Icom IC-T7H Service Manual page 35

• 2F UNIT
Q105
UN9115
R119 C126 R116
100 470
0.1
Q103 R118
C120
1 k
0.01
2SD2216 S
Q102
XP1501 AB
C122 R121 R117
4 5
0.047 47 k
47 k
C118
22 P
R120
C121 22 k 3 2 1
0.01
R115
Q104
330 k
2SD2216 S
R122
220 k
R114
+ 10 k
R123
1 M
C123 C124 C125
0.22 4.7 0.001
R113
4 5
10 k
2 1
3
IC102
C117
TC4S66F
0.047
R504
20 k
R502
10
800
30
300
29
AF
28
MOD
27
EXTMIC
26
SPE
25
INTSP
24
AFON
23
PLST
22
PLCK
21
PDA/UL
20
REMOTE
19
DICK
18
DIUD
17
AM
16
UR3
15
VR3
14
LVCO
13
+3C
12
HVCO
11
TXC
10
SHIFT
9
VCC
8
H/L
7
TXSEL
6
DETO
5
NOISE
4
SD
3
GND
2
C917
GND
1 0.001
C923 C921 C919
0.001 0.001 0.001
C922 C920 C918
0.001 0.001 0.001
C109
0.001
C119
0.1
VT: 0
UT: 0
VR: 0.5
UR: 0.5 FI101
CFWM450E
1 2
C110 0.1
R106 C111 3 4 5
220 k 470 P
R414
470
R104
R103 1 k
C113 82 k
0.001 C412
C112 2.5 P
IC101
R105
470 P
8 7 6 5 4 3 2 1
TA31136FN(D)
1.5 k
R102
470
C501
47 P L101
1.8 H C102
0.001
9 10111213141516 C103
C114 R112
R101
0.001
0.01 470
47 k
C115
0.001 VT: 0
C116 UT: 0
C101
0.001 C107 VR: 2.3
0.001
10 P UR: 2.3
R108
15 k
VT: 0
Q101 UT: 0
R505 VR: 0.7
R506
L102 2SC4215 O
15 k UR: 0.7 800
15 k
LS-510
R110
300
22 k
R111 22 k
R107
22 k
C106
0.1
UR3
VR3
C415 C414
0.001 0.001
IC151 TA7368F
C151
220
+
1 10
R153
2 9
4.7 k 3 8
4 7
R151
5 6
10
C155
0.001
C154 R152
47 P 150
C152
0.047 C: 13.2
+
C153
3.3
Q151
SQRO: 5.7 R157 R155
R156 C161
SQLO: 0 10
2SB1201 S 10 10
0.001
+ C156 +
C160
5 4
47
100
R161 Q152
5.6 k
XP1501 AB
R158
1 2 3
10 k
R160
R159 +
C159 C158 C157
5.6 k 1 k
0.001
0.001 4.7
C162 R162
100 k
0.001
VT: 0
UT: 0
Q403
VR: 3.1
UN9115 UR: 3.1
C403 VT: 0
R205 UT: 0
UT: 0
0.001 UR: 2.3
330
VR: 0.7
UR: 0.7 R207
R415
4.7 k
FI401 120 k
L403 C206
FL-244
1.8 H 0.001 L204
C416
D203 12 nH
R410 0.001 MA2S077
C411 1 k
5 P
C207
R411
R402
22 P
680
100 k
Q401
2SC4403 3 R612
Q202
C413 4.7 k
0.01 IC601 2SC4403 3
C410
UPC2748T
C616 D604 D603
0.001
D606
MA2S077
0.001 MA2S077
MA2S077 6 IN 1
C617 VCC
D400
5 GND 2
7 P GND
MA2S077 4 3
OUT GND
D607
MA2S077
L609
47 nH R610 R606
2.2 k
2.2 k
C614
C618 0.001
Q602
0.001
XP1115
R607
100 k
1 5
2
3 4
D401
MA132WA
C615
D605
0.001
C621 MA132WK
C622
0.001 0.001
D103
R64 10 k
Q53 MA2S077
UN9115
C72
6 P
VT: 0
C68
UT: 0
0.001 D54
VR: 3.6
MA304
UR: 3.6
L55
LS-518
R409 R60
C67 100 k
4.7 k
5 P
D402
MA132WA
C66
0.001
C409
Q404
0.001
UN9115
Q5
2SA1588 GR Q901
2SB1132 R
R903 22
1 5
R5
C914
10 k
2
0.001
R904 22
3 4
Q4
C910
XP1501 AB + C12
C11 0.001
2.2 0.001
D902
MA133
C902
0.001
Q902
HAT1024R
1
2
3
4
D903
MA2S728 R905
100 k
C911
0.001
R407 L401 R403
