60 D151 D153 R157
D53 0.01 MA77 FL-128 MA77 4.7k
J52 MA77 1 2
from PA UMAIN R63 120
R65
unit J1 10k R68 D152 D154
MA77 R152 3 4 R155
C53 TX:0 Q52 2.2k 1.5k MA77 Q151
0.01 820 XP4312
R54 R55 RX:0.846 2SC4116
2.2k 2.2k C57 3
430MHz MAIN-RX:4.41 R58 C55 C58 R64
430MHz TX :5.83 0.1 0.01 R153 R156 2
10k 0.01 10k C151 100 C152
other :0 R154 0.01 100
TX:0 0.01 4.7k 1
RX:5.25
UFR9 UFR9
C104 CP151 CP152
IC101 120p
LA1150N 7.22 D155 D157
1 2 3 4 5 6 7 8 MA77 MA77
Q101 D101
2SK882
R102 1SS375 D156 D158
MA77 R158 R161 MA77
4.7k 1.5k 820
C102
0.001 R162 100
C101 3
0.01 R101 L102
100k R159 2
TX:0 LS-513 C153 100 C156
RX:8.22 R103 0.01 R160 0.01 R163
100 4.7k 4.7k 1
8.22
Q152
XP4312
C107 Q107
2p 1.850 R108
R107 47k XP4312 D159 C160 D161 R168
100 R109 3 4 MA77 10p
L103 2.2k MA77 6.8k
Q102
LS-513 2 5
2SK882
4 5 6 1 6
R110 D162 C161
C115 47k R165 0.01
10 1k MA77
C113 Q103
0.015 XP4601 R166
Q105 1k
3 2 1 2SC4116 Q106 3
DTC144EU
R113 2
R105 C110 150 C159 C157
100k C158 R164 R167
0.01 C116 C117 0.01 4.7k 0.01 4.7k 0.01 1
4.7 0.0022
9V
5V 5V
BFOM BFOM
RSIM RSIM
OUTM
R457
C457
L401 1 4.7k
100µH C411
C401 C404 R420 C421
0.1 0.01 0.01 0.1
390k R417 R459
R421 3.3k 470k
100k
R419
4.7k
C458
C412 0.22
R411 R412 0.1 R418
IC401 R413 22k 22k 10k
TA31136FN (D) 1.5k
FI312
16 MIXIN OSCIN 1 4.92
15 2 CFWS455E
GND OSCOUT 3
14 N-REC MIXOUT C416
13 N-DET VCC 4 0.1
12 5
RSSI IFIN 6
11 IFOUT DEC
10 QUAD FILOUT 7 D401
9 8 D402
C402 AFOUT FILIN DAN222 DAN222
100p R403 FI311
C406
C414 150k CFWS455HT
0.01 220p
C459 R456 R464 R492 C462 C478
C405 R402 1 4.7k 0.01 0.01
C403 0.01 330k 4.7k 10k
R410 0.22 R404 R405 R409
3.3k 3.3k 22k 22k
C460
Q404 R406 R408 C461 R465 R466
22k 22k R414 0.033 10k 22k
2SK1829 22k 0.1
C417
0.01 R407 C413
0.1
47k
Q406 R469
2SK1829 47k
Q402
XP4312 C482
1
3 4
R474 R475 R476
2 5 1.8k 1k 180k C468
0.1
C467 10
1 6
C465
R471 R473 4 3
0.1
22k 22k
5 2
R472 6 1
C464 22k C466
R470
47k 0.0022 0.0056 Q405
R477
XP4601
47k
C469
0.01
IFS
KDS
R219 470 D207 1SS355 SSBI
14V
T9V
9V
R202
RV-150
C313 0.001
L201 R302
100µH Q201 2.2M R305 4.7M D304
DTC144EU W201 C205 13 R306
R203 0.1 - 470 MA728
TCWM
1k 12
+
IC1804D
R303 NJM2058
4.7M R304
1.2M D305
8.98 MA728
C206 L203 R209
D201 1 IC201
1F1M C202 L202 1SS355 R207 R208 22µH 1.5k R1891
1F2M C201 22µH 15k NJM1496V 4.7k
