Kenwood TS-990S Service Manual page 35

A B C D
1
2
3
4
CN50
R67 C82
1 2
R79
Q53
R70
IC51
5
C85
R58
R69
R86
C80
R80
6 R72
R765
R766
C86
C758
C748 C731
R61
R539 R725 R724
7
C404
C412 C403
C805
GND 1
R655
R909
28 15
R905
R908
A650 VCC
C855 R906
R914 C853
IC392
R962 R918
C824
VIN 3
C813
R861
R845
1 14
C888
C908
C411 C402
R967
C429
8
R968
C401
C913
C872 C903
R406
L380 R931 R960
C818
C924
R852
C459 R916
R917
C948 R993
R921
C857 R995
R920
R935 C951
C862 5 4
C950
R934
IC685
VCC 3 R992
C821 C828 8 1
R994
C917
R855 R850 R989 R990
GND R998
5 4
A651
IC684 1 2 1
9
8 1
C946
VoUT 1
C887
C916
R946 CN670 CN669
R974
R980 C931
R981 Q653
C920
10
Ref. No. Address Ref. No. Address Ref. No. Address Ref. No. Address Ref. No. Address Ref. No. Address
11
D1 6Q IC202 5M IC654
D50 4C IC300 8N IC655
D51 6B IC385 6K IC660
D52 6I IC386 8E IC661
12 IC1 5Q IC387 7I IC663
IC50 7G IC389 9H IC666
IC51 5D IC392 8C IC667
IC52 5E IC398 7K IC669
IC101 8Q IC653 8G IC670
13
14
E F G
Q51
C75
L53
IC52
C70
L52
C73
R71
R894
C899
C51
R82
R763 C65
C749 4 1
C944
C763
C759
R732 IC50
C752 4 1
R733
4 1 IC671 5 8
C697
5 8
IC661
C730 C50 C61
R50
5 8 C945
C732
R669
C900
C691
C681
R971
R538 4 1 4
C456 R668
IC655 IC663
C653
C432 C441 R667 5 8 5
C678 C675
8 1
C705 C802
4 1 4 1
IC386
IC654
9 16 IC653
R747 R847
5 8 5 8
C704 C703
R746
R745
R798
2 R793 R525
R797
R524
R504
CN671
CN672
8F IC671 7F IC685 9C Q58
8G IC672 9B IC686 5J Q100
7D IC674 7J Q51 4F Q101
7E IC675 9J Q52 6F Q652
8H IC678 8B Q53 4C Q653
7J IC681 5J Q54 6C Q654
9J IC682 9B Q55 6I Q655
5J IC683 8J Q56 4C
7B IC684 9C Q57 6C
H I J K
L50
CN662
CN666
R896
1 2 1 2 C854
CN667
C838
C831
8 5
R786
R999
C954 IC669
R954
1 4
L55 L56 L57 1 2
C83 C84 C905 C796
8 5
R74 R78 R775
C777
CN663 R772
R832 R809
IC681
R537
R402
C952 R777 R410
1 4
C451 C455
C864
C431 C440
C863
R81 R256
16 9 C409
C78 L653
R938 R930
C423
IC385
1 8
CN482
C384
C834
C511
R870 R792
R65
R892 C800
R897
4 1
C654 R584
C421
IC666
C407 R420
C464
C756 R419
C762 R418 R932 5 8 C469
C463
C867
C845
C807 28 15
C770
R791
R868
1
IC398
C896
C933
1 8 1 14
8 IC683
4 5
C468 C462
C472
C922
1 L657 C461
MIC
R976
C911
R877
MSG CN381
L658
C910 R958 C849
3 MCG C878
C806
CN382
4 1 4 1
C386
C390 IC675 IC667
R425
1 C895
5 8 5 8
R424
2
C810
R904 C841
R396
R899
R882
C473
R594
6I
8R
8R
9C
9C
5J
5J
L M N O
DSP UNIT (X53-4530-00)
Component side view (J79-0355-29)
CP57 CP56
R200
C208
36 1 R215
R249
37 144
R266
R265
CP61
C210
R264
R263
R210
CP60
CP59
R218
R262
IC202 R217
R261
R216
R260
R207
R259 R208
R258
R255
R254
72 109
73 108
C245
C243 L201
R353
R355
156
105
157 104
C510
R324
R384 R326
R327
R385 R328
R329 IC300
R330
R331
R332
CN379
R334
R335
R336
R337
R338
R339
R315
208 53
R305
1 52
P Q R S
TS-990S
PC BOARD
C10
C29
C1 L5
L4
C8 R32
C15 C30
R17
R18
R4
L7
10 6
IC1
L6
1 5
C14
L1
C9 C3
L2 C4
32
31
C130 R186 DCFV
BKC
C132 R187
DTXD
DRXD
C134 R189 DRTS
DCTS
C2 C116 R105
DRST
DFPRG
C118 R107 CKY
TXC
14SW
R192
SIBK
C123 R112
MIBK
SABK2
C121 R110 SABK1
MABK2
C119 R108
MABK1
MAGCV
R119 C109
MCTDET
CN112
SCTDET
NC
33SD
33SD
NC
DGND
DGND
GND
GND
NC
CP50 5A
R137 5A
R377 NC
2
R198
R314
R317 R26
R141
R138
R143
R131
R168
R133
R144
R146
R366 X100
1 8
R148
IC322
R150
4 5
R154
R158 F1
R156
R376
X300 R161
R367 R159
C364
R167 R162
C400 R174 R165
CP52 CP51
R173 R177
R368
C100
L301
J79-0355-29
Component side
Layer 1
Layer 2
Layer 3
Layer 4
Foil side
35
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3
4
5
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10
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