Block Diagram - Icom IC-R30 Service Manual

SECTION 8

BLOCK DIAGRAM

ANTSW_3V
Q2 D1024 0.10MHz~1.895MHz
BAR
RF
LPF
ANTENNA SW
D1,D2
ANTSW_3V
B1_3V B1_3V
LIMIT
B2_3V
B2_3V
B3_3V B3_3V
1.9MHz~14.995MHz
Q1 RF RF
BPF
SW SW
3VS
ATT
ATTC D8~D10 D20~D23
0.1~30 MHz
EARSW
Q3,D4,D5 15MHz~30MHz
RF
BPF
SW
A50M_3V
AAGC
30MHz~108MHz
Low Band
~380 MHz RF RF
BPF
SW AMP
Q24,D42
D6
LPF
30~108 MHz
AVHF_3V
BVHF_3V
108MHz~174MHz
RF
RF
HPF
SW AMP
Q5
D7
108~174 MHz
A200M_3V
B200M_3V
RF RF
LPF
SW AMP
Q21
D37
BBPF1
BSHIFT3
174~380 MHz
BPF
AUHF_3V
BUHF_3V
High Band
380 MHz~
~550MHz
RF RF
HPF LPF
SW AMP
D53
380~550 MHz
1G_3V 600M_3V
1GC 800M_3V
IC1,Q47
D56,D57 600M
D80,D1022
550~833 MHz
RF RF
HPF LPF
SW SW
800M
HPF
833~1305 MHz
1G_3V
D54 D1018,D1019
1305~3305 MHz RF RF
HPF LPF
SW SW
BC_3V
A50M_3V
RF
SW
D32,D33
BC_3V
AAGC
D34,D52,D69,D70
RF
AMP
RFSW
Q11,D27
AVHF_3V
AAGC
Q9,D17,D25
RF
AMP
BVHF_3V
BBPF1 BAGC BBPF2
RF
BPF BPF
AMP
Q10,D26
D16 D29,D31
D36,D51,D73
A200M_3V
AAGC RFSW
RF
AMP
Q26,D46
B200M_3V BBPF2
BSHIFT3
BAGC
D39,D40 D44,D48,D49
ARFC,AVHFC,A200MC,AUHFC,ANTSW
D1014 D1011,D1012
AAMC,BCC,B1C,B2C,B3C,A50MC,NBC
AVCOC,WFMC,1GC,800MC,600MC
RF
BPF
AMP
Q25,D43
D47
AUHF_3V
AAGC
Q28 Q31,D63,D66
RF
AMP
BBPF1 BUHF_3V BBPF2
D60,D61
Q30,D65
RF
BPF BPF
AMP
600M_3V D67,D68
600M_3V 800M_3V D71,D72
800M_3V
AAGC
RF RF
SW AMP
Q29,D64
D58,D59
D530~D532
LOSW
×2
1G_3V
1G_3V
D1016,D1017 D527~D529
IC2
IC3
RF RF
LOSW ×3
SW AMP
DOWN CONVERTER
BCC MAIN
A50MC
Q48,Q49,Q1016
REG
SW
A-Band 1st MIXER
D1013
FI2
IC6,D1015
IC4
RF
RF
BPF
AMP SW
266.7MHz
FI501
Q507,D505
XTAL IF
BPF AMP
58.05MHz
IC509
Q532 IC508
PLL LO
BUFF
VCO AMP IC505b~IC505d
AGC
DET
A-Band 1st VCO
REF
SW
Q528,Q529
×3
D525,D526
B-Band 1st VCO
Q523
Q525,Q528
D512,D513
Q526
D515,D516
LO
BUFF
AMP
Q530,Q531
Q533,Q534,Q537
D518,D519,D521~D524
FI3
Q39
XTAL
BPF
B-Band 1st MIXER
46.35MHz
A200M_3V,AUHF_3V
AR3,AVHF_3V,AAM3
BC_3V,B1_3V,B2_3V
WFM3,1G_3V,800M_3V
B3_3V,A50M_3V IC20
NB_3V,AVCO3
600M_3V,ANTSW_3V RX ARF3
+3V
SW REG
IC21
BUHF_3V,BR3
BVHF_3V,B200M_3V
BSHIFT3,BAM3 RX BRF3 IC16
+3V
SW
REG
BPLL3
+2.5V
REG BPLL3C
BRFC,B50MC,BVHFC,B200MC,BUHFC
BSHIFT,BAMC IC24 IC19
GVCO3 +2.5V 3VS +3V
REG
REG GVCOC
IC23 IC22
2VCO3 PLL3
+2.5V +3V
REG AVCO2C REG
Q544
Q542 Q547,D535,D536
LO LOOP
BUFF
AMP FIL
A-Band 2nd VCO
Q551
Q546,Q548 Q550,D533
LO LOOP
BUFF
AMP FIL
A-Band GVCO
Q549
IC510
LO
AMP
PLL
IC
Q545
LO
AMP
57.6MHz
8-1
WFM_3V
OTHER_3V
A-Band 2nd MIXER
FI500
FI1001
Q505
Q502
CERAMIC
MODE CERAMIC IF
SW BPF AMP BPF
D502,D503
10.7MHz
NB_3V
NB_3V
Q516,Q512
IF
AMP DET
Q518,Q515
IC506
IF
AMP
AAM_3V AANLC
A-Band DET
IC504
AM
ANL
DET
IF IC
Q511,D509 Q513
A-Band AM DET
IC505a
WRSSI ANSQL
NOISE
AMP
A-RSSI
SSB_RSSI
IC503
Q540
X501
BUFF
57.6MHz
X500,Q535
15.3MHz
LOOP
FIL
Q524
LO
AMP
BAM_3V
IC500
Q501,D500
IF
IF IC
AMP AM
DET
B-Band DET Q506,D507
B-Band AM DET
IC501b~IC501d
IC501a
AGC BNSQL
NOISE
DET AMP
AF
DC PCON2
SW
IC1013,IC1016
Q1008,Q1011~Q1013,D1020
Q6,Q7
CHG
CTRL
IC15
APLL3 +3.3V
REG
IC17
FAF5 +4.2V
DC-DC PCON2
REG
+5.3V
IC1014
IC1015
5VS +5.0V
REG
IC502
AWFM_DET
WFM DET
WRSSI WRSSI
AAM_DET
NB_3V
NB NB
SW
Q519~Q521
AFM_DET
Explanatory notes
COMMON Line
RX Line
Voltage Line
BFM_DET
BANLC
BAM_DET
ANL
Q508
VCC
CHG_DET
BAT_DATA
BAT
+
D
BATTARY
T
-
BAT
USB_D-
USB_D+
USB
J5
IC1000,Q1001
VOLTAGE USB_VBUS 1 8
1
PROTECT
USB_D- 2 9
2
USB_D+
3
3
10
4
4
5 11
5
5VS