Icom iC-F5012, Service Manual

Page: 34 / 37

11 - 2
• MAIN-A UNIT (1/2)
*: Refer to the PARTS LIST for the value and name of component.
TX 5.0V
RX 0V
TX 0V
RX 5.0V
TX 0V
RX 5.0V
TX 0.9V
RX 4.7V
460mVrms
Power ON 4.9V
Power OFF 0V
TX 0V
RX 8.1V
TX 8.2V
RX 0V
13.6V
3.3V
13.6V
8.1V
5.0V
MIC input level :40 mVrms
D
C288
0.1
R198 10K
R228 100K
R224
47
R205 10K
R156
4.7K
Q31
2SJ144
C292 47P
R226
100K
F
E
R223
1K
EP5
HF70BB9.5X10.4X4.9
J4
C362 0.001
R229 1M
R227 1M
EP4
HF70BB9.5X10.4X4.9
R204
4.7K
C375 0.001
C293 0.001
C273 0.001
C254 0.001
R199 10K
Q28
1 2 3
4 5 6
C270 0.001
R271
100
C
J1
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
C310 0.001
C203 0.1
C209 0.001
G
C210 0.001
C208 0.001
IC17
CD4094BPWR
1
STR
2
D
3
CLK
4
Q1
5
Q2
6
Q3
7
Q4
8
GND
9
QS
10
Q’S
11
Q8
12
Q7
13
Q6
14
Q5
15
OE
16
V+
C202 0.1
R142 EXB28V102J
C207 0.001
D43 DAP222
L10
MLF1608A
HV
T8V
R8V
8V
5V
CPU5V
REF
BA L
NW C
T1
T2
TMUT
TXC
RXC
MOD
F
SQIN
SCK
SO
TLVA
RLVA
PLST
UNLK
TEMP
LVIN
RSSI
NOIS
DISC
R186 100K
R184
33K
IC16
9
10
8
R185 120K
C175 0.001
IC16
6
5
7
R116
12K
R126 470
IC16
13
12
14
R125 100K
R114 12K
R121 47K
C183 0.1
C176 47P
C245
0.01
C169
0.047
R120
10K
R129
100
R124 4.7K
R119 5.6K
R118 12K
IC14
CD4066BPWR
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
C170 0.001
C181
0.1
C168
0.047
R322 100K
B
R285
100
C173
0.1
R215 470
C189 0.001
C188 0.1
IC18
AK2330
1
VIN7
2
VIN0
3
VOUT0
4
VOUT1
5
VIN1
6
RSTN
7
CSN
8
SCLK
9
SDATA
10
DVDD
11
VSS
12
AVDD
13
VREF
14
VIN2
15
VOUT2
16
VOUT3
17
VIN3
18
VIN4
19
VOUT4
20
VOUT5
21
VIN5
22
VIN6
23
VOUT6
24
VOUT7
25
C185 0.1
C187
0.1
C186
0.1
C190 0.01
C359
1
C179 0.1
R244 390K
C316
820P
C317 820P
R240 100K
C318 0.1
R245 180K
IC16
2
3
1
R242
39K
R241 100K
R243
82K
Q39
1
2
3
4
5
6
C349 0.1
R252
100K
C320 0.039
C322 0.0068
R256
10K
C321
0.1
R248
22K
IC16
NJM12902V
V+
4
GND
11
R255 10K
R249
22K
R247
22K
C325 0.022
C246 0.1
C250 0.1
IC15
TA75S01F
1
2
3
4
5
R192 220K
R191 220K
R195
1K
R193
470K
R194 2.2K
C244 0.47
Q35
DTC363EK
R287
10K
C252 0.1
IC8
LA4425A
1
2
3
4
5
R197
10K
Q25
2SD1664
C269 0.001
D23 DA221
R218 22K
C276 0.001
C275 0.001
R297 300K
R298 100K
C264 0.1
C436 0.001
J6
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
C294 0.001 C290 0.001
C437 0.001
C291 0.001
C311 0.001
A
R149 EXB28V102J
R146 1K
R148 EXB28V102J
R147 EXB28V102J
C226 47P
R150 EXB28V102J
C204 47P
C201 0.1
D42 DAP222
C284 47P
IC20
M62334FP
1
AO1
2
AO2
3
AO3
4
AO4
5
GND
6
SDA
7
SCL
8
VCC
K
I
CP28
R238 100K
R361
100K
R360
100K
R359
100K
R357 1K R356 1K
R358
1K
R261 1M R262 1M
R263 1M
R315 100K
R314 100K
R269 100K R270 100K
R145 1K R143 1K
R325 1K
R326 1K
R327 1K
R144 1K
R130 22K
