Icom IC-718 Service Manual Addendum page 144

SENSOR
EP1 S1 J1
1 +5V 1
SEN1
2 2
3 SEN2 3
4 GND 4
5
D46
NNCD6.2G
1 2
R2 10k-B
EP40
AF
R4
AFGL
6.8k 1 AFGL 1
SQL/RF GND
2 GND 2
RFGL
3 RFGL 3
GND
4 4
GND
RITL
5 RITL 5
R1 10k-B
GND
6 GND 6
SFTL
RIT 7 SFTL 7
GND
8 GND 8
5VL
9 5VL 9
GND
10 GND 10
SHIFT
C46
0.0047
VR BOARD
C45
0.0047
J1 J2 J4 L41
100H
MIC
1 1 MIC 10
7 MICE
2 MICE 9
6 8 2 GND C47 L43
3 GND 8
AFO 0.0047 HF50ACC322513-B
4 AFO 7
5 3
SEND L44 100H
4 SEND 6
5
SQLS EP45 MMZ1608Y102BT
SQLS
6 5
UD
7 UD 4
8V EP46 MMZ1608Y102BT
8 8V 3
GND
9 GND 2
GND HF50ACC322513-B
10 GND 1
MIC BOARD
J2 J5
PHONES L1
GND
J1 HF50ACC322513-B 10
GND 1
1 AFE
9 AFE 2
2 R1 100
AFE
8 AFE 3
4
AFE
7 4
3 AFE
R2 100 AFO
L49
6 AFO 5
7 AFO
HF50ACC322513-B
5 AFO 6
8
AFO
4 AFO 7
ESPO
R3 3 ESPO 8
ESPO
1k
2 ESPO 9
ESPO
C3 1 ESPO 10
C1
0.0047
0.0047
C2 PHONE BOARD
0.0047
POWER
MODE FIL TS
D45
D44
DAN202k
1SS355
P67
R43
47k
D48*
P60
*SET-ON
D48 1SS355
OTH2, OTH3 D49*
P61
D49 1SS355
D50
P62
OTH, OTH3
D51* P63
D51 1SS355
OTH2, OTH3
P65
D53
1SS355
P66
D54
1SS355
P67
D55
1SS355
J9
R212
220
16 P27
SRST
R177
15
FSKK
220
P24
14
CON0
R176 220 P25
13
CON1
R175 220 P26
12
CON2
R174 220 P32
11
PDAT
R173 220 P30
PCK 10
R172 220 P33
DSTB 9
P34
R171 220
PSTB 8
P23
DNB 7
13V 6 R193
220
13V 5
13V 4
8V
8V 3
NC 2
GND 1
FSKK
13V
DNB
L40 100H
R48 C42
1M 0.0047
R46 R47
8
100k
220k 1
7 P16
2
R44
C40
10 R45
100p IC40A R49
4
100k
100k
TC7W32F
R53 1M
R51 R52
4 220k 100k
5
P21
3
6
R50
C41
3
100k IC40B
100p R54
TC7W32F 100k
R56 R55
47k 47k
P20
P22
EP2
PB0
4.8V
S39
PB1
S38
PB2 S37
S36
PB3
8V
C43
R59
0.0047 10k
C44
0.0047
S1
S2
S3
L42 S4
100H MIC S5 100
MICE
PHO
P43
5V
D47
R62
L47
1SS355
R63 2.2k
2.2k
SPE
PHOE
P16
PHO
3.6
L48 V
HF50ACC322513-B
1.8
V
0
0.1S
R7 22k
X1 CR-567
9.8304 MHz
C1 R1
15p 1M
LOCK 1 2 3
R35 R34 R31 R33 R32
47k 47k 47k 47k 47k
P20
D30 D31 C2
P21
DAN202K DAN202K 15p
P22
P60
R36
4 5 6
47k
D32
D33
1SS355 DAN202K
P61
P23
R37
7 8 9 47k
Q3
R8
DTA114EU
10k
D34 D35
1SS355 DAN202K
P62
R38
0 ENT 47k
D36 D37
DAN202K
1SS355
P63
R39
47k V3
V2
NB COMP TUNER
V1
D38 D39 COM1
1SS355 DAN202K COM4
P64 COM3
COM2
R40
P.AMP ATT SET
47k
D41 5V
D40
DAN202K
1SS355
8V
P65
R41
W101 CH DN UP
47k
R22
1k
R20
47k
W102
D42 D43
1SS355 DAN202k
P66
R21 C7
39k 1
R42
47k
DS1
A0087
LCD
81 50
Y50 NC
82 49
Y49 NC
83
48
Y48 NC
84
47
Y47 NC
85 46
VCC
Y46
86 45
NC
Y45 P94
87 44
M
Y44 C20
88 43
NC 0.1
Y43
89 42
DO
Y42
90 41 P95
Y41 IC7 DI
91 40 P96
Y40 CL2
92 HD66100F 39
Y39 SHL
93 38
Y38 NC
94 37 P97
Y37 CL1
95 36
Y36 GND
96 35 V2
Y35 V4
97 34 V3
Y34 V3
98 33
Y33 V2
99 32 V1 R14 R15
Y32 V1
31 100k 100k
Y31 VEE
R2
22k
4.9V
P40
R30
C21
47k 0.1
C22
0.1
75 P97
1 P97/SEG40/CL1
PC3/AN11 74 P96
2 P96/SEG39/CL2
AVSS 73 P95
3 P95/SEG38/D0
TEST 72 P94
4 P94/SEG37/M
X2 71 P93
5 P93/SEG36
X1 70 P92
6
P92/SEG35
VSS 69
7
P91/SEG34
OSC1 68 P90
8
P90/SEG33
67 P87
9
P87/SEG32
RES 66 P86
10 IC1
P86/SEG31
MD0 65 P85
11 P85/SEG30
P20/IRQ4/ADTRG HD6433837SD17H 64 P84
12 P84/SEG29
P21/UD 63
13 P83/SEG28
P22 62
14 P82/SEG27
P23 61
P24 15 P81/SEG26
P24 60
P25 16 P80/SEG25
P25 59
P26 17 P77/SEG24
P26 58
P76
P27 18 P76/SEG23
P27 57
P75
P30 19 P75/SEG22
P30/SCK1 56
P74
20 P74/SEG21
P31/SI1
55 P73
P32 21 P73/SEG20
P32/SO1 54 P72
P33 22 P72/SEG19
P33/SCK2 53 P71
P34 23 P71/SEG18
P34/SI2 52 P70
P35 24 P70/SEG17
P35/SO2 51 P67
P36 25 P67/SEG16
P36/STRB
C6 0.1
LOGIC UNIT
W1 R11 R12 R13 R10
100k 100k 100k 100k
R5 R4 R3
10k 10k 10k
When turn power ON.
