Pll Unit; Logic Unit - Icom IC-718 Service Manual

Hide thumbs Also See for IC-718:
Table of Contents

Advertisement

7.9V
3.2V
8V
L8
10µH
R191 180
5V
3.9V
R20
Q34
C194
L25
R57
L26
470
10µH
LW-25
470p
1k
2SC4081 R
2.0V
1.3V
R21
10k
C26
C68
R192
C5
C195
0.001
1k
33
470p
Q11
100p
C1
100
2SC2714
C165
1.0V
TZBX4N100BA110T
0.5V
C62
C63
L19
R19
10p
220
0.001
0.0047
E544GN-110248
C126
R116
C162
0.0047
100
12p
Q18
2SK508
C67
330p
R24
L27
D4
2.4V
2k
LW-25
KV1470
C64
R49
R25
2k
0.0047
220
C27
0.0047
R2
100
R26
1k
R27
C28
0.0047
2k
C2
C168
10
R28
0.047
R75
1k
R29
2k
3.9k
R30
1k
R31
12
44
R3
2k
VSS
VDD
2.2k
D15
13
43
CK
1SS226
DA0
CON CLK
14
42
DT
R32
DA1
DATA
R6
15
41
PST
1k
R33
DA2
STRB
10k
16
40
2k
DA3
VSS
17
39
DA4
IC2
VDD
18
W9
VSS
SC-1287
P2
38
19
R34
DA5
TREE
37
C29
R35
0.0047
1k
20
36
CP30
2k
DA6
P1
21
35
DA7
UL
22
34
DA8
VSS
CP1
CP3
R36
R37
1k
2k
C30
0.0047
R38
1k
R39
2k
C31
C32
R40
0.0047
0.0047
1k
R41
2k
R42
1k
R43
L12
100µH
2k
0V
R180
4.6V
C33
C34
2.2k
Q35
100
0.0047
R182
D16
2SC4081R
33k
MA2S111
C222
R181
R183
0.0047
C223
15k
4.7k
0.6V
0.1
BFO
L47
CP201
10µH
8V
R52
C55
L15
L14
P2
J2
680
0.0047
15µH
12µH
MAIN
BFO
1
1
unit
J2001
2
2
BFOE
C203
0.0047
R53
R51
C53
C51
3.9k
3.9k
C54
C52
C50
22p
0.5p
27p
2p
22p
CP202
W10
13V
L2
C12
10µH
0.0047
R12
15k
7.9V
X1
L3
CR-337
1.7V
Q9
LW-25
2SC2714
1.1V
C13
0.0047
C15
L4
33p
C14
LS-472C
82p
C21
C16
R14
100
R13
TZBX4R200BA110T00 20p
4.7k
470
C25
120p
L5
10µH
R15
C17
C23
0.0047
100
R16
0.5p
22k
7.2V
R121
C132
1.9V
220
100p
L7
L6
2nd Lo
LS-471A
LS-471A
P2
P1
J1
Q10
C18
R17
L49 0.12µH
L50 0.12µH
C20
2SC2714
100p
220
MAIN
2LO
W101, W102
2LO
1
1
1
15p
unit
C24
J401
2
2
2
1.4V
2LOE
2LOE
15p
R23
10k
C22
C19
R18
C227
0.0047
56p
0.0047
220
8V
W7
L30
10µH
C106
C109
L32
0.0047
0.0047
0.82µH
7.8V
R85
C108
R169
8.2k
0.0047
33
Q28
R156
2SC2714
R171
R172
180
W1
180
180
C111
1.3V
0.001
R84
3.3k
1.9V
C104
R87
100
L41
0.0047
10µH
C65
R74
L38
1p
8.2k
1µH
7.9V
2.2V
C129
0.0047
R7
220
R88
R158
Q26
100
100
R90
L42
1.4V
470
0.82µH
2SC2714
