Icom IC-F11 Service Manual page 75

SECTION 12 VOLTAGE DIAGRAM
VCC
T5V
S5V
+5V
+5V
R47 47
C82
R50 C252 0.1 X1
S1 R51
56 k 100 P CR-671A
REF 47 k
F1
C84
C85 D19
0.001
2.2 HVC362 C253 9 P
BAL
C93
S2 47 P LVIN R244 22
F2
16 1
R OSCIN
R232 15 2
IC1 MB15A02PFV-1 P OSCOUT
150 k 14 3
FOUT VP
13 4
C94 R52 NC VCC
12 5
47 P 1 k FC DO
PLST 11 6
LE GND
SO 10 7
DATA LD
SCK 9 CLOCK FIN 8
UNLK
LOCK 4.5 V D20 C86
UNLOCK 0.5 V MA2S111 0.001
DEV
+5V
R5V
W13 W12 EP7
C92
E only E only E only S5V
0.1
R96 0 V
3.5 V C150
1.2 k
4 P
J1
C153
F only R97 L28
0.01
680 k 0.22 H
CBI0
1 C149
From C151
2 CBI1 7 P
56 P
SW-A UNIT 3 CBI2 C152
Q18
4 CBI3 10 P
2SC4116 GR
C154
220 P
SQLIN
C159 C158 C157 C156
R100
0.001 0.001 0.001 0.001
22 k
R99
J2
1.2 k
CBI0
C155
1
220 P
2
From/to 3
VCC VCC
SW-A and SW-B 4
RLED
5 S5V
UNITS 6 TLED
+5V
7
VOLOUT +5V +5V
VOLIN
R141
470
C162 C161 C160
PTT ON 4.8V
470 P 0.001 47 Q22 UN911H
PTT OFF 0V
PTT
C190 R142
0.1 100 k
C189 C188
470 P 10
MIC
VOLIN
VOLOUT
AFOUT
SQLIN
VCC
4.9 V 0 V
0 V 4.9 V
+5V
S5V
SPEAKER
R5V
CHASSIS UNIT Q26
SP1 J3
SP T5V
W1 1 2SA1577 Q
1 Q27
2 2 R173
C213 2SA1577 Q 10 k
OPC-963 0.001
R174
4.7 k R172
4.7 k
MIC
MIC MC1
C211
C212
R175 0.01 0.01
33 k
C215
0.001
PTT
S3
C214
47 P S5V
R213 R5V
470
J4 OPT
EXT.MIC EP4
MIC
EP5
R211
C237
100 k
0.001 R245 R210 R216 R217
100 120 k 22 k 47 k
J5 AFOUT
R214
SP 1 k
Q32
CLONE
EXT.SP DTC144TU
D17
RB706F-40
C258 R222
R215
47 P 68 k
C240 C239 C238 22 k
47 P 0.001 0.001
R223
68 k
C242
BDET 0.0027
12 - 1
NOTE: A: [F21], [F21BR], [F21GM] and [F21S] B: [F22], [F22S] and [F22SR]
D: [F21], [F21S], [F22] and [F22S] E: [F21BR], [F21S] and [F22S]
VCC
T5V
S5V Q12 XP6501 AB
6 1
+5V
5 2
+5V R44
C55
4.9 V 1 k 4 3 C57
Q13 LV 7 P
47 P
2SK880 Y
R48 C78
82 k 0.001
R220
Q31 C58
2.2 k
2SC4215 O 10
C81 L14
R49 100 P C80 4.7 H
47 k 47 P C59 D5
D21 R45 47 P HVU350B
R43
MA2S111 C83 10 k
R46 47 k
100 P 1.2 k
C73
47 P
C69
L17
7 P
4.7 H
15.3 MHz R42 R40 C68
0.75 V P-P R41
4.8 V 1 k 6.8 k 3 P
3.9 k
C75 C74
C77
C76 0.1 0.001 D7
0.047
1 HVU350B
R53
L18
47 C90
C88 C87 15 nH C91 R39 R38 C72 R37
C89 6 P 6 P 0.001
0.1 47 P 100 k 22 k 100 k
0.001
DEV
+5V +5V
R5V R5V
S5V S5V
R94 0 V R221
C148 R95 X2
47 4.7 V 100 k
3 P 150 CDBCA450CX24 R89
1 k
R92
C143
1.8 k C137
IC3 TA31136FN 0.001 R91
100P
