Icom IC-F14 Service Manual page 30

SECTION 11 VOLTAGE DIAGRAM
11-1 MAIN UNIT
VCC
T5V
S5V
+5V
BAL
C211 R102 R103
1 270 k 1 M
X2
IC7
CR-783
6 REF
NJM12902V
7 1 4
REF 5 VCON VCC
2 3
GND OUT
R104
100 k
LVIN
EP6
S5V
UNLK
R117
R93
D24
4.7 k
SCK MA2S111 1 k
R118
9 8
4.7 k CLOCK FIN
SO
10 7
DATA LD
PLST 11 6
LE GND
12 5
FC DO
13 4
NC VCC
C161
14 3
VP
FOUT 10 P
15 2
P OSCOUT
16 1
B OSCIN
IC4
MB15A02PFV-1
S5V
Q40
2SA1576 R
R305
10 k
Q39
2SC4081 R
R306
10 k
MOD
R111
2
100 k
1
LVA 3
R113
IC7
4.7 k
NJM12902V
Q20
2SK3019
T: 0.0
T: 5.0
R: 5.0
R: 0.0
C: 5.0 C: 5.0
T5V
VCC
+5V
Q23
S5V
2SB1132 R
Q21 Q22
2SA1577 Q
2SA1577 Q
Q24
XP6501 AB
Q25
UNR9113J
R221
100
MC1
SKP-4538
Q28
R222
UNR911HJ 33 k [F14][F14S]
22 k[F15][F15S]
R161
4.7 k R170
12 k
3
1
IC6
R224 C271 C273 C270 2
J2
NJM13403V
0.047 0.047 0.047
HSJ1122-010010 470
Q34
R163
10 k 2SK3019
J3 Q35
HSJ1456-010320 C274
2SK3019
CP2 0.047
C272
0.047
BIAS
J1
BM02B-ASRS-TF
+5V
1
2
Q29
D26
RB876W TL UNR9210J
CHASSIS R225
100
1
2 J5
R238
BM02B-ASRS-TF
100 k
S2
S4
AS-243-A13 2 1
C1 A1
(Only F14S, F15S)
3
B1
5 4
C2 A2
6
B2
8 7
C3 A3
9
B3
F1
ERBFE3R00U
VCC
1 2
CONNECT BOARD
R226
TP76N00N-15F-10KA-2251
Q17
2SC4116 BL
C127 L26
CP1 47 P 68 nH
Q18
2SK880 Y
R89
10 k
L42
L28
3.3 H
3.3 H
R95
1 k
L39 C124 L25
220 P 82 nH
33 nH
R97
270
C207 L27
10 P 3.3 H
L32 L38
33 nH 68 nH
R109
C150
180 k 1
T: 0.0
R: 4.8
R5V
T: 0.0
R: 3.3 R39
IF IC
IC1
47
TA31136FN
R116 C166
1 16
680 k OSCIN MIXIN
3 P
2 15
C163
OSCOUT GND
3 14
4 P
Q19 MIXOUT N-REC
4 13
VCC N-DET
2SC4116 BL
5 12
IFIN RSSI
6 11
DEC IFOUT
7 10
FILOUT
QUAD
8 9
*3 MULTI
FILIN AFOUT
R44
FI2
390 k T: 0.0
ALFYM450F=K
R43
R45
R: 1.1
2 1 470
100 k
C168
5 4 3
0.1 C69
100 P
C169
0.1
T5V
R5V
VCC
S5V
+5V
IC5 IC6 IC7
NJM12902V NJM13403V NJM12902V
4 4 4
R144
V+ V+ V+
1 k
GND GND GND
11 11 11
TEMP
S5V
IC5 C253
NJM12902V 820 P
9
SDEC
8
10
R151
R148 R147
1.5 k
82 k 39 k C251
R150
0.022
180 k
PTTI IC7
NJM12902V
SIGNAL
