Icom IC-T7H - 1 F Unit Voltage Diagram

• 1F UNIT
11 - 2
VCC2
R210
100
L203 3225 µH
C207 18 P
C206
7 P
D351 MA2S077
D352 MA2S077
R354
22 k
C856
0.001
L801
0.1 µH
R858
120
R315
220
R316
47
C316
0.001
C318
0.001
R314
6.8 k
VVCO3
Q305 2SC5108 Y
C324
0.001
R318
100
C315
2.5 P
R868
680
C862
0.1
R866
6.8 k
VLV
C864
1.5
R867
3.3 k
ULV
C861
0.001
C863
0.001
D304
MA2S077
C313
0.001
C322
0.001
R311 1 k
D303
MA304
R319
220 k
R320
220
C325
0.001
R312
6.8 k
L302
0.82 µH
VLV
VSHIFT
USHIFT
ULV
MOD
USHIFT
MOD
L303
LA-509
C314
2.5 P
C304
2.5 P
Q304 2SC5108 Y
C312
27 P
1
2
3
4
5
J302
IMSA-9230B-1-05Z064-T
C317
0.001
R313
100
VCO3
C321
0.001
Q306
2SC5108 Y
LOOUT
C320
22 P
R317
47 k
C319
0.75 P
R321
100
R307
39
R306
39
R357
15
R355
33
LOOUT
VVCO3
UVCO3
UVCO3
GND
GND
C857
0.001
C858
0.001
R356
15
VCO3
Q852
2SC4403 3
R859
22 k
1
2
3
4
5
J301
IMSA-9230B-1-
05Z064-T
Q703
2SD2216 S
Q351
2SC5107 O
C711
2.2
R709
4.7K
D702
MA133
C713
0.001
Q704
UN9211
TXC
+3C
Q702
2SB1132 R
D353
MA2S077
C350
0.001
R861
100
R352
1.5 k
D201
MA2S077
D701
MA2S077
C211
0.001
R203
4.7 k
R208
100
L201
0.82 µH
C213
0.001
R201
100
L202
82 nH
R202
150
W2
C212
0.001
R204
10
R205
15 K
C209
0.001
Q201 2SC3356 R25
L206
18 nH
C214
0.001
R207
4.7 k
C210
10
C403
0.001
Q401
2SK3074
C404
0.001
Q402
2SK3075
C407
0.001
L404
25 nH
C401
15 P
L403
3.3 nH
C405
27 P
R403
330
R402
47
L402
60 nH
R401
100
L401
12 nH
D202 MA2S077
C215
0.001
1
2
3
4
5
J202
IMSA-9230B-1-05Z003T
C216
0.001
GND
GND
GND
VOUT
C730
0.001
L205
0.82 µH
D723
MA2S077
D724
MA2S077
L723
0.22 µH
L724
0.22 µH
D722
1SV271
UOUT
VCC2
VOUT
C411
0.001
C409
20 P
L406
0.40-1.1-3TL
L405
21 nH
C410
56 P
UOUT
R724
33
R721
10
C911
0.001
R284
33
1
2
3
4
5
J201 IMSA-9230B-1-05Z003T
C727
0.001
VCC1
R281
1 k
R282
100 k
C270
10
GND
C406
0.001
VGG2
VGG1
ININ
VCC1
GND VGG1 VGG2
C402
0.001
MP401
2207 PA HEATSINK
PA
BOARD
C707
5 P
L703
18 nH
C717
5 P
C715
5 P
R704
10
R705
10 K
C709
0.001
L204
3225 µH
L702
12 nH
C102
10
Q701
2SC3356 R25
R706
100
R710
47
Q203
UN9210
R209
4.7 k
Q705
2SA1588 GR
R701 4.7 k
D703
MA2S111
C716
0.001
R708
100
C714
0.001
R702
4.7 k
TXSEL
L701
15 nH
Q202
2SA1588 GR
C701
0.001
C323
0.001
C306
0.001
C305
0.001
C307
0.001
Q302
2SC5006
C308 0.75 P
R305
4.7 k
R304
68
DUAL VCO BOARD
D302
MA2S077
D301 HVU350
R302
2.2 k
Q301
2SC5006
L304
0.82 µH
L301
LA-508
C303
2.5 P
C302
24 P
C301
27 P
R303
4.7 k
Q354
UN9210
R364
220 k
Q854 UN9210
C860
0.1
R363
220 k
C360
0.1
R362
150 k
R863 330 k
VMOD
SHIFT
UMOD
VSHIFT
R862
33 k
R864
47 k
C375
0.001
Q356
2SC4081 S
L355
0.82 µH
L354
0.82 µH
C378
7 P
C376
7 P
C377
3 P
C379
4 P
2NDLO
R371
330 k
C374
9 P
R372
100 k
C380
27 P
C311
0.001
R358
100
C855
22
C355
22
C865
0.001
C354
0.001
W5
R250
0.15
D250
MA8030H
C235
0.001
C2360.001
C234
0.001
R251
68 k
R252
47 k
1
2
3
4
6
5
7
8
IC250
NJM2904M
R265
4.7 k
R261
