![background image](http://html1.mh-extra.com/html/icom/ic-m710rt/ic-m710rt_service-manual_2038008061.webp)
78
80
79
77
76
75
74
73
72
71
70
69
68
67
66
65
64
63
62
61
60
59
58
57
56
55
54
53
52
51
82
83
81
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
46
47
48
45
49
50
44
43
42
41
40
39
38
37
36
35
34
33
32
31
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
IC2
HD66100F
Y51
Y52
Y53
Y54
Y55
Y56
Y57
Y58
Y59
Y60
Y61
Y62
Y63
Y64
Y65
Y66
Y67
Y68
Y69
Y70
Y71
Y72
Y73
Y74
Y75
Y76
Y77
Y78
Y79
Y80
Y30
Y29
Y28
Y27
Y26
Y25
Y24
Y23
Y22
Y21
Y20
Y19
Y18
Y17
Y16
Y15
Y14
Y13
Y12
Y11
Y10
Y9
Y8
Y7
Y6
Y5
Y4
Y3
Y2
Y1
VEE
V1
V2
V3
V4
GND
CL1
NC
SHL
CL2
DI
DO
NC
M
NC
VCC
NC
NC
NC
NC
Y31
Y32
Y33
Y34
Y35
Y36
Y37
Y38
Y39
Y40
Y41
Y42
Y43
Y44
Y45
Y46
Y47
Y48
Y49
Y50
V1
V2
V3
CL1
CL2
DO
R87
1.8k
M
78
80
79
77
76
75
74
73
72
71
70
69
68
67
66
65
64
63
62
61
60
59
58
57
56
55
54
53
52
51
82
83
81
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
46
47
48
45
49
50
44
43
42
41
40
39
38
37
36
35
34
33
32
31
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
IC1
HD6433832SD20F
P92/SEG35
P93/SEG36
P91/SEG34
P94/SEG37/M
P95/SEG38/DO
P90/SEG33
P96/SEG39/CL2
P97/SEG40/CL1
P87/SEG32
VCC
P10/TMOW
P86/SEG31
P85/SEG30
P84/SEG29
P83/SEG28
P82/SEG27
P81/SEG26
P80/SEG25
P77/SEG24
P76/SEG23
P75/SEG22
P74/SEG21
P73/SEG20
P72/SEG19
P71/SEG18
P70/SEG17
P67/SEG16
P66/SEG15
P65/SEG14
P64/SEG13
PC0/AN8
PC1/AN9
PC2/AN10
PC3/AN11
AVSS
TEST
X2
X1
VSS
OCS1
OCS2
RES
MDO
P20/IRG4/ADTRG
P21/UD
P22
P23
P24
P25
P26
P27
P30/SCK1
P31/SI1
P32/SO1
P33/SCK2
P34/SI2
P35/SO2
P36/STR8
P37/CS
VSS
P87/AN7
P86/AN6
P85/AN5
P84/AN4
P83/AN3
P82/AN2
P81/AN1
P80/AN0
AVCC
P43/IRQO
P42/TXD
P41/RXD
P40/SCK3
P17/IRQ3/TMIF
P16/IRQ2/TMIC
P15/IRQ1/TMIB
P14/PWM
P13/TMIG
P12/TMOFH
P11/TMOFL
V3
V2
V1
VCC
PA3/COM4
PA2/COM3
PA1/COM2
PA0/COM1
P50/WKP0/SEG1
P51/WKP1/SEG2
P52/WKP2/SEG3
P53/WKP3/SEG4
P54/WKP4/SEG5
P55/WKP5/SEG6
P56/WKP6/SEG7
P57/WKP7/SEG8
P60/SEG9
P61/SEG10
P62/SEG11
P63/SEG12
C5
0.01
5V
G
I
IC11
TA7805F
O
C18
0.1
L10
100
H
C9
47
C20
0.1
2
1
3
R27
5.6k
DIM2
DIM3
DIM1
J9
VCC
SP+
MOD
GND1
R97
47k
R95
15k
Q15
2SC1623
R94
47k
R96
33k
R93
4.7k
7
5
D11
1SS184
+
-
IC12b
D10
1SS184
D9
1SS184
R84
100k
W1
C74
4.7
C73
4.7
C70
0.0047
C68 1
R86
68k
C69
22
R91
100k
1
Q13
2SC1623
IC12a
R85
82k
2
4
+
Q14
DTC114EK
C72
4.7
R90
220
3
8
R89
470
C71
47
C67
2.2
R83
1k
R78
100
C65 22
R79
3.3k
R81
10k
R82
12k
C66
2.2
IC8
TA7252AP
2
1
3
4
5
6
7
IN
NF
DC
GND
