Icom IC-F3001 Service Manual Addendum page 45

SECTION 10. VOLTAGE DIAGRAM
MAIN UNIT (1/2)
R301
C301
DISC
0.1 15k
S5V C TCSS/DTCS FILTER
R310
DISC
R351 22k
18k
C329
0.0047
C328 R355 IC59
6
C330 C331
7
B
1 10k
5
0.01 0.01
LM2902PWR
VREF
+5V +5V 14
RMUT1 13
12
11
10
9
8
J51 R361
470
MMZ1005Y102CT
R366 R368 R369
150k 270k 150k
MC51
R359
0
EM9745P
R363
470
Q58
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
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56k
R303
IC60
R302
6
1.5k
7 SDEC
12k B
5
R304
NJM12902V
VREF
R314
R313
390k C304
10
3.3k
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
CENC2
C333
22k 47k
0.0047
IC58
C332
6
7
B
0.0047
5
NJM12902V
IC62 DUS E
1
VDD I/O 1
2
CONT1 O /I1
3
CONT4 O /I2
4
I /O4 I/O2
5 M MUT
O/I4 CONT2
6
O/I3 CONT3 R341
7
SENC
I /O3 VSS
68k
CD4066BPWR
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
R429
1k
180k
IC60
9
D53
8 VOXV
C
C381 C382
10 S5V NJM12902V
L1SS400
4
0.018 0.018
V+
NJM12902V
GND
11
S5C
CPU5
EPTT
ATX
R5V
Q85
LDTC144EE
R440
Q84 LDTC144EE AFON
390
R5C
R441
+5V
10k
IPTT
T5V
KEY1
KEY2
R413
CL T5C
R412
C403
AFO
1
0.1 4.7k
2
100k AFON
3
+5V
4
Q63
2SB1132
VCC
L1SS400
R442
D55
330
R414
BATV
330k
Q64
XP6501
Q75
+5V
HV
AFVI
Q76
PWON
CBI0
CBI3
LDTC144EE
CBI2
CBI1
10 - 1
IC59
2
R329
C356
1
A
R327 R328
3
4.7k 10
47k 47k
LM2902PWR
Q52
LDTC144EE
IC59 IC59
13 9
14 8
D
R342 R344 C
R343 R345
12 10
68k 68k 68k
68k
LM2902PWR LM2902PWR
R374
3.9k
IC56
1 14
I/O1 VDD
2 13
R377 O /I1 CONT1
3 12
R379
O /I2 CONT4
4 11
33k
I/O2 I /O4
5 10
C350 270k CONT2 O/I4
6 9
CONT3 O/I3
7 8
470P
VSS I /O3
IC58
13
CD4066BPWR
D 14
12
NJM12902V
Q71
KTA2015
LM2902PWR
4
IC58 V+ IC59
GND
11
R432
4.7k
2SA1586
Q72
R434
10k
KTA2015
Q73
R436
4.7k
IC60
NJM12902V
CDEC
4 STONE
V+
RES
GND
NJU7704F3
11 IC53
1 5 CPU5
CD VDD
2
VSS
3 4
MR VOUT
Q74 2SB1132
R456
10k
R451
10
CR-864
R454
C453
X51
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
C353
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
R472 R474
C462
0.1
100k 15k
ADSW
48
1
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
CSFT 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
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
47P
180k 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
Q82 R469
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
IC52
1
A0
2
A1
3
A2
4
VSS