Icom IC-718 Service Manual Addendum page 204

12-2 PLL and LOGIC units
7.9V 3.2V
8V
L8
10µH R191 180
5V
3.9V
R20 L25 Q34 L26 C194
470 R57 470p
10µH 2SC4081 R LW-25
1k
2.0V 1.3V
R21
C68 R192 C5 C195
10k C26
100p 0.001 1k 33 470p
Q11 C1
2SC2714 100
C165 1.0V
0.5V TZBX4N100BA110T
R19 10p C62 C63 L19
220 0.001 0.0047 E544GN-110248
C126 R116 C162
0.0047
100 12p Q18
2SK508
C67
330p
R24 L27 D4
2.4V
2k R25 LW-25 KV1470 C64 R49
2k C27 0.0047 220
0.0047
R2
R26 100
C28
1k R27
2k 0.0047
C2
C168 10
R28 0.047
1k R29 R75
3.9k
2k
R30
1k
R31 12 44 R3
2k VSS VDD D15
13 CK 2.2k
DA0 CON_CLK 43 1SS226
14 DT
DA1 42
R32 DATA R6
15 41 PST
1k R33 DA2 STRB 10k
16 40
2k DA3 VSS 1.9V
17 IC2 39
DA4 VDD
18 38 W9
VSS SC-1287 P2
19 37 C29
R34 DA5 TREE
1k R35 20 36 0.0047
2k DA6 P1 CP30
21 35
DA7 UL
22 C228
DA8 VSS 34
CP1 2.2 CP3
R36
1k R37
2k
C30
0.0047
R38
1k
R39
2k
R40 C31 C32
0.0047 0.0047
1k R41
2k
R42
1k L12
R43
2k 100µH
0V
R180
4.6V
C33 C34 2.2k
100 0.0047 Q35
R182 D16
2SC4081R
33k MA2S111
C222
R181 R183
0.0047 4.7k C223
0.6V 15k
0.1
BFO L47
WS2 CP201 10µH
8V
R52 C55 L15 L14
P5 J2
680 0.0047 15µH 12µH
MAIN 1 BFO 1
unit
J2001 2 2 C203
BFOE
0.0047
R53 R51
3.9k 3.9k C54 C53 C52 C51 C50
0.5p 2p
22p 27p 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 LS-472C
C14
82p
C21
C16 R14
100 R13
TZBX4R200BA110T00 20p 4.7k 470
C25
120p
L5
10µH
C17
R15
C23 100 0.0047 R16
0.5p 22k
7.2V R121 C132
2nd Lo 1.9V 220 100p
WS1B L7 L6
LS-471A LS-471A
Q10
P2 P1 J1 C18 R17
W101 W102 L49 0.12µH L50 0.12µH 100p 220
2LO 2LO C20 2SC2714
MAIN 1 1 1 15p
unit
2 2LOE C24 1.4V
J401 2 2 15p
2LOE
EP101
R23
10k
EP102 C22 C19
C227 R18
0.0047 0.0047 220
56p
8V
L30
W7
10µH
C106 C109 L32
0.0047 0.82µH
0.0047
7.8V
R85 C108 R169
8.2k
0.0047 33
Q28
R156 2SC2714
180 R171 R172
W1 180 180
C111
R84 1.3V
0.001
3.3k 1.9V
R87
C104 L41
0.0047 100
10µH
C65 R74 L38
1p 8.2k 1µH
7.9V
2.2V
C129
0.0047
R7
R88 R158
220 R90
Q26 100 100 L42
1.4V 470 0.82µH
2SC2714
C118 6.8V
C160 7.8V
0.0047 0.0047
C103 R78
0.0047 100
L48 C130 R120
1.8V 7.0V
Q29 L39 R159 0.68µH 0.001 47k
R89 0.82µH 10k R117
C119 470
2SC2714 C159 47k
0.001 0.001 0.5V
C225 R119
Q32 C226
Q30 3p 3p 47k
2.5V R10 2SC2714 2SC2714
CP2 CP20 22k
2.9V
R8 R160 C127 0.5V
220
10k R161 0.001 CK
R9 C120
LFO 22k 220 R118 C128 DT
0.0047 2.2V
47 0.0047
PST
RESET
DT
4.6V CK
L1 CON0
10µH CON1
CON2
C3 C6
R132 DST
2k 0.0047 10
8V
R155 C192 C143 C139
