Icom IC-F3062T, Service Manual

Page: 32 / 36

12 - 1
SECTION 12 VOLTAGE DIAGRAM
VOLTAGE LINE
Explanatory notes
TX LINE
RX LINE
COMMON LINE
FREQUENCY: 155MHz
DIGITAL VOLTMETER
MEASUREMENT CONDITIONS
2.0V
OFF: H
MUTE ON: L
Digital: H
Wide: L
Narrow: L
RX: 5V
Digital TX: 5V
RX: 0V
Analog TX : 5V
2.5V
RX: 4.52V
TX: 0.58V
RX: 4.64V
TX: 0.58V
RX: 1.17V
TX: 0.19V
Digital: H
Wide: L
Narrow: H
RX: 4.64V
TX: 0.59V
RX: 2.98V
TX: 0.52V
820mVp-p
15.3MHz
7.2V
OFF: 0.0V
ON: 7.0V
back light
7.2V
OFF: 0.0V
ON: 5.0V
back light
RX: 0.0V
TX: 5.0V
OFF: 0.0V
ON: 7.2V
back light
RX: 4.2V
TX: 0.0V
OFF: 7.2V
ON: 0.0V
back light
RX: 5.0V
TX: 0.6V
RX: 5.0V
TX: 0.0V
5.0V
GND
GND GND
VCC
R106 0
R303 4.7k
0.01
C183
MICA
0.1
C252
0.1 C246
C315 4.7
15k
R11
2SC4116
Q18
OUT1
EM6027P-46C33-G-01
+5V
I
R5V
DUSE
S5V
F
0.001 C15
LV
IN
VCC
C
+5V
C341 0.001
+5V
+5V
+5V
T5C
MCIN
AF
EPTT
LRES
AFONO
CLI
KR
PTTI
PTTSW
FSDA
FSCL
RES
CLO
+5V
+5V
VCC
VCC
MDET
J3
CLI
RES
MDET
CLO
EMIC
EPTT
LIGH
-
+
3
4
5
2
1
+
-
10
9
8
+
-
12
13
14
NJM12902V
IC9
DAN235E
D33
MCIN
VOXV
MICG VREF MICGA DA
F
O
DET DA
S
W
RMUT
O
BMUT
EMPH
PMFM
CENC0 CENC1 CENC2
REM
TENC CDEC
R5V
R5V
+5V
LV
IN
CP7
MCOT
CDEC
DISC
39k R141
SDEC
MDIR
MSCK
MRDF
MDIO
MTDT
MTCK
MODD
+5V
AFOUT
SIGO
MICA
DMO
TONE
27k R120
D_IF NOIS RSSI SQL DET NWC2
R5V
UNLK
SCK
SSO
PLST
5
4
2
3
1
-
+
REF
BAL
TEMP
AN6123MS
IC15
LMX2352TM
IC1
N
M
L
K
J
H
G
E
D
B
A
JACK UNIT
MAIN UNIT
R533 22 R534 22
MULTI-CONNECTOR
MP801
J801
A
V
R-M1005C080MT
D801 A
V
R-M1005C080MT
D802 A
V
R-M1005C080MT
D803 A
V
R-M1005C080MT
D804 A
V
R-M1005C080MT
D805
EP803
EP802
EP801
PTT
MIC
TXD
RXD
RESET
MICE
OPTV
VCC
AFO
CLI
RES
GND
EAFO
MDET
VCC
CLO
EMIC
EPTT
R539 10k
CP507
R536 47
R537 1k
R538 1k
R557 47
R535 47
0.01 C559
10k
R519
MA2S728
D502
0
R517
100k R532
1
C538
10k
R539
J501
MDET
VCC
VCC
+5V
+5V
CLO
RES
FSCL
FSDA
PTTSW
PTTI
KR
CLI
AFONO
LRES
EPTT
AF
MCIN
GND
10 C514
2
3
1
5
6
7
0.01 C535 0.1 C534 22 C532
0.1 C537 4.7 C536
0.001 C531
0.1 C529
0.001 C530
0.1 C528
VCC
VCC
VCC
+5V
+5V
+5V +5V
to LCD
J503
J502
0.001 C527
0.001 C526
0.1 C561
MA2S111
D504
R567 100k
C542*
R552 100k
0.1 C525
0.1
C523
100k
R516
0.1
C522
33k
R515
DAN202U
D508
10 C506 10 C507 10 C508
0.001 C509
2.7k R503 0.1 C510
0.001 C518
1k R505
10k R555
4.7k
R558
18k R504
0.001 C511
330k R548 0.1 C541
C540 390P
R541 100k
15k
R540
0.0033
C560
0
R566
470 R531 470 R561
470 R562
390 R547 390 R546 390 R530