10 0.1 330 1 14 IC1804C
VS+ V- NJM2058
2 VCS NC 13 C218 0.1 10 +
R205 R206 3 VCS VO- 12 8
D203 C215 15k 1k 4 11 R222 R1881 9
VS- NC 1k 220k - R1882
MA77 0.01 5 BIAS VC- 10
6 VO+ NC 9 470
7 8
NC VC+ R221 R1880
470k
R217 100k
2.7k D202
MA77
R211 R212 R213 C1876
C207 1k C208 C209 0.001
C217 1k 470p 470p 2.7k 0.1 R1879
R218 R210 330k
C216 R220 R216 C213 C214
0.0047 0.01 C210 C211 1k 0.1 10
100k 0.1 10
8.2k 1.5k
R1888 R1887
10k 330k
ALC
9V
R9V
-5V
AGCM
TX(FM) :6.55
TX(except FM):0.602
D205 T9V RX :0
DAN222
Q271 R268
XP4601 10k TX(FM):9.06 TX(FM):8.98 C314
other :0 other :0 0.1
4 3
9.14
R269
R169 4.7k 5 2 L251
4.7k 100µ
6 1
Q302 Q303
1F1M R271 R265 XP4312
Q252 C257 TX(FM):4.82 R264 XP4312
47k 0.1 other :0 10k NTCCM16084BH 4 3 4 3
R270 2SA1586 TX(FM):0.828
47k
4 other :0 R258 5 2 5 2
22k
5 TX:0 UFR9 R253 Q253 Q254 X251 R266 6 1 6 1
1k 2SC4116 L254 L255
RX:9.25 FMW1 CR-451 12µH 27k R310 R311
6 D252 2 3 L253 W264 LS-256 10k
MA77 R251 330k
470 10µH
R252 L252 4 C259
470 10µH 100p R267
1 5 C255 C262
R261 0.047 4.7k
TX(FM):6.36 330p 2.2k
MODO
other :0 R254
22k C254
0.01
R259
C251 C252 C253 R256 R257 C258
1F2M 2.2 0.01 100p R255 1.5k 180p 27k C260 C261
220 3.3k R260 R262
22k 27p 0.001 R316
470k
4 22k
5 R345 C345
0.1 TX(FM):0.297 RX(except MAIN-FM):7.95 D303
10 other :0
6 RX(except MAIN-FM):9.13 RX(except MAIN-FM):7.93 TX(FM):4.20 other :0 C309 1SS375 R315
other :0 other :0 120p 100k C310
other :0 100p
RX(except MAIN-FM):1.154 R358
R340 NTCCM16084BH
other :0 C372
1k R341 0.01 C357 C311 C312
100
RX(except MAIN-FM):4.66 0.01 0.1 10
other :0 R359
C340 47k
R346 C344 L353 Q352
2.7k 0.0047 0.0047 LS-480 3SK131
C342 R360 R368 IC351
0.0047 RV-110 C365 TA4101F L355
Q351 R356 L354 100 100p 4.90
1FTM 100 LS-476 8 1 100µH
D352 R371 3SK131 COLECT IFOUT 2
7 GND VCC
MA77 Q350 L352 2.7k C364 6 BASE OSCIN 3
4 LS-479 0.01 5 4
2SC4116 BASE BASE
5
C355 C361
R344 R353 C356
6 2.2k C352 470 0.01 0.1 C366 C367 C368 C369 C370
0.01 0.01 0.1 0.1 0.1 0.01 10
R372
Q153 47k
XP4312
RX(except MAIN-FM):5.31 RX(except MAIN-FM):1.151 R375 100k RX(except MAIN-FM):1.157
RX(except MAIN-FM):1.157
other :0 other :0 other :0 other :0
RSIM
9V
5V
BFOM
OUTM
W461
CENM
R462
9 2.2k C353 R374
- 8 0.01
10 15k
+
R463
IC451C
NJM2058M 10k
C483
0.22
MESUREMENT CONDITIONS
