![background image](http://html1.mh-extra.com/html/icom/ic-m710rt/ic-m710rt_service-manual_2038008068.webp)
J2
J1
L3
T8
13.6
L5
L2
L4
L1
L6
L0
L7
GND
GND
GND
GND
REF
FOR
R465 22
R466 22
R467 22
R468 22
R469 22
R470 22
R471 22
R472 22
KEY
J15
STAT
J19
13.6
ANTC (GND)
L105 2943-666663
L106 2943-666663
C362
0.0047
C363
0.0047
C361
0.0047
C364
0.0047
ANTC
KEY
STAT
J20
THS
MF—
C455 170
R529
2.2
C454
0.0047
C641
0.0047
C565
0.0047
L138 EXC-ELDR25C
C640
0.0047
C569
0.0047
W10
HL
13.6
T8
J22
THS
13.6
GND
GND
GND
ICA
HTP
C568
0.0047
C644
0.0047
L132 100 H
J23
MODE
AFG2
AFGE
MOD
MOD
AFG2
HTP
ICA
T8
13.6
J9
13.6
13.6
CK
DATA
STB3
OPST
CON0
CON1
CON2
STB1
STB2
8V
PFSK
GND
GND
R680 1K
R684 1K
R683 1K
R640 1K
R639 1K
R638 1K
R637 1K
R682 1K
R681 1K
C555
0.0047
C534
0.0047
C532
0.0047
C533
0.0047
PFSK
J4
J3
J5
2LO
1LO
BFO
R450
330
R449
15
R448
330
L100
2.7 H
2LO
C560
0.0047
1LO
BFO
C408
100p
MAIN UNIT
L0
L1
L2
L3
L4
L5
L6
L7
18
17
16
15
14
13
12
11
10
1
2
3
4
5
6
7
8
9
O1
O2
O3
O4
O5
O6
O7
O8
GND
IN1
IN2
IN3
IN4
IN5
IN6
IN7
IN8
VS
R835 10k
R834 10k
R833 10k
R832 10k
R831 10k
R830 10k
R829 10k
R828 10k
C387
0.0047
R493
47k
R494
47k
Q138
2SD1619
R824
560
Q139
2SC4116
R826
4.7k
R825
1.5k
R827
3.3k
Q140
UN5211
D62
DAN222TL
D61
DAN222TL
Q0
Q1
Q2
Q3
Q4
Q5
Q6
Q7
Q8
Q9
IC5
TD62783AF
B7
B6
B5
B4
B3
B2
B1
B0
C655 0.1
R537 1k
C656 0.1
R538 1k
C657 0.1
R539 1k
C658 0.1
R540 1k
C659 0.1
R541 1k
C660 0.1
R542 1k
C661 0.1
R543 1k
C662 0.1
R544 1k
18
17
16
15
14
13
12
11
10
1
2
3
4
5
6
7
8
9
C374
0.0047
O1
O2
O3
O4
O5
O6
O7
O8
GND
IN1
IN2
IN3
IN4
IN5
IN6
IN7
IN8
VS
IC4
TD62783AF
R481
47k
D60
DAN222TL
Q8
Q7
Q6
Q5
Q4
Q3
Q2
Q1
Q0
Q9
Q72
UN5211
B8
R799
10K
POC2
Q71
UN5111
L142
100 H
L1
W17
LR-18
R778
1k
R4
22
C448
0.0047
L116
100 H
C88
0.047
R6
4.7k
Q1
2SC4673
R7
820
C639
0.0015
R5
10
C2 0.047
C3
0.0047
R8
470
L1
17
560
H
R10
470
R9
470
C9
0.047
L1
19
560
H
C629
0.012
C7
0.015
L4
3.9
H
C5
0.01
L3
4.7
H
C4
0.0022
C6
0.0012
C8
0.0022
L2
82 H
R64
560
C434
0.0047
R411
10k
R2
15
R1
330
R3
330
R413 100
D89
DAN222TL
RL2
FBR22D12P
C435
0.0047
C673
100
R415
33k
R414
10k
Q78
2SC4116
C436
2.2
C437
0.047
C438
