Icom IC-F11 Service Manual page 35

SECTION 12 VOLTAGE DIAGRAM
VCC
T5V
S5V
+5V
R47 47 R47 47
+5V
R51 C252 C82
R50 C84
10 k 47 k 100 P 0.1
REF 0.01
S1
C85 R230
Q36 D19
2.2 27 k C253
F1 BAL HVC362
2SK1829 9 P
R249 470 k
C93
47 P R251
120 k R250 470 k
S2 LVIN
R246 22
F2
IC1 MB15A02PFV-1
16 1
R OSCIN
C94 15 2
R232 P OSCOUT
47 P 14 3
150 k FOUT VP
13 4
R52 NC VCC
12 5
1k
FC DO
PLST 11 6
LE GND
SO 10 7
DATA LD
SCK 9 8
CLOCK FIN
UNLK
LOCK 4.5 V
D20
UNLOCK 0.5 V MA2S111
DEV
R5V
W13 W12 W11 C92
S5V
D only D only D only 0.1
R96
0 V
1.2 k C150
3.5 V
2 P
C269
J1 C153
0.001 L28
C only 0.01 R97
680 k 1.0 H
C152
CBI0
1 10 P C151
From CBI1 Q18
2 18 P
SW-A UNIT 3 CBI2
2SC4116 GR
4 CBI3
R100 C154
47 k 220 P
SQLIN
C159 C158 C157 C156
0.001 0.001 0.001 0.001
R99 C155
1.2 k 220 P
J2
CBI0
1
2
From/to 3
VCC
4 VCC
SW-A and SW-B
5 RLED S5V
UNITS
6 TLED
+5V
7
VOLOUT +5V +5V
VOLIN R141
470
C162 C161 C160
PTT ON 4.8V
470 P 0.001 47
PTT OFF 0V Q22 UN911H
PTT
C190 C189 C188
R142
0.047 470 P 10
100 k
MIC
VOLIN
VOLOUT
AFOUT
SQLIN
VCC
4.9 V 0 V
0 V 4.9 V
+5V
S5V
SPEAKER
R5V
SP1 CHASSIS UNIT J3 Q26
SP T5V
W1 2SA1577 Q
1 1
Q27 R173
2 2
2SA1577 Q 10 k
C213
OPC-963
0.001
R174
R172
4.7 k
4.7 k
MIC MIC
MC1 C212 C211
C215
R175 0.01 0.01
0.001 33 k
C214
47 P
PTT S3
S5V
R213 R5V
470
J4
OPT
EXT.MIC EP4 MIC
C237 R211
D17
EP5 0.001 R248 100 k R210 R216
RB706F-40
1 120 k 22 k
J5
AFOUT
R214
SP
1 k
CLONE Q32
EXT.SP D24 C258
C240 C239 C238 HSU88 DTC144TU 47 P
47 P 0.001 0.001
R215 R222
22 k 68 k
R223
68 k
C242
BDET 0.0027
12 - 1
NOTE: A: [F12] and [F12S] B: [F11], [F11BR] and [F11S]
C: [F11] and [F12] D: [F11BR], [F11S] and [F12S]
VCC
T5V
S5V Q12 XP6501 AB
+5V 6 1
5 2
+5V R44
4.9 V 4 3
Q13 1 k C57
X1 R48 LV
47 P
CR-664A 82 k 2SK880 Y C78
Q31
0.001 R220
2SC4215 O
2.2 k
C81
R49
47 k 100 P C80 C59 C58
47 P 47 P 10
R45 R43 L17
D21
10 k 8.2 k 4.7 H
MA2S111 C83 R46
100 P 1.2 k
C73
47 P
R42 R40
1 220
15.3 MHz
4.8 V 0.75 V P-P R41
2.2 k C75
1
C76
L18 3.3
33 nH
R53
C86 C87 56 C90 C91 C72 R35
C88
0.001 47 P C89 56 P 56 P 0.001 33 k
0.1
0.001 DEV
R5V R5V
S5V S5V
R94 0 V R221 X2
C148 R95 4.7 V
47 100 k CDBCA450CX24
10 P 150 R89
470
C143
R92
IC3 TA31136FN 0.001 C137 R91
L27 1.8 k
C149 100P 680
1.0 H 1 16
18 P FI2 OSCIN MIXIN
2 15
ALFYM450F=k OSCOUT GND
