Icom ic-2730A

10-4
• MAIN UNIT (3/8)
13.6V
13.6V
3.30V
2.06V
1.46V
5.79V
5.00V
3.30V
3.30V
Pin 2:0.42V
Pin 6:7.76V
Pin 5:4.41V
Pin 1:4.02V
Pin 4:4.26V
Pin 3:1.03V
Pin 2:0.42V
Pin 4:4.26V
Pin 6:7.74V
Pin 3:1.03V
Pin 1:4.02V
Pin 5:4.41V
R324 100k
C506
0.001
R307
1k
R306 4.7k
L_AFMUTE
R300
47k
MIC_PTT
DTMUTE
LMV321IDCK
IC107
1
2
3
4
5
R409
100k
C643
0.0018
SN74AHC1G08DCK3
IC108
1
2
3
4
5
R_AFMUTE
1
C634
1
C505
1
2
D101
DZ2J047M
C603
0.1
1
C635
MMZ1005Y102CTEP101
0.1
C590
0.001
C613
R354
4.7
L_RSSI
D100
L1SS400
C516
0.001
MMZ1005Y102CTEP102
0.1
C588
TC74VHC4066AFK
IC111
1
I/O1
2
O/I1
3
O/I2
4
I/O2
5
CONT2
6
CONT3
7
VSS
8
I/O3
9
O/I3
10
O/I4
11
I/O4
12
CONT4
13
CONT1
14
VDD
R_WXALT
L_SQL
470
C557
22k
R401
R308
1k
C583
0.001
C664 0.015
R458
39k
R313 10k
L_WN_SEL
100k
R385
R446 4.7k
10
C510
MMZ1005Y102CTEP103
LDTC144EE
Q100
VOL_DATA
100P C591
C660
0.001
C550
0.1
C560
0.1
R_RSSI
C553 0.1
0.1 C570
R327 470k
AF_RSW
TC74VHC4066AFK
IC100
1
I/O1
2
O/I1
3
O/I2
4
I/O2
5
CONT2
6
CONT3
7
VSS
8
I/O3
9
O/I3
10
O/I4
11
I/O4
12
CONT4
13
CONT1
14
VDD
BTAF
R_AMC
R301
1k
5VS
0.001
C618
0.1
C600
LA4425A
IC106
1
2
3
4
5
R_SQL
22k
R394
MIC1
AF_SW
L_AMC
R436
22k
R466
12k
J103
1
2
34
3VS
BTMIC
SP1
C638
0.0039
L_R5C
R387
22k
C556
0.1
MIC2
0.022
C609
R312
22k
R_WN_SEL
8VS
BTMICSW
R322
2.2k
MICSEL
TC74VHC4066AFK
IC109
1
I/O1
2
O/I1
3
O/I2
4
I/O2
5
CONT2
6
CONT3
7
VSS
8
I/O3
9
O/I3
10
O/I4
11
I/O4
12
CONT4
13
CONT1
14
VDD
C674 0.01
L_DTCSIN
TC74VHC4066AFK
IC104
1
I/O1
2
O/I1
3
O/I2
4
I/O2
5
CONT2
6
CONT3
7
VSS
8
I/O3
9
O/I3
10
O/I4
11
I/O4
12
CONT4
13
CONT1
14
VDD
LDTC114YE
Q139
MPZ1608S221A
EP111
C503 0.001
R_R5C
470
C554
MICUD
Q102
2SC4738
L_WXALT
R464
22k
J100
1
2
3
4
5
6
7
8
0.001
C500
C614
0.1
R_DTCSIN
R319 120k
DTCS
R445 4.7k
R374
1k
0.01
C616
C555 220
R405
4.7k
LA4425A
IC105
1
2
3
4
5
100k
R380
VOL_CK
DTCS_SEL
MPZ1608S221A
EP115
0.0039
C579
C644
0.0018
0.0033
C610
C637
0.0039
C511 0.001
CLONE
C627
0.001
R435
22k
VCC
J101
MMZ1005Y102CTEP105
100k
R382
0.001
C623
R352
12k
R463
22k
0.001
C619
DTMF
VRX_RPT
C558
220
C628
0.001
C606
0.1
0.0039
C578
R317
330k
C661 0.001
MICMUTE
0.001
C514
0.001
C622
MMZ1005Y102CTEP107
URX_RPT
L_RMUTE
MMZ1005Y102CTEP106
C615
0.0033
C675 0.01
VOX
C582 0.47
LDTC114YE
Q140
C604
0.1
C585 0.47
R_RMUTE
R465
12k
MMZ1005Y102CT
EP113
R358
4.7
R303
100k
R430
47k
MMZ1005Y102CTEP104
C665
0.015
J102
R457
39k
C508
0.001
0.001
C501
C509 0.001
C576
0.47
0.1
C593
R429
47k
MMZ1005Y102CT
EP100
R320
12k
R389
22k
98_DATA
0.1
C598
R311 10k
DMC506010R
Q112
1
2
3
4
5
6
DMC506010R
Q113
1
2
3
4
5
6
100k
R603
1
C566
4.7k
R604
R376
15k
R368
15k
R355
2.2M
0 R391
0
R418
0R390 0
R417
R411
27k
R412
27k
MIC
CMICMUTE
100P
C857
390P
C855
R644
10k
C523
0.1
R645
39k
0.01
C520
100k
