Icom IC-718 Service Manual Addendum page 25

January 2013
SENSOR
EP1 S1 J1
1 +5V 1
2 SEN1 2
3 SEN2 3
4 GND 4
5
D46
NNCD6.2G
1
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
0.0047
AFO HF50ACC322513-B
4 AFO 7
5 3 L44 100H
SEND
4 5 SEND 6
SQLS EP45
6 SQLS 5
UD
7 UD 4
8V EP46 MMZ1608Y102BT
8 8V 3
GND
9 GND
2
GND
GND HF50ACC322513-B
10 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 AFE 4
3 R2 100
AFO
6 AFO 5 L49
7
AFO
5 AFO 6 HF50ACC322513-B
8 AFO
4 AFO 7
ESPO
R3 3 ESPO 8
1k ESPO
2 ESPO 9
ESPO
1 ESPO 10
C1 C3
0.0047
0.0047
C2 PHONE BOARD
0.0047
POWER
MODE FIL TS
D45
D44
LDAN202K
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
13
CON1
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
R45 8
220k 100k
100k 1
7 P16
2
R44 C40
10
100p 4 IC40A R49
100k
*R57 TC7W32FU F
P27
R53 1M
R52
R51
4 100k
*R58 220k 5
3 P21
6
R50
C41
2 3
100k IC40B
100p R54
TC7W32FU 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
MICE
PHO
P43
MMZ1608Y102BT
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
LOCK 1 2 3 1M
R35 R34 R31 R33 R32
47k 47k 47k 47k 47k
P20
D30 D31 C2
P21
LDAN202K LDAN202K 15p
P22
P60
R36
4 5 6 47k
D32
D33
1SS355
LDAN202K
P61
P23
R37
7 8 9
47k
Q3
R8
LMUN5111
10k
D34 D35
1SS355 LDAN202K
P62
R38
0 ENT 47k
D36 D37
1SS355 LDAN202K
P63
R39
47k V3
V2
NB COMP TUNER
V1
D38 D39 COM1
1SS355 LDAN202K COM4
P64 COM3
COM2
R40
P.AMP ATT SET
47k
D41 5V
D40
LDAN202K
1SS355
8V
P65
R41
W101 CH DN UP
47k R22
1k
R20
47k
W102
D42
D43
1SS355
LDAN202K
P66
R21 C7
39k 1
R42
47k
KP-2012SYCK
DS1
KP-2012SYCK
A0087
LCD
KP-2012SYCK
81 50
Y50 NC
82 49
Y49 NC
83
48
Y48 NC
84 47
Y47 NC
85
46
Y46 VCC
86 45
Y45 NC
87 44 P94
Y44 M C20
88 43
0.1
Y43 NC
89 42
Y42 DO
90 41 P95
Y41 IC7 DI
91 40 P96
Y40 CL2
92 ST7063C-QG 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
100 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
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
P32 21 P73/SEG20
P32/SO1 54 P72
22
P33 P72/SEG19
P33/SCK2 53 P71
23
P34 P71/SEG18
P34/SI2 52 P70
24
P35 P70/SEG17
P35/SO2 51 P67
P36 25
P67/SEG16
P36/STRB
C6 0.1
LOGIC-A 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
S-80942ANMP TA78L05F
0V
1 5
OUT CD
O I
2
VDD
4 5.0V G
3
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
DSC7004S0
OFF: 4.4V
DS85
DS79
KP-2012SYCK
KP-2012SYCK
DS70 DS73 DS76
KP-2012SYCK KP-2012SYCK
DS82 DS88
KP-2012SYCK KP-2012SYCK
DS86
DS80 R70 R71 R72
KP-2012SYCK
KP-2012SYCK 330 180 820
DS71 DS74 DS77
Hi : 6.6V
KP-2012SYCK KP-2012SYCK
DS83 DS89
Lo : 6.3V
KP-2012SYCK KP-2012SYCK
DS87
DS81
OFF: 4.9V
KP-2012SYCK
KP-2012SYCK
R74
DS72 DS75 DS78
KP-2012SYCK KP-2012SYCK W70 1k
DS84 DS90
KP-2012SYCK
KP-2012SYCK
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
LDAN202K
Q1 Q2 R199
820
LMUN5211
L2SC4081 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
CAT25320VI-GC
1 8
CS VCC
7
2
SO HOLD
3 6
WP SCK
5
4
VSS SI
R25
R9 R24 R27 C4
47k 47k 47k
10k 0.1
SQLS
Q106
Q103
LMUN5211
LMUN5211 P74
8V
Q104
LMUN5211
P75
C102
0.001
L100
100H
R100 R101
100k
100k
HV P42
IC103C
H5V
TC7W04F
5V
P41
5
8V
P17
IC6
12.6V
5.0V
IC103B
TA7805F NQ R19
22 TC7W04FU
C101
R102
O I 6
0.1
G 100k
R18
R107 8
47 C16 C15
C18 C17 22k 7
1
10 0.1
0.1 10
4 IC103A
C103
TC7W04FU 0.1V
0.47
21
Hi : 8.1V
Lo : 11.0V
R75
OFF: 13.0V 56
R73
Q71 10K Q72
LMUN5211 LMUN5211
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
9 FSKK
MICE
10
MIC
11
12 SEND
to
13 SQLS
MAIN
14 SEND
unit
J4401
15 SEND
16 SEND
17 SPS
18 PHOE
19 PHOE
20 PHO
21 PHO
GND
22
GND
23
24 GND
25 GND
CIVE
26 CIVE
CIV
D123 D122
27 CIV
KDS221E KDS221E R166 220
28 ALMS
29 NC
R169 220
30 KEY
J7
R190
1k 1 GND
R126 220
2 DOTK
R127 220
R191 1k
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
to
EP152
13 RXS MAIN
220
R153 unit
14 TXS
J4201
R150 220
15 SBSY
220
R151
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
R164 220
27 MDAT
28 POWS
29 GND
30 GND
Q105
LMUN5211 D124
D121 D120
KDS221E
KDS221E KDS221E
R165
10k
R108
330
R188
4.7k
R105 33k
R104
6.8k D102
1SS355
CIV
4 5 6
Q102
3 2 1
DMG504010
3
CIVE
R106
47k
R103
18k
2
FSKK
13V
DNB
*; Refer to "PARTS LIST."