![background image](http://html1.mh-extra.com/html/icom/ic-f24-s/ic-f24-s_service-manual-addendum_4218775030.webp)
Feb. 2009
*; Refer to “PARTS LIST.”
11
SECTION
10.
VOLTAGE
DIAGRAM
R16
100
C118
0.5P
*R3
C53
0.01
C139
0.
1
R75
220K
R107
56
R3
5
10
0
R116
680K
Q13
2SC4226
C116
0.01
C61
100P
C163
4P
R89
10K
C51
0.001
R97
1K
C302
10P
R115
1.2K
C60
0.001
Q2
3SK293
C58
0.001
R43
47
R68
10K
C107
0.001
C19
0.001
C28
0.001
C208
7P
C106
47P
R34
220K
C48
22P
D1
8
MA36
8
L29
1.8U
L25
5.8N
C144
47P
C119
0.001
Q14
2SC4226
L35
0.22U
C66
0.001
R7
1
68K
*R5
C37
0.001
R11
100K
C164
7P
C140
0.
1
R36
3.3K
C109
0.001
*C44
L33
0.82U
C165
0.01
C69
470P
C120
470P
R92
120K
R83
6.8K
C80
0.0047
C108
0.01
C73
0.001
R6
100K
C209
0.001
R45
100K
L26
0.30-0.9-4TR 5PER
C145
47P
R9
270
*R96
C129
0.5P
C34
47P
C143
0.001
R38
100K
R69
4.7K
C303
0.001
C162
56P
C103
2P
Q4
2SC4215
C27
0.001
Q17
2SC4116
C77
0.001
R2
1
220K
C155
47P
C152
47
P
C132
0.001
X1
CDBKB450KCAY24
C65
0.001
Q10
2SC5107
C67
0.001
R100
4.7K
C111
47P
C137
0.01
C166
3P
C33
0.001
C206
7P
C151
0.
1
C130
0.047
R7
8
100K
R7
120K
R4
10K
C75
4.7 MSVA
R3
2
ERJ2GE-JPW
R70
10
R7
6
100
*L9
C56
C55
4P
22P
R13
100K
D17
HVC350B
R82
4.7
R33
150
Q12
2SC5107
R85
6.8K
R48
470
D1
6
HVC350B
C50
0.001
R22
10K
C54
0.001
C112
0.001
C31
0.001
R98
2.2K
R44
100K
C99
0.001
Q19
2SC4116
R19
82K
R95
1K
D1
0
HVC350B
R123
1.8K
C76
0.01
R15
47K
R23
220K
R84
6.8K
D4
HVC350 B
C92
12P
D24
MA2S077GO
*R8
C117
470P
C71
0.
1
R24
10K
C188
0.001
Q18
2SK880
C32
0.001
C141
0.001
R67
100
R101
470
C113
0.3P
R31
100
C333
47P
R14
10K
R40
150
C78
0.001
R73
100
C154
47P
C205
5P
R79
6.8K
R109
100K
C43
0.001
Q11
2SC5107
C110
470P
D9
HVC350B
C100
10P
C161
10P
R46
470
C105
0.001
D3
HVC350B
C102
5P
*C14
R50
100
C104
0.001
C146
0.47 SVA
R39
47
C153
47P
C70
470P
C42
0.001
C36
0.001
C59
0.001
C63
47P
C57
0.001
R93
1K
C138
0.001
C72
47P
Q9
2SC5107
R65
100
*R108
R1
7
47
6P
C304
6P
C305
L38
27N
R124
470K
R125
220K
D25
MA2S077GO
*C89
R87
220K
C17
68P
C149
0.001
R12
10
M62363FP
IC8
1 VIN1
2 VOUT1
3 VOUT2
4 VIN2
5 VDD
6 LD
7 CLK
8 DI
9 VIN3
10 VOUT3
11 VOUT4
12 VIN4
13
VIN5
14
VOUT5
15
VOUT6
16
VIN6
17
DO
18
VDAREF
19
RESET
20
GND
21
VIN7
22
VOUT7
23
VOUT8
24
VIN8
0.
1
C241
470
R142
82K
R51
0.001
C6
0.82U
L15
220
R52
0.001
C170
0.001
C7
2.8N
L4
2.7K
R1
RD07MVS2
Q7
RD01MUS1
Q8
0.001
C82
0.01
C8
1
4.7K
R55
33K
R54
47P
C84
4.7K
R59
*R58
ANT UNIT
ANT CONNECTOR
1K R2
0.001
C74
47P
C171
0.1
C35
10K
R18
330K
R104
470K
R105
0.
