Icom IC-R30 Service Manual page 52

• MAIN UNIT (2/5)
ARF3
R1108
0
1SV308
D1018
1SV308
D54 C180 C184 L556 L557
3P 3P 2.7N 3.9N
1SV308 D1019
C1089
C1088
0.5P
1.5P
C192 L60 C1111
3P 5.6N 0.001
IC1
1 6
P1 VCTL1 C193 C179
2 5
D1022 D80 C178 GND PC
3 4
P2 VCTL2
27P 8P
1SV308 1SV308 27P L39
NJG1801K75
18N
AAGC
LDTA144EE
Q47
D53 C286 L55 L57 L59
0.001 18N 15N 10N
1SV308
C1050
C194
1P
1.5P
BRF3
R1109
0
1305~3305 MHz
D1016
1SV308
IC2
D1017 C1092 L58 L85
RFIN RFOUT
4 2
0.001 6.8N
1SV308 2.7N
GND VINV
5 1
NJG1108HA8
R151
0
833~1305 MHz
C181 D56 C203 C207 4P L67 D58 C228
12P 3P C214 3.9N 1SV308 0.001
7P 1SV308
550~833 MHz
D59
D57 C185 L62 L65 L66
1SV308 0.001 10N 12N 15N 1SV308
C206 C215
1.5P 0.5P
D66 DB2S31400
D63
DB2S31400 R146
10k
380~550 MHz
R136 R138
C217 C227 L70
0.001 0 100 0.001 18N
Q28
BFR193F
D65 DB2S31400
D62
DB2S31400 R145
10k
C226
Q30
BFR193F
10P
R140
47k
1.5 GHz: 2.9 V
Q32 EP1013
MMZ1005Y102CT
LDTA123YET
C249
270P
R1096
0
R1097
0
R1098
0
IC3
1 6
R1099
LO SHDN
2 5 0
GND VCC
C237
3 4
RFIN IFOUT
270P R1100
MAX2680EUT+ 0
R1101
0
R1102
0
R211 D69
C240
270P 0 1SV308
MT4S300U
Q29 IC4
R171
C257
6 3
0 0.1
BGA2803
R158
850 MHz: 3.0 V
47
LDTA123YET
Q33
D74
L1SS400
600~800 MHz: 3.0 V
LDTA123YET
D75
L1SS400
600 MHz: 3.0 V
Q35
LDTA123YET
R162
10
C241 R212
C251
0.001
0.001 0
Q31
BFR193F
R161
10
C239 L78 C256 D73
4P 0.18U 4P 1SV308 R175
0
9-6
R165
5.6
Q49
Q48
LDTC144EE
2.8 V LDTA123YET
Q1016
LDTC144EE
R178
10
R188
10
IC6
1 6
LO SHDN
2 5
R181 1SV308 GND VCC C267
C261 C291 L92
3 4
RFIN IFOUT
0.1 150 D1013 270P 22N
3P
MAX2680EUT+
A-Band 1st Mixer
Q34
BCC
B1C
B2C
B3C
A50MC
AVHFC
A200MC
BAGC
AAGC
3VS
EP1011
MMZ1005Y102CT
BBPF1
BBPF2
AAGC
Q36
A-Band UHF: 3.0 V
LDTA123YET
EARSW
ATTC
ANTSW
BVHFC
B200MC
Q38
BSHIFT3
LDTA123YET
BAGC
Q37
B-Band UHF: 3.0 V
LDTA123YET
C259 R180 L93 R185
10N
0.001 0 0
C268
BBPF2
Q39
BBPF1
0.001 3SK293
C270
0.001
Explanatory notes
RX Line
Voltage Line
* Refer to the PARTS LIST for the value and name of component.
ARF3
MAIN UNIT
(5/5)
1GC
MAIN UNIT
G_LO
(4/5)
AGVCO3V
MAIN UNIT
(3/5)
GLO1
Q40 Q41
R197
MAIN UNIT
ARFC
(5/5)
4.7k
LDTC144EE
2SA1832
MAIN UNIT
A1LO
(4/5)
MAIN UNIT
AR3
(3/5)
2.9 V
FI2
NSNJ7209
L82
L83 L559
1 2 MAIN UNIT
A1IF
(3/5)
0.1U 0.1U 0.1U
800MC
BCC
B1C
MAIN UNIT
B2C
(5/5)
B3C
A50MC
AVHFC
A200MC
BAGC
MAIN UNIT
AAGC
(3/5)
3VS
600MC
BBPF1
BBPF2
AUHFC
EARSW
ATTC
ANTSW
MAIN UNIT
(5/5)
BVHFC
B200MC
BSHIFT
BRF3
BUHFC
Q46
R201
2SA1832
BRFC
Q42
4.7k
LDTC144EE
3.0 V
MAIN UNIT
BR3
(3/5)
R200
100
FI3
R204
MAIN UNIT
C274 R199 GND OUT B1IF
3 2 (3/5)
IN GND 270
1 4
0.01 0
FL-487
B-Band 1st Mixer
MAIN UNIT
B1LO
5.0 V (4/5)
Q43 Q44
R202
4.7k
2SA1832 LDTC144EE
5VS MAIN UNIT
5VS
(3/5)