Icom IC-F30GT Service Manual page 35

SECTION 12 VOLTAGE DIAGRAM
DS3
LNJ310M6URA
DS4
DS10 EDMMUD1FA0 LNJ310M6URA
LCD
DS3
J2 13.1V
DS4
5.0V
10.3V
C19
C11 R6 0.1
1 390k
C7 C6
1
1
C21
C9 1
R7
1
560k
C10 C8 D4 R5
R18 C26
1 MA111 820k R3
1
100k 0.1
22
C20
47p
DS11
C3
C1 R4
LN1371G-
C4 C23 0.1
0.1 820k
[GT] only 1 1 C2
f =41 kHz
0.1
5V C22
0.1
DS6
0V
D7
LN1371G-
[GT] only D6
D5
D4
R17
D3
100k
DS7 D2
LN1371G-
D1
[GT] only
D0
RDB
WRB
RS
DS12
LN1371G-
RESB
[GT] only
VCC
S5 S4 S3 S2
F3 F2 F1 F0
D1
MA111
KS4
S110 S103 S102 S101
C18
47p
KS3
DS14
LN1371G-
S111 S106 S105 S104 C12 [GS] only
47p
D2
MA111
KS2
C13
S112 S109 S108 S107
47p
DS15
LN1371G- Q2
[GS] only
2SC4116
KS1
C14
S16 S12 S11 S10
47p
R9
220
KS0
C15
47p
INT SP
CP1
SP1
C17
47p
CP2
Note
PTT
S1
PTT
R23 10k
Q8
INT MIC
Q6
2SC4081
CPH3403
R20
R21 470k
R22
100k Q7
470k
MC1 CPH3403
R12 C25
EM-140
33k 47p
Q9
C16
INT SP : 0V RX: 0V
0.001
DTC144EUA
EXT SP: 4.8V TX : 2.7V
R60
100k
R13 R8
330 560
DS2
LNJ310M6URA
DS5
DS13
LNJ310M6URA LNJ210C6ARA
DS1
LNJ310M6URA
SQL CLOSE: 0V Q3
SQL OPEN : 5.0V
DTC144TE
Q1
2SC4116
Q4
R1
3.3k DTC144TE
R2
1.5k
J1
RX: 0V J3
W5
TX: 5.0V
1
26 GND GND
2
25 +5V +5V
3
24 D7 D7
4
23 D6 D6
22 D5 D5 5
6
21 D4 D4
7
20 D3 D3
8
19 D2 D2
9
18 D1 D1
17 SPCN SPCN 10
11
16 RDB RDB
12
15 WRB WRB
13
14 RS RS
14
13 GND GND
12 RESB RESB 15
16
11 VCC VCC
10 17
KR0 KR0
18
9 KR1 KR1
19
8 KR2 KR2
7 KR3 KR3 20
21
6 FRST FRST
22
5 MIC+ MIC+
23
4 D0 D0
24
3 SP+ SP+
2 PTT PTT 25
IC1
26
1 GND GND
TC74VHC373FT
R14
100k
CH SELECT
S1
EC10SP16-47
3
1
DS8
1 C1 4
Q5
LN1371G- 2
2 5
4
[GT] only DTC
C2 6
8
LED OFF: 0V
144TE
LED ON : 5.0V
DS9
LN1371G-
[GT] only
R11
INT SP SW
3.3k
R193
AF VR
10k
POWER
R10
1.5k
D31
MA2S111
D3
MA6S121
R192
100k
D38
MA2S111
KR0
R375
UNIVERSAL
4.7k
KR1
KR2 CONNECTOR MP6
KR3 9
AFO
SP+ 8
VCC
7
DETECT
6
MICE
5
RESET
[GT]: IC-F30GT/F31GT 4
XRXD
3
XTXD
2
[GS]: IC-F30GS/F31GS
MIC
1
PTT
PTT
MIC+
W3
Explanatory notes C429
47p
C29 R26 +B LINE
C28 IC2
0.001
0.01 15k
TA75S01F
5 COMMON Note
1
4
LINE
3 C30 R27
R25 2 12k
0.1
C27 TX LINE
180k
270p
RX LINE
RX: 0V
R24
TX : 2.2V SPCN
47k
CP3
HV
CP4
C24
FRONT UNIT
BATTERY GND
0.01
CP5
BDET
R294 47k OPV11
R295 47k OPV12
OPV13
R296
47k
To optional unit
OPT1 J1
1 30
2 29
3 28
4 27
D10
5 26
6 25 DAN202U
7 24
8 23
9 22
10 21
11 20
12 19
13 18
14 17
15 16
To optional unit
OPT2 J2
1 30
PTOT 2 29
3 28
4 27
5 26
6 25