1
C158
0.001
C213
4.7
C211
TC75S51F
IC2 1
2
3
4
5
R77
10K
1K
R10
470P
C94
2SK1829
Q1
M B15A02PFV1
IC4
1
OSCIN 2
OSCOUT 3
VP 4
VCC 5
DO 6
GND 7
LD 8
FIN
9 CLOCK
10 DATA
11 LE
12 FC
13 NC
14 FOUT
15 P
16 B
TA31136FNG
IC1
1 OSCIN
2 OSCOUT
3 MIXOUT
4 VCC
5 IFIN
6 DEC
7 FILOUT
8 FILIN
9
AFOUT
10
QUAD
11
IFOUT
12
RSSI
13
N-DET
14
N-REC
15
GND
16
MIXIN
MA2S7280G
D6
0.82U
L4
0
0.82U
L23
100K
R111
0.001
C203
HVC350B
D2
2
R106
10K C157
10P
C159
0.001
D8
HVC350B
D7
HVC350B
C167
0.
1
C243
0.01
4.7K
R117
4.7K
R118
0.001
C156
7P
C20
*C21
*C23
8P
C25
7P
C30
*C39
0.3P
C40
*C45
FL-335
FI1
*L7
*L11
CP1
CP06S
ACZ1005Y
EP
1
CR-783
X2
1 VCON
2 GND
3
OUT
4
VCC
R86
10
C135
0.001
C136
0.
1
150K
R114
C202
0.
1
R113
390K
1.8U
L42
1.8U
L43
1.8U
L28
1.8U
L27
*L8
C147
1 SVA
13.6N
L45
1SV307
D2
13.6N
L1
10.3N
L2
2.8N
L3
*C98
R66
15K
R61
47
0.001
C176
D14
MA2S077GO
D15
MA2S077GO
47K
R103
D5
MA2S077G0
MP
1
2681
470K
R90
LTM450FW
FI2
1
2
3
4
5
0.001
C18
C173
0.001
C168 0.1
C169
0.1
C46
0.001
HVC350B
D21
*L19
150K
R94
*L5
47P
C178
18.3N
L17
Q5
2SC335 6
*R53
47P
C180
2.7K
R296
1K R297
*C86
*C121
*C114
*C115
*C126
*C127
9P
*C124
*C134
18P
*C133
*R88
*R80
0.001
C179
15K
R143
ACZ1005Y
EP3
NFM60R20T152
FI
3
1 2
3
*C16
*C177
*C83
*C182
*C93
*L20
*C123
*C122
0.
1
C254
820P
C253
180K
R150
BM02B-ASRS-TF
J1
1
2
3
4
68K
R213
0.022
C251
C256
0.039
10
R252
4.7K
R136
1.5K
R151
0.047
C255
0.
1
C224
0.
1
C222
0.01
C235
10 EEE-S
C228
12K
R251
100K
R132
0.0027
C295
12K
R255
39K
R147
56K
R192
0.001
C314
HSJ1456-010320
J3
0.
1
C341
10
R230
82K
R148
2SA1577
Q22
3.3K
R233
47P
C324
0.001
C311
22K
R209
47K
R196
10 EEE-S
C317
180P
C282
10 EEE-S
C264
100K
R235
ERBFE3R00U
F1
1
2
47K
R181
4.7K
R138
0.047
C323
220K
R206
EM9745P
MC1
0.047
C274
0.047
C272
47P
C313
0.001
C306
22K
R193
AXN330C038
J4
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
C260 470P
0.47
C283
470
R221
0.1
C310
1K
R231
0.047
C276
100K
R146
12K
R254
0.01
C233
47K
R166
100
R225
0.0082
C298
390K
R149
470P
C320
0.001
C238
0.
1
C319
0.001
C234
68K
R215
47K
R198
R155
100K
HSJ1122-010010
J2
NJM2870
IC
9
1
CTRL
2
GND
3
NB
4
VOUT
5
VI
N
0.
1
C346
100K
R145
2SA1577
Q21
10K
R133
68K
R214
R152
22K
470
R224
0.01
C227
10 MSVA
C325
12P
C342
0.001
C315
0.001
C229
0.
