Voltage Diagram - Icom IC-F24/S Service Manual Addendum

SECTION 10.

VOLTAGE DIAGRAM

VCC
T5V
S5V
+5V
EP3
LV
ACZ1005Y
C211
BAL
4. 7 X2
R103
R104
REF 1 VCON 4
VCC
330K 47K
2 GND 3
OUT
CR-783
LVIN
L29
R97
1.8U
PLL 1K
R93
D24
UNLK
MA2S111
R117 1K
SCK
M B15A02PFV1
4.7K C209
R118 9 CLOCK FIN
SO LD 8
10 DATA 0.001
PLST GND 7
11 LE
4.7K DO 6
12 FC
VCC 5
13 NC
VP 4
14 FOUT
OSCOUT 3
15 P
OSCIN 2
16 B
1
IC4
R5V
C161
10P
Q19
2SC4116
*3 MULTI
T5V
R5V
VCC
+5V
2SB1132
Q23
S5V
2SA1577 2SA1577
Q21 Q22
22 EEE-S
Q24
XP6501
Q25
UNR9113J
R221
470
Q28 PTT
CP4
CF20
R220
UNR911HJ
PTTI
100
DISC
R161
C271 CP3
DET
0.047 4.7K
R170 12K
CF20
EM9745P
C270
MC1 NJM13403V
0.047 R160
C273
DISC
3 IC 6
0.047 Q34
100
1
2SK3019
2 RMUT
R163
C275
10K
R166
0.022
47K
MI C Q35 IC 6
C272 C274 C276
CP2 13
14
0.047 0.047 0.047
CF20
12
NJM13403V
J2
R224
MMUT
2SK3019 MCOT
470
MCIN
R110 C160
+5V BEEPO
HSJ1122-010010
47K 0. 1
C310
BEEP
0. 1
R237
Q29 10K
D26
UNR9210J
J3
CLO
R225
RB876W
100
HSJ1456-010320
*J5
1
2
R238
*S4 100K
2 C1 1
A1
3 CBI 0
B1 4
5 C2 CBI 3
1
A2
6 CBI 2
2 B2 7
8 C3 CBI 1
A3
9
B3
J1
BM02B-ASRS-TF
C326 R229
C323
0.047
10
100 EEE-FC
F1
IC12
CP5 TP76N00N
1 10
NC POUT
2 1 2 9
CP06S VCC P WGND
ERBFE3R00U 3 8
R227 R228
NC PREGND C324
4 7
VIN PHASE
5 6 47P
10K 1K RIPPLE NF
R226 C325
R230
TA7368FG
2SA2048TL
10 EEE-S
10
10 MSVA
Q30
D27
AFONO
R234
Q31
AFON
150K
XP6501
DAN222
R236 D29
330K 1SS400
VCC
T5V
S5V
VCO5
Q17
2SC4116
R85
RX VCO
6.8K
*C127
2SK880 L28 *C126
Q18
R89 1.8U
L42
10K
1.8U
R92
120K
R84
6.8K
TX VCO
R95
L27 *C124 *C123
1K 1.8U
L43
1.8U
R87
0.47 SVA
220K
C355
MP3
0.0018
L32 C205
18N 5P R111 R113
*R108
100K 390K
C142
0.001
R5V
R39
CDBKB450KCAY24
47
C166
IF IC X1
IC 1
3P
FI 2 1 OSCI N 16
MIXIN
C61
ALFYM450F=K 2 OSCOUT 15
GND
2 1 3 MIXOUT 14 100P
C58
N-REC
0. 1 4 VCC 13 Q4
C168 N-DET
5 4 3 5 IFIN C62
12
RSSI 0.001
6 DEC 11
I FOUT 68P
R44 7 FILOUT 10 2SC4215
C163 0. 1 QUAD
8 FILIN 9
AFOUT
IF AMP
C169 100K
4P
TA31136FNG
R43
C69 R45
470P 100K 47 C188
0.001
Q26
C64
0.01
T5V
R5V
VCC
+5V
ERTJ0EP473J
TEMP
10K 0. 1
R144
C244
C253
820P
IC 5
9
R151
SDEC 8
R148 R147
10
1.5K C251
NJM12902V 82K 39K
0.022
NJM12904V
IC 7
C257
R157
CDEC 3 0. 1
NJM12904V
1
2.2K R153 R152
R154
PTT 2
5
R156
22K 22K 22K
7
470K IC 7 6
C260 470P
R171
+5V
IC10
R169 150K
1 I/O1 14
VDD
2 O /I1 13
150K CONT1
3 O /I2 12
R168 R172 CONT4
C277 100P
4 I/O2 11
