![background image](http://html2.mh-extra.com/html/icom/ic-f3062t/ic-f3062t_service-manual_4228253033.webp)
12 - 2
*; Refer to “PARTS LIST.”
VOLTAGE LINE
Explanatory notes
TX LINE
RX LINE
COMMON LINE
7.2V
RX: 0.0V
TX: 4.8V
RX: 0.1V
TX: 0.8V
RX: 0.0V
TX: 3.2V
RX: 0.0V
TX: 1.0V
FREQUENCY: 155MHz
DIGITAL VOLTMETER
MEASUREMENT CONDITIONS
RX: 0V
TX: 4.94V
RX: 4.93V
TX: 0V
RX: SG OUTPUT LEVEL +60dBu
TX: TX OUTPUT 5.0W
FREQUENCY: 155MHz
OSCILLOSCOPE: 20MHz
DIGITAL VOLTMETER
MEASUREMENT CONDITIONS
4.94V
880mVp-p
19.6MHz
RX: 4.67V
TX: 0.58V
RX: 4.47V
TX: 0.58V
RX: 0.18V
TX: 0V
Digital: L
Wide: H
Narrow: H
RX: 1.08V
TX: 0V
RX: 2.64V
TX: 0.32V
RX: 0V
TX: 5V
RX: 4.85V
TX: 0V
3.6V
RX: 1.89V
TX: 0V
RX: 0V
TX: 4.75V
RX: 4.85V
TX: 0.58V
4.17V
4.85V
RX: 0V
TX: 1.96V
RX: 2.02V
TX: 0.58V
5.0V
RX: 0V
TX: 0.32V
RX: 4.92V
TX: 0V
0.1
C317
24LC512T
IC19
R230 100k
R229 10k
CPU5V
4
3
2
1
VSS
A2
A1
A0
SDA
SCL
WP
VCC
5
6
7
8
C629 0.001
0.1
C630
10
R609
0.001
C610
82k
R217
0.01
C414
0.001
C407
100k
R337
TO
N
E
VO
X
V
0.1
C254
R235
1k
TMUT
OPT3
OPT2
CIRQD
HV
ISENS
CIRQA
CIRQD
CIRQ
DAP202U
D40
470
R22
2SC5107
Q5
0.001
C427
0.1
C380
2SK1829
Q11
0.001
C118
C125 1p
RMUT0
3SK293
Q10
R300 120k
0.01
C379
100k
R335
220k
R202
R5V
I
T2
T5V
CCK
CSI
CSO
(DRES)
CCS
OPT1
DAFO
DISC
VREF
DMI
DMO
VCC
+5V
D IF
DASW
CCK
PMFM
CSI
R315 15k
EMPH
CSO
OPT3
CIRQA
OPT2
CCS
OPT1
REM
SIGO
BUSY
AFOUT
DISC
RMUT
BEPO
AFONO
MCIN
MMUT
MCOT
PTTO
+5V
PTTI
R316 1M
R317 1M
R318 1M
100k
R333
CP8
100
R219
PTTO
C418 0.001
C417 0.001
R313 15k
R314 15k
F
RES
C
+5V
+5V
VCC
+5V
T5V
S5V
VCC
S5V
CPU5V
CPU5V
CPU5V
CPU5V
J1
J2
PTTSW
SKHLLF
A
010
S3
S4 SW-167
S5 SW-167
S6 SW-167
SIDE3
SIDE2
SIDE1
0.1
C409
DPDN
DRES
BUSY
EXOE
R307 100k
CP20
DTPD
DUSE
NWC1
SCK
SSO
EXST
R306 100k
CD4094BPWR
IC24
9
10
11
12
13
14
15
16
QS
Q'S
Q8
Q7
Q6
Q5
OE
V+
GND
Q4
Q3
Q2
Q1
CLK
D
STR
8
7
6
5
4
3
2
1
D38 MA2S077
C382 0.01
+5V
+5V
+5V
TA75S01F
IC601
+
-
5
3
1
2
4
6
5
4
1
2
3
TLED TLED
RLED
EMER
CBI3
CBI2
CBI1
CBI0
AFV1
PWRSW
+5V
RLED
EMER
CBI3
CBI2
CBI1
CBI0
AFV1
PWRSW
+5V
RXRF
GND
T2
T5V
TMUT
HV