1
C266
TA7368FG
IC12
1 NC
2 VCC
3 NC
4 VIN
5 RIPPLE
6
NF
7
PHASE
8
PREGND
9
P WGND
10
POUT
820P
C252
33K
R177
SW-167
S3
SW-167
S2
MA2S077G0
D28
0.
1
C318
180K
R191
0.01
C231
C257
0.1
CR-764
X3
XP6501
Q24
1
2
3
4
5
6
47P
C312
0.047
C322
220K
R175
180P
C297
0.001
C308
3.9K
R165
12K
R210
0.0056
C296
0.
1
C316
47K
R208
47K
R197
R153
22K
10
R229
XP6501
Q31
1
2
3
4
5
6
ERTJ0EP473J
R131
4.7 MSVA
C226
0.001
C288
0.
1
C221
4.7K
R200
22 EEE-S
C237
R154
22K
820P
C293
0.
1
C223
10K
R137
47K
R201
HR
YG
CL-165HR
DS1
68K
R212
470
R168
100K
R174
0.1
C285
68P
C299
3.3K
R232
68K
R211
10K
R135
R171
150K
2SB1132
Q23
0.1
C244
0.001
C265
R156
470K
6P
C343
0.001
C321
0.022
C275
0.001
C286
1M
R180
0.1
C277
0.001
C225
CD4066BPWR
IC10
1 I/O1
2 O/I1
3 O/I2
4 I/O2
5 CONT2
6 CONT3
7 VSS
8
I/O3
9
O/I3
10
O/I4
11
I/O4
12
CONT4
13
CONT1
14
VDD
0.001
C236
100 EEE-FC
C326
1K
R261
0.001
C309
0.1
C284
1K
R228
15P
C344
1K
R265
0.001
C307
0.
1
C230
100K
R207
R172
270K
10K
R227
R37
2.7K
0.01
C64
0.
1
C345
10K
R237
1.5K
R288
4.7 EEE-S
C91
0.01
C347
0.1
C348
0.
1
C349
10K
R263
47K
R264
10K
R256
1K
R259
10K
R280
100
R284
100K
R291
100K
R292
DAN222
D27
22K
R194
10K
R195
0.015
C291
0.
1
C292
82K
R186
*J5
1
2
3
4
100
R220
100
R160
CP5
CP06S
100K
R277
100K
R276
1K
R257
100K
R258
BR24L16FV
IC15
1
A0 2
A1 3
A2 4
VSS
5 SDA
6 SCL
7 WP
8 VCC
100K
R262
UNR9113J
Q33
100K
R260
100K
R278
100K
R275
1M
R271
1M
R272
1M
R273
68K
R274
47K
R295
0.
1
C339
0.001
C350
18K
R293
27K
R294
2775
MP3
1 2 3 4
1
C150
Q26
UNR9213G0
UNR9113G0
Q25
UNR911HG0
Q28
RB876W
D26
1
C259
UNR9213G0
Q27
Q16
UNR9213G0
NJM12902V
IC5
2
3
1
NJM12902V
IC5
9
10
8
CF20
CP13
68
R240
0.
1
C340
L21
33N
L30
33N
L41
33N
L22
22N
L32
18N
0.5P
C186
0.5P
C185
100K
R238
UNR9210G0
Q29
NJM12902V
IC5
13
12
14
CF20
CP3
CF20
CP4
CF20
CP2
BD5242G
IC14
1
OUT 2
VDD 3
VSS
4 NC
5 CD
2SA2048TL
Q30
10 MSVA
C148
XP1214
Q15
1
2
3
4
5
NJM12902V
IC5
6
5
7
0.
1
C242
470
R141
RB886G
D3
0
RB886G
D1
0.047
C271
12K
R170
3.9K
R164
0.047
C270
12K
R159
0.047
C273
10K
R163
2SK3019
Q34
4.7K
R161
5.6K
R167
10K
R162
UNR9113J
Q6
NJM13403V
IC6
2
3
1
NJM13403V
IC6
13
12
14
NJM13403V
IC6
9
10
8
NJM13403V
IC6
6
5
7
*C11
*C8
*C5
2.5P
C4
*C2
*C3
*C1
*C175
0.22
C79
15K
R266
CF20
CP15
1
C335
R110
47K
0.1
C160
0.001
C142
220P
C68
1SS400
D29
150K
R234
330K
R236
2SK3019
Q35
0.1
C289
330
R287
33K
R223
82K
R222
10K
R144
330P
C269
0.