L27 1 16 470
FI2 OSCOUT MIXIN
0.82 H
ALFYM450F=k 2 15
OSCIN GND
3 14 R90
O I MIXOUT N-REC
4 13 C140 120 k
VCC N-DET
5 12 120 P
IFIN RSSI
6 11 R93
DEC IFOUT C139
7 10 330 C138
FILOUT QUAD 0.001
0.001 Q17
8 FILIN AFOUT 9
2SC4215 O
R98
47 k
C147 C146 C145 C144
0.1 0.001 1 0.001
C142
0.001
VCC
S5V
+5V
R133
12 k
C186
C187
0.0056 IC5C NJM13403V
0.022 C183 C182 C181
10
8 0.1 0.047 0.047
2.1 V
9
R132
R140 C184
R138 10 k
15 k R139 180 P R134
470
100 k 4.7 k R131
5.6 k
R137
C185 R136
180 k
0.1 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
T4
Q25 DAST
XP6501 AB SCK
Q23
C206
C205 SO
1 2 3 DTA144 EU 10
0.1
R170
R168
2.2 k C207
C210 C209 C208 470 k
22 10 C259
0.1 0.01
0.01
S5V
R5V
C236
R209
R218 R219 0.022
100 k 220 k 100 k
R5V
5/2 tonecode
C223
transmitting C228
C243 47 P C245
3 V P-P R198 0.1
0.0056 0.0082
22 k
8
3 5
1 7
2 6 R197 R196
R225 R226
R224 4 22 k 22 k
68 k 68 k
68 k
C244 IC16A C246
IC16B NJM12904V
180 P NJM12904V 68 P
C230 C229
0.01 0.0068
C231
0.039
C: [F21BR], [F21GM] and [F22SR]
F: [F21GM], [F21], [F22] and [F22SR]
VCC
T5V
VCO5V
R29 R28
EP2
C56 3.3 k 2.7 k
1
C52 C48
0.001
4 P W4
Q10
C50 2SC5085 Y
C54
7 P
6 P L13
C53 4.1 V
11 nH C45
4 P C51 C49
47 P
8 P 0.5 P
R31 EP3
3.3 k
R24
R32 C61 C60 1.8 V
Q11 3.7 V 100 3.3 V
3.3 k 47 P 0.001 0 V
2SC5085 Y
R30 C46 R25 R23
R26
C67 C63 330 470 P 330 68 k
C66 C65 68 k
0.3 P 1.5 P 5 P C43
5 P
470 P
L16
L15 C62
11 nH C64
0.68 H 0.5 P 5 1
10 P
Q8 C44
R33 2
Q9 XP1214 DTC144EU 3 P
D6 220
R34 R240 C70 4 3 Q7
MA368 82 k Q6
120 k 0.001 0 V
1.7 V 2SC5107 O 2SC5107 O
R27
C71 R36 R35
10 k
1 18 k 100 k C47
47 P
C251
0.001
R5V
S5V
RSSI
R83
0 V
0 V 100 4.5 V
2.9 V C126 R80
C130 R84 C129 L26 R81
5 P 12
FI1 0.01 1k 12 P 1.0 H 470
C136 C123
FL-335
0.001 22 P
Q16
R85
C132 3SK272
R88 1 0 V
0.001 L24
180 1.0 V
R86 R82 L25 R76 10 nH
C133 220 47 k 33 nH 4.7 k
5 P
C128
C127 C122
0.001
47 P 5 P
R87 C134
2.7 k 20 P
VCC
S5V
+5V
IC5B NJM13403V
2.1 V IC6 BU4066BCFV
5 R127
7
10 k 1 14
6 I/O VDD
2 13
R129
O/I CONT.A
10 k 3 12
O/I CONT.D R124
R130 4 11
Q21 DTC144EU I/O I/O 27 k
12 k 5 10
CONT.B O/I
6 9
CONT.C O/I
7 8 C179 R125
C257 C180 R126 VEE I/O C178
R128 1 1 M
0.1 47 k 0.0022 1 0.01
R242
3.3 k
VOLIN
VOLOUT
AFOUT
L29 39 H
IC9 M62363FP-650C
4.8 V
R165
1 24 DET C202
470 VIN1 VIN8 C201
0.001