ISENS
GND
TXRF
GND
47p
C701
47p
C702
47p
C703
47p
C704
TP76N00N
R704
TP70TF5163
S701
100k
R705
EVQ-PUL
S702
100k
R701
CL-165HR
DS701
XP1214
Q701
3
2
1
+
-
-
+
8
9
10
6
5
7
-
+
1
3
2
+
-
+
-
7
5
6
R5V
+5V
TLVA
RLVA
2SC4116
Q17
OUT1
S5C
R5C
R5V
BA
TV
VCC
PWON
RSSI
HV
PWON
POSW
PWRSW
T1
T2
NWC1
BAL
MICGA
MICG
SSO
SCK
DAST
DET
SQL
REF
VREF
TENC
AF
BEEP
BEPO
SENC
TLED
RLFD
UNLK
ANASW
MDWN
EPTT
EMER
AFVI
ANASW
MDET
TEMP
T1
T2
TL
V
A
RL
V
A
DSD
A
SCK
SENC
BEEP
SDEC
CDEC
ISENS
BA
TV
LV
IN
RSSI
SIDE2
RMUT
O
MMUT
OPT1
OPT2
OPT3
NOIS
POSW
DDST
MTCK
R5C
S5C
PTT
O
PLST
DASW
TMUT
DDSD
DDAC
CCS
CCK
CSI
CSO
DDAC
DDSD
PLST
DASW
TMUT
SCK
SSO
EXST
PWON
CBI0
CBI1
CBI2
CBI3
DAST
DSDA
LRES
PMFM
MSCK
MDIO
MDIR
MTDT
EMPH
EXOE
CENC0
CENC1
CENC2
SIDE1
MRDF
CIRQ
KR
FSCL
FSD
A
CLI
CLO
DDST
DD
A
C
DDSD
0.1
C272
SDEC
DTPD
DMI
MODD
T5V
HD64F2268TFV
IC18
PM6/SEG31
PM5/SEG30
PM4/SEG29
PM3/SEG28
PM2/SEG27
PM1/SEG26
PM0/SEG25
PL7/SEG24
PL6/SEG23
PL5/SEG22
PL4/SEG21
CVCC
PL3/SEG20
VSS
PL2/SEG19
PL1/SEG18
PL0/SEG17
PK7/SEG16
PK6/SEG15
PK5/SEG14
PK4/SEG13
PK3/SEG12
PK2/SEG11
PK1/SEG10
PK0/SEG9
PJ7/WKP7/SEG8
PJ6/WKP6/SEG7
PJ5/WKP5/SEG6
PJ4/WKP4/SEG5
PJ3/WKP3/SEG4
PJ2/WKP2/SEG3
PJ1/WKP1/SEG2
PJ0/WKP0/SEG1
P10/TIOCA0
P11/TIOCB0
P12/TIOCC0/TCLKA
P13/TIOCD0/TCLKB
P14/TIOCA1/IRQ0
P15/TIOCB1/TCLKC
P16/TIOCA2/IRQ1
P17/TIOCB2/TCLKD
AV
S
S
P97/AN9/D
A1
P96/AN8/D
A0
P47/AN7
P46/AN6
P45/AN5
P44/AN4
P43/AN3
P42/AN2
PM7/SEG32
PN0/SEG33
PN1/SEG34
PN2/SEG35
PN3/SEG36
PN4/SEG37
PN5/SEG38
PN6/SEG39
PN7/SEG40
PH0/COM1
PH1/COM2
PH2/COM3
PH3/COM4
V1
V2
V3
C1
C2
PF3/ADTRG/IRQ3
P35/SCK1/SCL0/IRQ5
P34/RXD1/SD
A0
P33/TXD1/SCL1
P32/SCK0/SD
A1/IRQ4
P31/RXD0
P30/TXD0
P71/TMRI23/TMCI23
P72/TMO0
P73/TMO1
P74/TMO2
P75/TMO3/SCK2
P76/RXD2
P77/TXD2
MD2
FWF
EXTAL
VSS
XTAL
VCC
STBY
NMI
RES
OSC1
OSC2
MD1
PH7/TONED/TMC14
AVCC
VREF
P40/AN0
P41/AN1
3
1
2
4
6
5
6
3
1
5
2
4
FL-335
FI4
FL-401
FI1
4
5
3
2
1
NJM2870
IC6
10k
R192
2SB1132
Q12
1
2
3 4
5
6
XP6501
Q13
UNR9213J
Q46
TPC6103
Q30
DAN202U
D30
UNR9213J
Q31
0.001
C276
0.001
C278
C277 10
R191 100k
270k
R190
3
2
1
4
5
6
100k
R253
