Icom IC-F14 Service Manual Addendum page 50

SECTION 10. VOLTAGE DIAGRAM
VCC
T5V
S5V
+5V
C211 R102
BAL
1 270K
R103
1M
IC7
6 X2 REF
7 1 VCON 4
R104 VCC
5
REF
2 GND 3
100K OUT
NJM12902V
CR-783
LVIN
EP6
ACZ1005Y
S5V
PLL
R97
D24 R93
UNLK
270
R117
MA2S111 1k
SCK
MB15A02PFV1
4.7K
R118
CLOCK FIN
SO 9 LD 8
10 DATA
PLST GND 7
11 LE
4.7K DO 6
FC
12 VCC 5
NC
13 VP 4
FOUT
14 OSCOUT 3
15 P
OSCIN 2
16 B
1
IC4
S5V
10K
R5V
R305 2SA1576
Q40
10K
Q39
2SC4081
R306
MOD
C161
2 IC 7
R111 R113
10P
1 2SC4116
LVA 3 *3 MULTI
100K 4.7K
Q20
NJM12902V
2SK3019
T5V
VCC
+5V
2SB1132
S5V
Q23
22
2SA1577 2SA1577
Q21 Q22
Q24
XP6501
Q25
UNR9113J
ATX
R221
100
R220
10 PTTI
100
Q28
CP4
PTT
CF20
UNR911HJ
R161 R160
DISC
EM9745P
R170
4.7K 100
MC1
DET
12K
NJM13403V
C271 C273 C270
IC 6 CP3
3
0.047 0.047
0.047
1 CF20
* Q41
2
10K
R163
2SK3019
Q34
RMUT
C275 0.022
J2
R224 2SK3019
CP2
C272 Q35 C274 C276 IC 6
13
470
14
0.047 0.047 0.047
CF20
12
NJM13403V
HSJ1122-010010
BIAS
MMUT
MCOT
MCIN
+5V
R237
HSJ1456-010320 5.6K
Q29 C310
0. 1 BEEP
RB876W UNR9210J
47K
0. 1
BEEPO
R225
C160
R110
100
D26
CLO
J3 CLI
*J5
1
2
R238
100k
*S4
2 C1 1
A1
3 CBI0
B1 4
J1 5 C2 CBI3
1 A2
6 CBI2
2 B2 7
8 C3
CBI1
A3
9
B3
BM02B-ASRS-TF
C323
R229
10
100 0.047
C326
CP5 F1 IC12
R226
1 2 VCC 1 NC 10
POUT
2 VCC 9
PWGND
ERBFE3R00U 3 NC 8
R228
R227 PREGND C324
4 VIN 7
PHASE
TP76N00N
5 RIPPLE 6 47P
10K 1k NF
0.047 10
C325
Q30 TA7368FG
IMSA-9110B-02 2SA2048TL
R230
10 MSVA
DAN222
CP6
AFONO
R234
AFON
150K
D27
R236 D29
Q31
330K 1SS400
XP6501
CONNECT BOARD
Q17
R98
2SC4116 MP3 2775
3.9k
Q18
33P
R89 L26
C127 C126
10K 47P 68N
2SK880
L42
L28
3.3U
3.3U
L39
3.9k
R95
33N
1k
220P L25
C123
C124 82N 68P
L43
L27
3.3U
3.3U
10P L38
C207
68N
L32
33N
180K C150
R109 1
R39 CDBKB450KCAY24
47
C166
IF IC X1
IC 1
3P FI 2 1 OSCIN 16
MIXIN
ALFYM450F=K 2 OSCOUT 15 C61
GND
2 1 0. 1 3 MIXOUT 14 100P
N-REC C58
4 VCC 13
C163 C168 N-DET
C62
5 4 3 5 IFIN 12
RSSI 0.001
6 DEC 11 Q4
68P
Q19 4P I FOUT
390K 7 FILOUT 10 2SC5107
QUAD
8 FILIN 9
C169 AFOUT
IF AMP
R44
TA31136FNG
0. 1
R43
C69 R45
100P 100K 470 C188
0.001
C64
0.01
Q26
UNR9213J
ERTJ0EP473J
VCC
S5V
+5V
R312
0
TEMP 4 IC5 4 IC7 4 IC 6
V+ V+ V+
GND GND GND
11 11
11 1k
0.001
R144
C244
NJM13403V
NJM12902V NJM12902V
820P
S5V
C253
IC5 9
1.5K
SDEC 8
R148 R147
10
R151
C251
NJM12902V 82K 39K
0.022
SIGNAL
NJM12902V C257
IC 7
R157
CDEC 12
NJM12902V 0. 1
14
2.2K R154 R153 R152
13 IC 7
10
R156 22K 22K
22K
8
9
4.7K
C260
470P
DET
+5V
IC10
R171
1 I/O 1 14
VDD
2 O/I1 13
150K CONT1
3 O/I2 12