C118
6.8V
C160
7.8V
0.0047
C103
R78
0.0047
0.0047
100
L48
1.8V
7.0V
C130
R120
L39
R159
0.68µH
0.001
47k
Q29
R89
R117
0.82µH
10k
C119
2SC2714
470
C159
47k
0.001
0.001
0.5V
C225
C226
R119
Q32
Q30
3p
47k
3p
R10
2SC2714
2SC2714
CP2
CP20
2.5V
22k
2.9V
R8
R160
C127
0.5V
220
10k
R161
0.001
R9
C120
CK
LFO
220
R118
C128
22k
0.0047
2.2V
DT
47
0.0047
PST
RESET
DT
4.6V
CK
L1
CON0
10µH
CON1
CON2
C3
R132
C6
DST
0.0047
2k
10
8V
C143
R155
C148
C192
C139
R133
2k
0.0047
0.0047
0.0047
1k
0.0047
R144
R134
2k
5V
1k
R145
C149
R135
2k
0.0047
1k
1
75
VSS
ETCO0
2
74
SYSCLKO
ETCO1
3
73
R146
VDD
ETCO2
D12
R136
4
72
1SS184
2k
VDD
VSS
1k
5
71
ETCO3
VSS
6
70
DA0
ETCO4
7
69
R147
DA1
VSS
R137
8
68
1k
2k
DA2
ETCO5
C146
9
67
DA3
ETCO6
0.0047
10
66
VSS
ETCO7
11
65
R148
DA4
VSS
R138
12
64
2k
DA5
VDD
1k
13
63
C147
W170
IC6
Q4MA
DA6
0.0047
14
SC-1246A
62
DA7
Q16MA
0.1V
15
61
R149
VSS
VSS
R139
2k
16
60
VSS
FCK
1k
17
59
DA8
RC
18
58
DA9
REF OSC
19
57
R150
DA10
VDD
R162
R140
20
56
820
2k
DA11
PDTRI
1k
21
55
VSS
22
VDD
PD0
54
TE1
C150
23
53
R151
TE2
VDD
C174
R141
0.0047
24
PD1
52
0.047
1k
2k
TE3
25
51
VDD
PD2
C145
R152
0.0047
R142
2k
1k
C151
0.0047
R153
R143
2k
1k
C152
C153
R154
0.0047
0.0047
C172
2k
27p
C155
C144
C191
0.0047
0.0047
C188
2.3V
0.1
0.0047
R166
IC7
1M
R204
120
L46
L45
L44
C158
TC4SU69F
18µH
22µH
27µH
0.001
1
5
2
2.4V
C156
C136
C135
L9 1µH
3
4
22p
12p
4p
R4
470
W5
R164
C157
C138
C137
C134
1k
R165
39p
56p
68p
56p
1M
C161
R5
C167
0.0047
0.047
100
LFO
Q33
DTC114EU
13V
8V
C4
C66
C166
10
0.0047
1
4.8V
IC1 TA7805F
10.3V
R102
22
5V
13V
O
I
G
C10
C9
C8
C7
10
0.1
0.1
10
1st Lo
C112
C114
L36
L37
J4
P3
P4
SENSOR
56p
39p
0.1µH
82nH
R44
1
1LO
1
MAIN
EP1
S1
J1
10
1
unit
2
2
2
J201
1
+5V
1
1LOE
2
SEN1
2
SEN2
3
3
C116
4
GND
4
L34
L35
8p
0.1µH
0.15µH
5
4
C115
C117
D46
24p
33p
NNCD6.2G
1
2
3
R2 10k-B
EP40
EP2
AF
J1
J3
R4
AFGL
PB0
GND
1
AFGL
1
SQL/RF
6.8k
2
GND
2
RFGL
PB1
3
RFGL
3
GND
RITL
4
GND
4
PB2
5
RITL
5
R1 10k-B
GND
6
GND
6
PB3
RIT
SFTL
7
SFTL
7
GND
8
GND
8
5VL
GND
9
5VL
9
10
GND
10
SHIFT

