Icom IC-F11 Service Manual page 73

SECTION 12 VOLTAGE DIAGRAM
S1
REF
F1
BAL
C93
S2 47 P
LVIN
F2
R232
150 k
C94
47 P
PLST
SO
SCK
UNLK
DEV
W13 W12 EP7
C92
E only E only E only 0.1
J1
F only
CBI0
1
From
CBI1
2
SW-A UNIT CBI2
3
4 CBI3
C159 C157 C156
C158
0.001 0.001 0.001 0.001
J2
CBI0
1
2
From/to
3
VCC
SW-A and SW-B 4
RLED
5
UNITS
6 TLED
7
VOLOUT
VOLIN
C162 C161 C160
470 P 0.001 47
PTT
SPEAKER
CHASSIS UNIT
SP1 J3
W1 SP
1
1
2 2
C213
OPC-963 0.001
MIC
MIC
MC1
R175
33 k
C215
0.001
PTT
S3
C214
47 P
R213
470
J4
OPT
EXT.MIC EP4
MIC
EP5
C237
0.001
J5
AFOUT
SP
CLONE
EXT.SP
D17
RB706F-40
C240 C239 C238
47 P 0.001 0.001
BDET
VCC
T5V
S5V
+5V
+5V
R47 47
C82
R48
C252 X1
R50 R51 0.1
82 k
100 P CR-671A
56 k 47 k
C84
C85 D19
0.001 R49
2.2 HVC362 C253 9 P
47 k
D21
MA2S111
R244 22
16 1
R OSCIN
15 2
IC1 MB15A02PFV-1 P OSCOUT
14 3 4.8 V
FOUT VP
13 4
R52
NC VCC
12 5
1 k
FC DO
11 6
LE GND
10 7
DATA LD
9 8
CLOCK FIN
LOCK 4.5 V C87
D20 C86 C88
UNLOCK 0.5 V MA2S111 0.001 0.1 47 P
+5V
R5V
S5V
0 V
R96
C148
3.5 V C150
1.2 k
4 P 3 P
C153
L28
0.01 R97
0.22 H
680 k
C149 L27
C151
7 P
56 P 0.82 H
C152
Q18
10 P
2SC4116 GR
C154
220 P
SQLIN
R100
R98
22 k
R99 47 k
1.2 k
C155
220 P
VCC
S5V
+5V
+5V +5V
R141
470
PTT ON 4.8V
Q22 UN911H
PTT OFF 0V
C190 R142
0.1 100 k
C189 C188
470 P 10
MIC MIC
VOLIN
VOLOUT
AFOUT
SQLIN
VCC
4.9 V 0 V
Q24 2SB1132 R
0 V 4.9 V
+5V
S5V
R5V
Q26
T5V
R171
2SA1577 Q
Q27 10 k 6
R173
10 k
2SA1577 Q
R174
1
4.7 k R172
4.7 k
R170
2.2 k
C211
C212 C210
0.01 0.01 22
S5V
R5V
R211
100 k
R218
R245 R210 R216 R217 R219
22 k 47 k 100 k 220 k
100 120 k
R214
1 k
Q32
DTC144TU
C258
R222
R215
47 P 68 k
22 k
R223 R224
68 k
68 k
C242
0.0027
12 - 1
NOTE: A: [F21], [F21BR], [F21GM] and [F21S]
D: [F21], [F21S], [F22] and [F22S]
+5V
+5V
R44
4.9 V
Q13 1 k
2SK880 Y
C78
0.001
Q31
2SC4215 O
C81
100 P C80
47 P
R45
R43
C83 R46 10 k
47 k
100 P
1.2 k
15.3 MHz
R42
0.75 V P-P
1 k
C77
0.047
R53
L18
47 C90
15 nH C91 R39 R38
C89 6 P
6 P
100 k 22 k
0.001
DEV
+5V +5V
R5V R5V
S5V S5V
R94 0 V R221
X2
R95
47
4.7 V 100 k
150 CDBCA450CX24
C143
IC3 TA31136FN 0.001
1 16
FI2
OSCOUT MIXIN
2 15
ALFYM450F=k
OSCIN GND
3 14
MIXOUT N-REC
O I
4 13 C140
VCC N-DET
120 P
5 12
IFIN RSSI
6 11
DEC IFOUT
7 10
FILOUT QUAD
8 9
FILIN AFOUT
C145 C144
C147 C146
0.1 0.001 1 0.001
C142
0.001
VCC
S5V
+5V
C186
C187
0.0056 IC5C NJM13403V
0.022
10
8
9
C184
R140
R138
180 P
15 k
R139
470
100 k
R137
R136
C185
180 k
10 k
0.1
SQLIN
VCC
+5V
IC10
NJM2870
R169
10k
5 4
Q25
XP6501 AB
Q23
2 3 DTA144 EU
C207
C208
C209
C259
10
0.01
0.1 0.01
S5V
R5V
C223