C407
4.7 k 6.8 nH 56
0.001
D404
C408 15 P MA2A077
L400
D403
0.1 H
R404
C402 2 P MA2S077
27 k
R405 C406
82 0.001
R408
R406
4.7 k
C204 R202 120
UT: 0 Q400
0.001
150
UR: 2.4
2SC5107 O
C202
120 P
R203 L202
R201
220 18 nH R206
FI201
R204 33 k
3.3 k
68 k EFCH445MWNP1 [USA-3]
EFCH435MWNP1 [Other] L201 C201 D202
C203 15 nH 0.001 MA2S077
2 1 URF
10 P
C205 L203
0.001 12 nH 8 7 6 5 4 3 D201 R601
UT: 0
1SV271 4.7 k
Q201 UR: 0.75
UT: 0
UR: 0.78
2SC4226 R25
D601
MA2S077
C609 C608 C607
L603
2 P 2 P
2 P
15 nH Q601
D602
C601
2SC4228 R45 MA2S077
0.001
L604 R604
L605 800M
330
10 nH
10 nH
C604 GND
0.001
L607
R605
22 nH
100
R603 R602 5 3 1
22 k 3.3 k
C613 L606
0.001 22 nH
6 4 2
C611 1.5 P
C606 C605
R608
C610 0.001
C612 0.001
4.7 k
5 P 8 P
R609
C620
100 k
0.001
R61 D101
MA2S077
10 k
D102
VT: 0
MA2S077 R63 10 k C69
R62
C70
VR: 3.1 9 P
10 k VT: 0 C56
0.001
0.001
C71 VR: 1.5 C54
VT: 0
Q52
9 P
VR: 0.9 10 P
C64 L54
2SC4403 3
LS-518 R51
1 P
68 k
R54 100
C55 0.001
D53
C65 R55
MA304
330
1 P VT: 0
R56 10 k Q51
VR: 2.3 L53 LS-518
D55 1SV271
2SC5226 4
R59
100 k C60 D52 MA304
R58
R57
0.001 C59 R52 100 k
C61
C63 47 33 k
0.001
R53
15 P 0.001
68
C57
C58
12 P
0.001
C62
0.001
R313
10 k
UTH: 12.4
UTL: 12.9
R316
C916 UR: 13.2
10 k
0.001
VTH: 12.2
C901 R300
D904 VTL: 12.6
C913 0.001 TBPS1R104K475H5Q
SB07-03C
VR: 13.2
0.001
5 4
R906 Q307
R301
10 k CHG C303
6.8 k Q308 XP1213
XP1114
0.001
1 2 3
Q309
R310 R315
10 k 10 k
UN9114
R314
47 k
C915
0.001
+
8
7
R308
C900
6
47 k Q310
5 0.001
D302 MA2S111
UN9210
C912
D301
0.001
MA2S111
Q305
UN9210
11 - 3
VT: 0
UT: 0
VR: 3.1
C400 UR: 3.1
0.001
R401
C405
4.7 k
0.001
C404
J1 IL-WX-30SB-VF-B
0.001
LO EXTMIC
VT: 0 1 2
AF SPE
UT: 0 3 4
UMOD INTSP
VR: 0.7 5 6
GND AFO
UR: 0.7 7 8
VMOD REMOTE
9 10
PLST TXSEL
11 12
PLCK DIUD
13 14
PDA/UL DICK
15 16
GND AFV
17 18
2NDLO PSET
19 20
BTVCC VTUNE
21 22
PREF LVCO
23 24
SHIFT +3C
25 26
TXC HVCO
27 28
VCC HV
29 30
C801 C802 C800 C803
0.001 0.001 0.001 0.001
J3
52365-0690
VTH: 9.6
VTL: 9.8
UTH: 9.6
UTL: 9.8
VR: 13.2
UR: 13.2
VTUNE
+3C
R305
47 k
R304 20 k
R302
20 k
R311
R309
10 5.6 k
R303
68 k
C300
C301 0.001
0.001
5 6
VCC
R312
1 2 3 47 k
R306
470 k IC301
VTH: 0
TC4W53FU
VTL: 13.0
UTH: 0 PSET
8 1
UTL: 12.9
7 2
VR: 0 C302
6 3
UR: 0
0.001
5 4
VTH: 12.1
Q306
VTL: 12.4
UTH: 0
UN9213 VTH: 10.5
UTL: 0 VTL: 10.8
VR: 12.5 UTH: 10.6
UR: 0
UTL: 10.9
VR: 13.1
TXSEL
UR: 13.1
C : COMMON
VT : VHF TX
UT : UHF TX
VR : VHF RX
UR : UHF RX
VTH : VHF TX HI-POWER
VTL : VHF TX LOW-POWER
UTH : UHF TX HI-POWER
UTL : UHF TX LOW-POWER
SQLO : SQL OPEN
SQLC : SQL CLOSE