Pc Board - Kenwood TS-990S Service Manual

A B C D
1
2
3
C277
C278
L90
4
C286
C293
C313
D27
R203
TC5
C276
5 L88 C275
C285
C312 C292
D26
R202
TC4
C196
6
L68 C195
C206
C249 C217
D18
R131
TC2
C194
7
C193
L66
C205
C248 C216
D17
R130
TC3
8
C337
C351
L93
14SL
Q30 M_CV
9
R199
14SL 1
GND
8V
GND 4
10
11
Ref. No. Address Ref. No. Address Ref. No. Address Ref. No. Address Ref. No. Address Ref. No. Address Ref. No. Address Ref. No. Address Ref. No. Address Ref. No. Address Ref. No. Address
D3 3R D14 7D
D4 3R D15 6D
D5 5L D16 3O
12
D6 6L D17 7B
D7 4R D18 6B
D8 8O D19 3N
D9 4P D20 4N
13
D11 4P D21 5D
D12 9H D22 4D
14
E F G
1 16
Q94
8 9
Q93
Q29 Q98
Q88
R197
Q92
R465
R163
C327 C381
Q19
Q41
Q55
Q40
Q54
C322 C367
R243 R281
C393
C392 Q91
5 4
IC23
8 1
R288 R300 R289
C376
R287
C420
C374
D37
8 1
IC20
9 16
R285
VCO_OUT
C710
L85
C306 R463
C233
C314
C175
R168 R175 L78
R119
20 16
1 15
R215 R229
Q13
R118
C190 C200 R230
IC17
R231
C283
5 11
R232
6 10
R147 R160
Q14
C272 R486
R167
C182
C273
C282
L63 R135
D12
R210
C211
C288 R128
L56
C225
C199
L62
R180
D24 8G D37 7G IC3 9K IC16
D26 5B D42 3H IC4 8O IC17
D27 4B D43 4H IC6 9M IC19
D28 4Q D44 5H IC8 10M IC20
D29 9H D49 7Q IC9 10H IC21
D30 3G D50 4K IC10 5R IC22
D32 8H D51 4K IC11 5R IC23
D33 8H D52 4K IC12 3P IC26
D36 7G IC2 7N IC15 3F IC28
H I J K
Q49
C564
R350
L172 L191
C587 C624
R359
C520 C541
C460 R382 C498 C578 C614 C632
C558
D42
R421
Q47
C565
R351
L173 L192
C360
C588
C625 C641
R360
D43
D51
C579 C615 C633
C461 R383 C499 C521 C542 C559
Q42
C566 R423
R352
L174 L193
C332
C589
R361 C626
D44
C522
C543 C560 C580
C500 C616 C634
C462 R384
C382 C414
+
C27
Q57 Q62
C78
C61
Q56 Q61
9 8
C368 C403
L22
C80
Q96
Q95
C117
L38
R79 R82 R86
R76 L34
16 1
C284
L120
L118
L116
R10 C21
L114
C447
R305 R333
Q77
R292
L103
C66
R273
Q52 R58
R275 R274
C364
L45 C85
C94
L30 C89
R73
R71
R87 C102 C86
C123 L27
6I Q1 7K Q13 9G Q29
9F Q3 7P Q14 9G Q30
7E Q4 5J Q17 8E Q32
7F Q5 4R Q18 8E Q33
z
6E Q6 7J Q19 5F Q35
6F Q8 7M Q21 4O Q38
6G Q10 8N Q22 3O Q39
6N Q11 4P Q25 7B Q40
8P Q12 8G Q26 6B Q41
L M N O
PLL(MAIN) UNIT (X50-3220-00)
Component side view (J79-0341-19)
CN21
CN22
C241
R129
Q22
L69
R461
C271
G R127
D
S
L61
R176
R173
C240
C261
R198
C203
R200
S
D
G
Q33
C640
C478 C488
R381
C471
C363 +
R412
C622
R410
R30
C595
C527
C577
MD_CV
L151
C594 L170
C25
C137
C155
R331
L123
R39
X2
C433
20 16
1
15
C35 L12
IC2
C136 R92
R25 C274 L14 R470 5 11
6 10
R93 C142
C38
Q8
R15
L8
R89
C48
L36
R64
C115
R83 L13
L51 C149
C165
C88 L48
R95
1 5
R94
IC6
C125
3 4
X1
C118
R75
C99
J79-0341-19
Ref. No. Address
4F Q42 4H Q54 6H Q76
9C Q43 4H Q55 5H Q77
4N Q44 8B Q56 6H Q80
5N Q47 4H Q57 5H Q82
9E Q48 4H Q58 8I Q83
5B Q49 3H Q59 8I Q84
4B Q50 3H Q61 6H Q88
6G Q52 9I Q62 5H Q91
5G Q53 9I Q67 7I Q92
P Q R S
TS-990S

PC BOARD

CN20
C191 CN33
CN19
IC12
C26
D3
C167
L15
C339 R32 D7
Q11
D G
D11
S G C152 D28
L29
D9
C100
R60
C58
C173
C121
L39
C113
C79
R432 C645 R108
C563 R415 R436 R435
C151
C506
R447
Q84
L204
C651
R448
C660 R138
C667
C179
C664
C680
R1
C483 C468
L133
L213 R2
GND
MDEN2
L129 REFI
R3
UL
RPEN
R4
MLDT
MLCK
R370
REFO
R5
ERDET
RDEN
R6
MPEN1
MLSEN
R7 MLRST
40M MDEN1
MDIO
R8 MPEN2
C23
GND
R9 NC(X50v1)
NC
NC
R134
NC
NC
L10 R137
R16
R144
R146
C75 R65 C697
R154
1 8 1 8
R172
IC4 IC28
4 5 4 5
Ref. No. Address
Component side
8I Q93 4G
Layer 1
8I Q94 3H
Layer 2
6P Q95 6H
Layer 3
5P Q96 6H Layer 4
Foil side
5M Q97 6I
5Q Q98 4G
4G
6H
5G
1
2
3
4
5
6
7
8
9
10
11
12
13
21
14