R220 IC7 C257
100 12 0.1
NJM12902V
PTT CDEC
14
13 10
8
CP4 R157
R154
9 R153 R152
2.2 k
T: 5.0
22 k 22 k 22 k
R: 0.0
R156
DISC
470 k
R160
R155 C259
100 DET
C260
100 k 1
470 P IC10
DET CD4066BPWR
CP3 1 I/O1
2
R171
3
150 k
4
R169
RMUT 5
150 k
C275 6
0.022 7
R172
C278
R183
270 k
100 P
IC6 C277 R168
6.8 k
S5V
0.1 470
NJM13403V
9
13
IC6 8
14
10
C276 12
NJM13403V
0.047
BIAS
MMUT
C: 2.2
MCOT
MCIN
R237
5.6 k
R191 R194
BEEP
180 k 22 k
CENC0 S5V
C310
R192
0.1
BEEP0
56 k
CENC1
R200
R110 C160 13
R193 R196 R198
4.7 k
47 k 0.1 14
22 k 47 k 47 k
CENC2 12
CLO
IC5
CLI R197
47 k NJM12902V
DUSE
Q27
R206
CBI0
220 k UNR9213J
CBI3
SENC0
CBI2
R207
CBI1
100 k
SENC1
R208
47 k
SENC2
2
R209 R211 R213 R214
1
68 k 68 k 68 k
22 k
SENC3 3
R212 IC5 R215
68 k
68 k
NJM12902V
11 - 1
VCC
T5V
VCO5
C: 4.3 R79
RX VCO
C: 4.8
1.8 k
C: 3.9
R85
R81
3.9 k
ERJ2GE-JPW
C126
Q14
33 P
R87
2SC4226 R25
560
C102
7 P
R83
TX VCO
1.8 k
Q11
R84
C123 R82 2SC5107 O
3.9 k
68 P 4.7
5 1
Q13 2
Q16
2SC4226 R25
4 3 T: 0.0
UNR9213J
R: 5.0
R88
Q15
L43
560
3.3 H
XP1214
T: 4.3
R: 0.0
R5V
C49 R28
T: 0.0
2 P
10
T: 0.0 R: 4.7
R: 4.7
FI1
C61
FL-335
C41
MIX
100 P C58 R33 46.350 MHz
10 P
0.001 330
2 1
C62
82 P
Q4
Q3
2SC5107 O 3SK299 U73
IF AMP T: 0.0
T: 0.0
R: 0.8
Q26
R: 4.8
UNR9213J
C64
0.01
T5V
+5V
+5V
IC8
M62363FP-650C
C244
0.001
1 24
VIN1 VIN8
2 23
VOUT1 VOUT8
3 22
VOUT2 VOUT7
4
21
VIN2 VIN7
5 20
VDD GND
6 19
LD RESET
7 18
CLK VDAREF
8 17
DI DO
9 16
VIN3 VIN6
10
15
VOUT3 VOUT6
11 14
VOUT4 VOUT5
12 13
VIN4 VIN5
R140
ERJ2GE-JPW
R5V
R143 R186 C289
C279 R173
15 k 4.7 120 k 120 k 0.1
R176
120 k 5
CD
R174
100 k IC6 4
NC
NJM13403V
T5V
IC14
R175 6
BD5242G
220 k 7
R177 5
R178
14 33 k
VDD
13 150
O/I1 CONT1 C285
R181
12
O/I2 CONT4 0.1
47 k
11
I/O2 I/O4
10
CONT2 O/I4
9
CONT3 O/I3
R252
8
VSS I/O3
10
X3
C344
CR-764
15 P
BIAS
C326 R229
C284
100
0.1
T: 0.0
R: 7.1 1 10
NC POUT
2 9
R227 R228 VCC PWGND
3 8
NC PREGND
10 k 1 k
4 7
VIN PHASE
5 6
RIPPLE NF
Q30