1k
R242
1k
R222
1k
R225
1k
R223
1k
R226
100k
R301
N
M
L
K
J
H
D
A
B
E
G
ANT
CHASSIS
J1
ANT
Battery
from
BATT+
BATT-
CP602
CP603
J602
J601
RF UNIT
VR/VR-A
UNIT
C651 27p
CP19
CP18
CP17
CP16
CP15
CP14
CP13
CP12
CP11
CP10
J701
J4
VOL
SELECTOR
ROTARY
SELECT
OR
RO
TA
R
Y
[FRG-01]
[Others]
KEY
PROGRAMMABLE
DEALER-
1.5k
R703
330
R702
4
5
C3
C2
C1
B3
A3
B2
A2
B1
A1
R319 100k
C387 0.001
C386 10
C59 0.01
10
C58
R28 2.2k
D13 MA2S111
47k
R284
100k
R286
1
C366
100k
R283
R282 120k
3.3
µ
L14
C296 0.001
C295 0.1
C292 0.001
0.001
C124
0.001
C123
10k
R62
100k
R276
R277 100k
0
R189
C286 0.001
C289 0.001
0.001
C145
10k
R77
0.001
C146
100
R193
0.1
C280
C281 0.01
C408 4.7
C381 1
22k
R194
C282 4.7
C283 0.001
0.001
C139
47
R73
1
C137
0.001
C138
0.001
C425
56n
L33
DA
2
2
1
D27
DA
2
2
1
D26
R72 4.7
0.001
C136
C134 0.1
R71 56k
0.1
C135
R70 220k
C133 0.001
470k
R69
MA2S111
D25
4.7k
R68
390k
R67
0.001
C132
0.1
C131
R63 100k
R66 10
47n
L29
C117 12p
D21 MA2S728
D22 MA2S077
C120 6p
6p
C119
56n
L30
L31 68n
HVC375B
D23
0.001
C121
100k
R60
100k
R61
0.001
C122
HVC375B
D24
L32 68n
C127 4p
C126 4p
R64 120k
270
R65
0.001
C129
47p
C130
0.01
C279
VOUT
VIN
NB
GND
CTRL
0.001
C285
0.01
C284
10k
R195
2SA1577
Q14
47k
R196
0.001
C288
0.01
C287
10k
R197
2SA1577
Q15
47k
R198
2SA1577
Q16
0.001
C291
10k
R199
0.01
C290
47k
R200
0.001
C376
10k
R38
100k
R34
0.18
µ
L17
100
R35
0.001
C67
0.001
C68
100
R87
10k
R86
0.001
C166
R36 0
2SC4226
Q6
D15 MA2S077
R37 4.7k
1SV308
D14
10p
C69
4.7
R33
100
R32
0.001
C63
0.001
C65
2.5p
C64
0.001
C167
18n
L16
47k
R31
10p
C62
7p
C66
C426 5p
2SC5107
Q4
47k
R27
C57 0.001
UNR9213J
Q23
10k
R25
47k
R26
47p
C56
1
2
3
5
4
5
4
1
2
3
XP1214
Q21
XP1214
Q22
560
R24
470
R23
0.75p
C54
100k
R29
0.1
µ
L15
0.001
C60
100
R30
C61 470p
C55 0.5p
C53 0.75p
0.001
C140
R74 470
C141 4p
3SK324
Q37
47
R272
0.01
C344
0.001
C345
68k
R273
0.01
C208
R115 27k
C347 0.01
C348 0.001
0.001
C349
100
R275
0.82
µ
L49
12p
C346
1.8k
R274
10p
C164
1.5p
C144
0.001
C142
HVC350B
D28
100k
R75
100k
R76
0.001
C143
HVC350B
D29
56n
L34
6p
C147
C148 15p
C384 47p
C383 0.001