T1 T1 2 23 SQLIN 47 P
VOUT1 VOUT8
T2 T2 3 22 DEV
VOUT2 VOUT7
T3 4 21
VIN2 VIN7 IC8 S-80942ANMP-DD6
T4 5 20
VDD GND
DAST DAST 6 19 +5V 5 OUT 1
LD RESET
SCK SCK 7 18 CD
CLK VDAREF VDD
SO SO 8 17 4
DI DO NC VSS
9 16
VIN3 VIN6
T3 10 15 BAL
VOUT3 VOUT6
R167 R166 T4 11 14 REF
VOUT4 VOUT5 C200
470 k 470 k 12 13
C204 VIN4 VIN5 0.027
0.01 C203
0.01
R204
390 k
S5V S5V
R208 R203 EP6
C235
100 k 2 4 1.5 k
820 P 1 4.9 V
3
11 IC5A 2.5 V Q29
R207 R206 R205
NJM13403V
39 k 82 k 180 k 2SC4116 GR
C234 R182
C233 47 k
820P C232
0.1 R185
0.047
27 k C220
R187 820 P
470
C227 1
R184
0.01 R189
100 k 5 R188 47 k
R195
4 3 470 k
120 k
IC13 C222 0.047
C226 R192
TC7S66FU
3 8 0.1 18 k 2
1 6 R186 150 k
2 7 0 V
R193 R190 5
4 1.8 V
220 k C224 47k IC12B
0 V 0.033
NJM12904V
0.7 V
IC12A R191
47k Q30 XP1213 CTCSS code transmitting
NJM12904V R194 C225
3.1 V P-P
68 k 4.7 4 3
2
DUSE
5 1
VCC
T5V
VCO5V
C260 C34
0.001 47 P
R13 R11
220 10
R19 R16 C35
47 P
R22 100 10 k 3.7 V 4.7 V
220 3.5 V 0 V 0 V
C21
C37
C40 0.01
L11 0.001 R17 C30
470 P
27 nH L10 100 R15 0.001
R20 R14 R12 L8
47 k 27 nH 56 k L9 12 k
C41 2.1 V 1 k 12 nH
1.3 V 15 nH C31
12 P C39 1.2 V D3 0 V
470 P
5 P MA77
C29
R21 12 P
C36 C33 C28
C42 33
C38 10 P A 10 P 5 P
12 P Q4 Q3 R10
D4 5 P 4 P B 4.7 k
MA77
Q5 2SC5107 O 2SC3585 R44
2SC5107 O R18 R9
4.7 k 33 k
0 V
2.0 V
R5V 0 V
S5V 4.6 V
S5V
RSSI RSSI
R77 R69 R66 C249
1 k 47 C112 56 k 0.47 Q33
R228
0.001 C111 L22
C125 R78 C124 2SK1829 470 k
R79 5 P 10 nH R229
10 P 10 k 0.001 0 V C108 C107
470 1.8 k D18
C119 D14 4.6 V 47 P 0.001 R64
MA2S111
0.5 P HVU350B 100 k
0 V
D15 C115 C113 Q15 3SK293 C106
0 V 3.1 V
HVU350B L23 0.3 P 8 P 3 P
2.0 V R65 L21
C120 C117 10 nH
220 k 10 nH C105
8 P R74 8 P R70
R72 D13 3 P
220 k 220 k
220 k C116 HVU350B
C109 R68
6 P C110
C114 47 P 0.001 330
R75 C118 R73 R71 47 P
10 k C121 47 P 10 k 10 k
47 P
VCC
S5V S5V
R118 R115
220 k 120 k
C176 R119 C174 180 P
AF ON
0.0033 150 k R116 C261
4.8 V
33 k R113 47 P
R123 13 470 R110
14 R111
120 k 12 3.3 k
18 k R109
IC5D 68 k
C177 R120
R117 NJM13403V
R122 R121 2.2 39 k R114
100 k C173
10 k 6.8 k C175 0.0056 10 k R238
0.1
100 k
R112 C172
2.2 k 47
BEEP 2.1 V
C248 0.1 VOLOUT
AFOUT
4.9 V
R151
NTCCM20124AG473JCT C191
R157
0.1 TEMP
12 k
R152
R160
100 k
10 k C195
C197
68 P OSC1
22
2
X3 CR-702
3
OSC2