7 24
SIG2 8 23
OPT21 9 22
10 21
OPT22
OPT23 11 20
R64 12 19
FCLR OPV23 47k 13 18
14 17
R65
15 16
47k
MSKE
OPV22
R66
47k
RGS2 OPV21
D13
DAP202U
+5V
D7
D6
D5
D4
D14
D3
DAP202U
D2
D1
RDB
WRB
RS
RESB
VCC RX: 5.0V
TX: 0V DSIN
KR0
KR1
G
KR2
PTIN
PTOT
KR3
FRST
C231 C310
47p
0.0047
D0
R289
100k +5V
R323
100k
VCC
SPCN
MCOT
MCIN
AFOUT
C234
47p
PTIN
CB10
CB11
CB12
CB13
C365 C366 C367 C401
47p 47p 47p 47p
R217
470
AFVI
VCC
HV
IC19 C354 C414
F1
0.1
KAB 0.001
BU4053BCFV
2402322NA29
+5V
1 16
Y1 VDD
2 15
Y0 Y
3 14
Z1 X
4 13
Z X1
C356
5 12
R376 Z0 X0
47p
6 11
1k
INH A
R330
7 10
VEE B
4.7 8 9
VSS C
MAPD
INT SP: 0V
EXT SP: 4.3V
SPCN
R285 10k
AFOUT
C355
R278
C413 0.001
R277 1k R325
1k 0.1
10k RES
R279 1k XRXD
XTXD
R280 1k
MD2
C451 C452
D30 R284
47p MA8062 M 1k 0.1
C428
0.1
D34 D35 D36
MA8056 M
MA8056 M MA8056 M
[GT]: IC-F30GT/F31GT DSIN
+5V
[GS]: IC-F30GS/F31GS
[F30G]: IC-F30GT/ IC-F30GS
[F31G]: IC-F31GT/ IC-F31GS
MICO
HV
C359 C358 C357
0.001 470p 47
BDET
VOXT
C318
L53
0.01
1µH
BUSY VCC
AUX
T5V
SIG1
REF
S5V
OPT11
+5V
OPT12
C427
OPT13 R341 C105 R52 100
R54
4.7
27k 0.001
APST 100 4 3
X1
DIN
C104 CR-667
RGS1 0.1
15.600 MHz
C106
0.1 IC2
C103
5
R55 22k TC75S51F
SPLO 1
10p
4
C107
3
FRCN 47p
R53 1 2
2
+5V 220k
BEP1
LVIN
PLRS
AFON
R58 1k
R57
2k
SCK C99 47p 1
D CLOCK
SO 2
DATA
PLST 3
STROBE
ULCK 4
VSS
F 5
RFIN
6
RFIN
7
VCCP
8
REFIN
C95 C96 C97
R307 9
C98 RA
100k C108 R59 C91 47p 47p 47p 10
0.01
AUXIN
47p 2k 47p
R67
100k
C83
R62
L28
0.01
C439
1.2k
1.8µH
0.001
REM
BEP2
C87 L27 C86 C85
1.8µH
3p 5p 2.5p
VCOS
S5V
C
R5V
W/N FILTER FI2 SFPCA450KE4A
2 1
E
D15 D16
3
DAN202U R81
DAN202U
FI3 SFPCA450KG1A
SCK
4.7
1 2
SO
R347
CCS
3
4.7
CIRQ R82
15k
SI
R78 R80
R77 R79 R86 C112
R73
22k
15k 22k 12k 82k 220p
100k
C110 C423
R88
RMUT
0.1 0.1
47k
R75
R85
100k
C267 330
MMUT 0.01
C111
Q16
220p
R87
DTA144EUA
3.9k
RX: 4.6V
TX: 0.1V
S5V
C229 C228
47p 470p
R317
C216 C397 C399
470k
A 0.0047 0.0047
0.047
R168 R172
39k 68k
C398 0.0047
C227 C226
0.033 0.047
R187 4.7k
Q27
R189
470 AF FIL
2SC4213 R184
R186 R185
12k
68k
120k
C230
+5V 10
Q45
R288
R188
10k
UN911H
100k
VCC
L47
B
1.0µH
MCOT
MCIN
VAG
AFOUT
MICI
C432
0.1
R190
100k
C421 R298
Q46 0.1 100k D46
MA742
DTC144EUA
VCC
S5V
+5V
R5V
T5V
Q29
2SA1362 R196 R198
RX: 5.0V
C236 C237 C238 10k 10k
C235 TX: 0V
RX: 0V
22
22 22 22
Q30
TX: 5.0V
R195 2SA1362
4.7k
C240
C239
R197
0.01
RX: 5.0V 0.01
4.7k
TX: 0.8V