2SA2048TL R IC12
TA7368F
R230
D27
T: 6.8
DAN222
R: 6.6
R234
6 150 k
Q31
7
5 XP6501 AB
R236 D29
IC5
330 k 1SS400
NJM12902V
L20
EXCCL3225U
T: 4.7
R: 0.0
C: 4.6
Q7
Q8
C100
RD01MUS1 RD07MVS1
10 P
C92 C86
100 P 100 P
Q10 Q9
D14 C93
2SC5107 O MA2S077 27 P
2SC5110-O
T: 1.1
R: 0.0
C183
T: 0.0
10 P
R: 1.1
C182
0.001
R122
18 k
AGC
Q1 T: 0.0
T: 0.0
R: 1.5
2SK1829
R: 4.7
C186
0.1
R124
470 k
C40
1.5 P C37
0.01
C22
C29 C25
1.5 P 6 P
3.5 P
Q2
0.001
3SK293
T: 0.0
R: 1.4 T: 0.0
R: 2.7
R22
R14
RF AMP
10 k
10 k
C: 3.6
R258
UNR9113J
100 k
C: 5.0
CPU5
R256
10 k
RES
OUT 2 1
VDD
3
VSS
TEMP 1 48
PB6/AN6 P70/SCK3_2
2 47
PB7/AN7 P23
3 46
AVCC P22/TXD
C348 4 45
X2 P21/RXD
0.1 5 44
X1 P20/SCK3
6 43
P87
VCL
7 42
RES IC13 P86
8 41
TEST P85
HD6433687
9 40
VSS
P67/FTI0D1
10 39
OSC2 P66/FTI0C1
11 38
OSC1 P65/FTI0B1
12 37
VCC P64/FTI0A1
13 36
R255 P60/FTI0A0
P50/WKP0
14 35
12 k P51/WKP1 NMI
CSFT
15 34
P34 P61/FTI0B0
16 33
P35 P62/FTI0C0
R254
12 k
C323
10 0.047 ESCL
ESDA
IC15
BR24L16FV-WE2
8
VCC
7
WP
6
SCL
5
C324
R265 SDA
47 P
1 k
C325
10 10
T5V
T: 1.7
R: 0.0 J1(CHASSIS)
BM02B-ASRS-TF
LPF
C10 L4 C7 L3 L1
54 nH 32 nH
0.001 50 nH 0.001
L16 L5 D2 C6 L2
10.5 nH 7.5 nH 0.001 50 nH
1SV307
C175 C2
C12 1.5 P 10 P
C4
47 P
5 P
R2
4.7 k T: 1.4
R: 0.0
T: 2.9 T: 0.0
R: 0.0 R: 5.0
T: 2.5 T5V
R: 0.0
C79
0.1
Q6
R8 UNR9113J
220 k
IC2 APC
TA75S01F
R5
10 k
5 3
L7 L6
4
39 nH 50 nH
1
R9
2
C19
100
VCC
J4
AXN330C038
Q33
PTTI
1
PTT[PTT0]
2
MCOT R284 100
3
MCIN
4
RES CP15
5
BUSY
6
NMI CP14
7
PLSW
SIGO
8
OPT1
9
NMI
OPT2
10
OPT3
11
SI R280 10 k 12
DAST[OPV3]
PTT 13
OPV2
OPT2 14
OPV1
OPT1 15
SCK
OPT3 16
SI
TLED 17
SO
PLED 18
CIRQ
19
R261
CCS
20
1 k R5C
T5C CP10 21
DISC
S5C 22
DET
23
DAST
CP11 24
BEEPO
NWC 25
AFONO
26
PLST
CP12 27
UNLK
28
+5V
RLED 29
DS1 30
Q32
T: 0.0 CL-165HR/YG
XP4216 R287
R: 5.0 YG
330 J4
3 4
2
TLED 5
HR
1 6 R288
T: 5.0
1.5 k
R: 0.0
R293
1
18 k
A0
2
A1
3
A2
4
VSS KEY
NOTES :
Voltage line
Common line
TX line
RX line