Kenwood NX-800 Service Manual page 105

A B C D
NX-800
PC BOARD
1
TX-RX UNIT (X57-7390-10) (A/2)
Foil side view (J79-0130-19 A/2)
2
Ref. No. Address Ref. No. Address Ref. No. Address
IC204 11F Q6 10J D4 11J
IC401 7M Q7 10K D7 11H
3
IC402 6N Q8 10J D8 11J
IC404 6P Q9 10I D9 11H
IC405 5N Q10 10I D10 11I
IC408 5M Q101 7I D11 11J
C179
IC409 7N Q102 7J D12 11I
4
IC410 12J Q203 8E D14 11J
D110
R151
IC501 12P Q204 9D D101 9H C181
IC502 10Q Q205 10D D103 5F C171
C170
IC503 12Q Q208 10G D106 6E
IC504 10N Q210 7G D108 6D
5
IC505 10P Q401 3P D109 5D
R150
IC506 13P Q402 4P D110 4D
C175
IC508 10O Q404 4P D201 10E
IC509 9P Q407 5P D202 10F
R149
6 IC510 12O Q408 5P D205 9H
IC511 9O Q409 7O D212 7E
IC701 12M Q410 7N D213 7E
IC702 8N Q412 6N D216 7D
IC703 12L Q413 5P D401 3O
7
IC704 10M Q414 5P D403 4P
IC705 12L Q415 7O D406 3P
IC706 8M Q416 5N D407 4N
L228
IC707 12M Q417 12I D409 4N
IC708 8N Q701 12K D412 5N
CN505
8
IC709 8O Q702 11L D501 13O
IC710 11M Q703 12M D502 13O
L206
IC711 11L Q704 7P D503 9O
IC712 9L Q705 8P D702 11L
C238
R235
IC713 11K Q706 8R D703 11L
9
IC714 11L Q707 8R D704 7O C242
L208
Q3 9I Q708 10L D705 8O
Q4 9J Q710 5Q D706 9L
C243
Q5 10I D3 11I D707 9M R244
10
C246
CN510
R320
11
C252
Component side
Layer 1
Layer 2
Layer 3
12 Layer 4
Layer 5
Layer 6
Foil side
13
74
14
E F G
L115
CN511 CN513
L112
D103
C165
D108
D106
C156
C152
R143
CN502 CN504 CN508
R314 R316 C320 R315
C316 C322
C317
D212
L221
L223
L225
L230
R313
C324 C323 C319 C335
C315
C307
R307
R299
CN503
C216 C214 Q203
L201
L204
C208 C347
C215 C211 R207
R232
R213
C348
L205
C234
C240
R243
R340
C261
L207 R341
R201
D202
R265
D201
R262
R267
C264
L209
R266 R269
C269
C271
C273
C280 R273
C276
R274
CN507
L212
R271
C265
IC204
1 6
XF202 3 4
R263
C262
C256
H I J K
CN520
C118 R116 R121
R106 C105 E
C
R103 C104
Q102
R109 C109 B E
C117
R110
R112
C107
C108
C110
CN527
R55
C65
C46
C56
C39
C98
Q4
Q3 L4
L36 C49
C84
C85 IC712
C71
C81 R63
L25 4 3
Q7
S
R160 R158
D
6 1
Q9
C86 Q8 G
Q10
C70 C73
R62
R58 C76
C69
C66 C74
R800
L17
L18
R803
C67
R810
C64
C60
C61
D14
L16
L15
D12
C797
D10
L6 L7
L40 C50 R40 R41 C45
C462 C460 C716
R709
5 4
C821
C464 IC410
R838
+
C459
R442 8 1
C465 R434
R435 R718
R715
C705
C467
L406
R712
C466
C709
L518
L M N O
TX-RX UNIT (X57-7390-10) (A/2)
Foil side view (J79-0130-19 A/2)
D401
C475
L405
C445
C446 +
D409
D407
C468
R430 1 6
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
R449
S
Q410
Q409
R405
4 3
Q415
IC409
D704
R784
5 1
C750
C744
R722 R716 C707 C729
R749 R767 C751
1 8
R724 R787
1 8 IC708
R768
R725 IC706 4 5 D705
R765
4 5
C715
R759
C748 R766 C770
1 8
C706 IC709
5 4 4 5
C815
R714 R774
IC702
R710 R801
8 1 R731 R775
C816
R806
D706
C720
C776
C777
R822
C813
C790
R574
IC511
R733
C789 R821
C532 C531
4 3
R818
IC704
C799
5 1 R916
R581
R817
C774 C714 R717
1 6
3 4
IC504
IC508
R795 R790
R805
C779
R814
C792 R792
+
R791 C542
4 3
R781 C769
5 1 C541
C761
R788
R807 R808
C796 C786 R783
C768
R845
C740
R577
C738
R720
R843
R606
R771
D702
R691
C719 R755
R605
G
D IC510
R763
1 8 S R692
IC705
Q703 C746
R607
4 5
R746
R587
R761
R608
R756
R610
R503
C735 R568
C723
C533
1 8 R740
R713
4 3 +
IC703
R737
4 5 5 1 C708
IC701
L507
P Q R S
NX-800
PC BOARD
C811 C810
R410
D406
Q401
Q402
R825
G
C801
Q404 D C802
C415
S
Q414
C804
Q413 C803
R419 R418
C597
NC/RSSI 1
SB
SB
SB C611
SB
SB
SB
AFO C610
DI/RTS
50C C609
GND
DEO
Q704 C608
MI2
ME
GND C607
RXD0
AUXO2 C606
TXD0
AUXO1 C605
Q705 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
30
AUXIO6/BER CK
C599 G
D
C598 S Q706
C795
CN509 CN506
R685
R584
R686
R552
R542
R537
R536 R543
C522 L905
R533 C513
1 5
R532 R531
IC505
3 4 R529
R527
R567
R516
R560
R528
C511
R697
R511
R512
R520
C509
R521
R507
C507
C512
R515 R514
C502
C501
R551
R681 C520
R683
1 4
R682
2 3
C523 R509 R504 R522
IC506
J79-0130-19 A/2
75
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2
3
4
5
6
7
8
9
10
11
12
13
14