3 14 R93
MIXOUT N-REC R90
O I 4 13 C140 330
VCC N-DET 120 k
120 P
5 12
IFIN RSSI
6 11
DEC IFOUT C139 C138
7 10
FILOUT QUAD 0.001 0.001 Q17
8 9
FILIN AFOUT
R98 2SC4215 O
C144 C142
47 k
0.001 0.001
C146 C145
C147
0.1 0.001 1
VCC
S5V
+5V
R133
EP7 A only
C183 C182 12 k
C186
0.1 0.047
0.0056 B
C187
0.0022 A IC5C NJM13403V
0.022 B only
10 C181
0.047
8
9 2.1 V
R140 C184 R132
15 k B only R139 R138 180 P 10 k
R134
100 k 470
4.7 k
C185 R137 R136
0.1 200 k 10 k
MIC
VOLIN
VOLOUT
AFOUT
WIDE 4.8 V
NAR 0 V
SQLIN
VCC
Q24 2SB1132 R
+5V
IC10
NJM2870
T1
R169 T2
R171
10k T3
10 k 6 5 4
C206 C205 T4
Q25
10 0.1 DAST
XP6501 AB Q23 SCK
SO
1 2 3 DTA144 EU
R170 R168
C210 C209 C208
22 2.2 k C207 C259 470 k
0.1 0.01 10
0.01
S5V
R5V
C236
0.022
R217 R218 R219
47 k 100 k 220 k
R5V
C223 5/2 tonecode
47 P transmitting C228
C243 C245 3 V P-P R198 0.1
0.0082
0.0056 22 k
R197
R225
R224 R226 22 k
3 8 68 k 5
68 k 68 k
1 7
2 6
4
IC16A C246 IC16B NJM12904V
C244
68 P
180 P NJM12904V
C231
0.039
VCC
T5V
VCO5V
C56 R28
1 47
C48
R29
0.001
820
4.1 V
C45
C51 C49
L16 47 P
2 P R31 0.5 P
80 nH R24
4.7 k
100
Q10
3.7 V 3.3 V
C69
C268 D5 D7 2SC5085 Y
82 P C61
2.5 P HVU350B HVU350B
0.001
R26
L15 C60 C46 L50 C43 R23
C65 68 k 0.1 H
C66 R39 2.2 H 0.001 0.001 0.001 68 k
Q8 2 P
36 P 1 k
D6 DTC144EU
MA2S077 R32
4.7 k
C67 C63 R34 Q11 Q11 C44
C62
0.0022 0.001 47 k 0.1 2 P
D22 2SC5085 Y 2SC5085 Y
Q7
MA77 Q6
2SC5107 O
2SC5107 O
R36
R38 R37 C70 C64
R27 R240 1 k
82 k 220 k 0.001 0.1
10 k 1 k C71
0.001
R5V
S5V
RSSI
C126 R80
R83 33 P 12
0 V
100
0 V 4.5 V
2.9 V FI1 C132 C130
FL-311 C129 L26 R81
0.001 0.01
56 P 0.47 H C123 470
C136
18 P
0.01 R85
Q16
560
3SK272
R88 0 V
C133
820 1.0 V L24
1 P L25 R76 C122
C134 R86 C128 C127 56 nH
0.1 H 820 3.5 P A
9 P 120 0.001 47 P
6 P B
VCC
S5V
+5V
2.1 V
IC5B NJM13403V IC6 BU4066BCFV
5 R127
7 10 k
6 1 I/O VDD 14
R129 2 13
O/I CONT.A
10 k 3 12
O/I CONT.D R124
4 11
Q21 DTC144EU R130 I/O I/O 27 k
5 10
12 k CONT.B O/I
R131 6 9
CONT.C O/I C178
5.6 k R125 0.01
C257 R126 7 VEE I/O 8 C179
R128 1 1 M
0.1 180 k
47 k R242
22 k
VOLIN
VOLOUT
AFOUT
SQLIN
VCC
IC9 M62363FP-650C L29 39 H
R165 4.8 V C202
470 1 24 DET 0.001 C201
VIN1 VIN8
T1 T1 2 23 SQLIN 47 P
VOUT1 VOUT8
T2 T2 3 22 DEV
VOUT2 VOUT7
4 21
VIN2 VIN7
IC8 S-80942ANMP-DD6
5 20
VDD GND
