Icom IC-7100 Service Manual Addendum page 88

(Amended page)
February 2017
• PA UNIT (PA-1)
D101
R105 C107
680 0.1
KDS122
C163
R102 C101
0.1
39 0.1 Q101
2SK2854
C164
0.001
R109
D102
33
KDS122
L161 L162 R162
PT8V
1.2U 47U 270
C161
470P
C162
0.1
EP202
C116
56P
C252
L109 R118
0.01
47N 0
C202
0.001 Q251
RD15HVF1
C201
0.1
R182
C181
0.01
To PA-2 4.7K
D151 D153 C151
HRX
HVD147 HVD147 0.1
R184
10K
R185
Q181
KTC2875
1.2k
D557
D561 L557 HVD147 C559
C562
HVD147 0.001 82N 0.001
R565
1K
R575
R576
6.8K 4.7K
R482
220
D461 C484 C474
Q481
0.001 3P
HVD147
2SC3356G
*: Refer to the PARTS LIST for the value and name of component.
R111
680
L301
C333
330P
LR-383
EP105
8V
8V
CP201
CP10S
EP501
R201
R502
100
ERJ3GE-JPW
C214
100P
C216
R251
150P
Q501
120
8 4
C266 JDP2S12CR
7 3
D261
9
120P
6 2
5 1
RD70HUF2
R181
1.5K
W=2.7mm
L=25.0mm
C411 C412
18P
27P
Explanatory notes
TX Line
RX Line
Common Line
Voltage Line
C554 L553
Q551
3SK293
0.001
Q552
R555
LDTC143ZE
R559
1K
220K
R577
C560
4.7K
0.001
L453
C472
13.6N
Q451
3SK293
0.5P
Q452
LDTC143ZE
R458
180K
42
R312
27
R313
22
*R301 C311 R310
0.0068 0.68
Q301
RD70HVF1C
L303
LR-580 L305
LR-506
Q30
RD70HVF1C
*R303 C312 R311
0.68
0.0068
C315
0.0068
R314
22
R315
D302 27
L1SS400
C313
0.1
R351
NTCG20
1 REF
2 GND
L308
3 V+
EXC-ELDR25C
L307
EXC-ELDR25C
L522
EXC-ELDR25C
L523
C525
EXC-ELDR25C 0.01
W=2.7mm W=2.7mm
L=13.0mm L=52.0mm
C516
0.001
RL531
EC2-3NU
L421
1U
C431 D422 C440
470P 470P
RN752
R431
10K
Q431
LDTC143ZE L431
135N
L437
R434 AS080340
L433 L434
220 135N
35.0N
L423
C552 L551
0.001
68N 22N
L426
Q422 135N
LDTC143ZE
R429
39
C429
470P
D427
L1SS400
PVT8
R578
PUT8
6.8K
C458 C456 L451 C452
0.001 4.7N
4P 12P
R455
47K
12
EP3
EP4
OT-047
OT-047
To PA-2
C327
2
HFO3
0. 1
FHA010
C383
C381
0.01
0.001
R361
0.001
Q392
RUE002N02
R365
6
OUT
5
IN-
220
4
IN+
R394
IC361
47K
INA199A2
8V
R659
R656
NTCG16
33k
2
R658
1
3
330
IC651
LM2904PWR
Q651
LDTC143ZE
C541 L541 L542
33P AS080547-47N L543
AS080647-56N
L531
AS080547-47N
C542
C544
1U
7P 2P
C547 C543
L591 L592
12P 27P
AS100340-10N AS080440-22N
R531 L533
PVT8
150
1812CS
R532
150
L532 R533
120
1U
R534
120
R422
PUT8
82
C441 C442 C443
R435
470P 6P 8P
D433
10K Q432
JDP2S12CR
LDTC143ZE
L435
135N
D434
JDP2S12CR
R437 2
220
PVT8
14V
L424
18.3N
C423
7P
C425
R426
39
D426
Q421 C430
LDTC143ZE 470P
L1SS400
PVTXS
D428
PUTXS
L1SS400
VBANDS
VPRES
145MHz RX
UPRES
Q292 PUR8
2SB1132G PVR8
Q291
LDTC143ZE
R293
450MHz RX
1K
PVT8
Q492
2SB1132G
Q491
LDTC143ZE
R493
1K
PUT8
F2
1205
F1
1
Q391
TJ50S06M3L 14V
IC392
TA7808F
8V
I O
G
L652
R393
100U
8
1K
IC651 V+
LM2904PWR
GND
4
R666
56K
6
R668
7
5
330 IC651
LM2904PWR
VUFOR
Q661
LDTC143ZE
L651
R652
10k 0.18U
CP601
[ANT2]
L593
To the
AS080340-15N
144/430 MHz ANT
L661 R662
0.18U
10k
VUREF
8V
14V
HV
L701
J701
L702
2 1
4 3
6 5
8 7
10 9
12 11
14 13
16 15
18 17
20 19
EP704
22 21
EP705
EP772
24 23
EP706
IDL EP701 POWS
26 25
HR8V EP702 HFID2V
28 27
HFID1V EP703 VUIDV
30 29
C706
0.01
MP712
2427
C713
C711
0.1
0.1
J711
EP711 EP721 DRIDV
2 1
EP712 EP722
ESTA
4 3
EP723 PT8V
6 5
PHT8
EKEY EP713 EP724
8 7
TB2V
EP714 CP729 SHORT
10 9
TB1V
EP715 CP728 SHORT
12 11
EP725 THML
EP716
14 13
EP726 VUATS
EP717
16 15
EP718 EP727
18 17 FANV
REFL
L731
20 19 PHT8
FORL 4.7U
L732
22 21 J3R3V
4.7U
24 23 JMST
26 25 JMCK
28 27 JFDAT
29
30 To PA-2
MP711
To PA-2
To PA-2
2427
JPRES DB2S31400
D967
JHFOR
VUFOR
D652 DB2S31400
To PA-2
D966 DB2S31400
JHREF
D662 DB2S31400
VUREF
To PA-2
14V