PLL UNIT

C46
C43
0.0047
0.0047
VR BOARD
C45
C44
0.0047
0.0047
J1
J2
J4
L41
L42
100µH
MIC
10
100µH
7
1
MICE
1
MIC
2
MICE
9
2
GND
C47
L43
6
8
3
GND
8
AFO
0.0047
HF50ACC322513-B
5
3
4
AFO
7
P43
4
SEND
5
SEND
6
L44 100µH
SQLS
EP45
MMZ1608Y102BT
6
SQLS
5
UD
7
UD
4
8V
8V
EP46
MMZ1608Y102BT
GND
8
3
9
GND
2
L47
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
4
8
AFE
3
AFE
7
4
3
R2 100
AFO
AFE
6
AFO
5
L49
7
AFO
5
AFO
6
HF50ACC322513-B
8
AFO
4
AFO
7
R3
ESPO
3
ESPO
8
ESPO
1k
2
ESPO
9
L48
ESPO
C1
C3
1
ESPO
10
HF50ACC322513-B
0.0047
0.0047
C2
PHONE BOARD
0.0047
R127
POWER
2.2k
Q12
MODE
FIL
TS
LOCK
1
2SC4081
D45
D44
DAN202k
1SS355
P67
R103
CP307
R43
C141
CON0
47k
47k
0.0047
CP308
4
R104
D48
CON1
47k
P60
5.4V
R105
CP309
D32
CON2
47k
D49
P61
1SS355
R106
CP310
DT
47k
D50
R107
CP311
P62
CK
47k
7
R108
CP312
D51
P63
DST
47k
CP313
R22
D52
P64
PST
D34
47k
1SS355
CP314
P65
R44
D53
CP315
47k
1SS355
RESET
P66
CP316
D54
1SS355
P67
D36
D55
1SS355
1SS355
R91
J3
J9
R212
1k
220
RESET
16
P27
1
SRST
R177
2
FSKK
15
220
CON0
R93 1k
P24
3
CON0
14
CON1
R94 1k
R176
220
P25
NB COMP
4
CON1
13
CON2
R175
220
P26
R95 1k
5
CON2
12
D38
DT
R96 1k
6
PDAT
11
R174
220
P32
1SS355
CK
R97 1k
10
R173
220
P30
7
PCK
DST
R98 1k
R172
220
P33
8
DSTB
9
PST
R99 1k
R171
220
P34
9
PSTB
8
P23
10
DNB
7
P.AMP
11
13V
6
R193
220
12.5V
12
13V
5
13
13V
4
D40
8V
1SS355
14
8V
3
15
NC
2
7.9V
GND
16
GND
1
W92
W101
CH
C170
0.0047
CP304
CP306
D42
1SS355
C224
0.1
CP301
CP303
CP305
FSKK
13V
DNB
L40 100µH
R48
C42
1M
0.0047
R46
R47
220k
100k
8
1
7
P16
2
C40
R45
100p
4
IC40A
R49
100k
DS1
100k
TC7W32F
A0087
R53 1M
LCD
R51
R52
220k
100k
5
3
P21
6
R50
C41
100k
100p
IC40B
R54
TC7W32F
100k
R55
R56
47k
W41
47k
P20
P22
W42
4.8V
S39
81
50
Y50
NC
S38
82
49
Y49
NC
S37
83
48
S36
84
Y48
NC
47
Y47
NC
85
46
Y46
VCC
86
45
87
Y45
NC
44
P94
Y44
M
C20
8V
88
43
0.1
Y43
NC
89
DO
42
90
Y42
41
P95
R59
Y41
IC7
DI
91
40
P96
10k
92
Y40
CL2
39
HD66100F
SHL
93
Y39
38
Y38
NC
94
37
P97
95
Y37
CL1
36
GND
S1
96
Y36
35
V2
Y35
V4
S2
97
34
V3
S3
98
Y34
V3
33
Y33
V2
S4
99
32
V1
R14
R15
Y32
V1
MIC
S5
100
31
100k
100k
MICE
Y31
VEE
PHO
5V
D47
R62
1SS355
R63
2.2k
2.2k
SPE
R2
PHOE
22k
4.9V
P16
PHO
P40
3.6
V
R30
C21
1.8
47k
0.1
V
0
C22
0.1µS
0.1
R7 22k
75
P97
1
P97/SEG40/CL1
2
PC3/AN11
P96/SEG39/CL2
74
P96
AVSS
73
3
P95/SEG38/D0
P95
X1 CR-567
TEST
72
P94
9.8304 MHz
4
X2
P94/SEG37/M
71
5
P93/SEG36
P93
X1
70
P92
6
P92/SEG35
C1
VSS
69
R1
7
OSC1
P91/SEG34
68
P90
2
3
15p
1M
8
P90/SEG33
67
P87
R35
R34
R31
R33
R32
9
P87/SEG32
10
RES
IC1
66
P86
47k
47k
47k
47k
47k
MD0
P86/SEG31
65
P85
P20
11
P85/SEG30
P20/IRQ4/ADTRG
HD6433837SD17H
64
P84
D30
D31
C2
P21
12
P84/SEG29
DAN202K
DAN202K
15p
P22
13
P21/UD
63
P60
P22
P83/SEG28
62
14
P82/SEG27
P23
61
P24
15
P81/SEG26
P25
16
P24
60
P25
P80/SEG25
59
R36
P26
17
P77/SEG24
5
6
P26
58
P76
47k
P27
18
P76/SEG23
P30
19
P27
P75/SEG22
57
P75
P30/SCK1
56
P74
20
P74/SEG21
P31/SI1
55
P73
P32
21
P73/SEG20
D33
P33
22
P32/SO1
P72/SEG19
54
P72
DAN202K
P33/SCK2
53
P71
P61
P34
23
P71/SEG18
P34/SI2
52
P70
P35
24
P35/SO2
P70/SEG17
51
P36
25
P67/SEG16
P67
P36/STRB
P23
R37
8
9
47k
Q3
R8
DTA114EU
10k
D35
DAN202K
P62
C6 0.1
R38
0
ENT
47k
D37
DAN202K
P63
R39
47k
V3
TUNER
V2
V1
D39
COM1
DAN202K
COM4