DAST DAST 6 19 +5V 5 OUT 1
LD RESET CD
SCK SCK 7 18
CLK VDAREF VDD
SO SO 8 17 4
DI DO C200 NC
9 16 VSS
VIN3 VIN6 0.027
T3 10
VOUT3 VOUT6 15 BAL
R167 R166
T4 11 14 REF
470 k 470 k VOUT4 VOUT5
C204 12 13
VIN4 VIN5
0.01
C203
0.01
R204
390 k
S5V S5V
C270
R183
R208 C235 0.001 R203
R207 2 4 1 k
100 k 820 P 56 k 4.9 V
39 k 1
3
IC5A 2.5 V
R206 11 C232 C221
R205
R209 82 k NJM13403V 0.0012 0.01 Q29
180 k
100 k C234 R182
2SC4116 GR
820P C233 47 k
R185
0.1
15 k
IC13 C220
R188 R187
820 P
C227 TC7S66FU 470 k 470
1
0.01 R189 R184
R195
100 k 5 47 k
120 k
3
4
R196 C226 R192
R190 C222
22 k 3 8 0.1 18 k 2
47k 0.1
1 6
2 7 0 V
R193 5
C224 1.8 V
4 220 k R191
0.033 IC12B
47k
0 V NJM12904V
0.7 V
IC12A CTCSS code transmitting
C230 C229 R194 C225 Q30 XP1213
3.1 V P-P
0.01 0.0068 NJM12904V 68 k 4.7
4 3
2
5 1 DUSE
VCC
T5V
VCO5V
C34
R13
0.001
10
R16
R19
100
R22 100 C35
220 47 P
3.7 V
3.5 V 0 V
C261
C37
R17 0.001
C40 0.001
L10 C267 10 k L9
L11 0.001
R20 0.1 H 6 P 27 nH
0.1 H C33
47 k
C41 1.3 V 2.1 V 100 P
7 P C39 D3 C36
1.2 V 0 V
12 P MA77 18 P
R21 Q4
4.7 2SC5110 O
D4
C42 C38
MA77 R18 R243
22 P 9 P C262
1 k 1.5 k
Q5 0.1 R10
2SC5107 O 4.7 k
C260
R244
100 0.001
0 V
2.0 V R253
470
0 V
R5V
4.6 V
S5V S5V
RSSI RSSI
C249 0.47 A only
C125 R78 R77
27 P 10 k 1 k L56 R66
1 H C112 10 k Q33 R228
L22
C124 0 V 0.01 2SK1829 A only 470 k A only
56 nH
R79 0.001 4.6 V
C108 C107 R64 D18
470 C119 C115 0.001 R229 C106
47 P 18 k A 5.6 k A only MA2S111 A only
1.5 P 0.001 100 k B 1 P
D15 D14 Q15 3SK294 0 V C111
HVU350B R245 3.1 V C265 L54 D13
HVU350B C116 R65 3 P A
820 B 0 V 7 P 56 nH HVU350B L21
2.5 P 2.0 V 120 k A 4 P B
C120 C117 2.2 k A 56 nH
C110 C109 R68 270 k B
33 P B R74 R72 82 P 470 C113
47 P 0.01
68 P A 220 k 220 k 56 P
R70
R75 R71
220 k
10 k 10 k
C118 R73
0.001 10 k C114
C121
0.001
0.001
VCC
S5V S5V
R118 R115
220 k 120 k
C176 R119
C174 150 P
0.0018 270 k AF ON
R116 R109
R113 4.8 V
33 k 68 k
R123 13 820
C177 R120 14 R111 R110
150 k
2.2 82 k 12 27 k 3.3 k R238
IC5D 100 k
C175
0.0056 NJM13403V
R122 R121 R114 C173 R112 C172
R117 10 k
10 k 15 k 0.1 2.2 k 47
100 k
BEEP 2.1 V
C248 0.1 VOLOUT
AFOUT
4.9 V
R151
NTCCM20124AG473JCT
R157
C197 12 k TEMP
22
R160 R152 C191
10 k C195 100 k 0.1
68 P
OSC1
2
R155
3 X3 CR-702
10 OSC2
C199 D16
R158