DIGITAL MULTIMETER
Unit:Volt
4.98
R467
R482
3.9k
220k 5V
IC451D
NJM2058M C473
C463 0.1
C472 13 0.1
0.01 - 14
12
+
R458 R468
470k 47k 16
12 X0 14
13 X1 X Q407
Y 15 2SJ364
R481 10k 2 Y0
1 Y1 4 AFIS
Z
W484
AFFM 5 Z0 C486 R490 AFIM
3 Z1 0.1 47k
R484 3.3k 6 INH
11 A R497
8.48
10 B 100
9 C
5V W483
7 8
IC452 C484
BU4053BCFV D491 R491
C474 10
1SS355 220k
0.1 R498 IC451B
C475 C479 100k NJM2058M C481
470p 4 0.0022
R487 2 - 6 - 1
270k 1 R488 7
3 10k 5
+ +
11
R486 R489
56k IC451A 100k
R485 C476 NJM2058M R499 R495
10k -4.40 47k C480 22k
220p C485 680p
10
R496
100
-5V
12-7 MAIN UNIT (3)
MAIN UNIT (3)
IFS IFS IFS
KDS
KDS
SSBI SSBI 144MHz SUB-RX:4.61 D651
14V 14V MA77
T9V other :0 R655
T9V 18k
9V 9V
MAIN CP651 144MHz SUB-RX:3.85
UNIT D652 430MHz SUB-RX:3.78
CP853 J651
(1) VSUB MA77
from PA
unit J510 C651 L651 FI651A
SMLM FL-212
SMLM 0.01 LS-480
CP652
D653
J652 MA77
from PA USUB
RFGM
RFGM unit J30 R654
430MHz SUB-RX:4.55
2.2k
other :0
R307 9V
2.7k
Q301
2SC4116
9V
R308 C305 IC701
4.7k C304 R309 LA1150N
0.01 10
470
D302 1 2 3 4 5 6 7 8
MA728 5V
Q701
6.97 C706 2SK882
0.001
ALC ALC
9V
R9V
R9V
-5V -5V
AGCM C701
0.01
BFOM
RSIM
C710 R710
2p R708 47k
100
AGRM AGRM 8.32 L704
AGFM Q702
AGSM AGFM 2SK882 LS-513 1.824
AGSM
Q304 4 5 6
XP4312 Q703
4 3
C307 XP4601
10 C716
5 2 R706 3
100k 0.0015
6 1 C306
22 C713
0.01
C308
2.2
R312
22k
MODO
MODO
R317
1k
1F1M
1F2M 1F1M
1F2M
1FTM 1FTM
Q305 WNCM
2SC4116 WNCM
AF1M AF1M
AF2M
AF2M
SQLM SQLM
-5V
TCWM
TCWM
NBSM NBSM
OPB1 OPB1
TXS TXS
RXS
C371 R369 RXS
0.01 100
1FOR
12PV 1FOR
12UL 12PV
12UL
12DS 12DS
12PS
12ST 12PS
12ST
12TP 12TP
AGCM
NSQM
NSQM
RSIM
9V CTCM
5V CTCM
BFOM
C966 C950
OUTM 0.1 0.01
OUTM
CENM
CENM
DSSW BFOS
DSSW L951
100µH C973 C964
C965
0.1 0.01
0.1
PCK
PCK IC951
PDAT PDAT
DRES TA31136FN (D) R955
DRES 16 MIXIN 1 1.5k
15 GND OSCIN 2
OSCOUT
14 N-REC MIXOUT 3
13 N-DET VCC 4
12 RSSI 5
11 IFOUT IFIN 6
DEC
10 QUAD FILOUT 7
9 AFOUT FILIN 8
C951
100p R953
C954 150k
220p C955
220p
C962
0.01 C953 R952
R954
0.01 330k
3.3k
R961
3.3k C952
0.22
AFIS
AFIS
AFIM
AFIM
Q952
2SK1829
C963
0.01
AFM
AFM
-5V J501
BFOM
1 from PLL
2
unit J601
IFS
14V
9V
AGCS
C661 IC801
0.01
BA09T
C662
C656 R661 0.01 14V
0.0047
470k C660
R660 0.01
22 Q651 8.17
R657 13.46 C803 C826 C802
FI651B 3SK131 R665 10 0.1 0.1
FL-212 100k 10k
R662