LOGIC UNIT

P64
COM3
COM2
W1
R11
R12
R13
R10
R40
ATT SET
47k
100k
100k
100k
100k
R5
R4
R3
10k
10k
10k
D41
DAN202K
8V
P65
IC3
13.8V
IC5
R41
4.8V
12.5V
DN
UP
47k
R22
S-80942ANMP
C3
TA78L05F
1k
0.01
R20
1
5
0V
47k
OUT
CD
W102
2
O
I
D43
VDD
4
G
DAN202k
3
NC
5.0V
P66
VSS
C14
C13
C12
C11
R21
C7
C8
C9
0.1
10
10
0.1
39k
1
0.1
0.01
0V
R42
100mS
47k
Hi
: 6.0V
Q70
Hi
: 8.1V
Lo : 5.6V
2SD1619 T
Lo : 11.0V
R75
OFF: 4.4V
OFF: 13.0V
39
DS70
DS73
DS76
DS79
DS82
DS85
DS88
TLYU1002
TLYU1002
TLYU1002
TLYU1002
TLYU1002
TLYU1002
TLYU1002
R70
R71
R72
R73
270
560
820
Q71
3.9k
Q72
DS71
DS74
DS77
DS80
DS83
DS86
DS89
Hi
: 6.6V
TLYU1002
TLYU1002
TLYU1002
TLYU1002
TLYU1002
TLYU1002
TLYU1002
DTC114 EU
DTC114 EU
Lo : 6.3V
OFF: 4.9V
DS72
DS75
DS78
DS81
DS84
DS87
DS90
R74
TLYU1002
TLYU1002
TLYU1002
TLYU1002
TLYU1002
TLYU1002
TLYU1002
W70
1k
J6
STRT
1
L101
HF50ACC322513-B
2
5V
3
SNDS
4
8V
L102
HF50ACC322513-B
5
8V
L103
HF50ACC322513-B
6
HV
7
14V
L104
8
14V
HF50ACC322513-B
FSKK
9
MICE
10
MICE
MIC
11
MIC
P43
12
SEND
SQLS
L2
13
SQLS
10µH
14
SEND
15
SEND
PHOE
16
SEND
C19
PHO
17
SPS
10
18
PHOE
19
PHOE
20
PHO
21
PHO
22
GND
23
GND
24
GND
R197
25
GND
R16
R17
2.2k
CIVE
100k
100k
26
CIVE
D123
D122
CIV
27
CIV
P70
DA221
DA221
R166
220
28
ALMS
R195
R196
R198
P71
47k
47k
R201
29
NC
2.2k
1k
P76
30
KEY
R169
D1
DAN202K
220
J7
Q1
Q2
R199
820
R190
R126
DTC114EU
2SC4081
1
GND
H5V
P93
1k
220
2
DOTK
R127
220
P92
3
DASK
R191
1k
PC2
R129
220
4
VOXL
PC3
R128
220
5
AVXL
PC0
R133
220
6
SML
PC1
R130
220
7
ALML
PB7
R131
1k
8
REFL
PB6
9
FORL
PB4
R132
1k
R186
220
10
PATL
P12
R134
220
L1
11
BEEP
C5
10µH
P10
12
DNB
10
P13
EP152
13
RXS
P14
R153
220
14
TXS
P84
R150
220
15
SBSY
P11
R151
220
16
KDS
P86
R154
220
17
DSPS
P90
EP157
18
DSST
R158
P85
220
19
SSTB
P87
EP155
20
DINT
P27
R156
220
21
DRES
P40
EP159
22
ASTB
P37
R160
220
23
MSTB
P36
R161
220
24
FSTB
P35
R162
220
25
BSTB
R163
220
P72
26
MCK
220
P73
R164
27
MDAT
R26
IC2
28
POWS
47k
X25320SI
29
GND
30
GND
1
8
2
CS
VCC
7
SO
HOLD
3
6
WP
SCK
4
5
VSS
SI
R25
R9
R24
R27
C4
10k
47k
47k
47k
0.1
Q105
DTC114EU
D121
D120
D124
DA221
DA221
DA221
SQLS
R165
10k
Q106
Q103
R108
DTA114EU
P74
330
DTC114 EU
R188
8V
4.7k
Q104
DTC114EU
P75
C102
R105 33k
0.001
R104
D102
L100
6.8k
100µH
1SS355
CIV
4
5
6
R100
R101
100k
100k
Q102
H5V
P42
XP4601
IC103C
TC7W04F
3
2
1
With DSP: 10.7V
P41
Without DSP: 12.6V
5
3
CIVE
8V
5V
R106
P17
47k
IC6
5.0V
IC103B
TA7805F
R19
22
TC7W04F
R103
C101
R102
18k
O
I
0.1
6
2
G
100k
R18
R107
8
47
C16
C15
C18
C17
22k
7
0.1
10
10
0.1
1
4
IC103A
C103
TC7W04F
0.1V
0.47
FSKK
13V
DNB
12 - 2
to
MAIN
unit
J4401
to
MAIN
unit
J4201

Hide quick links:

Advertisement

Table of Contents
loading

This manual is also suitable for:

Ic-78

Table of Contents