OUT
BOOT
VCC
C44 0.0047
C46 47
R67
47
C45 100
R64
1k
C47 47
C48
470
C50
0.0047
R66 10k
R65
1
C49
0.1
C51
1000
Q8
2SD1899
C52
100
C53
470
C54
0.0047
DS1
HRT-3290
DS2
HRT-3290
DS3
HRT-3290
DIM3
R3
22k
R4
15k
Q1
DTC114EK
Q2
DTC114EK
Q3
DTC114EK
DIM1
DIM2
R109
100
Q5
2SB1015
R5
1.5k
R6
2.7k
Q4
2SC1623
C4 0.0047
R2
15k
D3 RD9.1M
SEG29
COM2
SEG28
COM3
SEG30
SEG31
SEG32
SEG33
SEG34
SEG35
SEG36
SEG37
SEG38
SEG39
SEG40
SEG41
SEG42
ESG43
SEG44
SEG45
SEG46
SEG47
SEG48
SEG49
SEG50
SEG51
SEG52
SEG53
SEG54
SEG55
SEG56
COM1
COM4
COM1
COM2
COM3
COM4
SEG1
SEG2
SEG3
SEG4
SEG5
SEG6
SEG7
SEG8
SEG9
SEG10
SEG11
SEG12
SEG13
SEG14
SEG15
SEG16
SEG17
SEG18
SEG19
SEG20
SEG21
SEG22
SEG23
SEG24
SEG25
SEG26
SEG27
COM3
Y16
Y15
Y13
Y17
Y18
Y19
Y20
Y21
COM3
COM4
Y22
COM4
COM1
Y23
COM2
Y24
Y25
Y50
Y26
Y27
Y49
Y51
Y52
Y53
Y54
Y55
Y56
Y57
Y58
Y59
Y60
Y61
Y62
Y63
Y64
Y65
Y66
Y67
Y68
Y77
Y69
Y70
Y71
Y72
Y73
Y74
Y75
Y76
COM1
Y29
R18
1M
Y6
Y30
COM2
DS4
DLC-7978P
Y28
Y5
Y9
Y12
Y8
Y11
Y7
Y10
Y14
Y4
P32
X1
CR-513
C11
12p
R21
10k
C12
12p
P55
R25
18k
R20
10k
R24
18k
R23
18k
R19
10k
R22
18k
R28
10k
R29
10k
P30
R30
10k
P53
P54
P62
R26
18k
S16
FUNC
S17
CH/FREQ
S18
MODE
S19
ALARM
S20
2182
S21
TX FREQ
S22
TUNE
S23
AGC
S24
SQL
S25
DIMMER
S26
SPEAKER
S27
NB
1
S3
2
S4
3
S5
4
S6
5
S7
6
S8
7
S9
8
S11
9
S10
0
S12
CE
S13
RX
P61
P56
P10
P86
P12
P13
P87
P67
P66
P65
P63
P50
P64
P37
P33
P34
P36
P31
P35
S14
TX
G
R10 47k
O
IC3 S80741AL
I
C9
0.0047
C14
0.01
2
1
3
Q6
2SC1623
R17
220k
R16
220k
D4
1SS184
C10
0.22
R13
1k
R14
470k
R12
100k
5V
5V
VOL
VOL
VOLE
VOLE
W10
5V
J3
5V
CUL
CUL
GND
GND
J4
R11 47k
UPI
UP2
C8
0.0047
DNI
NC
NC
GND
GND
J5
GND
GND
NC
NC
DN2
J6
P60
P57
P52
P51
6
5V
5V
VOL
VOL
VOLE
VOLE
5V
J1
5V
CUL
CUL
GND
GND
J1
R1
10kB
VR2 BOARD
VR1 BOARD
R1
10kB
VOLUME
UPI
UP2
DNI
NC
NC
GND
GND
J1
GND
GND
NC
NC
DN2
J1
S1
2
SENSOR1 BOARD
GROUP
S1
SENSOR2 BOARD
CHANNEL
AF2
MICE
MIC
MTSW
AF1
AFE
J8
SP-
SP-
MIC BOARD
SP+
SP+
+
J7
P1
-
GND
PTT
PTTE
SP1
GND
AF2
MICE
MIC
MTSW
AF1
AFE
J2
GND
PTT
PTTE
GND
C61
0.0047
L7
100 H
5
C62
0.0047
C63
0.0047
L8
100
H
L9
100 H
L6
BL01RN1
C58
0.0047
L3
BL01RN1
RL1
AG201344
C56
0.0047
D5
1SS184
R68 47
R69
1k
R70
47k
C55
0.01
Q7
DTC114EK
1
7
3
8
4
J1
R15 10k
LOGIC BOARD
6
IC12
NJM4558M
R63
3.3
R88
680
S15
-
C17
10
C15
0.01
C7
0.1
VCC
13-6
LVOC
Q11
2SD1664
C25
0.0047
C24
47
R33
4.7k
C21
10
C23
0.01
D8
RD9.1M
L4
100 H
L5
BL01RN1
R80
3.3
Q12
DTC114EK
D6
1SS184
POSW
J2
+5V
VCC
13-6
P2
S1
POWER
+5V
A3RX
J10
FRST
GND1