15P
C439
10p
D88
HSM88ASR
R416 22k
C444
0.047
4
3
1
2
D1
MA862
D5
MA862
2
1
4
3
L49
5.6 H
L50
4.7 H
C12
270p
R11
220
C14
0.047
L51
560
H
C15
0.1
C13
0.0018
C1
1
0.0022
L8
4.7 H
L7
100
H
R12
220
C16
0.1
C17
0.0015
C18
200p
L9
3.3 H
C19
0.0015
C21
0.012
C20
0.0027
L10
3.3
H
L1
1
5.6
H
C23
0.1
D7
MA862
3
4
2
1
C24
0.1
R13
220
C25
560p
C627
270p
C27
560p
C29
0.0047
C625
0.0022
C31
0.1
L13
2.2 H
L14
2.2 H
C28
0.0015
C30
0.001
C26 12p
L12
100
H
L15
2.2
H
L16
1.8
H
B0
B1
B2
L18
1.5 H
L19
1.5 H
C34
100p
C32
0.1
L17
100
H
R14
220
C33
560p
C35
470p
C624
120p
C36
560p
L20
1.8
H
C37
0.0018
C623
0.0015
C39
0.1
L21
1.2
H
B3
D9
MA862
3
4
2
1
L22
100
H
C40
0.1
L24
1 H
L23
1 H
C42
56p
C41
470p
C43
330p
C45
0.0022
L25
1H
C622
0.0047
C47
0.1
C44
170p
C46
330p
L26
0.82
H
R15
220
L27
100
H
C48
0.1
R16
220
C49
390p
C51
300p
C50
39p
L28
0.82 H
L29
0.68 H
C53
0.0022
C52
270p
L30
0.68
H
C54
220p
B4
B5
C55
0.1
L31
0.68
H
D11
MA862
3
4
2
1
L32
100
H
C56
0.1
R17
220
L33
0.68 H
L34
0.68 H
C58
47p
C57
300p
C59
220p
C60
270p
L35
0.47
H
C61
0.0015
L36
0.56
H
C63
0.1
B6
L37
100
H
C64
0.1
R18
220
L38
0.47 H
L39
0.39 H
C66
22p
C65
200p
C67
180p
L40
0.39
H
C69
0.0015
C68
180p
B7
L41
0.37
H
C70
150p
C71
0.1
R20
1k
L120
560
H
C72
0.1
L42
100
H
D3
MA77
R19
220
C73
150p
C75
100p
C74
18p
L43
0.33 H
L44
0.27 H
C77
0.001
L45
0.27
H
C76
150p
R21
1k
L121
560
H
L46
0.33
H
C79
0.1
C78
100p
D4
MA77
3
4
2
1
D12
MA862
4
3
2
1
D10
MA862
D8
MA862
1
2
3
4
4
3
2
1
D6
MA862
2LO
1LO
L54
100 H
C83
0.047
L53
560 H
R518
470
C81
0.047
C559
0.0047
R23
470
C82
0.0047
L52
LR-225
C80
0.047
D2
MA862
2
1
3
4
Q2
2SK131
R22
470
L122
560
H
C84
0.047
R24
470
R807
ER
T
-D22GLG015
C85
0.0047
R25
10k
R41
47
C100
0.0047
D224
RD13E
C564
0.0047
R43
5.6k
C103
220p
R46
10
Q5
2SC4673
R45
1.5k
C101
47p
R44
47
R766
10
L61
10
H
C102
47p
C456
10p
C458
10p
C457
1p
C459
6p
L123
0.33 H
L124
0.22 H
C460
1p
R47
1k
D99
MA802
4
3
1
2
L57
100 H
L58
LR-270
R27
1k
R37
1k
Q3
2SK131
C95
0.0047
C94
0.0047
R90
ER
T
-
D2ZGL301S
R28
390
C87
0.0047
L55
1 H
C90
5p
C620
1p
C92
18p
C628
15p
C89
15p
C91
39p
C93
22p
R26
470
C633
0.047
R38
1k
C583
0.0047
C99
0.0047
Q4