I /O4
5 CONT2 10
C278
0. 1 470 270K O/I4
6 CONT3 9
R183 O/I3
IC6
9 7 VSS 8
I /O3
8
6.8K
10 CD4066BPWR
NJM13403V
RMUT
C284
R191 R194 0. 1
CENC0
180K
22K
R192
CENC1 IC 5
13
56K R200
CLI 14
R193 R196 R197 R198
CENC2 12
4.7K
22K 47K 47K 47K
NJM12902V
Q27
DUS E
UNR9213J
R206
SENC0
220K
R207
SENC1
100K
R208 NJM12902V
SENC2
IC 5 IC 5
2 6
47K
1 7
R209 R211 R212 R213 R214 R215
SENC3 3 5
NJM12902V
22K 68K 68K
68K 68K 68K
10 - 1
ACZ1005Y
R79
6.8K
Q14
2SC4226 C118
0.5P C102
*R80 5P
Q12 Q11 C100 D14 *C98
2SC510 7
R83 2SC5107
10P
MA2S077
6.8K C113
R82
Q10
0.3P
4. 7 2SC5107
Q13 Q15
2SC4226
5 1
2
UNR9213J
*R88 Q16
4 3
C302
XP1214
2775
10P
C303
0.001
R27
*L12 *C49 L38
27N
120K
FI 1
FL-335 MI X RF AM P
R33
Q2
*C41 C40 3SK293
150
0.3P
HVC350B
HVC350B 0.001 47P
R22
10K
UNR9213J
+5V
IC 8
1 24
VIN1 VIN8
2 23
VOUT1 VOUT8
3 22
VOUT2 VOUT7
21
4
VIN2 VIN7
5 VDD 20
GND
6 19
LD RESET
7 CLK 18
VDAREF
8 17
DI DO
9 VIN3 16
VIN6
10 15
VOUT3 VOUT6
11 14
R303 VOUT4 VOUT5
C356
12 13
VIN4 VIN5
4. 7
4.7K
M62363FP
R186 C289
82K 0. 1
R173 R176
120K 150K
R174
R177 IC 6
6
100K R178
7
R175 33K
5
120
220K
NJM13403V
RES
R181
C285
0. 1 IC14
47K
5 CD 1
OUT
2
VDD
4 NC 3
VSS
BD5242G
CR-764
R252 X3
C344 R255
12K
10 15P
R254
12K
VCC
T5V
3
R301 L3
L4
2.8N 0 2.8N
*C93 C92 Q7
*C86
RD07MVS2
12P
Q8
Q9 RD01MUS1
Q5
2SC5107
2SC335 6
C35
AGC
0. 1
2SK1829
R124
Q1
R18
470K
10K
0.001 R9
C20
C30 *C23 C19 *L5
270
7P 7P
R13 R11
100K 100K
M A2S728
HVC350B
HVC350B
HVC350 B HVC350 B
VCC
R258
100K
OPV1
OPV2
DAST DAST [OPV3]
R266
OPT3
OPT2
15K
OPT1
CPU5
SIGO
Q33
NMI CP14 CF20
BUSY
RES CP15 CF20
MCIN
UNR9113J
MCOT
R284
PTT [PTTO]
PLSW
NMI PTTI
TEMP 1 48 SI
2
2 47 PTT
3 46 OPT2
4 45 OPT1
C348
5 44
OPT3
6 43 TLED
0. 1
7 42 RLE D
8 41 R261 RLED
9 40 R5C
10 39 T5C
11 38 S5C
12 37 DAS T TLED
13 36
1K
14 35 NWC
15 34 PLST
16 33
UNLK
CSFT
ESCL
ESDA
IC15
8 1
VCC A0 2
7
WP A1 3
6 KEY
SCL A2 4
5
SD A VSS
BR24L16FV
T5V
ANT UNIT
LPF
C4 *C2
2.5P
C6
C7 D2 L2 L1 L45
0.001 10.3N 13.6N 13.6N
0.00 1 1SV307
ANT CONNECTOR
T5V
APC
C79 0.22
*R 8
Q6
UNR9113J
5
*R5
3
4
IC 2 R6
1
2 100K
TC75S51F
VCC
+5V
AXN330C038
SCK
15 16 SI
14 17 SO
R280 13 18 CIRQ
10K
12 19 CCS
11 20
10 21
DISC
9 22 DET
8 23
7 24 BEEP O
6 25 AFONO
5 26
4 27 VCC
100 3 28 +5V
2 29
1 30
J4
VCC
R287
DS1
3 4 YG
330
2 5
1 6 HR
R288
XP4216 Q32 1.5K CL-165HR
C35 4
0.001
+5V
MAIN/MAIN-B UNIT
*; Refer to "PARTS LIST."