R133 C148 0.0047
2k 0.0047 0.0047 0.0047
1k
R144
R134 2k
1k
5V
R145
C149
R135 2k
0.0047
1k 1 75
VSS ETCO0
2 74
SYSCLKO ETCO1
3 73 D12
R146 VDD ETCO2
R136 2k 4 72 1SS184
VDD VSS
1k 5 71
VSS ETCO3
6 70
DA0 ETCO4
7 69
R147 DA1 VSS
R137 8 68
2k ETCO5
1k DA2 C146
9 67
DA3 ETCO6 0.0047
10 66
VSS ETCO7
11 65
R148 DA4 VSS
R138 2k 12 64
DA5 VDD W170
1k 13 IC6 63 C147
DA6 Q4MA 0.0047
14 62
DA7 SC-1246A Q16MA 0.1V
15 61
R149 VSS VSS
16 60
R139 2k FCK
1k 17 VSS
RC 59
DA8
18 58
DA9 REF OSC
19 57 R162
R150 DA10 VDD
R140 20 56 820
2k DA11 PDTRI
1k 21 55
VDD VSS
22 54
TE1 PD0
23 53
C150 TE2 VDD C174
R141 R151 0.0047 24 52
2k TE3 PD1 0.047
1k 25 51
PD2
VDD
C145
R152 0.0047
R142
2k
1k
C151
0.0047
R153
R143
2k
1k
C152 C153
0.0047 0.0047
R154
2k C172
27p
C144 C155
0.0047
C188 C191 0.0047
2.3V 0.1 0.0047
R166
IC7 1M
TC4SU69F
L46 L45 L44 C158
18µH 22µH 27µH
0.001
1 5
2.4V
2
C156 C136 C135 L9 1µH
3 4
22p 12p 4p
R4
L10 1µH
470
R164
C157 C138 C137 C134 R165
1k
39p 56p 68p 56p 1M
C167
C161 R5
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
I
O
G
C9 C8 C7
C10
0.1 10 10 0.1
1st Lo
W1A
C112 C114 L36 L37
J4 P3 P4
56p 39p 0.1µH 82nH W103 W104
1LO
1 1 1 MAIN
unit
2 2
2 J201
1LOE
EP103
C116
L34 L35 EP104
8p
0.1µH 0.15µH
SENSOR
C115 C117
24p 33p R44
EP1 S1 J1 10
1 +5V 1
SEN1
2 2
3 SEN2 3
4 4
GND
5 4
D46
NNCD6.2G
1 2 3
R2 10k-B
EP40 EP2
AF
R4 AFGL PB0
1 AFGL 1
SQL/RF 6.8k GND
2 GND 2
RFGL PB1
GND 3 RFGL 3
4 GND 4
RITL PB2
R1 10k-B GND 5 RITL 5
6 GND 6
SFTL PB3
RIT 7 SFTL 7
GND
5VL 8 GND 8
9 5VL 9
GND
SHIFT 10 GND 10
PLL UNIT C46 C43
0.0047 0.0047
VR BOARD
C45 C44
0.0047 0.0047
J1 J2 J4 L41
L42
MIC 100µH 100µH
1 MIC 10
7 1 MICE
2 MICE 9
6 8 2 GND C47 L43
3 GND 8 0.0047 HF50ACC322513-B
AFO 4 AFO 7
5 3 SEND L44 100µH P43
4 5 SEND 6
SQLS EP45 MMZ1608Y102BT
6 SQLS 5
UD 7 UD 4
8V EP46 MMZ1608Y102BT
8 8V 3
GND L47
9 GND 2
GND GND HF50ACC322513-B
10 1
MIC BOARD
J2 J5
PHONES L1
J1 HF50ACC322513-B GND
1 AFE 10 GND 1
9 2
2 R1 100 AFE AFE
8 AFE 3
4 AFE
7 AFE 4
3 R2 100 AFO
7 6 AFO 5 L49
AFO HF50ACC322513-B
8 AFO 5 AFO 6
4 AFO 7
ESPO
R3 3 ESPO 8
1k ESPO
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 47k
CON0 47k
0.0047
R104 CP308 *SET-ON 4
D48 * P60
CON1 47k D48 1SS355
CP309 OTH2, OTH3
5.4V R105
CON2 47k D49 * D32
P61 1SS355
CP310 D49
R106 1SS355
DT 47k OTH, OTH3
D50
P62
R107 CP311
CK 47k D51 1SS355
7
R108 CP312 OTH2, OTH3 D51 * P63
