Icom IC-M710RT Service Manual page 68

Mf/hf marine transceiver
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J1
from
PAI
PA unit
P1
J2
from
RX
FILTER
board
C637
J2
0.001
L129
J19
100 H
T8
13.6
L137
1 H
L3
R465
22
L5
R466
22
L2
R467
22
L2
L4
R468
22
82 H
L1
R469
22
to
L6
R470
22
FILTER
C4
L0
R471
22
D235
D236
board
0.0022
1SS302
1SS302
J3
L7
R472
22
GND
GND
GND
GND
REF
REF
FOR
FOR
J15
KEY
L108
560 H
KEY
STAT
L107
560 H
STAT
TUNER
13.6
L106
2943-666663
ANTC (GND)
L105
2943-666663
ANTC
RL2
J20
FBR22D12P
THS
MF1001
M
R529
VFA-8018
MF—
2.2
J22
T8
L132
100 H
T8
THS
HL
L138
EXC-ELDR25C
13.6
C439
to
13.6
10p
PA
GND
unit
GND
J3
GND
ICA
ICA
HTP
HTP
J23
R798
1k
AFG2
AFG2
to
AFGE
CTRL2
MODE
board
MOD
MOD
J1
J9
13.6
B8
13.6
D59
13.6
DAN222TL
CK
R680
1K
P25
POC2
DATA
R681
1K
P26
STB3
R682
1K
P27
B7
OPST
R637
1K
P47
B6
to
CON0
R638
1K
P46
B5
PLL
CON1
R639
1K
P45
B4
unit
CON2
R640
1K
P44
B3
J7
STB1
R683
1K
P42
B2
STB2
R684
1K
P43
B1
8V
B0
PFSK
GND
GND
PFSK
J3
1LO
1LO
J1
2LO
1-8P: 5.2 V
L100
R449
C560
15
2.7 H
0.0047
11-18P: 12.5 V
J4
BFO
L0
from
2LO
L1
PLL
J2
L2
unit
L3
J5
L4
BFO
L5
J3
L6
L7
J16
GND
—5V
L150
100 H
—5V
+5V
L151
82 H
+5V
R1O
R850
33k
R1O
W18
T1I
R851
6.8k
T1I
RXPC
R866
1k
to
FPON
R676
1k
CTRL2
DTRM
R852
47k
board
GRST
R853
18k
GRST
J6
A3DO
R854
1k
P52
GULD
R856
1k
GULD
A4DO
R858
47k
A4DO
RXDO
R674
1k
RXDO
TXDO
R675
1k
P5O
J32
Q151
to
HVO
2SC4116
TERMINAL
HVE
L152
board
Q143
EXC-ELDR25C
J2
2SJ349
Q144
UN5211
PWON
R849
R848
J34
10k
470
13S
to
PA150W
GND
board
MAIN UNIT
J8
COMPLETE VIEW
TX: 7.9 V
R2
R4
L116
L1
15
22
100 H
W17
LR-18
T8
2
1
Q1
D5
MA862
2SC4673
TX: 1.1 V
R64
TX: 0.2 V
B0
560
C3
0.0047
C6
C8
0.0012
0.0022
4
1
3
2
C10
0.047
D1
L118
B1
MA862
560 H
1
2
D7
MA862
R413
100
R411
10k
D89
R412
DAN222TL
10k
B2
C673
100
Q79
RX: 4.0 V
UN5211
R416 22k
Q78
R414
2SC4116
10k
D88
HSM88ASR
B3
1
2
D9
MA862
L142
100 H
Q72
B4
UN5211
Q9
R799
D60
10K
DAN222TL
Q71
UN5111
Q8
IC4
TD62783AF
Q7
18
1
O1
IN1
17
2
Q6
O2
IN2
16
3
Q5
O3
IN3
15
4
Q4
O4
IN4
14
5
Q3
B5
O5
IN5
13
6
Q2
O6
IN6
12
7
Q1
O7
IN7
1
11
8
Q0
O8
IN8
2
10
9
GND
VS
D11
MA862
1-8P: 5.2 V
11-18P: 12.5 V
IC5
B6
TD62783AF
18
1
R828
10k
Q0
O1
IN1
17
2
R829
10k
Q1
O2
IN2
16
3
R830
10k
Q2
O3
IN3
15
4
R831
10k
Q3
O4
IN4
14
5
R832
10k
Q4
O5
IN5
13
6
R833
10k
Q5
O6
IN6
12
7
R834
10k
D61
O7
IN7
DAN222TL
11
8
R835
10k
O8
IN8
10
9
Q6
B7
GND
VS
Q7
D3
Q138
MA77
2SD1619
IC40
D62
S-81250PG-PD-T1
R857
DAN222TL
R824
47
560
Q8
I
O
G
Q9
Q139
IC43
Q140
B8
2SC4116
R523
TA7805F
UN5211
27
I
O
D101
G
R826
DAN222TL
4.7k
Q141
UN5111
R899
Q156
220k
Q155
DTA144EUA
DTA144EUA
