Icom IC-718 Service Manual Addendum page 119

Oct. 2008
SENSOR
EP1 S1 J1
1 +5V 1
2 SEN1 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 GND 4
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
MIC 10
7 1 1
MICE
9
2 MICE
GND
6 8 2 C47 L43
3 GND 8
0.0047 HF50ACC322513-B
AFO
4 AFO 7
5 3 SEND L44 100H
4
5 SEND 6
SQLS EP45 MMZ1608Y102BT
6 SQLS 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 1
GND
1 AFE
9
AFE 2
2 R1 100 AFE
8 AFE 3
4 AFE
7 AFE 4
3 R2 100
AFO
6 AFO 5 L49
7
AFO
5 AFO 6 HF50ACC322513-B
8
AFO
4 7
AFO
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
OTH, OTH3 P62
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
CON1 13
R175 220
P26
CON2 12
R174 220
P32
PDAT 11
R173 220 P30
PCK 10
R172 220 P33
DSTB 9
R171 220 P34
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
220k 100k
1
P16
7
2
R44 C40
10 R45 IC40A R49
100p 4
100k 100k
TC7W32F
R53 1M
R51 R52
4 220k 100k
5
P21
3
6
R50
C41
3
100k IC40B
100p R54
100k
TC7W32F
R56 R55
47k 47k
P20
P22
EP2
PB0
4.8V S39 81
PB1
82
S38
S37 83
PB2
S36 84
85
PB3
86
87
8V 88
89
90
C43
R59
91
0.0047
10k
92
93
94
C44
95
0.0047
S1 96
S2 97
S3 98
L42 S4 99
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
R30
1.8
47k
V
0
0.1S
R7 22k
X1 CR-567
9.8304 MHz
C1
R1
15p
LOCK 1 2 3 1M
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
1SS355 DAN202K
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 C8
39k 1 0.1
R42
47k
DS70
TLYU1002
DS71
DS1
TLYU1002
A0087
LCD
DS72
TLYU1002
50
Y50 NC
49
Y49 NC
48
Y48 NC
47
Y47 NC
46
Y46 VCC
45
Y45 NC
44 P94
Y44 M C20
43 C19
0.1
Y43 NC 10
42
Y42 DO
41 P95
Y41 IC7 DI
40 P96
Y40 CL2
HD66100F 39
Y39 SHL
38
Y38 NC
37 P97
Y37 CL1
36
Y36 GND
35 V2
Y35 V4
34 V3
Y34 V3
33
Y33 V2
32 V1 R14 R15 R16
Y32 V1
31 100k 100k 100k
Y31 VEE
Q1
DTC114EU
R2
22k
4.9V
P40
C21
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
IC1
10 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 R9
21
P32 P73/SEG20 10k
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
SQLS
Q103
C6 0.1
DTC114 EU
LOGIC UNIT
W1 R11 R12 R13 R10
100k 100k 100k 100k
R5 R4 R3
10k 10k 10k
When turn power ON.
C3
IC3 IC5
0.01
13.8V 4.8V 12.5V
TA78L05F
S-80942ANMP
1 0V
5
OUT CD
O I
2
VDD
4 5.0V G
3
NC
VSS
C14 C13 C12 C11 R18
C9 0.1 10 10 0.1 47
0V
0.01
100 mS
Hi : 6.0V Q70 Hi
Lo : 5.6V Lo : 11.0V
2SD1619 T
OFF: 4.4V OFF: 13.0V
DS73 DS76 DS79 DS82 DS85 DS88
TLYU1002 TLYU1002 TLYU1002 TLYU1002 TLYU1002 TLYU1002
R70 R71 R72
330 560 820
Q71
DS74 DS77 DS80 DS83 DS86 DS89
TLYU1002 TLYU1002 TLYU1002 TLYU1002 TLYU1002 TLYU1002 Hi : 6.6V
DTC114 EU
Lo : 6.3V
OFF: 4.9V
DS75 DS78 DS81 DS84 DS87 DS90 R74
W70
TLYU1002 TLYU1002 TLYU1002 TLYU1002 TLYU1002 TLYU1002 1k
MICE
MIC
P43
L2 SQLS
10H
PHOE
PHO
R197
2.2k
R17
100k
P70
R195 R196 R198 R201 P71
47k 47k
2.2k 1k
P76
D1
DAN202K
R199
Q2
R190
820
2SC4081 1k
H5V
P93
P92
PC2
PC3
PC0
PC1
R131 1k
PB7
PB6
R132 1k
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
R24 R25 R27
C4
47k 47k 47k
0.1
Q106
DTA114EU
P74
8V
Q104
DTC114EU
P75
C102
0.001
L100
100H
R100 R101
100k
100k
HV P42
IC103C
H5V
TC7W04F
5V
P41
5 3
8V
P17
IC6
12.6V
5.0V IC103B
TA7805F R19
22 TC7W04F
C101
R102
O I 0.1 6 2
G 100k
R107 8
C16 C15
C18 C17 22k 7
1
10 0.1
0.1 10
4 IC103A
C103
TC7W04F 0.1V
0.47
15
: 8.1V
R75
56
R73
6.8k Q72
DTC114 EU
J6
30FLT-SM2-TB(LF)(SN)(M)
1 STRT
L101 HF50ACC322513-B
2 5V
3 SNDS
8V
4
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
SEND J
15
SEND
16
17 SPS
18 PHOE
19 PHOE
20 PHO
PHO
21
22 GND
23 GND
24 GND
25 GND
CIVE
26 CIVE
CIV
D123 D122 CIV
27
DA221 DA221 R166 220
ALMS
28
29 NC
R169 220
30 KEY
J7
30FLT-SM2-TB(LF)(SN)(M)
1 GND
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
8 REFL
9 FORL
R186 220
10 PATL
R134 220
11 BEEP
12 DNB
t
EP152
13 RXS M
220
R153 u
14 TXS
J
R150 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
R163 220
26 MCK
220
R164
27 MDAT
28 POWS
29 GND
30 GND
Q105
DTC114EU D121 D120 D124
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
CIVE
R106
47k
R103
18k
FSKK
13V
DNB
*; Refer to "PARTS LIST."