Icom IC-7700 Service Manual page 113

CTRL BOARD
J101
1811P342
CTIN C102 C120
D101 2P 33P
C115
R105
C105 33P
R118
C121 33P
220K
0 33P
HSM88AS R103
L101
10K
R101
10
C119
56P
R102
10
LR-502
D102
R119 R104
0 10K R106
HSM88AS
220K
C116
C103
C106 75P
75P
2P
R158
C151 C156 R157
100 10K
3P 0.0047
IC151
1
2
3
D151 4
HSM88AS 5
6
C155 R155
78
L151
100
82P
TC74AC04F
R159 10K
D152
LR-502
HSM88AS
C202 D202
1P
HSM88AS
L201
LR-502
D201
HSM88AS
J351
TMP-J01X-V6
L403
RX-ANT
1 10
3 8
5 6
RL254
LR-527
L404
1 10
3 8
SIP-1A 5 6
LR-527
Q256
DTC114EU
R251
Q255 SRYH-350L
UMD3N
RL252
J251
1811P342
THRU1
TUIN
FTR-F1
RL253
J252
1811P342
TUOT
THRU2
FTR-F1
D301
C301
1P
HSM88AS
R304
L301
82K
1811P342
J301 D302
TX/RX-A HSM88AS
LR-502
10 - 23
R115
R111 2.7M
2.7M
REF
R113
3
1
1K
2 IC101
NJM4558M
D103
1 4
R112
1.2M 2 3 8 IC101
V+
1SS319
R114 FOR
5 GND
7 1K 4
6 IC101 NJM4558M
NJM4558M
IC153
R160
1 5
2
47 R164
3 4 IC156
14
47
2Q
13 TC7SZ32F 9
2PR
12 0.1 10
C180 IC155
2J
11 1 5 11
2K
10 C173 0.0047 2 12
R168 2CK
9 IC154 3 4 13
2CLK
1 5 14
47 1CLK
2 15
TC7SZ32F
R161 R165 VCC
3 4 16
C175
47 TC74ACT112 F
47
TC7SZ32F
0.0047
0.1
C181
C174 0.0047
Q153 Q151
D TA114EU D TC114EU
Q152
8
D TC114EU R221
V+
IC201
C218
GND NJM4558M
82K
NJM4558M 0.0047
R213 5.6K 4
IC201
R214 5.6K
R225
3
1
C211
10K
0.0047 2
R223
R215
R211 100K
2.2K
R222 1.5M
R210
100K
Q20 1 R216 5.6K NJM4558M
1K R226
IC201
2SK515 R217 6.8K
5
C212
10K
7
0.0047
R218
R212 6
R224
10K
100K
1.5M
D TC114EU
R439
Q25 4
150
EP3 M PZ1608S221A
Q252 3R3V EP4 M PZ1608S221A
2SB1123 -12VL
Q253 2SD1619
C418
C420
R440
0.1
470
MPZ2012S331A
EP401
EP14
MPZ1608S221A
1
2
3R5M R409 22
3
5M R410 22
4
7M R411 22
5
10M R412 22
6
14M R413 22
7
18M R414 22
8
24M R415 22
9
VHF R416 22
10
EP15 MPZ2012S331A
11
FANC
12
+15V
13
+15V
14
CO3
15
CO2 C417
16
CO1 C419
17
VHCO
18
VHCI
19
IC401
CI3
20
CI2
21 GND
CI1 R401 22 10
22 O8
R402 22 11
23 O7
R403 22 12
24 O6
13
EP16 R404 22
O5
MPZ2012S331A R405 22 14
O4
R406 22 15
J51 O3
R407 22 16
52793-2470
O2
17
R408 22
O1
18
TD62783AFG
R309
220K
R310
2.2M
2
R311
1
3
10K
IC301
R305 NJM2903 M
R308
2.2M
220K
L302
100U
6 8
7 V+
IC301
5 GND NJM2903M
IC301
4
NJM2903M
AN1
AN0
L102
+5VL
10U
L103
-12VL
100U
R170 C163 R173
47 220P 3.3K
GND
8
2Q
7
1Q
6
1Q
5
1PR
4
1J
3 D154
1K R171 C164
2
1CK
1
47 220P
HSM88AS
L152
10U
+5VL2
-12VL2
R227
AN3
10K
R228
AN2
10K
EP13
MMZ1608B301CT
+15VL
C436
0.1
VDD1R5
EP12
MMZ1608B301CT
EP402
MPZ1608S221A
10
IC402
GND VCC
10 9
O8 I8
11 8
O7 I7
12 7
O6 I6
13 6 IC51
O5 I5
14 5 1 16
O4 I4 STROBE VCC
15 4 2 15
O3 I3 DATA OE
16 3 3 14
O2 I2 CP Q4
17 2 3R5M 4 13
O1 I1 Q0 Q5
18 1 4R6M 5 12
Q1 Q6
TD62783AFG 5M 6 11
Q2 Q7
7 10
IC403 R51 1K 4R6MOL
Q3 QS2
R52 1K 8 9
GND VCC GND QS1
10 9 R53 0 7M
O8 I8
11 8 R54 0 10M CD74HC4094M
O7 I7
12 7
R55 0 14M
O6 I6
13 6 R56 0 18M
O5 I5
14 5 R57 0 24M
O4 I4
15 4 R58 0 VHF
O3 I3
16 3
O2 I2
17 2
O1 I1
18 1
TD62783AFG R40 1K
R59 0 CO 3
10 R60 0 CO 2
0.1 R95 0 R61 0 CO 1
R62 0 NVHF
R63 0 CI3
R64 0 CI2
VCC
9 R97 0 R65 0 CI1
I8
8
I7
7
I6
6
4R6MOL
I5
5 DTC114EU
I4
4
I3
3
I2
2 Q53
I1
1
+5VL
DTC114EU
Q51
DTC114EU
Q52
-12VL -12VL
INT2 INT2
C40
0.1
IC6
FANCB
4 3
+5VL 2
5 1
CNTR0 TC7S08F CNTR0
TRC TRC
+15VL +15VL
+3R3VL +3R3VL
T8V T8V
FOR FOR
REF REF
TDE TDE
CSTB CSTB
TDAT TDAT
TCK TCK
IC3
R20 R22
D1
4 3
2
12K RD5.1M 1.2K
5 1
TC4S69F
C25
0.1
TA7805F
IC4
Q59
DTC114EU +5VL
O I
G
TRC
Q1
D TA114EU Q2
DTC114EU
THRU1 THRU1
THRU2 THRU2