R296 100k
39k
R297
120k
R298
68n
L38
7p
C161
39n
L39
22p
C163
22p
C162
DAN235E
D35
DAN235E
D34
UNR9113J
Q27
3.3k
R119
R116 3.3k
C378 0.01
3.3k
R117
3.3k
R118
330
R294
0.01
C212
15p
C177
2SC4116
Q41
330
R323
0.01
C206
120
R295
10k
R321
IN
GND
GND
OUT
0.01
C213
150
R292
4p
C214
2SC4116
Q42
22p
C210
C209 6p
R325 150
0.01
C207
47
R293
OUT
GND
GND
IN
10k
R322
1p
C46
1SV239
D9
22p
C47
HVC375B
D10
C293 4.7
C294 0.1
2SK3019
Q32
220k
R201
L13 68n
3.3
µ
L4
47p
C23
4p
C51
5p
C52
3p
C50
3p
C49
HVC376B
D12
HVC376B
D11
10
µ
L12
2SC4226
Q3
C48 220p
L11 72n
68p
C42
R19 3.9k
2.5p
C45
33p
C44
18p
C43
R20 1.8k
0
R21
C41 0.001
C40 0.01
D6 1SV284
D5 1SV284
D3 1SV284
100k
R287
56k
R288
0.1
C367
120k
R289
0.1
C369
14
12
13
47k
R290
NJM12902V
IC17
R213 68k
ERBSE3R00U
F601
BLM21P300S
L613
0.1
C661
0.001
C660
47p
C659
0.1
C656
0.001
C657
47p
C658
180k
R631
UNR9213J
Q606
0.001
C632
C626 0.001
R605 4.7k
0.01
C627
100k
R607
10k
R606
0.001
C631
2.2k
R610
MA2S111
D606
220
R611
220k
R608
0.1
C628
1SV307
D603
27p
C612
R601 100k
L601 27.2n
C602 6p
C663 5p
C601 8p
45.3n
L602
5p
C605
24p
C604
27p
C606
8.6n
L608
RD07MVS2
Q601
RD01MUSI
Q602
R614 4.7k
C634 0.001
C635 470p
R613 100k
22
R615
12.1n
L609
EXCCL3225U
L611
0.001
C653
100p
C638
0.001
C619
0.001
C666
15k
R633
4.7k
R604
RB706F
D605
RB706F
D604
12p
C611
45.3n
L604
2.7k
R632
0.5p
C665
12p
C609
1.5p
C608
45.5n
L603
1SV307
D601
0.001
C614
0.001
C613
270
R628
270
R629
4.7
µ
L605
0.001
C615
27.2n
L606
C616 18p
C617 18p
0.5p
C618
2.7k
R603
0.001
C620
C622 6p
56p
C623
5.8n
L607
C664 6p
C624 68p
C637 0.001
C644 47p
C645 0.001
27n
L610
0.001
C640
C662 0.001
C633 0.001
C639 1
EP602
100
R618
C642 0.01
C643 0.001
R616 33k
R617 4.7k
C650 0.001
R619 100
0.001
C649
10
R622
2.2k
R621
100p
C646
2SC5110
Q603
39n
L612
47p
C647
0.001
C648
R620 2.2k
0.001
C654
10k
R625
XP6401
Q604
2SC4081
Q605
R626 1k
R627 33k
C655 0.001
R623 0.15
1k
R624
2SC4226
Q2
3.3
µ
L10
3.3
µ
L3
47p
C22
HVC376B
D7
22p
C39
HVC376B
D8
10
µ
L9
56p
C38
90n
L8
33p
C34
R16 3.9k
5p
C37
33p
C36
33p
C35
R17 1.8k
0
R18
C32 0.001
C33 0.01