CONT4 C285
4 I/O2 11
I /O4
5 CONT2 10
O/I4 0. 1
6 CONT3 9
R169 150K R172
0. 1 470 O/I3
7 VSS 8
I /O3
C277 6.8K
R168 270K
100P CD4066BPWR
R183
C278
9 IC 6
8
10
NJM13403V
BIAS
C284
0. 1
R191 R194
CENC0 S5V
180K 22K
R192
CENC1
IC5
13
56K R200
14
R193 R196 R197 R198
CENC2 12
4.7K
22K 47K 47K 47K NJM12902V
Q27
DUSE
UNR9213J
R206
SENC0
220K
R207
SENC1
100K
R208
SENC2
IC 5
2 6
47K
1 7
R209 R211 R212 R213 R214 R215
SENC3 3 5
IC5
22K 68K 68K 68K 68K 68K
NJM12902V
NJM12902V
10 - 1
VCC
T5V
VCO5
ACZ1005Y
RX VCO
1.8K
R85 R79
Q14
R81
0
2SC4226
C102
560
7P
R87
Q12 Q10
Q11
C100 MA2S077
TX VCO
2SC5107
1.8K
2SC5107 2SC5107 10P D1 4
R84 R83
Q13
Q15
4. 7
5 1
UNR9213J
R82
2
Q16
2SC4226
R88
4 3
560 C183
XP1214
10P
C182
0.001
R5V
R309 L12 12P 10
150K 68N C49 R28
3SK293
C37
FI 1
0.01
FL-335
MI X
R3 3
2 1 Q2
HVC350B
C41 HVC350B C40
150
6P 1.5P
0.001 47P
Q3 10K
RF AMP
3SK324
R22
+5V
+5V
IC8
1 VIN1 24
VIN8
2 VOUT1 23
VOUT8
3 VOUT2 22
VOUT7
4 VIN2 21
VIN7
5 VDD 20
GND
6 LD 19
RESET
7 CLK 18
VDAREF
8 DI 17
DO
9 VIN3 16
VIN6
10 VOUT3 15
VOUT6
11 VOUT4 14
VOUT5
12 VIN4 13
VIN5
M62363FP
R140
0
R143 C279 R173 R186 C289
15K 4. 7 120K 120K 0. 1
R174
100K
R175 R176
220K 120K
R177
IC6
6
7
33K
5
10K
R181 NJM13403V IC14
R256
5 CD 1 RES
OUT 2
47K VDD 3
4 NC TEM P
VSS
BD5242G
C348
0. 1
R252
10
CR-764
X3
C344 R255
BIAS
15P 12K
R254
CSFT
12K
EXCCL3225U
L20 ACZ1005Y
5.8N
L1 6 L5 C10 L4
8.6N C12 0.001 45.3N
Q8
C86
C92 RD01MUS1
Q7
47P
C9 3 100P 100P
Q9
2SC5110
RD07MVS2
27P
R122 2SK1829
AGC
18K Q1 R124
C186
470K
0. 1
R9
0.001
3.5P C2 2 C25 C19 L7 L6
HVC375B HVC375B
100
C29 1.5P 6P 39N 45.3N
D4
D8
R1 4
10K
VCC
R258
OPV1
OPV2
DAST [OPV3]
R280
OPT3
100k OPT2
OPT1
CPU5
SIGO
NMI CP14
Q33
UNR9113J
BUSY CF20
RES CP15
MCIN CF20
MCOT
R284
PLSW PTT [PTTO ] 100
NMI PTTI
1 48 SI
2 47 PTT
3 46 OPT2
4 45 OPT1 ATX
5 44 OPT3
6 43 TLED
7 42 RLED
8 41 R261
9 40 R5C
10 39 T5C
11 38 S5C
12 37 DAST
13 36 1k
14 35 NWC
15 34 PLST
16 33 UNLK
XP4216
RLE D
Q32
3 4
TLED
2 5
1 6
ESCL
ESDA
R293
18K
IC15
8 VCC 1
A0 2
7 WP
A1 3
6 SCL
A2 4
5 SDA KEY
VSS
R265
1k BR24L16FV
T5V
J1(CHASSIS)
LPF
45.5N
D2
C7 C6 L3 L2 L1 27.2N
0.001 1SV307 0.001 C175 45.3N C2
C4
1.5P 10 P
5P
R2
4.7K
T5V
C7 9
0.1
R8
Q6
UNR9113J
220K
IC 2
APC
5 R5
3
4
10K
1
TA75S01F
2
AXN330C038
SCK
15 16 SI
14 17 SO
13 18 CIRQ
10K
12 19 CCS
CP10
11 20
10 21 DISC
9 22 DE T
8 23
7 24 BEEPO
6 25 CP11 AFONO
5 26
4 27 VCC
CP12
3 28 +5V
2 29
1 30
J4
* Q42
DS 1
YG
R287
330
R288
HR
1.5K
CL-165HR
*; Refer to "PARTS LIST."