Icom IC-F6012, Service Manual

Page: 40 / 43

11 - 2
*: Refer to the PARTS LIST for the value and name of component.
• MAIN-A/MAIN-B UNIT (1/2)
Power ON 4.8V
Power OFF 0.0V
8.1V
13.2V
13.2V
3.3V
TX 0V
RX 8.0V
TX 0V
RX 4.4V
TX 8.2V
RX 0V
TX 0V
RX 5.0V
TX 0V
RX 4.7V
TX 0V
RX 5.0V
TX 5.0V
RX 0V
5.0V
8.1V
5.0V
4.3V
8.1V
5.0V 135mVrms
5.0V
5.0V
5.0V
R197
10K
NW C
C322 0.0068
R378 100K
C190 0.01
C201 0.1
C246 0.1
R381
0
R372
47K
R314 100K
C252 0.1
J7
1
2
3 4
R243
82K
C264 0.1
C210 0.001
R377 330K
R135
270K
R252
100K
R297 300K
J6
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
W2
OPC-1195C
D42 DAP222
TLVA
IC15
TA75S01F
1
2
3
4
5
R139
100K
C189 0.001
C169
0.047
R241 100K
R143 1K
R244 390K
EP5
HF70BB9.5X10.4X4.9
C208 0.001
R238 100K
IC16
9
10
8
R126
470
C295
1
C288
0.1
R224
47
C242 0.1
R116
12K
R202 6.8K
R360
100K
F
R271
100
C318 0.1
R123 100K
R227 1M
C175 0.001
R368
0
R242
39K
C250 0.1
R228 100K
C294 0.001
RLVA
R373
47K
R198 10K
CP28
R119 5.6K
R199 10K
C291 0.001
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
R144 1K
8V
J4
E
R186 100K
R147 EXB28V102J
C168
0.047
R184
33K
R240 100K
EP4
HF70BB9.5X10.4X4.9
T1
CP30
C254 0.001
C349 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
IC9
NJM7808DL1A
I O
G
SQIN
C269 0.001
C315
0.022
C202 0.1
R137 68K
C187
0.1
R269 100K
LVIN
R256
10K
R323 10K
C273 0.001
R255 10K
IC10
NJM2831F05
1
CTRL
2
GND
3
NC
4
VOUT
5
VIN
R188
560
C436 0.001
C311 0.001
R355
0
5V
R129
100
IC16
6
5
7
TXC
R191 220K
PLST
R226
100K
C259 0.001
D
T2
HV
R247
22K
SCK
C183 0.1
R325 1K
R120
10K
C
R298 100K
C282 0.1
R203 6.8K
C382 0.001
RSSI
R121 47K
C185 0.1
R183
220K
R370
0
R245 180K
C244 0.47
R263 1M
R192 220K
R363 10K
R185 120K
R374 330K
R146 1K
CPU5V
C207 0.001
R359
100K
R356 1K
RXC
R229 1M
UNLK
T8V
TMUT
R125 100K
R261 1M
C361 0.1
R128 10K
R249
22K
NOIS
IC8
LA4425A
1
2
3
4
5
C262 0.1
C275 0.001
R270 100K
Q31
2SJ144
C321
0.1
IC16
2
3
1
C292 47P
MOD
TEMP
Q25
2SD1664
J
R8V
C290 0.001
A
R124 4.7K
B
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
IC20
M62334FP
1
AO1
2
AO2
3
AO3
4
AO4
5
GND
6
SDA
7
SCL
8
VCC
R150 EXB28V102J
R195
1K
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+
R287
10K
R223
1K
C325 0.022
C186
0.1
R193
470K
R326 1K
R248
22K
R322 100K
C188 0.1
C176 47P
C320 0.039
K
R148 EXB28V102J
L10
MLF1608A
REF
G
R215 470
R315 100K
R362 100K
C179 0.1
R375 330K
R357 1K
R142 EXB28V102J
R358
1K
D23 DA221
R130 22K
C181
0.1
C209 0.001
C310 0.001
R262 1M
R114 12K
D22 DSA3A1
C316
820P
IC16
13
12
14
C245
0.01
DISC
C173
0.1
R138
100K
R204
4.7K
