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Icom ic-2730A

Icom ic-2730A
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10-5
• MAIN UNIT (4/8)
4.99V
3.30V
Pin 1:0.16V
Pin 2:0.76V
Pin 4:1.58V
Pin 5:1.03V
Pin 6:1.46V
4.99V
W:4.87V
N:4.88V
Pin 2:0.76V
Pin 6:1.46V
Pin 5:0.98V
Pin 1:0.16V
Pin 4:1.54V
3.30V
FM:3.06V
AM:0.09V
AM:0.30V
FM:2.84V
R:4.90V
N:4.87V
W:4.86V
R:4.78V
R:3.97V
R:0.02V
R:0.73V
R:5.08V
R:3.02V
R:1.13V
R:2.79V
R:4.98V
R:2.98V
R:2.73V
R:1.14V
R:5.06V
R:3.01V
R:2.78V
R:1.13V
R:5.00V
R:2.73V
R:2.98V
R:1.14V
R:4.90V
R:4.00V
R:0.02V
R:0.73V
R:4.78V
1k
R551
DB2S31400
D115
0.1
C742
C721
0.1
C709
0.001
C700
0.0018
10k
R467
R544
0
C724
0.1
LDTA144EE
Q124
10k
R576
10
C751
100k
R553
0.001
C777
150k
R573
D109
DA2S10100L
0.001
C774
0.0033
C756
L_AGC
R503
10k
0.1
C725
0.1
C705
X102
JTBM450CX24
REFMOD
22k
R528
C716
0.0068
R_R5
0.1
C728
0.01
C714
DMG504010
Q126
1
2
3
4
5
6
0.01
C758
LTWC450H
FI102
IO
C768
10P
22k
R519
0.1
C697
33P
C790
C693
0.01
VCOMOD
10
C750
Q128
LDTC144EE
C722
0.1
TC74VHC4066AFK
IC119
14
14
7
7
10
C767
C755
0.001
R484
12k
R488
10k
0.001
C679
0.001
C778
0.1
C696
NJM2552V
IC120
1
OSC[B]
2
OSC[E]
3
MIX_OUT
4
GND
5
AM_IF_IN
6
AM_DEC
7
FM_IF_IN
8
FM_DEC
9
FM_IF_OUT
10
QUAD_IN
11
FM_AF_OUT
12
AMP_IN
13
AMP_OUT
14
AM_AF_OUT
15
AM_SW
16
RSSI_OUT
17
RF_AGC_OUT
18
AM_AGC_IN
19
V+
20
MIX_IN
LDTA144EE
Q123
0.01
C789
0.001
C746
R542
0
0.1
C698
R472
15k
47P
C730
C720
0.1
L_R5
TC74VHC4066AFK
IC119
8
A
9
B
6
C
C704
0.033
0.001
C799
0
R513
R471
15k
R523
100
0.01
C745
C694
0.022
R481
12k
R469
100k
R497
68k
C760
0.033
0.001
C684
22k
R526
10
R533
0.0033
C757
2SC4215
Q138
D112
DA2S10100L
DMG504010
Q125
1
2
3
4
5
6
0.1
C706
150k
R574
0.01
C783
DB2S31400
D116
C717
0.01
470k
R549
12k
R518
C780
0.001
R506
68k
2.2M
R530
C691
0.01
X101
JTBM450CX24
D107
DA2S10100L
C749
0.001
10
R534
R502
15k
47k
R524
0.1
C743
LMV321IDCK
IC123
1
2
3
4
5
LTWC450E1
FI103
IO
0.01
C715
C752
0.1
C701
0.01
0.01
C796
D110
DA2S10100L
100k
R569
R532
2.2k
Q127
LDTC144EE
0.1
C723
LDTA114EE
Q119
0.001
C683
4.7
C764
LDTA114EE
Q129
C686
0.0022
0.01
C786
0.001
C784
0
R514
C732
0.1
LDTC144EE
Q122
C773
0.1
R540
470k
C719
0.01
R501
15k
C761
0.033
C748
0.001
10
R525
LDTA114EE
Q120
R499
68k
D108
DA2S10100L
R487
10k
0.001
C779
C699
0.0018
PCON_V
D105
DA2S10100L
R516
470
0.33U
L200
0.01
C744
0.001
C776
2SC4215
Q137
C710
0.001
0.01
C782
C718
0.0068
LDTA114EE
Q130
0.01
C821
R545
47
0.1
C727
100k
R554
LDTC144EE
Q117
0.001
C680
R515
470
Q133
2SC4738
470
R562
R483
12k
R_2LO
R482
12k
0.01
C809
10
R527
1
C788
R531
2.2k
R492
68k
L_2LO
LRB706F
D114
47P
C733
R504
10k
47P
C792
0.1
C707
R470
100k
10k
R468
LTWC450H
FI100
IO
TC74VHC4066AFK
IC119
4
A
3