R612
0.047
C862
22k
R607
R632
39k
2.2k
R613
68k
R608
R628
100k
R627
3.9k
0.0039
C856
10
C522
470
R772
10
C519
0.068
C860
C521
0.033
C540
0.068
0.0056
C861
15k
R774
0.033
C866
0.001
C534
0.1
C538
R335
15k
1
C525
R2A20178
IC102
1
VIN2
2
VDD
3
LD
4
CLK
5
DI
6
VIN3
7
VOUT3
8
VOUT4
9
VIN4
10
VIN5
11
VOUT5
12
VOUT6
13
VIN6
14
VDAREF1
15
VDAREF2
16
RESET
17
GND
18
VIN7
19
VOUT7
20
VOUT8
21
VIN8
22
VIN1
23
VOUT1
24
VOUT2
25
1M
R326
L1SS400
D123
NJM2746V
IC101
1 2 3 4
5 6 7 8
Q149
LDTC144EE
NJU72341V IC110
1
NC
2
NC
3
IN1
4
IN2
5
MUTE
6
SDA
7
SCL
8
V+
9
VREF
10
GND
11
OUT2
12
OUT1
13
NC
14
NC
100k
R461
0.018
C526
150k
R609
150k
R614
39k
R610
100k
R452
100k
R451
1
C531
0.1
C533
10
C535
R640
22k
R643
150k
LDTC144EE
Q150
0.1
C504
LDTC144EE
Q151
LDTC144EE
Q152
1
C536
1
C537
100k
R438
100k
R437
100k
R410
100k
R413
10
C607
R407
330k
330k
R408
10
C602
R423
1M
R424
1M
0.01
C658
0.01
C659
R448
1M
R447
1M
R449
470
R450
470
1
C559
2.2k
R348
1.8k
R305
2.2k
R321
R637
27k
150k
R611
10
C527
10
C524
47P
C529
150k
R455
47k
R453
390P
C528
27k
R454
100
R414
100k
R328
100k
R606
100k R605
100kR415100kR416
100k
R420
100k
R421
100k
R422
100k
R425
100k
R427
100kR433
DA_STB2
DA_DATA
DA_CK
L_REF
R_REF
4.7k
R428
VCC2
0
R439
100k
R426
100k
R419
2.2k
R344
Q104
RUM002N02
Q105
RUM002N02
Q106
RUM002N02
R369
1M
R375
1M
R377
1M
L1SS400
D124
15k
R680
1
C876
1
C877
150k
R304
0.1
C513
330
R309
33k
R325
0.47
C517
NJU7058V
IC103
1
2
3
4
5
6
78
9
10
11
12
13
14
NJU7058V
IC112
1
2
3
4
5
6
78
9
10
11
12
13
14
0
R440
0
R444
R664
0
R660
0
MMZ1005Y102CT EP118
10k
R477
1
C541
10k
R459
100
R616
15k
R615
39k
R403
100k
R618
0.1 C605
1.5k
R619
2SC4738
Q153
100
R620
1.2k
R617
0.1
C880
R431
3.9k
R432
3.9k
R383
22k
R381
22k
R379
22k
47k
R681
47k
R682
10k
R443
0.22
C572
0.22
C564
120
R684
220
R683
10
C882
10
C883
0.033
C647
0.033
C648
0.001
C530
0.001
C830
0.0022
C831
0.001
C832
0.0022
C833
0.001
C562
0
R359
0
R360
0
R361
0
R362
0.47
C542
470
R302
33k
R456
10k R399 10k R396
R343
220k
MIC_PTT
MICSEL
MICUD
R_R5C
R_DTCSIN
MICUD
MICSEL
MIC_PTT
98_DATA
R_AFMUTE
L_AFMUTE
DTCS_SEL
DTCS
URX_RPT
VRX_RPT
DTMF
CLONE
VOL_CK
VOL_DATA
L_SQL
L_RSSI
L_WXALT
L_DTCSIN
L_R5C
R_SQL
R_RSSI
R_WXALT
BTAF
AF_SW
BTAF
R_RMUTE
L_RMUTE
VOX
MIC2
MIC1
L_WN_SEL
R_WN_SEL
L_AMC
R_AMC
AF_RSW
DTMUTE
R_AFMUTE L_AFMUTE
VCOMOD
R_SQLIN
L_SQLIN
R_DET
L_DET L_REF R_REF
PCON_U
PCON_V
MIC1 MIC2 MICMUTE DTCS DTCS_SEL
R_RMUTE L_RMUTE
AF_RSWAF_RSW
MICMUTE
DA_DATA
DA_CK
DA_STB2
DA_STB2
DA_DATA
DA_CK
L_REF
R_REF
VOL_DATA
VOL_CK
98_DATA
REFMOD
VCOMO2
AF_SW
URX_RPT
DTMUTE
VRX_RPT
R_AMC L_AMC
VCOMO2
CLONE
3VS
DTMF
VOX
GND
MICU/D
MIC
MICIN
EXTMIC
PTT
8V
MICE
コントローラ側MIC
CTCSS/DTCS
R_AMC
L_AMC
*: Refer to the PARTS LIST for the value and name of component.