1
C261
0.0068
C258
R157
2.2K
150K
R169
120K
R173
0.0047
C280
100P
C278
0.0039
C281
0
R301
R6
2
22K
47P
C97
*C96
*R57
0.001
C88
47P
C183
0.
1
C290
NJM12904V
IC7
2
3
1
NJM12904V
IC7
6
5
7
1K
R179
1K
R187
*S4
1
A1
2 C1
3
B1 4
A2
5 C2
6
B2 7
A3
8 C3
9
B3
*R241
*R242
330
R190
270P
C300
220
R302
4.
7
C279
CF20
CP14
0.001
C354
XP4216
Q32
1
2
3
4
5
6
0.0018
C355
*C357
0
R5
6
150K
R176
4.7K
R303
*C13
*D31
TP76N00N
R226
100K
R182
120K
R185
10 MSVA
C287
120
R178
6.8K
R183
5.6K
R184
2.2K
R134
470P
C232
4.7
C356
100K
R304
47P
C196
0.001
C197
82K
R28
3SK324
Q3
R2
9
100
120K
R27
SKHLLFA010
S1
*L12 *C49
*C41
*C38
*C24
*C22
*R20
*R26
*R25
12K
HD6433687C73FPV
IC13
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
2
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
NJM12902V
IC5
V+
4
GND
11
NJM12904V
IC7
V+
8
GND
4
NJM13403V
IC6
V+
4
GND
11
R30
1K
10P
C52
L13
0.82U
68P
C62
PLST
T2
RSSI
T2
DAST
SCK
SO
T1
T2
BAL
REF
BAL
LVIN
LV
A
SCK
SO
T1
TMUT
UNLK
SENC1
SENC0
CENC2
CENC1
CENC0
CLO
MMUT
SENC3
S5C
CDEC
R5C
T5C
PTT
DUSE
SDEC
SENC2
NW
C
ESDA
TEMP
CDEC
CCS CIRQ
OPV2 OPV1
CLO
NOIS
SE
N
C
1
SE
N
C
0
BUSY AFON
SE
N
C
2
SENC3
DUSE
CBI
0
CBI
1
CENC0 CENC1 CENC2
SI
OPT2
OPT1
OPT3
CBI
3
SCK SO
BEEP
AFONO
BEEPO
DET
DISC
CCS
SO
SCK
SI
CIRQ
SIGO
MCIN
MCOT
BEEP
NMI
RES
BUSY
CBI
2
PTT
PTTI
DISC
REF
PTT
RMUT
MMUT
TMUT
UNLK
PLST
NWC
DAST
S5C
T5C
R5C
NMI
RLED
TLED
OPV2
OPV1
KEY
LVA
MOD
BATV
ESCL
CLI
RSSI
NOIS
SDEC
LVIN RSSI KEY
PTTI
OPT3
OPT2
OPT1
RMUT
CL
I
BEEPO
RES
MOD
TEMP
CSFT
MMUT
SIGO
PLSW
DET
AFON
AFONO
DAST
DAST
MCIN
MCOT
RMUT
CBI2
CBI0
CBI1
CBI3
RLED
TLED
VCC
VCC
VCC
VCC
VCC
VCC
T5V
+5V
+5V
+5V
+5V
+5V
R5V
LPF
APC
AGC
RF AM P
MIX
IF AMP
IF IC
RX VCO
PLL
*3 MULTI
TX VCO
VCC
T5V
S5V
+5V
T5V
VCO5
R5V
VCC
T5V
R5V
+5V
S5V
[OPV3]
[PTTO]
VCC
+5V
T5V
T5V
VCC
CPU5
R5V
T5V
+5V
S5V
MIC
DISC
PTT
LV
MAIN/MAIN-B UNIT
TX
TX
Summary of Contents for IC-F24/S
Page 1: ...SERVICE MANUAL ADDENDUM CONTENTS PARTS LIST 1 BOARD LAYOUTS 15 VOLTAGE DIAGRAM 17 Mar 2009...
Page 19: ...Feb 2009 SERVICE MANUAL ADDENDUM CONTENTS PARTS LIST 1 VOLTAGE DIAGRAM 11 Feb 2009...
Page 45: ...S 14116IZ C1 w Mar 2008 UHF TRANSCEIVER...
Page 81: ...9 1 SECTION 9 BLOCK DIAGRAM 3SK324 MAIN MAIN B UNIT...
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