NJM12904V
IC509
DTB123EK
Q509
DTA114EU
Q508
UNR9213J
Q507
UNR9213J
Q513
UNR9213J
Q512
NJM12904V
IC509
UNR9113J
Q506
UNR9213J
Q516
UNR9113J
Q514
10k
R513
0.001 C520
100k R529
33k R514
100k R528 100k R527 100k R526
R521 10k
10k R520
10k R545
0.001 C524
100k R554
100k
R553
AFON
LIGH
SPCON
MCON
EPTT
PTTI
PTTSW
MCON
MCIN
EMIC
AFON
AFONO
SPCON
AF
10 C543 15k R543 0.1 C539
0.001 C544
100 R544
22k
R542
NJM12904V
IC509
4
GND
8
V+
-
+
+
-
C502*
C501*
R564 10k
R511 100k
2SB1132
Q501
C517* R509 10k
C515 0.1 R508 10k
R563 10k
R510 82k
R559 4.7k
4.7k R560 1k R506
SML-310MT DS508
SML-310MT DS509
SML-310MT DS506
SML-310MT DS505
SML-310MT DS504
SML-310MT DS507 SML-A12MT DS503
SML-A12MT DS502 SML-A12MT DS501
W502
W501
+
-
SP1
CHASSIS
10 11
GND2 VCC2
9 12
NC NC
TDA8547TS
IC508
8
7
6
5
4
3
2
1
13
14
15
16
17
18
19
20
OUT2+
NC
SELECT
NC
OUT1-
IN1-
IN1+
IN2+
IN2-
OUT2-
GND1
NC
OUT1+
MODE
VCC1
SVRR
XP6501
Q502
3 2 1
4 5 6
2SK3019
Q515
MC501
5
4 3
2
1
UMG2N
Q505
0
R518
MA2S728
D503
EMIC
CLI
GND
RES
CLO
EPTT
VCC
MDET
S-812C30AMC
IC501
4
5
3
2
1
VIN
VOUT
NC
NC
GND
DAP222
D506
DAP222
D505
CP503
CP504
CP505
CP506
M62320FP
IC506
9
10
11
12
13
14
15
16
8
7
6
5
4
3
2
1
D4
D5
D6
SCL
SDA
D0
D1
D2
D3
GND
CS0
CS1
CS2
VDD SO
D7
M62320FP
IC505
9
10
11
12
13
14
15
16
8
7
6
5
4
3
2
1
D4
D5
D6
SCL
SDA
D0
D1
D2
D3
GND
CS0
CS1
CS2
VDD
SO
D7
GND
GND
FSCL
FSDA
LRES
+5V
100k
R525
100k
R524
100k
R523
100k
R522
P3 S516 # S515 0 S514 S513
P2 S512 9 S511 8 S510 7 S509
P1 S508 6 S507 5 S506 4 S505
P0 S504 3 S503 2 S502 S501 1
FRONT UNIT
2SK3019
Q45
0.01 C215
2SC4215
Q25
0.001 C188
C406 0.1
0.1 C405
2SC4116
Q38
3.3k
R304
0.01 C182
100
R99
0.01 C181 0.001 C180
100k R95
680
R98
ECPU1E473KB5 C20
1.5k
R12
0.01 C18
0.22 C17
1.8k R9
UNR9213J
Q24
4.7k
R91
1.2k R110
680k R109
10p
C201
0.82
µ
L45
7p C197 56p C199
4p
C198
0.22
µ
L46
0.1 C200
2p C174
5p
C172
4.7k R90
6p C173
MA2S077 D31
6p C171
MA2S077 D30
4.7k R89
2p C170
5p
C169
18n L40
0.001 C168
56 R88
0
R7
2SK880
Q33
560 R204
R205 10k
C298 0.001
0.001 C297
1k
R203
NJM12902V
IC9
GND
V+
GND
V+
11
4
11
4
R263 180k
R264 56k R265 22k
R266 1k
10k R262
R210 47k
0.018 C303
47k R209
1
2
3
NJM12902V
IC17
0.1 C302
0.0012 C301
47k
R208
47p C300
4.7k
R206
UNR9213J
Q34
0.1
C299
NJM12902V
IC17
NJM12902V
IC9
22k R261
C373 0.1
0.1 C368
R139 22k
0.039 C225
R138 22k
22k
R137
0.1
C223
0.0068 C224
4.7k R136
0.022 C222
10k
R135
R132 68k
100k
R131
3
2
