Kenwood NX-720H(G) Service Manual page 87

Vhf digital transceiver
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A
B
C
D
NX-720H(G)/720H
1
2
Ref. No. Address Ref. No. Address
IC1
7R
Q502
30
IC301
11M
Q503
3N
IC304
3
12H
D4
10H
IC401
8M
D5
10I
IC405
7O
D6
8I
L114
IC406
9M
D7
10H
IC407
8P
D8
10J
4
IC408
8N
D9
10H
IC501
11P
D10
10H
IC502
9P
D11
C163
10J
IC503
11Q
D12
10I
IC504
12Q
D13
8I
5
IC506
9N
D14
9J
IC507
10N
D15
10J
R148
C158
IC508
11M
D16
8H
R142
IC513
8L
D17
8H
IC514
8L
D103
6E
6
R134
IC516
7M
D104
5C
R136
Q4
9J
D105
6E
Q5
8I
D106
6E
Q6
9I
D107
8E
C184
7
Q7
9J
D108
10L
Q8
9I
D109
10L
Q9
9I
D111
7F
Q10
9H
D112
8F
Q11
8H
D113
8F
8
Q102
7K
D114
8F
Q106
7I
D204
9D
Q201
10G
D205
9E
Q202
9D
R247
D206
9E
C253
Q303
C247
10K
D207
9E
9
C250
Q305
11F
D401
6Q
Q401
6Q
D403
6P
C251
C246
Q403
L212
5R
D405
9M
Q407
8O
D406
7N
Q409
9L
D407
10
7O
Q410
8O
D408
11L
Q414
11L
D409
11L
Q415
11L
D504
8L
Q416
11L
D705
5N
11
Q418
5Q
D706
5N
Q501
11M
Component side
12
Layer 1
Layer 2
Layer 3
Layer 4
Layer 5
13
Layer 6
Foil side
14
E
F
G
H
PC BOARD
TX-RX UNIT (X57-8230-1X)
Foil side view (J79-0343-09)
R171
R139
R154
C191
R152
R176
C161
R161
C151
C171
C173
D111
R169
D111
R168
C177
L116
D16
D17
D114
R204
C205
R69
D107
C86
L26
L27
R66
C234
L232
CN204
C233
R64
C84
R63
C81
CN206
C208
L25
C212
R62
L216
C214
C258
C293
R207
C215
C216
L16
C210
Q201
C209
C207
C201
CN203
R245
R205
R201
R203
D10
L317
C357
L202
C358
L6
R35
C360
CN13
C370
Q305
C361
R378
R368
C369
C368
L301
R358
R350
1
6
IC304
3
4
R351
C348
C351
I
J
K
L
TX-RX UNIT (X57-8230-1X)
Foil side view (J79-0343-09)
C119
C121
C172
L130
L104
L106
R183
R103
1
6
Q106
8
3
4
C111
C102
C118
C108
C103
9
CN11
CN10
1
R621
R34
R39
C52
C624
R622
R623
D13
D6
L1
4
1
8
L4
C4
IC514
C37
C2
4
5
C60
R624
1
6
R70
Q8
3
4
R60
Q4
C83
C80
R56
C3
Q9
D14
1
6
C58
R48
C79
R57
Q409
C5
3
4
Q7
C461
Q6
C76
G
D
C6
R55
S
R73
C74
C69
C68
R303
C77
C309
R54
L18
D109
C63
L302
D15
C57
D108
R307
C45
C54
R38
C42
R37
D8
L7
D11
C462
R36
L14
1
C317
Q414
3
CN12
Q415
R433
C323
C466
R435
R308
R440
CF1
M
N
O
P
NX-720H(G)/720H
PC BOARD
C632
5
4
8
1
Q502
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
D705
D706
R667
C788
C434
C433
C628
C629
1
IC516
C457
16
R425
R438
8
R417
Q407
IC513
Q410
CP510
5
R629
CP507
4
3
R413
IC401
5
1
R541
C408
C542
C416
R411
R512
1
6
R511
IC506
D405
4
3
R501
3
4
CN502
IC406
C531
C541
R558
5
1
R518
C536
C543
L506
C530
C506
C566
L508
R508
R549
C423
C563
C553
C559
C551
C558
R555
R580
R557
R583
CN504
C508
R554
C509
C545
C549
C544
6
C552
R599
4
R572
C548
R603
C312
R569
4
3
IC508
CP506
R568
5
1
R516
Q
R
S
1
2
3
4
R822
R405
R406
C413
5
C471
4
1
Q403
Q401
5
8
C409
6
C430
I
IC1
G
D
7
C437
C438
L805
CN416
8
CP513
C519
CN503
R531
C521
9
R524
R526
C527
C533
10
11
C535
12
J79-0343-09
13
14

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