47 P
C243 C245
0.0082
0.0056
8
3
1
2
R225 R226
4
68 k
68 k
IC16A
C244 C246
IC16B NJM12904V
180 P NJM12904V 68 P
B: [F22], [F22S] and [F22SR] C: [F21BR], [F21GM] and [F22SR]
E: [F21BR], [F21S] and [F22S] F: [F21GM], [F21], [F22] and [F22SR]
VCC
T5V
S5V
Q12 XP6501 AB
R29
6 1
C56
3.3 k
5 2
1
C55
C52
4 3
C57
LV 7 P 4 P
47 P
C54
6 P
R220 L13
C58
C53
2.2 k 11 nH
10 4 P
L14
4.7 H
C59
D5
47 P
HVU350B
R32
3.3 k
C73
47 P
C69 C67
L17 C66
C65
7 P
4.7 H 0.3 P 1.5 P
5 P
L16
R40 C68
11 nH
R41
6.8 k 3 P
3.9 k
C75 C74
D7 D6 R34 R240
C76 0.1 0.001
MA368 82 k
HVU350B 120 k
1
C72 R37 C71
0.001
100 k 1
R89
1 k
R92
0 V
1.8 k C137
R91
2.9 V
100P
470
C136
0.001
R90
120 k
R88
180
R93
C139
330 C138
0.001 0.001
Q17
2SC4215 O
R87
2.7 k
R133
12 k IC5B NJM13403V
5
7
6
C183 C182 C181
0.1 0.047 0.047 R129
2.1 V
10 k
R132
Q21 DTC144EU
10 k
R134
R131
4.7 k
5.6 k
C257
R128
0.1
47 k
VOLIN
VOLOUT
AFOUT
WIDE 4.8 V
NAR 0 V
T1
T2
T3
T4
DAST
SCK
C206
C205 SO
10
0.1
R166
R168 R167
470 k 470 k
470 k
R208
C235
100 k
820 P
R207
C236
R209 39 k
0.022
100 k
R5V
C227
5/2 tonecode
0.01
transmitting C228
R198
3 V P-P 0.1
22 k
5 3 8
7 1
6 R197 2
R196
22 k
22 k 4
IC12A
C229 NJM12904V
C230
0.0068
0.01
C231
0.039
VCC
T5V
VCO5V
R28
EP2
2.7 k
C48
0.001
W4
Q10
C50 2SC5085 Y
7 P
C51 C49
8 P 0.5 P
R31
EP3
3.3 k
C61 C60 1.8 V
Q11
47 P 0.001 0 V
2SC5085 Y
R30 C46
330 470
C63
5 P
C62
L15
C64
5
0.68 H 0.5 P 1
10 P
Q8
R33 2
Q9 XP1214
DTC144E
220
C70 4 3
0 V
0.001
1.7 V
R27
R35
R36
10 k
18 k 100 k
C251
0.001
R5V
S5V
RSSI
R83
0 V
100 4.5 V
C130 C129
R84 L26
FI1 0.01 12 P 1.0 H
1k
FL-335
Q16
R85
3SK272
C132
1 0 V
0.001
1.0 V
R86 R82
C133 220 47 k
5 P
C128
C127
0.001
47 P
C134
20 P
VCC
S5V
+5V
2.1 V IC6 BU4066BCFV
R127
10 k 1 14
I/O VDD
2 13
O/I CONT.A
3 12
O/I CONT.D
4 11
R130
I/O I/O
5 10
12 k
CONT.B O/I
6 9
CONT.C O/I
7 8
R126 VEE I/O
C180
0.0022 1
R242
3.3 k
VOLIN
VOLOUT
AFOUT
IC9 M62363FP-650C
4.8 V
R165
1 24 DET
470
VIN1 VIN8
T1 T1 2 23
SQLIN
VOUT1 VOUT8
3 22 DEV
T2 T2
VOUT2 VOUT7
T3 4 21
VIN2 VIN7
T4 5 20
VDD GND
DAST DAST 6 19 +5V
LD RESET
SCK SCK 7 18
CLK VDAREF
SO SO 8 17
DI DO
9 16
VIN3 VIN6
T3 10 15 BAL
VOUT3 VOUT6
T4 11 14 REF
VOUT4 VOUT5
12 13
C204 VIN4 VIN5
0.01 C203
0.01
R204
390 k
S5V
R203
4
2 1.5 k
1
3
IC5A
11 2.5 V
R206 R205
NJM13403V
82 k
180 k
C234
C233
820P C232
0.1
0.047
R187
470
1
R189
5
100 k R188
R195
3 470 k
4
120 k
IC13
C226 R192
TC7S66FU
0.1 18 k
2
6
7
R190 5
R193
C224 47k
220 k IC12B
0.033
0 V
NJM12904V
0.7 V
R191
CTCSS code
R194 C225 47k Q30 XP1213
3.1 V P-P
68 k 4.7
4 3
2
DUSE
5 1
0
1