R135
270K
R188
560
R187 10K
R363 10K
R362 100K
R381
0
C315
0.022
C280
0.01
R159 10K
J7
1
2
3 4
C267 0.001
R368
0
R370
0
C295
1
C289
1
R373
47K
R374 330K R375 330K
R372
47K
J
R377 330K
IC10
NJM2831F05
1
CTRL
2
GND
3
NC
4
VOUT
5
VIN
R378 100K
R323 10K
IC9
NJM7808DL1A
I O
G
R137 68K
C242 0.1
C361 0.1
R138
100K
R139
100K
R123 100K
R128 10K
C272 10
C382 0.001
R329 6.8K
R202 6.8K
R203 6.8K
W2
OPC-1195C
CP30
R355
0
R231 1K
C174
10
C266 10
C268 10
C271 10
C274 10
C283 10
R133
100K
C172
0.01
R313
1M
R122 8.2K
R371 39K
R232
470K
C255 470
C265 470
C256
470
C180 47
C182
0.01
C177 0.0082
C178 100P
C249
0.0022
S1
MINISMDC050F
R304
10K
C247
0.1
R253 47K
C184
150P
R230 100K
R225
0
Q26
2SA1577
Q27
2SB1132
Q23
2SJ506S-E
R200 47K
R201
4.7K
C481 0.001
C484 1
C259 0.001
C260 47P
C465 68P
C371 0.001
C431 220P
D22 DSA3A1
C258 470
C351 0.015
C253
1
R392 18K
R254 560
R251 2.2K
R250 10K
R183
220K
R117
120K
C378 0.0015
R127
390K
R384
1.8M
R391
560K
R196 100K
C251
0.022
Q24
LDTC144EE
Q29
LDTC114YE
Q30
LDTC144EE
Q33
LDTC144EE
Q37
LDTC144EE
Q36
LDTC144EE
D26
L1SS400
D29
L1SS400
C261 0.1
C262 0.1
C263 0.1
C388 0.1
D44 LDAN222
J2
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
D61
DA221
D60
DA221
D59
DA221
D58 DA221
C491 0.001
R134
47K
R336 5.6K
C167
0.056
C282 10
R345
100
R111 3.3K
R112 39K
R113 2.2K
SQ L
R115 1.8K
R330
4.7K
C379
0.015
BAL
R8V
T8V
F
SQIN
RXC
CPU5V
MOD
SO
8V
5V
TMUT
T1
T2
HV
NW C
SCK
REF
TXC
BEPO
RMUT
SO
AFONO
AFOUT
DISC
SCK
CCS
MMUT E
MMUTE
AF
O
EXST PLST
TEMP
RSSI
UNLK
SDEC
T
ONE
LVIN
CDEC
EXOE
OPV1
SI
NOIS
UNLK
PLST
DISC
RSSI
LVIN
TEMP
RLVA
TLVA
REM
DSDA
EAFO
MMUT
DISC
SIG
SQIN
BEEPO
REF
SO SCK
BEEP
DAST
MCGO
CDEC
RXC
IN
BUSY
SIGO
OPT1
OPT3
PTTI
OPT1 SO PTTO
EPTT
CCS
CIRQ
DAST
PWON
SCK SI
OPT3 OPT2
MCIN
AF
O
AFON
AFONO
EXST
SCK
RMUT
SO
RXC
NWC
EXOE
EAF
O
CIRQ
BUSY
DIM
AFOUT
VRAF
R8V
T8V
SDEC
BATV
OPT2
DAS T
OPV1
BEEPO
BAL
HORNO
MMUT
RMUTC
SQ
L
BATV
VRAF
DISC
TENC
MCOT
SCK DSDA
T1
T2
TLVA
RLVA
CPU5
DIM
HORNO
SIG
SIGO
F
MOD
5V
MCOT
PTTO PTTI
EXST
VCC
RXC
BEEP
RMUTC
TXC
DISC
TMUT
HV
TONE
BEEP
PGIO4 PGIO3
M
CIN
TENC
NOIS
PGIO2
8V
8V
8V
8V
8V
VREF VREF
VREF
AFON
PGIO2 PGIO3
5V
5V
5V 5V
5V
5V
5V
5V
PGIO4
EPTT
SQ L
CPU5V
CPU5V
VCC
VCC
AF AMP
UNLK
DIM
TONE
GND
SDEC
NOIS
SI
CCS
MIC
RSSI
AFO
SO
TEMP
EXOE
OPV1
CDEC
5V
8V
GND
PLST
TENC
SCK
BATV
CPU5
EXST
LVIN
DSDA
PGIO2
RX AF HPF
D/A
SPLATTER
RX 5-TONE SIGNAL
CTCSS/DTCS VCC
Ext.I/O 14(EPTT)
Ext.I/O 7 (AFO)
GND
GND
DISC
GND
GND
Ext.I/O 11 (HORN)
Ext.I/O 6 (DIM/IGSW)
(OPV3)
(OPV2)
OPT3
PTTO
EPTT
PWON
CIRQ
DAST
PGIO3
PGIO4
OPT1
OPT2
BEEP
PTTI
AF PRE AMP
MIC AMP
FILTER
FILTER
H:AFON L:MUTE
RMUTO
Ext.I/O 10(SERIAL)
Ext.I/O 4 (SERIAL)
FILTER