0.829 NTCCM16083NH
Q652
L652
R663 2SC4116 L653
LS-480 120
LS-476
C655 C658
R664
0.01 0.01 C659
10k 0.01
430MHz MAIN:4.79
TX:13.3 TX:0 other
RX:13.0 RX:9.23
144M
144S
430S
D701 430M
C732 1SS375
120p
R757
4.7k TXS
D751 FI751 D753 C753 R807 10 R822
C723 MA77 FL-129 MA77 0.01 10k
1 2 Q801 D804
56p R751 2SD1664
4.7k D752 D754 DA221
L703 3 4 1F1S
MA77 R752 R755 MA77
R702 LS-513 1.5k 820 R808 2.2k
100k RXS C817
R704 C708 3 4 C818
0.01 0.1 0.1
100 R753 TX:0
R754 C752 R756 2 5 RX:0.694
C751 100 100 Q831
R716 0.01 4.7k 0.01 1 6 TX:5.0 DTC144EU
8.16 47 RX:0 TX:0
Q751 RX:9.86
CP751 CP752
XP4312
Q707 D755 D757
XP4312
C721 C722 MA77 MA77
R711 4 3 8.70
2.2k 0.01 10 R844
5 2 D756 D758
1F2S 10
MA77 R758 R761 MA77
R712 6 1 1.5k 820
C718 47k
R762 100 3 4 C842 R846 470
10 Q706 0.1
Q705
DTC144EU C758 C754 R759 C756 2 5 R843
2 1 2SC4116 100 R769 100
0.01 0.01 0.01 4.7k 1 6
R715 C843 R845 C840 7.96
0.0047 0.0047
C719 C720 150 Q752 2.7k
4.7 0.0022 XP4312
C760 C841 L851 1.161 Q851
D759 C762 Q850 3SK131
MA77 10p 0.01 0.0047 LS-479
2SC4116
5.32
D762 D761 1FTS R841 R842 R875
R763 R764 MA77 MA77
1.5k 1k R765 4.7k 2.2k 2.7k
1k
SUB NB ON:4.95 3 4 4.69
C763 C759 2 5
R766 R767
0.0047 3.3k 0.01 4.7k 1 6 C851 R852
470
0.01
Q753
XP4312 R871
47k
AGCS
-5.00
C903
-5V 0.001
R1885 C1877
11 IC1804A 0.1
220k NJM2058M R904
3 4.7M
1
2
R1886 IC1804B
R902
4 470 2.2M NJM2058M R905 D904
6 470 MA728
7 SMLS
R1884 470k 5
C1878
0.1 R903
4.7M R927 D905
R1892
C1879 1.2M MA728
R1883 0.001 4.7k
330k
9.08
R1889 C1031 R1031
R1890 1 4.7k
47k 330k
9V 9V
5V
-5V
BFOS
R967
3.3k
W1011
R1012
9 2.2k
R965 R966 C960 R968 R1009 8 C1033
0.1 470k 10 0.22
4.92 22k 22k 10k
FI512 IC1001C
CFWS455E NJM2058M R1013
C1007
C959 10k
0.1 0.22
D951 D952
DAN222 R1040
DAN222 220k
FI511 R1016
CFWS455HT 3.9k
C1008 R1008 R1042 R1014 C1027 C1012
1 C1011 C1034 13 0.1
4.7k 4.7k 10k 0.01 0.01 0.01 14
12
C958
22 IC1001D
R1017 R1039 R1018
R964 C1010 470k NJM2058M 47k
R956 R957 R959 R960 22k 0.1 22k 4.97
22k
22k 22k 22k
Q1001
C1022
R958 C961 2SK1829 R1029 0.1
47k 47k
0.1 16
12 X0 14
. X
13 X1
R1030 Y 15
2 Y0 Q1002
10k 1 Y1 4
Z 2SJ364
Q951 W1004
R1023 R1024 C1019 5 Z0 R1045
XP4312 1.8k 1k 3 Z1 47k
3 4 C1032 0.1
C1020 10 R1033 3.3k R1035
1 6 INH 56k
2 5 11 A IC1002
C1014 10 B BU4053BCFV
1 6 R1020 R1022 4 3 9 C
0.1 . .
