Icom IC-F14 Service Manual Addendum page 11

Apr. 2012
SECTION 10. VOLTAGE DIAGRAM
VCC
T5V
S5V
+5V
R102
C211
BAL
1 270K
R103
1M
IC7
6 *X2 REF
7 1 VCON 4
R104 VCC
REF 5
2 GND 3
100K OUT
NJM12902V
LVIN
EP6 ACZ1005Y
S5V
PLL
D24 R93
UNLK
R117
DA2S10100L 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
R305
Q40
L2SA1576AS
10K
Q39
L2SC4081
R306
MOD
C161
2 IC7
R111 R113 10P
1
3
LVA *3 MULTI
100K 4.7K
NJM12902V
Q20
2SK3019
T5V
VCC
+5V
2SB1132
S5V
Q23
22
2SA1577 2SA1577
Q21 Q22
Q24
DMC506010R
Q25
DRA9144E
ATX
R221
100
R220
10
100
Q28
CP4
CF20
DRA9123Y0
R161 R160
EM9745P
4.7K R170 100
MC1
12K
NJM13403V
C273 C270
C271 IC 6 CP3
3
0.047 0.047 0.047
CF20
* Q41 1
2
10K
R163
2SK3019
Q34
C275 0.022
J2
R224 2SK3019
CP2
C272 Q35 C274 C276 IC6
13
470
0.047 0.047 0.047
CF20 12
HSJ1122-010010 NJM13403V
BIAS
+5V
R237
HSJ1456-010320
Q29
C310
0. 1
RB876W DRC9144T0
47K
0. 1
R225
C160
R110
100
D26
J3
*J5
1
2
R238
100k
*S4
2 C1 1
A1
3
B1 4
J1 5 C2
1 A2
6
2 B2 7
8 C3
A3
9
B3
BM02B-ASRS-TF
C323
R229
10 0.047
100
C326
F1 IC12
CP5 R226
1 NC 10
1 2 VCC
POUT
2 VCC 9
PWGND
ERBRE3R00V 3 NC 8
R227 R228 PREGND C324
4 VIN 7
F081165S-5 PHASE
5 RIPPLE 6 47P
10K 1k NF
0.047
10 C325
Q30 TA7368PL-R10
2SA2048TL
IMSA-9110B-02 R230
10 MSVA
LDAN222
CP6 R234
150K
D27
R236 D29
Q31
330K
DMC506010R L1SS400
CONNECT
UNIT
Q17
R98
2SC4116
MP3 2775
Q18
R89 C127 L26 C126
10K 47P 68N
2SK880
L42
L28
3.3U
3.3U
L39
R95
33N
1k
220P L25
R97
C124 82N
270
L43
L27
3.3U
3.3U
10P L38
C207
68N
L32
33N 150K C150
R109 1
R5V
R39
47
C166
IF IC *X1
IC 1
3P 1 OSCIN
FI 2 16
MIXIN
LTM450FW 2 OSCOUT 15 C61
GND
100P
2 1 0. 1 3 MIXOUT 14
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
QUAD 2SC5107
8 FILIN 9
C169 AFOUT
IF AMP
R44
2SC4116 TA31136FNG
0. 1
R45 R43
C69
100P 100K 470 C188
0.001
C64
0.01
Q26
DRC9144E
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
82K 39K
NJM12902V
0.022
PTTI SIGNAL
C257
IC 7 NJM12902V
R157
12
CDEC NJM12902V 0. 1
PTT 14
2.2K R154 R153 R152
13 IC 7
10
R156 22K 22K
22K
8
9
4.7K
DISC
C260
470P
DET
DET
+5V
IC10
R171
1 I/O 1 14
VDD
2 O/I1 13
150K CONT1
3 O/I2 12
CONT4
4 I/O2 11
I /O4
RMUT 5 CONT2 10
O/I4
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
14 9 IC6
8
10
NJM13403V
BIAS
MMUT
MCOT
MCIN
C284
5.6K
0. 1
BEEP R191 R194
CENC0 S5V
BEEPO
180K 22K
R192
CENC1
IC5
CLO 13
56K R200
CLI 14
R193 R196 R197 R198
12
CENC2
4.7K
22K 47K 47K 47K
NJM12902V
Q27
DUSE
DRC9144E
CBI0
CBI3
CBI2
R206
SENC0
CBI1
220K
R207
SENC1
100K
R208
SENC2
2 IC 5
6
47K
1 7
R209 R211 R212 R213 R214 R215
SENC3 3 5
IC5
68K
22K 68K 68K 68K 68K
NJM12902V
NJM12902V
AFONO
AFON
8
VCC
T5V
VCO5
ACZ1005Y
RX VCO
3.9k 1.8K
R85 R79
Q14
33P
R81
0
2SC4226
C102
560
7P
R87
Q12
Q11
C100
TX VCO 2SC5107
3.9k 1.8K
2SC5107 Q10 10P D1 4
R84 R83 2SC5107 DA2S00100L
Q15
C123 4. 7
5 1
68P R82 DRC9144E
Q13 2
Q16
2SC4226 R88
4 3
560 C183
DMC561040
10P
C182
0.001
R5V
R309
L12 12P 10
68N
150K C49 R28
3SK293
C37
FI 1
0.01
FL-335 MI X
R3 3
2 1
Q2
C41 HVC350B C40 HVC350B
150
3.5P
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
NJM13403V IC14
C285 R181 R256
5 CD 1 RES
OUT 2
0. 1 47K VDD 3
4 NC TEMP
VSS
BD5242G
C348
0. 1
R252
10
CR-764
X3
C344 R255
BIAS
15P 12K
R254 CSFT
12K
MAIN UNIT
EXCCL3225U
L20 ACZ1005Y
5.8N
L5 L4 C7
L1 6 C10
8.6N 45.3N 0.001
C12 0.001
Q8
C92 C86
RD01MUS1 Q7
47P
C9 3 100P 100P
Q9
2SC5110
RD07MVS2
27P
R2
4.7K
R122 2SK1829
AGC
Q1
18K R124
C186
470K
0. 1
R9
0.001
C19 L7 L6
HVC375B C2 2 HVC375B C25
100
C29 1.5P 6P 39N 45.3N
D4 TA75S01F
D8
R1 4
10K
VCC
R258
OPV1
OPV2
DAST [OPV3]
R280
10K
OPT3
100k OPT2
OPT1
CPU5
SIGO
NMI CP14
Q33
DRA9144E
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
DMC564060
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 C6 L3 L2 L1 27.2N
45.3N
1SV307 0.001 C175 C2
C4
1.5P 10 P
5P
T5V
C7 9
0.1
R8
Q6
DRA9144E
220K
IC2
APC
5 R5
3
4
10K
1
2
*J4
SCK
15 16 SI
14 17 SO
13 18 CIRQ
12 19 CCS
11 20 CP10
10 21 DISC
9 22
DE T
8 23
7 24 BEEPO
6 25 CP11 AFONO
5 26
4 27 VCC
3 28 CP12 +5V
2 29
1 30
* Q42
DS 1
YG
R287
330
R288
HR
1.5K
CL-165HR
*; Refer to "PARTS LIST."