FTXO
A2TX
FULO
A4RX
FRXO
GND2
2
4
1
IC10
TC4S66F
VCC
VCAOUT
CTL
VGAIN
NC
VCC2
IN+
IN-
OUT
GND
C57
0.0047
W8
WC
SCL
SDA
A0
VCC
VSS
A2
A1
D7
1SS184
R105
1K
R34
10K
C59
0.0047
R72
4.7k
R73
4.7k
M2A0
ALAM
SMUT
R71
1k
AFDT
B
E
A
F
D
C
C60
0.0047
R77 68k
C44 0.0047
C83 47
R76
47k
C43
4.7
R75 1k
C42 4.7
C77
0.0047
C75
0.0047
C76
0.0047
C79
0.0047
C80
0.01
R104 1k
R103 1k
R102 1k
R101 1k
R100 1k
R99 1k
R98 1k
C32
0.1
R45
680
R44
1k
R43
47k
C30
0.1
R41
470
R42
22K
C31
10
R40
100
R39
10k
C28
0.01
R35
10k
R37
100k
R38
100k
C26
47
R36
10k
C29
1
Q9
DTC114EK
C27
1
Q10
2SC1623
R48
10k
C33
10
47
C36
10
R50
4.7K
1.8K
3.3K
C39
0.1
R53
220K
R52
3.3K
C38
0.047
C37
0.0047
R58
4.7k
C41 1
C40
0.1
R55
47k
R54
47k
C82
0.1
R560 680
C35
47
R49 220
IC9
M5282FP
1
2
3
4
5
10
9
8
7
6
IC7
X24C01AS
1
2
3
4
8
7
6
5
R32
22K
R31 22K
C15
0.01
C6 22
to
CTRL1
board
J4
A2TX
FRST
FULD
A3RX
A4RX
STXO
FBXO
R1
47K
AFV
BEEP
SOLE
AFDT
3
5
M2A0
M1A0
A4RX
A3RX
FTXD
FRXD
FUL0
AFV
BEEP
M1A0
TXH
FULD
FRST
PWON
SOLE
SMUT
A2TX
ALAM
M1A0
R9 47k
R7 15k
R8 47k
to
CTRL1
board
J1
W7
W8
W9
W10
W11
CLARITY
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
62
63
64
61
60
59
58
57
56
55
54
53
52
51
50
49
48
47
46
45
44
43
42
41
40
39
38
37
36
35
34
33
32
W4
W3
W2
Y49
Y50
Y51
Y52
Y53
Y54
Y55
Y56
Y57
Y58
Y59
Y60
Y61
Y62
Y63
Y64
Y65
Y66
Y67
Y68
Y69
Y70
Y71
Y72
Y73
Y74
Y75
Y76
Y77
Y30
Y29
Y28
Y27
Y26
Y25
Y24
Y23
Y22
Y21
Y20
Y19
Y18
Y17
Y16
Y15
Y14
Y13
Y12
Y11
Y10
Y9
Y8
Y7
Y6
Y5
Y4
C34
R46
R47
AF
MODE
AFGE
AFG2
MSEL
P51
W11
P30
P31
P32
P33
P34
P35
P36
P37
V3
V2
V1
COM4
COM3
COM2
COM1
P50
P51
P52
P53
P54
P55
P56
P57
P60
P61
P62
P63
POSW
P67
P66
P65
P64
TXH
MSEL
SPOF
M
DO
CL2
CL1
PC1
PC0
TX: 0 V
RX: 13.6 V
TX: 4.6 V
RX: 0 V
13 V
MEASUREMENT CONDITIONS
OSCILLOSCOPE: 20 MHz
VOLTMETER: 50 k‰/V
13.5 V
13.6 V
5.1 V
5.0 V
4.2 V
40 mVp-p
0.1 s
5 V
13 V
TX: 4.6 V
RX: 0 V
TX: 0.6 V
RX: 0 V
TX: 0 V
RX: 7 V
7.6 V
3.8 V
8 V
3.8 V
DIM1 8.3 V
DIM2 7.4 V
DIM3 6.2 V
DIM4 4.4 V
OFF 0 V
13.6 V
8 V
+8V
+8V
+8V
D
D
R
1
C12
22
C13
0.1
8
R51
680
R52
4.7k
IC6c
W6
W5
W4
SP+
GND1
VCC
VCC
13-6
LVCC
MODF
MOD
AFGE
AFG2
W3
to
LOGIC
board
J9
L1
FK-060C-1020
HV
GND
J4
J3
J2
C1
0.0047
D10
DSA3A1
C3
0.001
C5
470
C4
0.0047
C2
0.001
GND1
A2TX
FRST
+5V
FULO
A3RX
A4RX
FTXO
FRXO
GND2
to
LOGIC
board
J10
J1
C26
0.1
Q
2
R36
C59
120p
C60
120p
L3
0.33 H
J5
to
optional
unit
OPC 776
to
optional
unit
OPC-774
to
optional
unit
OPC-774
0.8 Vp-p
RX:
5 V
SECTION 10 VOLTAGE DIAGRAM
COMPLETE VIEW