Icom IC-706MKIIG, Service Manual

Page: 75 / 85

D101
MA77
L104
39nH L105
4.7uH
C115
7p
C1
14
39p C1
16
39p
D102
MA77 R102
15
D104
MA77
D103 MA77 C1
17
0.1
R1
13
330
C102
0.1
C101 3p
R1
14
330
R104 68
L106 100uH
C104 0.1 R105 4.7k
C1
18
0.1
C113
0.1
C106 0.1
R107
680
Q101
2SK2854
R106
4.7k
L102 33uH R
111
470
C109 0.1 C103 470
R108
33
C
111
0.1
L103
6.8nH C121
0.1
R123 4.7k C123 0.1 R122 2.2k
R121 56
R124
560
C125 0.1
Q121
MXR9745-RT1
R125 5.6k C126 470p C128 0.1
R127 10
L121 6.8uH
L123 100uH
R126 470
L122 HF50ACC322513-T
C129
0.1
C127
0.1
C141
0.1 L141
0.1uH L142
0.18uH L143
0.15uH
C145
6p C147
3p
C144 68p C146 68p C148 39p
C161
0.1
C168 0.1
R165 180
R166
1
Q100
MRF1508
C169 200p
MP1
W213
Q200
MRF1508
J160
J161
C151 27p
C153
15p C155
47p
C156 4p
C152 390p C154 120p
L152 47nH L153 56nH
C212 9p
C213
0.001
C214 0.001
L171
LR-322B
C204 200p
C203 200p
C172
0.0068
C173
0.068
C174 0.1
R174
10k
C176 0.1
D171
DAN202U
R172 22
C169 470
C167 0.1
L161 EXC-ELDR25C
L162 LR-270
C207 1000
C165 0.1
C175 0.1
R175
10k
D172
DAN202U
R173 22
R176 2.2k
R177 2.2k
R182
0.68
R183
0.68
Q171
SRFJ7044
Q172
SRFJ7044
C191 200p
C183 200p
C178 0.0068
C179 0.0068
R178
15
R179
15
R161
100
C163 0.1 R164 2.2k
R163
1k
R162
2k
R21
1
470
R215 1.5k
R213
10 R214
2k
C250 0.001
R234 820 R235 820
L21
1
EXC-ELDR25C
L212
EXC-ELDR25C
C216 100 C217 0.0047 C218 47p
C219 0.0047
C231
0.001
W235
C220 22p C233 2.2k C235 33p C236 33p
Q231
SRFJ7044
C241 39p
C244
27p C245
18p C246
0.001
STRIP
C240 39p
STRIP
C242 47p C243 47p
C237 47p C238 0.0047
L232 LA-549
R261
47
R262 100k C278 0.001 C262 0.001
C261
27p
L261 L
W
-25
D261
MI407
C264 39p
C317 0.001
R319 8.2k
C321 0.001
D313 MA2S728
D312 MA2S728
L312
LA-382
C274 39p C275 33p
L263
LA-263
C276 22p
L264
LA-254 L265
LA-243
L301
0.25-1.9-13TL
C303 0.001 C302 0.001
Q301
DTC114EU
R303 470
R302
100
D301 UM9401F
C301 0.001
R301
10k
C311
33p
L31
1
L
W
-25
C331 5p
C312
0.001
R312
100k
C329
0.001
R31
1
47
D344
MI407 D311
UM9401F
C265
0.001
L291 LA-234
D291
UM9401F
C291
30p
L292 LA-234
C292
12p
D292
UM9401F
D293
1SS355
C268 0.001
R267
1k
R266 12k
R263 2.2k
C272 0.001
R269
1k
R268 10k
R264 2.2k
D263
MA742 D262
MA742
L262
LA-253
L341 LA-232
D341
UM9401F
C345
0.001
C341
12p
D342
UM9401F
D343
1SS355
C322 7p C323 7p C324 10p
L313
LA-383 L314
LA-233 L315
LA-382 C326
9p C327
5p
L316 LA-382 L317 LA-232
C279 0.001 C281 0.001
L351
0.25-1.9-13TL
Q351
DTC114EU
C354 0.001
C353 0.001
R351 10k
C280 470p
R232 2.2k
C233 0.001
R231
10k
C232 0.0047 C247 470p
W409
C421
0.001
R422 330
C422 0.001
L408 27nH
D410 MA2SV05
D406 MA2SV05
L407
82nH
R419 100k
D407 MA357
R420 100k
C414
470p D405 1SV308
R418 1k
C412
0.001
L403 2.7uH R424 680
C41
1
0.001 R416 120
Q403
3SK291
R415 120
C410 0.001
C409 0.1 R414 330k
C413 220k
R423
220k
C425 0.001
Q402
DTC114EU
R412 180k R41
1 330k
C408
0.001
D408 MA357 R421 100k
R410 1k
L404 10uH
C407
470p
D404 1SV308
D403 MA2SV05
D409 MA2SV05 R409 100k
L402
82nH C405
0.001 L406
22nH
L401 33nH
R408 33 R407 4.7
D402 1SV308 D401 1SV308
R403 1.8k
C401 0.0047
C476
0.001 C462
3p C471
0.5p
D456 1SV305
C472 15p R470 100k
L461 12nH
L455 15nH
R455 1.5k
R465 12
C478 0.1 C461 0.001
C460 10p
R464 100k D454 1SV305
R463 39
C453 0.001
C477 0.1 C681 0.1
C459 0.001 C458 0.001
C463 0.1 C469 0.1
Q453
3SK291
R462 330k R461 330k
R471
270k
Q452
DTC114EU
W462
L456
4.7nH
C452 8p
C457 0.001
R469 390k R460 150k R459 100k
D453 1SV305
L453 12nH R453 4.7 R452 4.7 R451 1.8k
D451 1SV308 D452 1SV308 C454 0.001
D455 1SV305
C418 0.001 C423 0.001
L410 10uH
C427 0.001
C402 0.001
L172 LR-83 C185 390p
R201
0.012
R202
3.3k
C201 0.1 R203 3.3k R204 3.3k C202 0.1
R205
3.3k
EP
C470 0.001
R468 330
D481
1SV237
R1
12
330
HFI
HFI
GND
GND
GND
VUI
VUI
GND
J210
J211
HFO
HFO
GND
GND
VUO
VUO
GND
GND
DRIVER
J481
R320
4.7k
P101 J101
P481
P2T8
VURX
W301
W300 C455
3p
R352
100
L352
LW-25
L342 LA-232
C344
8p
C193 470p
W171
PA
R1
15
1k
R313 1k R314 1k
W316 W320
C318 1p C319 1p
C314 12p
C313 15p
R317 8.2k
C332 10p
• PA UNIT
10 - 6
MAIN(1)
J231
MAIN (1)
J141
MEASUREMENT CONDITIONS
SUPPLY VOLTAGE: 13.8 V
14.1 MHz USB
DIGITAL MULTIMETER : 50 k‰/V
13.6 V
0.3 V
2.1 V
13.7 V
UHF TX:0.2 V
RX:0 V
0.3 V
6.2 V
1.4 V
UHF PREAMP ON:2.4 V
OFF:1.7 V
UHF PREAMP ON:0 V
OFF:4.4 V
13.8 V
HF TX
4.2 V
V/U TX
4.6 V
13.8 V
13.7 V
13.7 V
0.8 V
5.6 V
VHF PREAMP ON:3.0 V
OFF:2.1 V
VHF PREAMP ON:0 V
OFF:4.4 V
1.8 V
VHF TX:0.8 V
RX:0 V
PAI
COMPLETE VIEW