DST 47k
CP313
R22 D34
PST 47k
1SS355
CP314
P65
R44 D53
CP315 1SS355
RESET 47k P66
CP316 D54
1SS355
P67
D36
D55
1SS355
1SS355
R91 J3 J9 R212
1k
RESET 220
1 SRST 16 P27
R177
2 15
FSKK 220
CON0 R93 1k 14 P24
3 CON0
CON1 R94 1k R176 220 P25 NB COMP
4 CON1 13
CON2 R95 1k R175 220 P26
5 CON2 12 D38
DT R96 1k R174 220 P32 1SS355
6 PDAT 11
CK R97 1k R173 220 P30
7 PCK 10
DST R98 1k R172 220 P33
8 DSTB 9
PST R99 1k P34
9 PSTB 8 R171 220
P23 P.AMP
10 DNB 7
R193
11 13V 6
220
12.5V 12 13V 5
D40
13 13V 4
8V 1SS355
14 8V 3
15 NC 2
GND
7.9V 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
8
220k 100k 1
7 P16
2
C40
R45 IC40A
100p 4 R49
100k 100k DS1
TC7W32F
A0087
R53 1M
LCD
R51 R52
220k 100k 5
P21
3
6
R50 C41
100k IC40B
100p R54
100k
TC7W32F
R56 R55
47k 47k
P20
P22
4.8V S39 81 50
Y50 NC
S38 82 NC 49
S37 83 Y49 48
Y48 NC
S36 84 47
Y47 NC
85 VCC 46
86 Y46 45
Y45 NC
87 44 P94
8V 88 Y44 M 43 C20
NC 0.1
89 Y43 42
Y42 DO
90 41 P95
R59 91 Y41 IC7 DI 40
10k Y40 CL2 P96
92 HD66100F 39
Y39 SHL
93 38
94 Y38 NC 37 P97
Y37 CL1
95 36
Y36 GND
S1 96 35 V2
S2 97 Y35 V4 34 V3
Y34 V3
S3 98 33
Y33 V2 V1
S4 99 32 R14 R15
MIC S5 100 Y32 V1 31 100k 100k
Y31 VEE
MICE
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
0.1
0.1µS
R7 22k 75
1 P97/SEG40/CL1 P97
PC3/AN11 74 P96
2 P96/SEG39/CL2
3 AVSS 73 P95
X1 CR-567 TEST P95/SEG38/D0 72
4 P94/SEG37/M P94
9.8304 MHz X2 71 P93
5 P93/SEG36
6 X1 70 P92
VSS P92/SEG35 69
C1 R1 7 P91/SEG34
15p OSC1 68 P90
2 3 1M 8 P90/SEG33
9 67 P87
R35 R34 R31 R33 R32 RES P87/SEG32 66 P86
47k 47k 47k 47k 47k 10 IC1 P86/SEG31
MD0 65 P85
P20 11 P85/SEG30
D30 D31 C2 P21 12 P20/IRQ4/ADTRG HD6433837SD17H P84/SEG29 64 P84
P21/UD 63
DAN202K DAN202K 15p P22 13 P83/SEG28
P60 P22 62
14 P82/SEG27
P24 15 P23 P81/SEG26 61
P24 60
P25 16 P80/SEG25
P25 59
R36 P26 17 P26 P77/SEG24 58
5 6 47k P27 18 P76/SEG23 P76
P27 57 P75
P30 19 P75/SEG22
P30/SCK1 56 P74
20 P31/SI1 P74/SEG21 55
P32 21 P73/SEG20 P73
D33 P32/SO1 54 P72
P33 22 P72/SEG19
DAN202K P61 23 P33/SCK2 53 P71
P34 P34/SI2 P71/SEG18 52
P35 24 P70/SEG17 P70
P35/SO2 51 P67
P36 25 P67/SEG16
P23 P36/STRB
R37
8 9 47k
Q3
R8
DTA114EU
10k
D35
DAN202K
P62
C6 0.1
R38
0 ENT 47k
D37
DAN202K
P63
R39
47k V3
V2 LOGIC UNIT
TUNER
V1
D39 COM1
DAN202K COM4
P64 COM3
COM2
R40 W1 R11 R12 R13 R10
ATT SET
47k 100k 100k 100k 100k
R5 R4 R3
10k
10k 10k
D41 5V
DAN202K
P65 8V
When turn power ON.