0.001 MA77 14.7456 MHz
12 k
R156 1.1 V P-P
C196 R159 1 M
R176
470 P 12 k
22 k C194 C193
15 P 22 P
RES
R177
22 k CENC2
C198
R178 R163
0.1
56 k 1 k 16
CENC1
4 1 EXST
Q1 STR
R179 RMUT 5 2 SO
Q2 D
180 k 6 3
CENC0 MMUT Q3 CLK SCK
7 15
Q4 OE
14
R180 Q5
R181 C217 13
10 k NWC Q6 IC15
47 k 0.1 12
Q7 BU4094BCFV
S5C 11
C219 C218 Q8
R5C
0.1 0.039
T5C
9
QS
10
R164 QS
Q35
1 k
8
DTC144EU
Q28 DTC144EU
CPU5V
DUSE
R161
DTCS 8 A0 1
10 k VCC
4.5 V 7 A1 2
WP
6
SCL A2 3
5 VSS 4
SDA
R202 IC11
100 k
C216
0.01 BR24C16FV-E2
VCC
T5V
L2 L1
30 nH 32 nH ANT
L6
R2
EXCCL3225U C4
150 C6 C2
11 P
0.001 7 P
EP6 C9 C8 L3
C20 C18
0.001 47P 4.7 H
0.001 47 P
L52 D1
C21
L51 60 nH 1SV307 C5 C3 C1 R1
0.001
18 nH 22 P 24 P 9 P 82 k
C255 C24 R252
C12 C7
22 P 100 P 10 L53 L5 L4
0.001 0.001
10.5 nH 22 nH 50 nH
Q2
Q1 C17 C11 C10
2SK2973 R3
R8 R5 2SK2974 68 P 15 P 18 P
15 k
68 22
C26 R7 R6 MP5 C14 C13 D2
C25 C23 RB706F-40
R9 0.001 4.7 k 100 k 0.001 0.1 15 P 15 P
33 k
2.4 V C15
0 V R4
0.001
4.7 k
C27
0.001
S5V
0 V Q14
0.6 V W8 C97
R55
0.1 DTA144EV
R227 2.2 k
10 k A only
C102 C98 1.6 V
4.4 V
4 P A L20 L19 0.01
R58
6 P B 50 nH 50 nH 150 k R56
R60
2 10 k
100 3
D12 4
D10 1
HVU350B D9 C99
MA77
ISV307 11 P R61 5 R59 R54
C104 C100 C96 R57
1 k 120 k 68 k 10 k
27 P B R62 18 P A 0.1 C95
0.001
C105 47 P A 220 k 22 P B IC2
C101 D25
3 P A TA75S01F
10 P A MA2S111
2.5 P B
4 P B
R239
C103
R63 100 k
0.001
10 k
VCC
AF ON
Q19 AF ON IC4 TA7368F 3.4 V
2SB1132 R 7.5 V 1 10
NC POUT
2 9
VCC PWGND
3 8
Q20 NC PREGND
4 7
D23 XP6501 AB VIN PHASE
6 5 4 5 6
MA2S111 R104 R247 RIPPLE NF
R102
R105 10 k 1 k R103
10
2.7 k 33
C167
1 2 3 0.047 C165 C164 C163
C166
10 47 P 0.047 100
C171 R107 R106
C170 C169 C168
0.22 1 k 3.3 k 0.22
0.1 6.8
VOLOUT
AFOUT
R153
100 k
BATV
CPU5V
R149
1 k
R241 R143 R212
1 k 100 k 15k
REMO
R154 C192
100 k
0.1
1 48
NC NC
2 47
NC NC
CPU5V 3 46 CLO
AVCC P22/TXD
4 X2 45 CLI
P21/RXD
X1 5 44 ESDA
X1 P20/SCK3
VCL 6 43 AFON
VCL P87
RES 7 42 TLED
RES IC7 P86
TEST 8 41 RLED
TEST P85
VSS 9 HD6433664A24FP 40 TXC
10 VSS P84/FTIOD 39
OSC2 R147
OSC2 P83/FTIOC
OSC1 11 38 1 k
OSC1 P82/FTIOB
VCC 12 37
VCC P81/FTIOA PTT
13 36
P50/WKP0 P80/FTCI EXST
14 35
P51/WKP1 NMI
15 34 DAST
NC R146
NC PLST
16 33 100 k
NC NC
R148
1 k
C247
0.1
R199
R200 R201
47 k
1 k 1 k
R233
R234
100 k
100 k