RX: 0.8V
DC SW
TX: 5.0V
RX SIGNAL
S5V
C446 820p
R363
IC31
100k
R365 R366 TC75S51F
39k 82k 5
R276 1
4
47
C445 3
R364
2
0.022 C447
C353 100k C448
820p
0.0012
0.001
R368
R369
390k
180k
C449 R312
0.1
22k
R362
5.6k
C393
R313
1 33k
TX SIGNAL
R5V S5V
R206 100
R207 C252
C251
22k 470p
R210 390k 2.2
VOX
C248 C249
0.018 0.018 D29
5
1
MA2S111
4
3
C250
R209 R212
470p
R208 R211 2 IC18 C253
330k
1.8M
15k 1.2k 0.001
TA75S01F
MAIN UNIT
12 - 1
VCC
T5V
S5V
R48
10k
15.6 MHz 970 mVp-p R50 C100
1k 0.001
LV
Q14
C430
CP7
2SK880Y 0.001
C102
0.0047
C101 R49
R51
0.001 6.8k
10k
FLAC N PLL
W4
C109
R46
0.1 4.7k[F30G]
12k[F31G]
L25 R44 R43
1.8µH 6.8k[F30G] 820[F30G]
VDD 20
4.7k[F31G] 1.5k[F31G]
TEST 19
PLL
LOCK 18
IC1 RF 17
C74 C431
R45
RN 16
0.001
SA7025 0.047
VDDA 15 10
PHP 14 C78
DK-T
PHI 13 0.001 C76
VSSA 12 100p
C80
PHA 11
R47
0.1
10k[F30G]
C77
20K[F31G]
C81
0.1 [F30G]
R61
47p C79
L26 0.22[F31G]
220k 0.1 [F30G]
1.8µH
0.001[F31G]
C82
× 3 MULTI
10p
C84
Q15
12p
2SC4116
VCOS
PLLIN
S5V
R5V
RSSI
R90 R91
R89
47 10k
X2
1.5k
IF
CDBCA450AY24
C124
IC3 TA31136FN
C125 R96
10
100p 3.9k
1 16
OSCIN MIXIN MIXIN
C113 2 GND 15
OSCOUT
0.01
3 14
C420 0.001
MIXOUT N-REC C123
4 N-DET 13
VCC 100p
5 12
IFIN RSSI
6 11
DEC IFOUT
C120
7 10
FILOUT QUAD
0.001
8 9
FILIN AFOUT
R95
C117
C114
4.7 L42
C118 C122
0.1 C115 Q17 0.001
C119 1.8µH 47p
0.001
0.001
2SC4116 0.001
R94
3.3k
R92
R93
C422
47k C116
0.1 47k
470p
A
MSKGS
MSKIN
IC7A
RXIN
NJM2902V
C192
R183 VAG
C217 0.1
0.0047
1.5k IDCIN
TXFO
C225
R175
4
0.047 5.6k
3
1
C218
2
0.0047
11
VAG
C455
0.1
C232
C203
0.0022
0.0022
R370
R166
47k
R371
10k
22k
Q47
2SC4116
R373 R372
C233 0.1
33k
0.1 4.7k
VAG
AFOUT
C434
C195
C433
0.1
47p 470p
B
VCC
VCC
5.0V CPU5V
5.0V
+5V
MICI
R203
Q31
10k
2SA1362
Q32
5.0V
2SB1132
REG
6 5 4
R200 Q33 IC12
7.5V
10k
XP6501 AN8005M
R199
C241 R202
4.7k
1 2 3 1k
0.01
O
I
G
R201 C247
C242 C243
C246
2.2k C244 10
4.7 47
0.9V 0.001 0.001
C
IC17
C450 LC73872M
0.1
1 14
INPUT VDD
L45 2 13
NC NC
3 EST 12
1.8µH
PD
4 11
C254
OSCO STD
5 10
4.7
R367 OSCI ACK
6 9
C385
1.5k C384 NC SD
0.1 7 8
0.001
VSS LOADB
R225
C257
100k
C386 0.1
DTMF DECODE
47p
XOUT
VIN2
R157
TONE
22k
S5V
Q43
R314
R315 2SC4116
33k
33k C443
R316 0.001
C395 2.7k
C394
R218
68p
0.018 39k
C396
1
S5V
R5V
R5V
RX SIGNAL
IC20B
R273
NJM2904V
22k
5
R275 R274
7
22k 22k
6 RXDT
C348
C351 0.1
0.1
C352
0.039
C349
C350
0.0068
0.01
DUSE
DUSE
Q41
DTC144EUA