B
5
C
47k
R522
10
C766
C781
0.001
0.1
C708
0.1
C729
R546
47
0.001
C787
10k
R575
LTWC450E1
FI101
IO
C713
0.1
C703
0.033
LRB706F
D117
D106
DA2S10100L
470
R559
LMV321IDCK
IC122
1
2
3
4
5
R491
68k
0.1
C726
C702
0.01
LRB706F
D113
PCON_U
0.1
C695
R505
68k
TC74VHC4066AFK
IC119
1
A
2
B
13
C
1k
R557
0.01
C791
R498
100k
R_AGC
Q134
2SC4738
0.01
C759
0.01
C793
1k
R548
R500
100k
NJM2552V
IC121
1
OSC[B]
2
OSC[E]
3
MIX_OUT
4
GND
5
AM_IF_IN
6
AM_DEC
7
FM_IF_IN
8
FM_DEC
9
FM_IF_OUT
10
QUAD_IN
11
FM_AF_OUT
12
AMP_IN
13
AMP_OUT
14
AM_AF_OUT
15
AM_SW
16
RSSI_OUT
17
RF_AGC_OUT
18
AM_AGC_IN
19
V+
20
MIX_IN
C769
10P
10
R568
C735
0.1
LDTC144EE
Q132
C753
0.1
C688
0.0022
4.7
C765
C754
0.001
LDTC144EE
Q118
470k
R552
22k
R520
LDTC144EE
Q121
100k
R570
0.01
C794
10
R567
0.001
C798
LRB706F
D118
0.001
C741
TC74VHC4066AFK
IC119
11
A
10
B
12
C
0.001
C740
2.2M
R529
C772
0.1
1
C785
0.01
C797
1k
R558
12k
R517
R521
100
0.01
C795
R539
470k
LDTC144EE
Q131
0.001
C775
D111
DA2S10100L
0.33U
L201
C692
0.022
R489
3.9k
R485
33k
R474
100k
R479
330
1
C816
1
C828
R486
33k
R490
3.9k
R480
330
R476
100k
R507
1.2k
R509
1.8k
R508
1.2k
R510
1.8k
56k
R561
56k
R564
FL-442
FI104
1
IN
2
OUT
3
GND
4
GND
5
6
12P
C803
100k
R583
100k
R584
0.001
C813
C2012C
L205
18P
C810
0.001
C806
4.7k
R601
100k
R670
100k
R671
0.001
C869
0.001
C868
18P
C867
C2012C
L206
0.001
C808
0.001
C871
C2012C
L208
C2012C
L207
0.001
C874
0.001
C875
0.001
C807
100k
R599
100k
R677
100k
R602
0.001
C820
0.001
C823
100k
R678
0.001
C872
4.7k
R594
FL-481
FI105
IN
2
OUT
3
GND
4
GND
56
LDTC144EE
Q147
LDTC144EE
Q148
LDTA144EE
Q142
LDTA144EE
Q141
R_VLO
L_VLO
R_ULO
L_ULO
R_VR8
R_UR8
L_VR8
L_UR8
L_VRF
L_URF
R_VRF
R_URF
2775
MP207
1
2
3
4
2775
MP203
1
2
3
4
150
R676
150
R598
150
R669
150
R588
68k
R585
68k
R667
68k
R595
68k
R674
82k
R675
82k
R596
82k
R668
82k
R586
560
R578
560
R577
100
R579
6P
C802
22P
C822
22P
C873
BAR88
D119
BAR88
D120
BAR88
D121
BAR88
D122
3SK293
Q143
3SK293
Q144
3SK293
Q145
3SK293
Q146
0.001
C878
0.001
C879
330
R582
330
R665
330
R592
330
R672
2.7k
R589
10
R580
1.5k
R593
2P
C805
1P
C801
1P
C811
8P
C817
82N
L209
8P
C824
82N
L210
2.7k
R666
1.5k
R673
120P
C762
120P
C770
R541
2.2k
120P
C763
120P
C771
R543
2.2k
12P
C818
R473
270k
R475
270k
R493
1.8k
R494
1.8k
R495
1.8k
R496
1.8k
220
R560
220
R563
0.001
C892
5.6N
L211
1P
C884
15N
L215
1P
C888
15N
L213
2P
C886
15N
L214
2P
C887
0.5P
C889
47P
C747
R_AMC
R_DTCSIN
R_WXALT
R_RSSI
R_WN_SEL
R_SQL
L_AMC
L_DTCSIN
L_WXALT
L_RSSI
L_WN_SEL
L_SQL
L_AMC
R_DET
R_SQLINL_SQLIN
L_DET
VCOMOD
REFMOD
PCON_U
PCON_V
R_R5C
L_WN_SEL
L_R5C
R_AMC
R_WN_SEL
*: Refer to the PARTS LIST for the value and name of component.

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