C3
IC5
IC3
13.8V 0.01 4.8V 12.5V
S-80942ANMP TA78L05F
0V
1 5
OUT
CD O I
2
VDD 5.0V G
3 4
NC
VSS
C14 C13 C12 C11
C8
C9
0.1 10 10 0.1
0.1 0V
0.01
100 mS
Hi : 6.0V Q70
Lo : 5.6V
2SD1619 T
OFF: 4.4V
DS70 DS73 DS76 DS79 DS82 DS85 DS88
TLYU1002 TLYU1002 TLYU1002 TLYU1002 TLYU1002 TLYU1002 TLYU1002
R70 R71 R72
330 560 820
DS71 DS74 DS77 DS80 DS83 DS86 DS89
Hi : 6.6V
TLYU1002 TLYU1002 TLYU1002 TLYU1002 TLYU1002 TLYU1002 TLYU1002
Lo : 6.3V
OFF: 4.9V
DS72 DS75 DS78 DS81 DS84 DS87 DS90 R74
W70
TLYU1002 TLYU1002 TLYU1002 TLYU1002 TLYU1002 TLYU1002 TLYU1002 1k
MICE
MIC
P43
L2 SQLS
10H
PHOE
C19
PHO
10
R197
2.2k
R16 R17
100k 100k
P70
R195 R196 R198 P71
R201
47k 47k 2.2k 1k
P76
D1
DAN202K
R199
Q1 Q2
820
DTC114EU 2SC4081
H5V
P93
P92
PC2
PC3
PC0
PC1
PB7 R131
PB6 R132
PB4
P12
L1
P10
C5 10H
10 P13
P14
P84
P11
P86
P90
P85
P87
P27
P40
P37
P36
P35
P72
P73
R26
IC2
47k
X25320SI
1 8
CS VCC
2 7
SO HOLD
3 6
WP SCK
4 5
VSS SI
R9 R24 R25 R27
C4
10k 47k 47k 47k
0.1
SQLS
Q106
Q103
DTA114EU
P74
DTC114 EU
8V
Q104
DTC114EU
P75
C102
0.001
L100
100H
R101
R100
100k 100k
HV P42
IC103C
H5V
TC7W04F
5V
P41
5
8V
P17
IC6
12.6V
5.0V
IC103B
R19
TA7805F
22 TC7W04F
C101
R102
O I
0.1 6
100k
G
R18
R107 8
C15
47 C17 C16
C18 22k 7
0.1 1
10 10
0.1
4 IC103A
C103
TC7W04F
0.47
20
Hi : 8.1V
Lo : 11.0V
R75
OFF: 13.0V 56
R73
Q71 6.8k Q72
DTC114 EU DTC114 EU
J6
1 STRT
L101 HF50ACC322513-B
2 5V
3 SNDS
4 8V
L102 HF50ACC322513-B
5 8V
L103 HF50ACC322513-B
6 HV
L104 HF50ACC322513-B
7 14V
8 14V
FSKK
9
10 MICE
11 MIC
12 SEND
t
13 SQLS
M
14 SEND
u
15 SEND J
16 SEND
17 SPS
18 PHOE
PHOE
19
PHO
20
PHO
21
22 GND
23 GND
24 GND
25 GND
CIVE
26 CIVE
D123 D122 CIV
27 CIV
DA221 DA221 R166 220
28 ALMS
29 NC
R169 220
KEY
30
J7
R190
1 GND
1k
R126 220
2 DOTK
1k R127 220
R191
3 DASK
R129 220
4 VOXL
R128 220
5 AVXL
R133 220
6 SML
R130 220
7 ALML
1k
8 REFL
1k
9 FORL
R186 220
10 PATL
R134 220
11 BEEP
12 DNB
t
EP152
13 RXS M
220
R153 u
14 TXS
R150 J
220
15 SBSY
R151 220
16 KDS
R154 220
17 DSPS
EP157
18 DSST
R158 220
19 SSTB
EP155
20 DINT
R156 220
21 DRES
EP159
22 ASTB
R160 220
23 MSTB
R161 220
24 FSTB
R162 220
25 BSTB
220
R163
26 MCK
220
R164
27 MDAT
28 POWS
29 GND
30 GND
Q105
D124
DTC114EU D121 D120
DA221 DA221 DA221
R165
10k
R108
330
R188
4.7k
R105 33k
R104
D102
6.8k
1SS355
CIV
4 5 6
Q102
XP4601
3 2 1
3 CIVE
R106
47k
R103
2 18k
0.1V
FSKK
13V
DNB