Icom IC-F24/S Service Manual Addendum page 30

Feb. 2009
SECTION 10. VOLTAGE DIAGRAM
VCC
T5V
S5V
+5V
EP3
ACZ1005Y
C211
BAL
4. 7
R103 X2
R104
REF 1 VCON 4
VCC
330K 47K
2 GND 3
OUT
CR-783
LVIN
L29
R97
1.8U
PLL
1K
D24 R93
UNLK
R117 1K
MA2S077GO
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
2SC4116
*3 MULTI
T5V
R5V
VCC
+5V
2SB1132
Q23
S5V
2SA1577
2SA1577
Q21 Q22
22 EEE-S
Q24
XP6501
Q25
UNR9113G0
R221
470
Q28
PTT
CP4
CF20
UNR911HG0 R220
100
DISC
R161
C271 CP3
0.047 4.7K R170 12K
CF20
EM9745P
C270
MC1 NJM13403V
0.047 R160
C273
DISC
IC 6
3 Q34
0.047 100
1
2 2SK3019
R163
C275
10K
0.022 R166
47K
MI C
Q35
CP2 C272 C274 C276
13
0.047 0.047 0.047
CF20
12
NJM13403V
J2
R224
2SK3019
470
R110 C160
+5V
HSJ1122-010010
47K 0. 1
C310
0. 1
R237
10K
Q29
D26
UNR9210G0
J3
R225
RB876W
100
HSJ1456-010320
*J5
1
2
R238
*S4 100K
2 C1 1
A1
3
B1 4
5 C2
1 A2
6
2
B2 7
8 C3
A3
9
J1 B3
BM02B-ASRS-TF
C326 R229 C323
100 EEE-FC 10
F1 IC12
TP76N00N
CP5
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 R230 C325
TA7368FG
2SA2048TL
10 EEE-S
10
10 MSVA
Q30
D27
AFONO
R234
Q31
150K
XP6501
DAN222
R236
D29
330K 1SS400
VCC
T5V
S5V
VCO5
Q17
2SC4116 R85
LV RX VCO
6.8K
*C127
2SK880 L28 *C126
Q18
R89 1.8U 9P
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
FI2 1 OSCI N 16
MIXIN
LTM450FW 2 OSCOUT 15 C61
GND 100P
2 1 3 MIXOUT 14
N-REC C58
0. 1 4 VCC Q4
13
C168 N-DET C62
5 4 3 5 IFIN 12
RSSI
0.001
6 DEC 11
IFOUT 68P
R44 7 FILOUT 10
C163 0. 1 2SC4215
QUAD
Q19 8 FILIN 9
AFOUT
100K IF AMP
4P C169
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
1 NJM12904V
R153
2.2K R154 R152
PTT 2
5
R156 22K 22K 22K
7
PTTI 470K IC 7 6
C260 470P
DET
R171
RMUT +5V
IC10
R169 150K
1 I/O1 14
VDD
2 O /I1 13
150K CONT1
3 O /I2 12
C277 R168 100P R172 CONT4
IC 6 4 I/O2 11
I /O4
5 CONT2 10
0. 1 470 C278 270K O/I4
14 6 CONT3 9
R183
IC6 O/I3
9 7 VSS 8
I /O3
8
6.8K
10 CD4066BPWR
NJM13403V
MMUT
MCOT RMUT
MCIN
BEEPO
BEEP
C284
0. 1
R191 R194
CENC0 TX
180K 22K
R192
CLO CENC1 IC 5
13
56K R200
CLI 14
R193 R196 R197 R198
CENC2 12
4.7K
22K 47K 47K 47K
NJM12902V
Q27
DUS E
UNR9213G0
R206
SENC0
CBI 0
220K
CBI 3
R207
CBI 2 SENC1
CBI 1
100K
R208 NJM12902V
SENC2
IC 5
2 IC 5
47K 6
1 7
R209 R211 R212 R213 R214 R215
SENC3 3 5
NJM12902V
22K 68K 68K
68K 68K 68K
TX
0.047
AFON
11
ACZ1005Y
R79
6.8K
Q14
2SC4226 C118
0.5P C102
*R80 5P
Q12
Q11 C100 D14 *C98
2SC510 7
R83 2SC5107
10P
MA2S077GO
6.8K C113
R82
Q10
0.3P
4. 7 2SC5107
Q13 Q15
2SC4226 5 1
2
UNR9213G0
*R88 Q16
4 3
C302
XP1214
2775
10P
C303
0.001
C35
0. 1
R27 *L12 *C49 L38
120K 27N
FI1
FL-335 MI X RF AM P
R33
Q2
*C41 C40
3SK293
150
0.3P
HVC350B
HVC350B 0.001 47P
R22
10K
UNR9213G0
+5V
IC8
1 24
VIN1 VIN8
2 23
VOUT1 VOUT8
3 22
VOUT2 VOUT7
4 21
VIN2 VIN7
5 20
VDD GND
6 LD 19
RESET
7 18
CLK VDAREF
8 17
DI DO
9 VIN3 16
VIN6
10 VOUT3 15
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
C285 R181
IC14
0. 1 47K
5 CD 1
OUT
2
VDD
4 NC 3
VSS
BD5242G
CR-764 R255
R252 X3
C344
10 15P 12K
R254
CSFT
12K
VCC
T5V
3
R301 L3
L4
2.8N 0 2.8N
0.00 1
*C93 C92 Q7
*C86
RD07MVS2
12P
Q8
Q9 Q5 RD01MUS1
2SC5107
2SC335 6
AGC
2SK1829
R124
Q1
R18
470K
10K
0.001 R9
*C23 C20 C19
C30 *L5
270
TC75S51F
7P 7P
R13 R11
MA2S7280G
100K 100K
HVC350B HVC350B
HVC350 B
HVC350 B
VCC
R258
100K OPV1
OPV2
DAST DAST [OPV3]
R266
OPT3
OPT2
15K
OPT1
CPU5
SIGO
Q33 CP14
NMI CF20
BUSY
RES CP15 CF20
MCIN
UNR9113J
MCOT R284
PTT [PTTO] 100
PLSW
PTTI
NMI
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 3
12 37 DAS T TLED
13 36 2
1K
14 35 NWC
15 34 PLST 1
16 33 UNLK
ESCL
ESDA
IC15
8 1
VCC A0 2
7
WP A1 3
6
KEY
SCL A2 4
5
SD A VSS
BR24L16FV
MAIN/MAIN-B UNIT
T5V
ANT UNIT
LPF
C4 *C2
2.5P
C6
C7 D2 L2 L1 L4 5
0.001 10.3N 13.6N 13.6N
1SV307 ANT CONNECTOR
T5V
APC
C79 0.22
*R 8
Q6
UNR9113J
5 *R5
3
4
IC2
R6
1
2 100K
VCC
+5V
AXN330C038
SCK
15 16 SI
14 17 SO
13 18
R280 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
3 28
+5V
2 29
1
30
J4
VCC
R287
DS1
4 YG
330
5
6 HR
R288
XP4216 Q32 1.5K CL-165HR
C35 4
0.001
+5V
*; Refer to "PARTS LIST."