1 6
5
4
XP4601
Q28
1.2k
R130
R134 15k
R133 3.3k
C203 0.001
C186 47p
C187 82p
CDBC450CX24 X5
R101 2.2k
47
R103
R100 100k
C185 10
C184 0.001
100k R281
0.001 C365
ERTJ0EP473J
R280
C196 3p
R102 1.5k
0.1
C192
0.1
C191
I O
CFWC450G
FI2
DAN235E
D32
R111 27k
8.2k R107
UNR9113J
Q26
0.1 C377
0.1 C195
8.2k R108
R105 3.3k
0.1
C194
0.1
C193
I O
CFWKA450KHFA
FI3
R104 27k
C202 0.1
470 R112
C204 0.001
0.001 C218
4.7k
R124
100k R123
470 R122
C216 470p
100k
R121
C217 470p
TA31136FNG
IC3
9
10
11
12
13
14
15
16
AFOUT
QUAD
IFOUT
RSSI
N-DET
N-REC
GND
MIXIN
FILIN
FILOUT
DEC
IFIN
VCC
MIXOUT
OSCOUT
OSCIN
8
7
6
5
4
3
2
1
470 R4
100p C3
10p C2
EP1
C4 0.1
3
4
GND
VCON
OUT
VCC
2
1
15.3MHz
X1
220k
R3
10k
R2
R5 390k
NJM2125F
IC21
R1 470k
C1 22p
C371 0.001
C372 0.1
R176 33k
C264 0.001
47k R177
C420 0.0047
R162 47k
R156 8.2k
R157 56k
C250*
DA
P
2
2
2
D42
0.1 C247
100k
R302
R178 68k
R179 68k
R334* R181*
R180 330k
C266*
C265 0.1
CD4053B
IC14
9
10
11
12
13
14
15
16
C
B
A
X0
X1
X
Y
VDD
VSS
VEE
INH
Z0
Z
Z1
Y0
Y1
8
7
6
5
4
3
2
1
22k R167
680 R332
0 R182
R169 24k
C258 470p
2.2k R168
0.018 C269
R183 680k
R186 15k
R185 330k C267 470p
R184 2.7k
0.018
C268
MA2S111
D41
R291 1M
C370 0.01
2.7k
R174
R175 820
C261 1
C259 10
R170 100 R171 1M
C260 10
100k R338
1
C429
C242* R330 6.8k
INPUT
GND
OUTPUT
DET
VCC
CP5
470
R151
470
R150
C239 47p CP4
CP3 R146 0
0.1 C238
3.3k R145
CP2
R148 33k
47p C240
R147 330k C241 0.0012
33k R329 27k R149
ERTJ0EP473J
R328
R155 15k
C244*
C256 0.0022
0.1 C257
0.01 C255
4.7k R166
C245 0.012
CD4053B
IC13
9
10
11
12
13
14
15
16
C
B
A
X0
X1
X
Y
VDD
VSS
VEE
INH
Z0
Z
Z1
Y0
Y1
8
7
6
5
4
3
2
1
0.001 C227
10 C226 0.001 C431 0.1
µ
L50
39k
R143
1 C228
10k R140
R142 10k
C230 0.001
C229 1
EP4
C235 47p C236 47p
C237 0.022
1k
R144
C231 47p C232 47p C233 47p C234 47p
R154 10k
EP5
100k
R159
C249 0.1 R158 33k
1 C243
100k
R152
R153 10k
CP6
C221 22p C220 22p
CR-765
X3
R128 1M
C248 180p
13
14
15
16
17
18
19
20
21
22
23
24
AK2346P
IC5
SCLK
DIR
XOUT
XIN
VDD
EXPOUT
RXAFIN
RXAF
RXLPFO
RXINO
RXIN
TEST
RDF/FC
D1/O
TDATA
TCLK
VSS
MOD
EXTLMIN
LIMLV
TXINO
TXIN
AGND
AGNDIN
12
11
10
9
8
7
6
5
4
3
2
1
1.8
µ
L1
0.01 C5
10 C6
1k
R6
C13 47p C12 47p C11 47p
C10 0.1
0.001 C7
0.01
C424
0.01
C8
C9 0.01
EP5
12
11
10
9
8
7
6
5
4
3
2
1
13
14
15
16
17
18
19
20
21
22
23
24
RF/EN
FO/LD
OSCIN
OSCX
GND
GND
CPORF
VPRF
VCCRF
CUTO
IF_EN
CLOCK
DATA
LE
GND
GND
CPO1F
VPIF
VCCIF
OUT1
*; Refer to “PARTS LIST.”