22k 22k W1003
5 2 7 8 D1041 R1049 R1034
1SS355 220k 10k
R1021 6 1
R1019 C1013 C1015
0.0022 22k 0.0056 C1023
47k Q953 0.1
XP4601
C1018
0.01
IFS
14V IFS
14V
9V
-5V 9V
-5V
IC803
12.41 4.99
9V R805 TA7805S
6.8
5V 5V
C801 9.15
470
C814 C813 C815 C816
10 0.1 0.1 100 MAIN
144MHz MAIN:4.78
144MHz:9.09 UNIT
other :0 (1)
144MHz:0.072
other :0.182
144MHz TX:0 MAIN- TX:9.11
other :9.05 MAIN-RX:0
3 4 VR9V
9.13 VR9V
430MHz SUB:4.90
other :0 2 5 Q807 UR9V UR9V
144MHz SUB:4.92 2SA1586
1 6 VUT9
other :0 VUT9
Q811
:0 Q805
R812 R815 2SA1588 C823
XP4312 47k 47k 0.1
C821
0.1
Q806 R811 144MHz TX:9.15
DTC144EU 1k R816 other :0
Q813
1k
Q816 2SA1588
430MHz TX:0.106 VT9V
R824 2SC4116 other :9.02 VT9V
Q808
D807 1k TX:13.30 DTC144EU D806
DA221 RX:13.46 DAP222
Q810 R819 C824
2SA1586 0.1
Q809 47k
XP4312
Q804 3 4 430MHz TX:9.15
TX:10.5 2SD1801 R814 R818
D805 2 5 47k 1k other :0
RX:0 C822
1SS355 TX:9.24 0.1 Q812 Q815
1 6 DTC144EU 2SA1588
RX:0 UT9V
R813 UT9V
C827 C819 1k
0.47 0.1
Q814 R821
Q817 47k
2SC4116 C828 DTC144EU
4.7 C825
0.1
430MHz TX:9.09 R820
430MHz RX:0.068 1k
other :0.118 T9V
T9V
R9V
R9V
R861
7.96
R855 NTCCM16084BH C872 144M
100 0.01 430M 144M
430M
144S 144S
C869 R862 430S 430S
0.01 47k Q852
L852 R857 3SK131
RV-110
LS-480 TXS TXS
RXS
RXS
L853 R864
100
LS-476
1.156 4.90
1.123
1.135 IC851 AF1S
C861 C862 TA4101F L854 AF1S
R869 R858 0.01 100p 100µH AF2S AF2S
C854 470 C856 C857 8 COLECT 1
120 7 GND IFOUT 2 SQLS
0.01 C855 0.01 0.01 6 BASE VCC 3 SQLS
0.01 OSCIN
5 BASE BASE 4
C868 R868
0.01 100 1F1S
C871 R874 1F2S 1F1S
0.0047 C863 C864 C865 C866 C867 1F2S
100k 0.1 0.1 0.1 0.01 10 1FTS 1FTS
WNCS
WNCS
9.08 AGCS
NBSS NBSS
9V
C859
R873 C913
0.01 15k 2.57 0.1 AGRS AGRS
Q902 AGFS
2SC4116 AGSS AGFS
2.06 AGSS
Q903 Q904 Q905
D903 XP4312 XP4312
MA728 XP4312
4 3 4 3 4 3
D902 Q901 C911 CENS
C904 1SS375 2SC4116 5 2 5 2 5 2 10 CENS
CTCS CTCS
120p NSQS NSQS
R908 6 1 6 1 6 1
R907 1k R911
22k
C905 R906 -5.00 470
100k DSSW DSSW
100p
1.927
CP854
C906 C907
0.1
10 RFGS
RFGS
-4.94
SMLS
OUTS
9V
5V
-5V
BFOS
AFRP
C1036
0.1
AFRP AFRP
AFIM
AFIM
AFIS AFIS
R1043 C1017
100 10
8.46
C1024 R1046
470p 100k C1030
2 4 C1028 6 1
1 R1037 0.0022 7 AFS MESUREMENT CONDITIONS
10k DIGITALMULTIMETER
3 5
11 Unit:Volt
R1036 R1038
270k IC1001A IC1001B
100k NJM2058M
NJM2058M R1047 R1048
C1025 47k C1029 22k
-4.38
220p 680p
C1016
R1044 AFS
100 10
-5V -5V J1051
BFOS 1 from PLL
2 unit J701
12 - 6