Icom IC-F3001 Service Manual page 45

SECTION 10. VOLTAGE DIAGRAM
MAIN UNIT (1/2)
R303
R301
C301
DISC
0.1 15k
S5V C TCSS/DTCS FILTER
R310
DISC
R351 22k
18k
C329
0.0047
R355
C328 IC59
6
C330 C331
7
1 10k B
5
0.01
0.01
LM2902PWR
VREF
+5V +5V 14
VDD
RMUT1 13
CONT1
12
CONT4
11
I /O4
10
O/I4
9
O/I3
8
I /O3
CD4066BPWR
J51 R361
470
MMZ1005Y102CT
R366 R368 R369
150k 270k 150k
MC51
R359
0
EM9745P
R363
470
Q58
0.018
UNR911HG0
SW-149
CPU5
EPTT
ATX
Q59
LDTC144EE
IPTT
KEY1
KEY2
CL
IC55
8
VO- IN
7
GND SHUTDOWN
6
SE/BTL VDD
C393
5
J52
VO+ BYPASS
220
TPA0211DGN
J53
1
2
F51
CP5 R421
1 2
CP06S
ERBSE3R00U
S54
TP76N00N
2 1
C1 A1
3
B1
5 4
C2 A2
6
B2
8 7
C3 A3
9
B3
TP70TF5169
56k
IC60
R302
6
1.5k
7 SDEC
12k B
5
R304
NJM12902V
VREF
R314
R313 390k
C304
3.3k 10
Q51
C307
0.1
R321
4 3 S5V
R311 R312
15k
5 2
22k 22k R316 R322
CENC0
6 1
470 180k
XP4601
R323
CENC1
R317 R318
CDEC
56k
6.8k 10k R324 R326 R327
CENC2
C333
22k 47k
0.0047
IC58
C332
6
7
B
0.0047
5
NJM12902V
IC62 DUS E
1
I/O 1
2
O /I1
3
O /I2
4
I/O2
5
M MUT
CONT2
6
CONT3 R341 R342
7
SENC
VSS
68k
C380
47P
C347
R370
0.01
470k
C346 C348 IC58
2 9
IC60
A 1 C 8
0.039 0.039 R375
0.1
3 10
C349 470
NJM12902V
NJM12902V
VREF
R428
VREF
1k R429
180k
IC60
9
D53
C 8 VOXV
C381 C382
10
S5V NJM12902V
L1SS400
4
0.018
V+
IC58
NJM12902V
GND
11
R432
S5C
4.7k
CPU5
EPTT
ATX
R5V
Q85
LDTC144EE
R440
Q84 LDTC144EE AFON
390 R434
R5C
R441 10k
+5V
10k
IPTT
T5V
KEY1
KEY2
R413
R436
CL T5C
R412 4.7k
C403
AFO
1
0.1 4.7k
2
100k AFON
NJM12902V
3
+5V
4
Q63
2SB1132
VCC
L1SS400
R442 Q74
D55
330
R414
BATV
330k
Q64
XP6501
Q75
+5V
HV
AFVI
Q76
PWON
CBI0
CBI3
LDTC144EE
CBI2
CBI1
10 - 1
IC59
2
R329
C356
A 1
R328
3
4.7k 10
47k
47k
LM2902PWR
Q52
LDTC144EE
IC59 IC59
13 9
14 8
D
R344 C
R343 R345
12 10
C353
68k 68k 68k 68k
LM2902PWR LM2902PWR
R374
3.9k
IC56
1 14
I/O1 VDD
2 13
R377
O /I1 CONT1
12
3
R379 O /I2
CONT4
4 11
33k I/O2 I /O4
5 10
CONT2 O/I4
C350 270k
6 9
CONT3 O/I3
7 8
470P VSS I /O3
IC58
13 CD4066BPWR
14
D
12
NJM12902V
Q71
KTA2015
LM2902PWR
4
V+
IC59
GND
11
2SA1586
Q72
KTA2015
Q73
IC60
CDEC
4 STONE
V+ RES
GND
11 IC53 NJU7704F3
1 5 CPU5
CD VDD
2
VSS
3 4
MR VOUT
2SB1132
R456
10k
R451
10
CR-864
R454
C453
X51 CSFT
22P 22k
IC54
1 5
CTRL VIN R455
XP6501 2
GND
3 4
NB VOUT 12k
NJM2871BF05
CPU5
J54
15 16
CP05S CPU5
CP6
CP05S
CP7
CP05S
CP8
CP05S
CP9
CP05S
CP10
CP05S
CP12
CP05S
CP11
IC57 R2A20178
REF
25
7 24
VOUT3 VOUT2
8 23
VOUT4 VOUT1
9 22
VIN4 VIN1
10 21
VIN5 VIN8
11 20
VOUT5 VOUT8
12 19 BAL
VOUT6 VOUT7
+5V
R381
VREF
270k
R382
C326
R385
0.01 470k
R383 120k
560k R386
IC58
2
R387
1
A
33k
3
1.5k
0.01
NJM12902V
R384
100k
C358
0.1
R473 100k
UNR9210G0
Q81
CLO
C460
0.1
R471
C461
0.1
15k
R474
C462 R472
0.1
100k 15k
ADSW
1 48
PB6/AN6/DA0 P25/SCK3_2
2 47
PB7/AN7/DA1 P23/TRCOI
3 46
AVCC P22/TXD
4 45
X2 P21/RXD
5 44
X1 P20/SCK3
6 IC51 43
AVSS P87/TREO
7 R4F20102NFA 42
RES P86/TRBO
8 41
TEST P85/TRAIO
9 40
VSS P67/FTIOD1
10 39
PJ1/OSC2 P66/FTIOC1
11 38
PJ0/OSC1 P65/FTIOB1
12 37
VCC P64/FTIOA1
13 36
P37/TXD_3 P60/FTIOA0
14 35
P36_RXD_3 NMI
15 34
P35/SCK3_3 P61/FTIOB0
16 33
P34/FTCI P62/FTIOC0
100k
R464
CPU5
IC52
8
VCC
7
WP
6
SCL
5
SDA
R460
R1EX24016ATA00A
100k
*: Refer to the PARTS LIST for the value and name of component.
HV
HV
+5V
+5V
S5V
R396
C365 S5V
R5V
180k 47P
R5V
R397
T5V
T5V
560k
R5C
IC60 R5C
13 SO
SO
D 14 VCON
R398
12 SCK
SCK
10k
PLST
PLST
NJM12902V
NWC
NW C
TMUT
TMUT
MOD
MOD
VCON
VCON
SQIN
SQIN
LVA
LVA
T1
T1
T2
T2
LVIN
LVIN
RSSI
R SSI
D ISC
DISC
NOIS
NOIS
UNLK
UNLK
DS51
R469
Q82
RLED YG
390
LDTA144EE
Q83 R468
TLED HR
CL-165HR
1.8k
LDTA144EE
MGC1
MGC0
R466
R467
100k
100k DUS E
CBI3
CBI2
CBI1
CBI0
CENC0
CENC1
CENC2
IPTT
R88
TEMP
ERTJ0EP473 J
1
A0
2
A1
3
A2
4
VSS