2SC4226
Q1
3.3
µ
L6
3.3
µ
L2
47p
C21
D4 1SV284
HVC376B
D1
18p
C24
HVC376B
D2
10
µ
L5
64n
L7
68p
C25
4p
C26
33p
C27
R14 3.9k
33p
C29
33p
C28
R15 1.8k
0
R13
C31 0.001
C30 0.01
R248 1k
68k
R215
0.001
C311
68k
R216
C304 0.1
R211 270k
C312 0.1
C308 47p
NJM12902V
IC17
C310 0.0022
68k
R214
C309 120p
NJM12902V
IC17
47p
C305
C307 0.0015
68k
R212
C306 100p
C343 0.1
C342 0.1
R268 10k
R267 10k
15k
R331
C393 0.001
C422 0.1
R164 270k
R163 47k
UNR9113J
Q44
0.001
C273
100k
R320
C413 33p
C412 33p
4.194304MHz
X4
BU8872FS
IC10
9
10
11
12
13
14
15
16
SD
NC
ACK
NC
NC
EST
NC
VDD
GND
NC
OSCI
NC
NC
OSC0
NC
INPUT
8
7
6
5
4
3
2
1
C313 0.1
56k
R220
NJM12902V
IC9
R165 3.9k
ERTJ0EP473J
R336
C253 0.1
10k
R113
0.1
C205
NJM12902V
IC9
0
R161
C251 0.1
C219*
R127 120k
R126 330k
M62364FP
IC4
13
14
15
16
17
18
19
20
21
22
23
24
VIN5
VOUT5
VOUT6
VIN6
DO
VDAREF
RESET
GND
VIN7
VOUT7
VOUT8
VIN8
VIN4
VOUT4
VOUT3
VIN3
DI
CLK
LD
VDD
VIN2
VOUT2
VOUT1
VIN1
12
11
10
9
8
7
6
5
4
3
2
1
4
5
3
2
1
5
6
7
8
4
3
2
1
S-80942CNMC
IC8
M62334FP
IC20
CD4053B
IC22
VSS
VDD
OUT
NC
CD
0.1
C325
C385 0.1
12k
R247
100k
R312
R311 10k
R239 100k
UNR9213J
Q35
C430 1
CP22
0
R339
MA8051
D37
0.027
C326
9
10
11
12
13
14
15
16
8
7
6
5
4
3
2
1
C
B
A
X0
X1
X
Y
VDD
Z
VSS
VEE
INH
Z0
Z1
Y0
Y1
10k
R231
R228 470
C319 47
C318 0.1
GND
SDA
SCL
VDD
AO4
AO3
AO2
AO1
12k
R245
12k
R246
15p
C331
1M
R244
12p
C330
6p
C329
CR-764
X2
R243 10
R238 100
R249 100k
C332 47p
C333 47p
R305 100k
R251 10k
R252 10k
1k
R254
100k
R258
1k
R257
1k
R259
1k
R256
C428 0.001
C336 47p
C340 47p
C339 47p
100k
R308
C364 47p
C363 47p
C361 47p
C360 47p
C359 47p
C358 47p
100k
R240
47p
C354
47p
C328
1k
R221
100k
R310
100k
R309
100k
R279
0.1
C316
SDEC2 CP21
R237 1k
C421 0.001
C322 0.1
C323 0.1
C324 0.1
1k
R227
100k
R236
100k
R233
C335 47p
C320 47p
C321 47p
R255 1k
P70/TMRI01/TMCI01
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
41
42
43
44
45
46
47
48
49
50
100
99
98
97
96
95
94
93
92
91
90
89
88
87
86
85
84
83
82
81
80
79
78
77
76
75
74
73
72
71
70
69
68
67
66
65
64
63
62
61
60
59
58
57
56
55
54
53
52
51
100k
R341