C199 C196
D16
0.001 470 P R158 R155 14.7456 MHz
MA77 1.1 V P-P
12 k R156 10
R176 R159 1 M
22 k 12 k
C194 C193
15 P
R177 22 P
22 k
RES
CENC2
C198
R178
R163 0.1
56 k 16
CENC1 1 k
4 1 EXST
Q1 STR
CENC0 RMUT 5 2 SO
Q2 D
MMUT 6 3 SCK
Q3 CLK
R179 7 15
Q4 OE
180 k 14
Q5
R180 13
IC15
47 k NWC Q6
12
S5C Q7 BU4094BCFV
11
R181 R5C Q8
C218
47 k 0.0082
T5C 9
QS
C219 10
QS
0.1 R164
1 k
8
Q28 DTC144EU R161 10 k
CPU5V
DUSE
DTCS 8 A0 1
4.5 V VCC
7 A1 2
WP
6 A2 3
SCL
5 VSS 4 C247
SDA
0.1
R202 IC11
C216
100 k HN58X2416TI
0.01
VCC
T5V L2 L1
14 nH 14 nH ANT
L6 R2
3225 H 100 C6
VCO5V
0.001
C2
C9
W14 C8 L3 1 P J7 [F22SR] only
0.001 47P
0.82 H B only
L30
C5 C3
C20 C18 0.30-0.9-9TR R1
0.001 C24 4 P 7 P
W2 47 P D1 82 k
39 P except [F22SR]
L5 C12 L4 1SV307
33 P [F22SR] only
0.4-0.9-2TL 0.001 14 nH C7
C255 0.001
Q2
0.001 R5 Q1 C17
2SK2973 R3
R8 10 A 36 P except [F22SR]
100 A 47 B 2SK2974 15 k
47 B
MP5 C13 D2
C26 R7
0.001 12 P except [F22SR] RB706F-40
4.7 k
18 P [F22SR] only
R6 C25 C23 2.4 V C14
C15
33 k 0.001 20 P 0 V 10 P except [F22SR] R4
0.001
6 P [F22SR] only 1 k
C27
470 P
S5V
0 V
W8 Q14
0.6 V C97 R55
A only DTA144EU
0.1 2.2 k
R227
180 k
1.6 V
C98
C102 L20 L19 4.4 V
0.01 R58
1.5 P 14 nH 14 nH R56
150 k
10 k
2 3
D12
4
HVU350B 1
R60
R61 5 R59 R57 R54
100 C96
C104 1 k 120 k 68 k 10 k
R62 0.1
7 P IC2
220 k
D10 C100 D9 C99
MA77 8 P MA77 9 P TA75S01F
R63 C103
R239
10 k 47 P
100 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
NC PREGND
4 VIN PHASE 7
6 5 4 5 RIPPLE NF 6
R104 R243 R102
R105 10 k 1 k 10
D22 R103
2.7 k
MA2S111 C167 33
C163
1 2 3 0.047
100
Q20
XP6501 AB C166 C164
C165
10 0.047
C171 R107 C170 R106 C169 C168 47 P
0.22 1 k 0.1 3.3 k 6.8 0.22
VOLOUT
AFOUT
R153
100 k
BATV
CPU5V
R149
1 k
R212
R241 R143
15k
REMO 1 k 100 k
D only
C192
R154
0.1
100 k
1 NC 48
NC
2 47
NC NC
CPU5V 3 46 CLO
AVCC P22/TXD
4 45 CLI
X2 P21/RXD
X1 5 44 ESDA
X1 IC7
VCL 6 P20/SCK3 43 AFON
VCL P87
HD6433664A24FP
RES 7 42 TLED
RES except [F22SR] P86
TEST 8 41 RLED
TEST P85
VSS 9 HD64F3664FP 40 TXC
VSS P84/FTIOD
OSC2 10 [F22SR] only 39 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 DAST
15 34
NC NC PLST
16 33
NC NC
R148
1 k
R145
R146
100 k 100 k
C only
J6 [F22SR] only
RES
1
CPU5V
2
R199 CLI
R200 R201 3
47 k
1 k 1 k CLO 4
R233 5
RLED
R234 100 k 6
100 k