2SC131
L60
LR-116
R790
330
R765
330
R39
15
C461
0.001
R29
2.2k
C96
5p
L59
LS-163A
R32
150
R34
150
R33
39
C98
0.001
R35
2.2
L130
100 H
C581
0.0047
R534
1k
C462
0.0047
D13
MA862
4
3
1
2
R67
2.2k
C120
0.0047
C121
15p
L64
LS-484B
FI1b
C122
15p
L65
LS-484B
L66
LR-225
D55
HSB88WSTR
C669
22p
L67
LR-225
C126
56p
C127
0.0047
R69
4.7k
L69
1.2 H
L70
1.2 H
C128
330p
C129
330p
D14
MA862 2
1
3
4
L71
0.22 H
L72
0.27 H
C131
15p
C133
10p
C618
15p
C130
82p
C132
150p
C134
82p
L73
LR-116
C135
0.047
R70
470
R71
470
C137
0.1
C138
0.1
R72
470
Q6
2SK2171
Q7
2SK2171
L76
LA-245
R702
470
R535
1k
C464
0.0047
C463
0.001
R73
22k
C139
9p
C140
0.047
R74
47
C141
0.0047
L77
10
H
L74
LS-483A
L75
LS-254
R789
150
C142
15p
FI1a
C143
5p
L78
LS-484A
C145
0.0047
R75 22
R76
22k
C144
0.001
R79
1M
C149
0.0047
R80
100
C147
0.0047
C146
0.0047
R77
10k
R517
2.2k
Q8
2SK131
C150
8p
L79
LS-471A
R81
100
C151
0.0047
R138
100k
Q21
DTC114EU
Q129
DTC114EU
D222
DAN222TL
D42
DAN222TL
D43
DAN222TL
R139
47k
R140
100k
C218
22
C648
0.0047
R149
10
R703
15k
R704
3.3k
C217
0.0047
Q22
DTC114EU
R143
47k
R707
220
R705
47k
R708
1k
Q111
2SA1586
R709
33k
C222
220p
C632
10
R150
4.7k
Q23
2SC4116
D45
DAN222TL
D226
DAN222TL
R158
10k
R771
2.2k
R772
5.6
R157
33k
R797
10k
-
+
7
6
5
R162
1M
R163
2.2M
IC16b
R161 2.2k
R164
220k
R165
220k
R166
100k
-
+
1
2
3
C225
0.0047
C226
22
4
8
IC16a
R168
470k
C574
100p
R169
470k
R801
100k
R171
15k
R800
22k
D223
DAN222TL
R172
33k
R545
100k
Q25
DTC114EU
Q24
DTC114EU
R167
220
Q0
Q1
Q2
Q3
Q4
Q5
Q6
Q7
Q8
Q9
C528
0.0047
C527
0.0047
C526
0.0047
C525
0.0047
C524
0.0047
C519
0.0047
C520
0.0047
C521
0.0047
C522
0.0047
C523
0.0047
3
14
2
15
1
6
7
4
9
5
10
13
12
11
C585
0.1
16
8
R764 1k
R765 1k
R766 1k
R767 1k
Q0
Q1
Q2
Q3
Q4
Q5
Q6
Q7
Q8
Q9
A
B
C
D
IC31
MC14028BF
R159 15k
R823
10k
C684
0.47
R822
100k
Q137
2SC4116
C682
0.1
PA
PB
PC
PD
C631
0.1
ICA
REF
Q74
DTC114EU
5V
HTP
P93
P94
P60
P61
P63
R664
47k
R663
47k
C546
0.0047
C547
0.0047
C548
0.0047
C550
0.0047
C551
0.0047
R654 1k
R655 1k
R657 1k
R658 1k
R659 1k
ALMC
CSEN
ASEN
D212
DAN222TL
D63
DAN222TL
C643
0.0047
C642
0.0047
POC2
POC1
FOR
T8
MFOR
R173
100
R48
4.7k
C104
2p
R49