C362 0.001
Q35
DTC363EK
R145 1K
C267 0.001
R205 10K
C170 0.001
BA L
R159 10K
R329 6.8K
R361
100K
C270 0.001
C359
1
C280
0.01
R285
100
C284 47P
R149 EXB28V102J
R156
4.7K
C203 0.1
C289
1
D43 DAP222
R118 12K
C437 0.001
R187 10K
F
SO
C272 10
R194 2.2K
R327 1K
I
C293 0.001
IC16
NJM12902V
V+
4
GND
11
C317 820P
C276 0.001
S1
MINISMDC050F
C174
10
C266 10
C268 10
C271 10
C274 10
C283 10
R313
1M
R133
100K
C172
0.01
C226 470P C204 470P
C260 470P
R122 8.2K
R232
470K
C255 470
C258 470
C265 470
C256
470
C182
0.01
C177 0.0082
C178 100P
C249
0.0022
R304
10K
C247
0.1
C180 47
R253 47K
C184
150P
R371 39K
EP9
MMZ1005Y102CT
Q26
2SA1577
Q23
2SJ506S-E
R200 47K
R201
4.7K
Q27
2SB1132
R231 47K
C461
47P
C462
47P
C464
47P C465 47P
C493 1
C492
1
R392 18K
R254 560
R251 2.2K
R250 10K
C351 0.015
C253
1
R230 150K
R225
0
R117
120K
C378 0.0015
R127
390K
R384
1.8M
R391
560K
R134
39K
R196 100K
C251
0.022
R345
0
*C216
Q24
LDTC144EE
Q33
LDTC144EE
Q37
LDTC144EE
Q30
LDTC144EE
Q36
LDTC144EE
Q44
LDTC144EE
C261 0.1
C263 0.1
C415 0.1
D26
L1SS400
D29
L1SS400
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
D58 DA221
D59
DA221
D60
DA221
D61
DA221
C167
0.056
SQ L
C500 0.1
R113 2.2K
R112 39K
R111 3.3K
R336 5.6K
R115 1.8K
R330
4.7K
C379
0.015
Q29
DRC9114T0L
Q39
1
2
3 4
5
6
*Q28
1 2 3
4 5 6
SCK
RMUT
SQ
L
OPT1
OPV1
PTTI
MMUT
R8V
EXST
REF
PGIO1
TLVA
OPV1
SIGO
EXOE
RLVA
BEEPO
RSSI
BUSY
DSDA
TEMP
TEMP
VRAF
AFON
LVIN
BATV
TXC
TENC
AF
O
SQIN
RSSI
DAS T
EXST
REF
RMUTC
DISC
AF
O
PGIO3
MCOT
SCK
PLST
EXST
MMUT
NW C
UNLK
MMUT E
5V
HV
OPT2
NOIS
DISC
T2
OPT3
T1
SIG
TMUT
MOD
CDEC
5V
SCK
HORNO
NWC
8V
DIM
T
ONE
EAF
O
SO
LVIN
F
TENC
BUSY
MOD
SIGO
CPU5V
PWON
RXC
RXC
SIG
DAST
MMUT E
SQIN
SI
F
REM
CIRQ
DIM
BATV
T8V
CIRQ
CCS
R8V
RLVA
CCS
DAST
SCK
BAL
TLVA
EPTT
BEEP
OPT2
DISC
HORNO
T2
PTTO
OPT3
T1
SO SI
AFOUT
EAFO
EXOE
PGIO4
BAL
SO
AFONO
VRAF
DISC
CDEC
IN
T8V
RMUT
BEEPO
SO
OPT1
AFOUT
SDEC
VCC
MCIN
MCOT
PTTO PTTI
BEEP
8V
8V
8V
8V
RMUTC
DISC
SDEC
M
CIN
NOIS
PGIO2
PLST
UNLK
SCK DSDA
CPU5
TMUT
RXC
RXC
TXC
BEEP
VCC
VCC
SCK SO
RXC
TONE
HV
VREF VREF
VREF
AFON
AFONO
EPTT
5V 5V
5V 5V
5V
5V
5V
5V
PGIO3 PGIO2
CPU5V
CPU5V
PGIO4
SQ L
DIM/IGSW
BEEP
HORN
GND
GND
OPT2
PGIO3 XTXD
DISC
EXST
(MCH0)
CPU5
GND
BATV
XRXD
SCK
GND
TENC
PGIO2
PLST
AFO
GND
(MCH1)
8V
(EPTT)
5V
VCC
CDEC
CTCSS/DTCS FILTER
OPV1
RX 5-TONE SIGNAL
EXOE
TEMP
SO
D/A
DAST
AFO
RX AF HPF
CIRQ RSSI
PWON
MIC
EPTT
CCS
PGIO2
PTTO
SI
DSDA
OPT3
NOIS
AF PRE AMP
LVIN
SDEC
GND
TONE
DIM
PTTI UNLK
MIC AMP
AF AMP
FILTER
OPT1
PGIO4
PGIO3
(OPV2)
H:AFON L:MUTE
(OPV3)
RMUTO
FILTER
SPLATTER