Kenwood NX-900 Service Manual page 111

A B C D
NX-900
PC BOARD
1
TX-RX UNIT (X57-8060-10) (A/2)
Foil side view (J79-0302-19 A/2)
2
Ref. No. Address Ref. No. Address Ref. No. Address
IC401 7M Q5 10I Q903 11R
IC402 6N Q6 10J D3 11I
3
IC404 6P Q7 10K D4 11J
IC405 5N Q8 10J D7 11H
IC408 5M Q9 10I D8 11J
IC409 7N Q10 9I D10 11H
IC501 12P Q150 7I D11 11J
4
IC503 12Q Q151 7J D12 11I
C284
IC504 10N Q203 8E D14 11J
IC506 10P Q204 9D D101 9H
IC508 10O Q205 10D D103 5D
C187
IC509 9P Q208 10G D109 6G
5
IC510 11O Q401 3P D201 10E
C185
IC511 9O Q402 4P D205 9H
IC701 12M Q404 4P D401 3O
IC702 8N Q407 5P D403 4P
D925
IC703 12L Q408 5P D406 3P
6
IC704 10M Q409 7O D407 4N
C255
IC705 12L Q410 7N D409 4N
IC706 8M Q412 6N D412 5N
IC707 12M Q413 5P D502 13O
7
IC708 8N Q414 5P D702 11L
IC709 8O Q415 7O D703 11L
IC710 11M Q416 5N D704 7O
IC711 11L Q420 9I D705 8O
IC713 11K Q701 12K D706 9L
CN505
8
IC714 11L Q702 11L D707 9M
IC716 11F Q703 12M D920 7E
IC717 10Q Q704 7P D921 7E L206
IC718 13O Q705 8P D923 7E
C238
IC719 9L Q706 8R D924 7E
9
R235
IC720 9M Q707 8R D925 6D C242
L208
Q2 7G Q708 10L D926 6D
Q4 9J Q710 5Q D927 11I
C243
R244
10
C246
CN510
11
Component side
Layer 1
Layer 2
Layer 3
12 Layer 4
Layer 5
Layer 6
Foil side
13
14
E F G
C946
C189
C947
L113
C195
C188
C945
CN513
CN511
C194
TH102
D103
C941
C940
D926
D109
R971
CN502 CN504 CN508
D921 D920
R48
D924 R73 R78 C114
D923
C140 L27 C126 G S
C247 Q2
C932 L906
G D
C124
R51
L9
CN503
C216 C214 Q203
L201
C97
L204
R940
R207 C208
C215 C211
R232
R346 C348
L205 C234
R941
C929
CF201
C240
R201
R243
R340
C261
L207
R341
R324 R265
C331
C330 R343 R262
R205
C264
R267
L209
R266 R269
L221
R233
CN507
R24
C95
L215
4 3
IC716
6 1
C96
L8
XF202
R257 R258
L910 C964
H I J K
CN520
C152 C648 C153 L152
R98
R154 R159 C112 C155
R99
L159 C169 R168
C109
R613
C176
R161 C118
C156
R171
R173 C115 C164
C166
R165
R172 C117
C174
R101
C110
R174 R160
CN527
C982
R938
C163 C160
L444
R55
R90
R523
C154 C970
C65
R67 C971
R68 L36
C56
6
L26
C84 Q4 7
C111
C83
Q10 IC719
C177
R66
C71 12
C182 R63 C977 13
R64
4 3
R70 C79 C80
S Q7
C774
C979 D
6 1
Q8 G R836
Q9
R62 C53
L21
C73
R977
R58
C69
C66 R976
R800
L17
L18
R803
C67 R810
C64 C52
C60
L16 R59
D14
R57
D927
R110
L15
C797
L7
L40 C50 L6 R41 C45
C716
R709
C821
R838
R718
C826
C705
R715
R712
C709
L518
L M N O
TX-RX UNIT (X57-8060-10) (A/2)
Foil side view (J79-0302-19 A/2)
D401
C475
C445 L405
C446 +
D407
C468
D409
1 6
R430
C443
C454 IC405
C441
3 4
L404
C474
R432
D412
R440
C463 R447
Q416
C456
C453
R437
C409 C426
C433
C413 C424
R446
Q412
G
D
R456
S
Q410
Q409
R405
Q415
4 3
IC409
D704
1 R784
5
C750
C744
R722 R716 C707 C729
R749
1 8 R767 C751
R724 R787
1 8 IC708
R768
IC706 4 5 D705
R725
R765
4 5
C715 R759
C748 R766 C770
1 8
C706 IC709
5 4
4 5
R714
R774
IC702
R710 8 1 R801
R731
R806
C720
R822
D706
C819
C776
1 5
C777 IC720
3 4 C781
C652
1
24
R849
R723 R700
R574
IC511
19
R733
C789
18
C532 C531
4 3
R818 R821
IC704
C799 5 1
R916
R581
R817
C714 R717
1 6
3 4
IC504
IC508
R795 R790
R805
C779
R814
C792 R792
R791 C542
4 3
IC714
C769
5 1 C541
C761
R788
R807 R808
C796 C786 R783
C768
R845
C740
R577
C738
R720
R843
R771 R606
D702 R691
C719 R755
R605
G
D
R763
1 8 S R692
IC705
Q703 C746
R607
4 5
R746
R587
R761
R608
R756
R610
R503
C735 R568
C723
C533
R740
1 8
R713 R847
IC703 4 3
R737
4 5 5 1 C708
R992
IC701
L507 C939
P Q R S
NX-900
PC BOARD
C811 C810
R410
D406
Q401
C479
Q402
R825
G
C801
Q404 D C802
C415
S
Q414
C804
C803
Q710
Q413
R419 R418
C597
NC/RSSI 1
SB
SB
C611
SB
SB
SB
SB
AFO C610
DI/RTS
50C C609
GND
Q704
DEO
C608
MI2
ME
C607
GND
RXD0
C606
AUXO2
TXD0
Q705 AUXO1 C605
AUXIO9/CTS
AUXIO5 C604
AUXIO8
AUXIO4 C603
TXD2/AUXIO9
AUXIO3 C602
R815
RXD2/DI
C793
AUXIO2 C601
R809
AUXIO1
C773 AUXIO7/BER DT C600 R812
AUXIO6/BER CK 30
C599 G
D
C598 S Q706
C795
CN509 CN506
R541
R951
R557
C517
R962
C955
R538
C953
R532
C954
R990
R554
R525
R952
R512
R697
R511
R528
C512
R841
R455 R451 R508
C508
C506
R510
R540
R515
R520
R994
C958
R953
C957
R954
C522
R552
C488
R998
C501
C502
R551
R681 C520
R683
1 4
R682
2 3
C523 R509 R504 R522
IC506
J79-0302-19 A/2
1
2
3
4
5
6
7
8
9
10
11
12
13
14