C3
IC3 IC5
R41 13.8V 0.01
DN UP 4.8V 12.5V
47k R22 S-80942ANMP TA78L05F
R20 1k
1 5 0V
W102 47k OUT CD O I
D43 2
3 VDD 4 5.0V G
DAN202k VSS NC
P66 C14 C13 C12
R21 C7 C8
C9 0.1 10 10
39k 1 0.1 0.01 0V
R42 100 mS
47k
Hi : 6.0V Q70 Hi : 8.1V
Lo : 5.6V Lo : 11.0V
2SD1619 T 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
TLYU1002 TLYU1002 TLYU1002 TLYU1002 TLYU1002 TLYU1002 TLYU1002 Hi : 6.6V 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
1
L101 HF50ACC322513-B
2
3
4
L102 HF50ACC322513-B
5
L103 HF50ACC322513-B
6
L104 HF50ACC322513-B
7
8
9
MICE
10
MIC 11
P43 12
L2 SQLS
13
10µH
14
15
PHOE
16
C19 PHO
10 17
18
19
20
21
22
23
24
R197
2.2k 25
R16 R17 CIVE
100k 100k 26
D123 D122 CIV 27
DA221 DA221
P70 R166 220 28
R195 R196 R198 R201 P71
47k 47k 2.2k 1k 29
P76 R169 220
30
D1
DAN202K
J7
Q1 Q2 R199
820 R190
DTC114EU 2SC4081 1k 1
H5V P93 R126 220
2
P92 R191 1k R127 220
3
PC2 R129 220
4
PC3 R128 220
5
220
PC0 R133 6
R130
PC1 220
7
PB7 R131 1k
8
PB6 R132 1k
9
PB4 R186 220
10
P12 R134 220
L1 11
P10
C5 10µH 12
P13 EP152
10 13
220
P14 R153 14
P84 R150 220
15
P11 R151 220
16
P86 R154 220
17
P90 EP157
18
P85 R158 220
19
P87 EP155
20
P27 R156
220 21
P40 EP159 22
P37 R160 220
23
P36 R161 220
24
P35 R162 220
25
P72 R163 220
26
P73 R164 220
27
R26 IC2 28
47k
X25320SI 29
30
1 8
CS VCC
2 7
SO HOLD
3 SCK 6
4 WP 5
VSS SI
R9 R24 R25 R27
C4
10k 47k 47k 47k 0.1
Q105
DTC114EU D121 D120 D124
DA221 DA221 DA221
R165
SQLS
10k
Q106
Q103 DTA114EU R108
330
DTC114 EU P74
R188
8V
4.7k
Q104
DTC114EU
P75
C102 R105 33k
0.001
R104
L100 D102
6.8k
100µH 1SS355
CIV
R101 4 5 6
R100
100k 100k Q102
HV P42 XP4601
IC103C
H5V
TC7W04F
3 2 1
5V
P41 CIVE
5 3
8V
P17 R106
47k
IC6
5.0V 12.6V
R19 IC103B
TA7805F
22 TC7W04F
C101 R103
O I R102 2 18k
0.1 100k 6
G
C11 R18
R107 8
0.1 47 C18 C17 C16 C15 22k
0.1 1 7
0.1 10 10
IC103A
4
C103
0.47 TC7W04F 0.1V
FSKK
13V
DNB
12 - 2
STRT
5V
SNDS
8V
8V
HV
14V
14V
FSKK
MICE
MIC
SEND
to
SQLS MAIN
SEND unit
SEND J4401
SEND
SPS
PHOE
PHOE
PHO
PHO
GND
GND
GND
GND
CIVE
CIV
ALMS
NC
KEY
GND
DOTK
DASK
VOXL
AVXL
SML
ALML
REFL
FORL
PATL
BEEP
DNB
to
RXS MAIN
TXS unit
J4201
SBSY
KDS
DSPS
DSST
SSTB
DINT
DRES
ASTB
MSTB
FSTB
BSTB
MCK
MDAT
POWS
GND
GND