RXPC
W3
2LO
L49
L50
C14
L54
L53
5.6 H
4.7 H
0.047
100 H
560 H
4
3
2
3
4
1
C12
R11
270p
220
D6
MA862
L52
C82
LR-225
0.0047
C559
0.0047
L8
L9
C20
C22
4.7 H
3.3 H
0.0027
0.0015
C18
RX: 0.1 V
200p
TX: 2.1 V
Q2
C80
2SK131
0.047
2
3
1
4
L13
L14
C28
C30
2.2 H
2.2 H
0.0015
0.001
4
3
2
D2
3
4
1
MA862
C26 12p
D8
MA862
R25
10k
C564
0.0047
R41
C624
47
L18
L19
C38
120p
1.5 H
1.5 H
470p
C34
C36
100p
560p
C101
47p
L23
L24
C44
C46
1 H
1 H
170p
330p
4
3
2
3
4
1
C42
56p
L123
L124
D10
0.33 H
0.22 H
MA862
C457
C459
1p
6p
L28
L29
C52
C54
0.82 H
0.68 H
270p
220p
C50
L73
39p
L71
L72
LR-116
0.22 H
0.27 H
C131
C133
15p
10p
L33
L34
C60
C62
C618
0.68 H
0.68 H
270p
180p
4
3
2
15p
3
4
1
C58
47p
D12
MA862
4.9 V
L38
L39
C68
C70
Q21
0.47 H
0.39 H
180p
150p
DTC114EU
C66
22p
D42
DAN222TL
D222
DAN222TL
L43
L44
C76
C78
D4
0.33 H
0.27 H
150p
100p
MA77
C74
18p
Q129
DTC114EU
MEASUREMENT CONDITIONS
Q150
R733
OSCILLOSCOPE: 20 MHz
2SC4116
47k
VOLTMETER: 50 K‰/V
Q0
Q1
R847
Q2
47
Q3
R846
Q4
D229
1k
Q147
1SS302
Q5
2SC2873-Y
Q6
Q7
C690
Q8
Q148
10
Q9
2SA1213-Y
L130
100 H
L57
L58
L59
100 H
LR-270
R33
C98
LS-163A
Q3
39
0.001
2SK131
R27
1k
TX: 0.1 V
R36
RX: 0.1 V
47k
RX: 8.4 V
R790
L60
330
C87
L55
L56
LR-116
0.0047
1 H
0.68 H
TX: 0.1
C90
C92
R765
5p
18p
330
C620
1p
Q4
2SC131
R534
1k
13.6 V
D13
L62
MA862
0.33 H
4
1
L64
L65
L66
3
2
LS-484B
LS-484B
LR-225
C102
1.6 V
47p
FI1b
0.9 V
Q5
2SC4673
TX: 4.7 V
2
3
1
4
FI1
RX: 4.7 V
FL-120
R535
D99
1k
MA802
R71
Q6
L74
L75
470
2SK2171
LS-483A
LS-254
C137
FI1a
0.1
C138
Q7
RF-POWER
0.1
2SK2171
1
1.15
R74
2
2.00
47
R72
3
3.00
470
Q137
2SC4116
D43
R706
DAN222TL
22k
R823
10k
Q111
Q23
2SA1586
2SC4116
R707
R150
220
4.7k
Q22
DTC114EU
C631
C585
0.1
0.1
5V
Q74
DTC114EU
16
3
Q0
14
Q1
2
Q2
15
10
R764
1k
PA
Q3
A
1
13
R765
1k
PB
Q4
B
6
12
R766
1k
PC
P93
Q5
C
7
11
R767
1k
PD
P94
Q6
D
4
P60
Q7
9
P61
Q8
5
P63
Q9
8
IC31
MC14028BF
R51
100
L82
100 H
IC8
LA1150N
C11
L81
120
LS-466
L80
LS-466
1 2 3 4 5 6 7 8
C111
0.001
Q10
2SA1586
Q9
Q11
2SK210
2SC4116
Q12
2SC4116
1.2 V
RX: 0.2 V
W28
D14
MA862 2
3
R521
1
4
5.6
L67
R69
L69
L70
LR-225
4.7k
1.2 H
1.2 H
C127
0.0047
D55
HSB88WSTR
RX: 0.75 V
R75 22
L78
L79
RX: 7.2 V
LS-484A
LS-471A
Q8
R79
2SK131
1M
V
RX: 0.8 V
C683
10
R159
15k
D223
R800
DAN222TL
22k
R173
Q24
100
R172
DTC114EU
D45
33k
DAN222TL
R161
2.2k
C682
R164
0.1
IC16b
220k
6
7
-
5
4
2
+
1
-
R162
3
1M
R165
+
D226
8
220k
IC16a
R169
DAN222TL
Q25
R163
IC16
470k
DTC114EU
2.2M
NJM4558M
RX: 4 V
TX: 4.2 V
TX: —0.7 V
POC2
POC1
D63
DAN222TL
R654
1k
R655
1k
D212
DAN222TL
R657
1k
R658
1k
R659
1k

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