Kenwood NX-411 Service Manual page 70

A B
NX-411
1
TX-RX UNIT (X57-8120-10) (A/2)
Foil side view (J79-0303-09 A/2)
2
3
C43 C44
4
D2
C61 C62
R71 R72
C82
5
C81
R96
R73
Q8
6
7
8
9
10
Component side
Layer 1
Layer 2
11 Layer 3
Layer 4
Layer 5
Layer 6
Layer 7
12 Layer 8
Foil side
13
70
14
C D
PC BOARD
R421 R414
R383 C375 L319
24 19
1 18
6 13
CN321
7 12
R415 R390
C6 R55 C7
R56
5 4
R57
IC9
R392 R391 R416
R58 8 1
R62
C51 C67
5 4
IC14
8 1
C66
R77
R92 C79
Q6
R95
R93 C80 C86
S
D
R94
R97
G R99
Q9
S C84
D R53
R98
G
CN311
C48
RSSI
G
D
S
1 5
CN316
IC8
TXD
3 4
R50
CN315
RXD
R30
C42 R49 R35
CN318
GND
R34 C25
CN317
C31
C2
MAN DOWN
1 5
IC4
3 4
R28 C22
R27 C1
C24
C30
R36 R38 R37 C28
1 8
IC1
CN307
4 5
R4
C4 C5
R5 R3
R1 C3
J79-0303-09 A/2
Ref. No. Address
IC1
IC2
IC3
IC4
IC5
IC6
IC7
IC8
IC9
IC10
E F
R19
R422
R20
C12 R424 R423
L316
R54 R59 C52 R46
F301
C74
R40 C18
5 4
R60
IC6
R41 R39
C53 8 1
R42
C32
C35 R16 C15 R13
C9 R7
G
D
C8
S
Q1
R10
R48
C40
R80
24 19
C39 1 18
CN310
6 13
PTT1
7 12
R21
C520
D8 R526
CN309
PTT2 C114 C526
L502
R147 R151
R517 C515
R148
R518 C516
R150
D7
TH1
D501
C113 C111
R146 C112
R513
R126
Q12
R127
C98 C97
R538
C541
5 4
C530
IC16
8 1
R545
C95
S
R115
D
C75
G
R90
Q5
CN3
ASQ
Ref. No. Address
8C IC11 7E
3F IC12 5D
6F IC13 5F
7C IC14 4C
7C IC16 8F
4E IC311 3C
4F IC502 4G
6C IC503 6G
4C IC504 8G
4E IC601 5P
G H
R501
R502
R806 C808
C833
C817 L804
C832
R509
C816
C506
C815
C508
C503 C509
C813 C814
R812
C812
R811
R810
C811
R567
C582
R81
C507 R570
C584
C583
R569
C510
L521
R519
C519
C37
R527
12 7
C528
13 6
C529
IC503
C527
R524
18 1
19 12
R536
C514
C517
+
C542
R514
+
C543
C513
4 3
C512
IC504
+
C544
5 1
+
C522
G
D Q502
S
C540
Ref. No. Address Ref. No. Address
IC801 4L Q12 8E
IC802 4J Q501 8F
IC804 4N Q502 8G
Q1 5F Q503
Q3 5A Q504 7J
Q4 5B Q505
Q5 9E Q506
Q6 5C Q507 8J
Q8 6B Q508
Q9 5C Q509
I J
R805
R808 C825
1
C822
C820
R809
C805
C826
C806
C807
12
R807 C827
R572
Q510
D513
R675
R582
C592
R676
L618
R584
Q610
C596
C601
D506
Q505
1 6
C549
C578
3 4
D511
L518
C546
R563
C579
R576
C575
L528
R564
C566
C571
R543
D507
+
C548
L505
D512
C572
R562
C573
L517
C565
Q508
L5
R560
L515 L516
R558
C567
Ref. No. Address Re
Q510 5H Q
Q601 6L Q
Q602 8L Q
7I Q604 8M
Q605 5O
6I Q606 5O
7I Q607 6Q
Q608 5P
8I Q609 4P
7I Q610 5J D