1k
Q9
2SK210
R50
4.7k
L80
LS-466
Q10
2SA1586
1
2
3
4
5
6
7
8
IC8
LA1150N
C106
0.0047
R51
100
C107
0.0047
C1
10
10
C109
0.0047
C108
0.0047
RSM
R53
47k
C1
12
0.0047
R56
1k
C1
14
10
C1
13
0.047
R55
100
R54
47k
R57
4.7k
L81
LS-466
R58
10k
Q11
2SC4116
AGCS
L62
0.33 H
PAI
RX
C637
0.001
L94 EXC-ELDR25C
T8 (A)
T8
L118
560 H
C10
0.047
R412
10k
Q79
UN5211
D59
DAN222TL
C22
0.0015
C38
470p
C62
180p
L56
0.68 H
R36
47k
L82
100 H
from
PA unit
P1
from
FILTER
board
J2
to
FILTER
board
J3
TUNER
M
MF1001
VFA-8018
to
PA
unit
J3
to
CTRL2
board
J1
to
PLL
unit
J7
J1
J2
J3
from
PLL
unit
P25
P26
P27
P47
P46
P45
P44
P42
P43
FI1
FL-120
IC16
NJM4558M
C86
0.1
C683 10
R52
100k
C111
0.001
C11
120
GND
—5V
+5V
R1O
T1I
RXPC
FPON
DTRM
GRST
A3DO
GULD
A4DO
RXDO
TXDO
R850 33k
R851 6.8k
R866 1k
R676 1k
R852 47k
R853 18k
R854 1k
R856 1k
R858 47k
R674 1k
R675 1k
L151 82 H
L150 100 H
C696
0.0047
C697
0.0047
C704
0.0047
C705
0.0047
HVE
HVO
C694 0.0047
C695
0.0047
R849
10k
R848
470
Q144
UN5211
Q143
2SJ349
L152
EXC-ELDR25C
C701
0.1
R739
47k
R857
47
C692
10
C693
0.1
I
G
O
C691
10
IC40
S-81250PG-PD-T1
R738
47k
W18
R523
27
C449
10
C450
0.1
I
G
O
C452
0.1
IC43
TA7805F
C451
4.7
R899
220k
R864
47k
Q151
2SC4116
R884
470k
Q141
UN5111
Q156
DTA144EUA
Q155
DTA144EUA
D101
DAN222TL
R733
47k
R855
47k
Q150
2SC4116
R798
1k
C714
220p
L154
0.22
H
R706
22k
C709
0.0047
R520
820
R522
820
R521
W28
5.6
Q12
2SC4116
Q147
2SC2873-Y
Q148
2SA1213-Y
R846
1k
R847
47
C689
47
D229
1SS302
C690
10
L129
100 H
L137 1 H
L108 560 H
L107 560 H
J16
J32
to
CTRL2
board
J6
to
TERMINAL
board
J2
R900 47
+5V
—5V
R1O
T1I
GRST
P52
GULD
A4DO
RXDO
P5O
C703
0.0047
FPON
P90
P91
CPU5
DTR
d
f
g
h
REF
FOR
PWON
PBO8
c
RXPC
GND
J34
to
PA150W
board
J8
13S
D235
D236
1SS302
1SS302
C720
B8
W3
POC2
TX: 7.9 V
TX: 1.1 V
TX: 0.2 V
RX: 4.0 V
1-8P: 5.2 V
11-18P: 12.5 V
1-8P: 5.2 V
11-18P: 12.5 V
MEASUREMENT CONDITIONS
OSCILLOSCOPE: 20 MHz
VOLTMETER: 50 K‰/V
RX: 0.1 V
TX: 2.1 V
RX: 0.1 V
RX: 8.4 V
TX: 0.1 V
TX: 0.1
13.6 V
1.6 V
0.9 V
TX: 4.7 V
RX: 4.7 V
RF-POWER
V
1.15
2.00
3.00
3
2
1
RX: 0.75 V
RX: 7.2 V
RX: 0.8 V
4.9 V
RX: 4 V
TX: —0.7 V
TX: 4.2 V
1.2 V
RX: 0.2 V
COMPLETE VIEW