Icom IC-7851 - Page 155

9-12
*: Refer to the PARTS LIST for the value and name of component.
FTR-B4CA009Z
RL421
0.0018C482
0.01
C426
AAFOUT_A
1K
R484
1K
R422
LDTC114EE
Q422
0.0047
C707
0.0018
C484
0.01
C427
0.1
C704
330
R425
NJM4580M
IC701
6
5
7
10K
R492
10 CE-LH
C423
10KR491
2SD1801
Q421
100
R702
L1SS400
D421
0.1
C702
0.0018C495
LA4425A
IC421
1
2
3
4
5
10 CE-LH
C701
10K
R496
0.1
C431
1K
R499
L1SS400
D431
10K
R444
0.0047
C647
0.01
C437
NJM4580M
IC581
6
5
7
3.3K
R651
10KR498
820
R654
1K
R494
2SD1801
Q431
NJM4580M
IC581
2
3
1
DAOUT_USB
0.0018C492
FTR-B4CA009Z
RL431
1.8K
R644
1K
R432
NJM4580M
IC601
2
3
1
USB_AF_R
10KR493
56
R434
1.5K
R647
10K
R497
LA4425A
IC431
1
2
3
4
5
100
R521
0.0047
C650
0.0018
C494
LDTC114EE
Q432
100
R522
10K
R495
10 CE-LH
C433
10
C461
1.8K
R650
4.7
R433
DBOUT_USB
0.1
C462
0.01
C436
USB_AF_L
NJM4580M IC521
V+
8
GND
4
330
R435
220P
C645
10U L461
MPZ2012S331A
EP413
0.0015
C649
J412
820
R648
LPHO
J411
1K
R649
NJM4580M IC471
V+
8
GND
4
RPHO
0.0015
C646
1K
R643
100 CE-LH
C473
MPZ2012S331A
EP412
NJM4580M
IC641
6
5
7
100
R472
CD4053B
IC522
1
Y1
2
Y0
3
Z1
4
Z
5
Z0
6
INH
7
VEE
8
VSS
9
C
10
B
11
A
12
X0
13
X1
14
X
15
Y
16
VDD
NJM4580M
IC641
2
3
1
0.1
C472
10KR529
0.0022
C709
3.3K
R645
100
R471
0.0022
C706
100
R534
1.5K
R653
0.1
C474
1.8K
R705
100 CE-LH C471
NJM4580M
IC521
6
5
7
1.8K
R711
0.1
C528
220P
C648
NJM4580M
IC441
2
3
1
560P
C705
J413
1
2
34
SPK
NJM4580M
IC521
2
3
1
560P
C708MAFS
10KR524
56K
R445
SPMIXS
NJM4580M IC472
V+
8
GND
4
56K
R447
0
R414
BSPONS
56K
R450
DSCLA
PHONS
100 CE-LH
C477
330
R506
2.2K
R443
DSDAA
PMIXS
100
R474
NJM4580M
IC441
6
5
7
2.2K
R448
3.3K
R665
ASPONS
0.1
C476
330
R507
0.0068
C428
3.3K
R669
330 R413
100
R473
FTR-B4CA009Z
RL501
0.0068 C438
3.9K
R710
1 CE-LH
C425
0.1
C478
0.0018C445
3.9K
R704
1 CE-LH
C435
100 CE-LH C475
0.0018
C446
820
R708
0
R451
0.0015
C585
820
R714
0
R446
0.0015
C605
0
R525
+3R3V
0.0047
C586
0
R530
100 CE-LH
C523
330
R508
0.0047
C606
100 CE-LH C521
LDTC114EE
Q501
0.0027
C588
100 CE-LH
C443
0.0027
C608
0.1
C527
100 CE-LH
C441
0.01 C511
560P
C587
560P
C607
3.9K
R707
0.1
C442
0.1
C644
6.8K
R588
3.9K
R713
0.1
C444
6.8K
R608
0
R706
100
R642
22K
R587
0
R712
LDTC114EE
Q411
NJM4580M IC641
V+
8
GND
4
22K
R607
NJM4580M IC661
V+
8
GND
4
0.01C412
10 CE-LH
C643
10KR526
NJM4580M
IC661
2
3
1
0.01
C411
100
R641
10KR527
NJM4580M
IC661
6
5
7
0.01C510
0.1
C642
10KR531
10 CE-LH
C665
L1SS400D411
10KR532
10 CE-LH
C663
L1SS400
D501
0.0018C525
390P
C666
0.1
C602
10 CE-LH
C641
0.0018C526
390P
C664
100
R601
2.2KR464
100 R662
NJM4580M
IC472
6
5
7
2.2KR463
12K
R664
0.1
C604
NJM4580M
IC472
2
3
1
1C493
12K
R668
NJM4580M
IC471
6
5
7
1C486
470
R667
NJM4580M
IC471
2
3
1
1C483
470
R663
10K
R449
TPA6130A2RTJ
IC461
1
LEFTINM
2
LEFTINP
3
GND
4
RIGHTINP
5
RIGHTINM
6
SD
7
SDA
8
SCL
9
GND
10
GND
11
HPRIGHT
12
VDD
13
GND
14
HPLEFT
15
16 17
CPN
18
CPP
19
GND
20
VDD
21
0
R670
DAOUT_AF
0.1
C582
10
C589
0
R666
DBOUT_AF
100 CE-LH
C601
10
C609
LW-16 L421
100
R582
330
R436
1
C463
NJM4580M
IC601
6
5
7
NJM4580M IC601
V+
8
GND
4
330
R426
1
C465
10 CE-LH
C661
+15V
100R467
10 CE-LH
C662
+8V
0.1
C584
100
R661
-8V
100 CE-LH
C581
1
C464
+5V
100 CE-LH
C583
100R466
FTR-B4CA009Z
RL411
1KR461
0
R646
R412
0
1C496
0
R652
100 CE-LH
C603
0
R585
100
R581
1000 KA
C424
0
R610
MICAF
NJM4580M IC581
V+
8
GND
4
1000 KA
C434
0
R590
MICAFE
100
R602
1000 KA
C432
0
R605
100
R441
1000 KA
C422
0.0047
C710
10K
R487
3.9K
R584
NJM4580M IC441
V+
8
GND
4
NJM4580M
IC701
2
3
1
10K
R482
3.9K
R604
8.2K
R583
100
R442
8.2K
R586
4.7K
R411
10K
R486
8.2K
R606
MMZ1608Y102BT
EP411
NJM4580M IC701
V+
8
GND
4
8.2K
R603
8.2K
R589
R505
0
10KR481
8.2K
R609
PHE
DAOUT_ACC
4.7
R423
100
R533
100
R701
1K
R489
0.1
C421
0.1
C522
AAFOUT_B
10KR488
56
R424
0.1
C524
0.0018C485
DBOUT_ACC
10KR485
10 CE-LH
C703
10KR483
MAFS
ASPONS
SPMIXS PMIXS
DSCLA
DSDAA
PHONS
PHONS
MAFS
BSPONS
ASPONS
SPMIXS
PMIXS
SPK
DSCLA
DSDAA
BSPONS
SPK
MAIN-1
MAIN-6
MAIN-5
MAIN-5
MAIN-3
[EXT-SP (B)]
[EXT-SP (A)]
[INT SP OUT]
TO SW-A J105
SPE
SPO
MAIN UNIT (MAIN-2)
14.4
14.4
3.3
3.3
3.3
3.3
When the audio is output from [EXP-SP].
When the audio is output from [EXP-SP] or [INT-SP].
When head phones
connector are connected.
MAIN-1