1 M
R264
2.2 k
C254
0.001
R267
15 k
R263
10 k
Q255
2SB1462 R
C231
0.001
C232
0.001
C101
0.001
R262
22 k
R266
TBPS1R150K
C268
0.001
VGGC
R285
1 k
R283
100 k
C267
10
R278
10
C728
0.001
R727
150
C724
0.001
HC725
Q204
UN921L
R726
10 k
R1 150
C23
0.001
C24
0.001
L13
0.82 µH
R728
47 k
C233
0.001
VCC
D251
MA8043 L
R258
15 k
R260
100
R259
10 k
Q253
DTC114TU
PSET
PREF
TXC
Q250
2SC4081
C859
0.001
C356
0.001
C359
0.001
C358
0.001
R361
47
C357
0.001
R360
220
R359
47 k
Q352
2SC5107 O
X851
CR-515
R365
330
C373
0.001
C372
0.001
C370
22 P
C371
39 P
L353
4.7 µH
C851
0.1
C852
0.1
C369
20 P
VCC1
1
IN1
2
ENB
3
CLK
4
DATA
5
T1
6
LOK
7
CP1
8
FI1
9
FO1
10
FO2
11
FI2
12
CP2
13
GND2
14
XO
15
XI
16
XB
17
VCC2
18
IN2
19
GND1
20
IC851 UPD3140GS
R370
10 k
PLST
PLCK
R374 10 k
C366
47 P
C367
47 P
C368
47 P
L352 4.7 µH
R367
1.5 k
R368
680
R366
10 k
C362
0.1
C361
0.001
R369
100 k
C365
0.001
C364
3.3
Q853
UN9115
Q355
2SK880 Y
VTUNE
HVCO
Q353
UN9115
Q357
UN9115
R373
47 k
D354
MA132WA
LVCO
C301
0.001
R350
1 k
R351
39
C351
0.001
1
2
3
4
5
6
J905
53264-0690
C554
0.001
800M
URF
GND
C553
8 P
D551
MA2S077
D552
MA2S077
C552
10 P
C8
2 P
C15
0.001
D1
MA2S077
D2
MA2S077
L9
16 nH
C14
4 P
C13 1.5 P
C551
7 P
L551
12 nH
L552
12 nH
C7
1 P
C6
1 P
L6
10 nH
L5
10 nH
L1
0.15 µH
C2
100 P
C4
39 P
C12
9 P
L7
14 nH
C732
0.001
L2
21 nH
L3
30 nH
C1
8 P
C3
7 P
C5
15 P
C10
8 P
C11 0.5 P
L8
C9 1 P
W1
C21
15 P
C19
27P
C17
22P
C22
0.001
L10
39 nH
L11
60 nH
L12
47 nH
C16
2.5 P
C20
2 P
C18
5 P
R730
10
L725
0.22 µH
D725
1SV271
R731
150
C734
0.001
C735
0.001
C733
47 P
R732
10 K
CHASSIS
UNIT
D52
MA2S077
D51
MA2S077
C53
12 P
C52
27 P
C51
22 P
L52
56 nH
L51
56 nH
C736
0.001
VRF
GND GND
EXTMIC
SPE
AFV
PSET
HVCO
TXSEL
REMOTE
DIUD
DICK
+3C
1
3
5
7
9
11
13
15
17
19
21
23
25
27
29 30
28
26
24
22
20
18
16
14
12
10
8
6
4
2
J904 IL-WX-30PB-VF84-B
AF
UMOD
VMOD
PLST
SHIFT
TXC
LO
GND
PREF
BTVCC
EXTMIC
SPE
HV
+3C
AFO
INTSP
J901
HSJ1102-01-540
C909
10
R902
390
C901
0.001
J903
HEC2711-01-020
C908
0.001
C905
0.001
C906
0.001
J902
HSJ1493-01-010
S1
DIUD
DICK
AF
AFV
L900 3225 µH
L901
3225 µH
C907
0.001
C903
0.001
D901 RB060L-40
C910
10
C904
47 P
C900
0.001
VCC
C912
0.001
HV
C914
0.001
C913
0.001
+
+
+
+
+
+
+
INTSP
AFO
VTUNE
LVCO
PLCK
PDA/UL
GND
2NDLO
1
2
PDA/UL
+
REMOTE
+
+
+
+
+
C : COMMON
VT : VHF TX
UT : UHF TX
VR : VHF RX
UR : UHF RX
J1
C412
10 P
VT: 0
VR: 3.4
UT: 3.5
UR: 0
UT: 1.80
UR: 0.77
UT: 0.69
UR: 0.69
UT: 2.30
UR: 2.30
UT: 1.80
UR: 1.80
VT: 0.72
VR: 0.72
VT: 0.72
VR: 0.72
VT: 1.94
VR: 1.94
C: 3.5
C: 3.0
VT: 0.7
UT: 0.75
VR: 0.7
UR: 0.8
C: 13.2
C: 0.65
VT: 1.39
VR: 1.39
C: 0.75
VT: 0.7
UT: 0.7
VR: 0.7
UR: 0.8
VT: 2.3
UT: 2.3
VR: 0
UR: 0
VT: 3.9
VR: 0
VT: 4.2
UT: 4.2
VR: 0
UR: 0
VT: 12.5
UT: 12.6
VR: 13.2
UR: 13.2
UT: 3.9
UR: 0
VT: 12.4
UT: 12.5
VR: 13.2
UR: 13.2
VT: 12.4
UT: 12.5
VR: 13.2
UR: 13.2
C: 2.82