Kenwood TS-990S, Service Manual

Page: 4 / 54

A B C D E F G H I J K
L M N O P
1
2
3
4
5
8
9
6
7
10
11
12
4
TS-990S
SCHEMATIC DIAGRAM
SCPUL
SCPCK
SC5DT
SC5EN1
SC5EN2
SC5DT SC5EN2 SC5CK
SC5CK SC5DT SC5EN3
SCPDT
SCPEN1
SCPCK
SCPCK
SCPDT
SCPEN2
SCPUL
SCATT0 SCATT1 SCATT2 SCATT3
SC5DT SC5CK SC5EN1
IFSEL2
IFSEL1 IFSEL2
IFSEL3
IFSEL4
SC5CK
SCPDT
SEL12
SEL34
IFSEL1
IFSEL1
IFSEL2
IFSEL3
IFSEL4
SCATT0
SCATT1
SCATT2
SCATT3
SCPCK
SCPDT
SCPEN1
SCPEN2
SCDEN1
SCDEN2
SCDEN3
SCPUL
SC5EN3
5AS
C N 2
C N 3
C N 4
R 9 3
1 0
C96
0.1u
R94
270
R 9 2
1 0
R80
330
R 9 6
1 0
C77
0.1u
R101
820
C88
1000p
C105
0.01u
C67
0.1u
L36
C76
0.1u
R98
3.3k
R 9 7
1 0
R100
10
L 3 4
C110
0.1u
R95
0
C98
10u
R 7 9
3 3 0
2SK1740-4
Q20
R75
0
C114
0.01u
2SK1740-4
Q18
C97
470p
C84
0.01u
2SK1740-4
Q19
L 2 5
R99
1.8k
D8
HVC131
C272 0.1u C279 0.1u
C284
0.1u
R231
560
R242
10
R232
150
D25
HSM88ASR-E
D24
D24,25
HSM88ASR-E
L 8 6
C286
47p
C62
0.01u
D6
HVC131
C65
0.01u
L21
100u
R76
470
L37
100u
R119
470
C118 0.01u
C120
0.01u
C53
82p
L 1 8
1 2 0 n
C 5 2
3 3 p
C45
56p
C 5 7
3 9 p
C58
27p
L 7 3 C250
0.1u
L 7 0
D21
HSM88ASR-E
C246
22p
D20
D20,21
HSM88ASR-E
C128
15p
C124
68p
C126
2p
L40 50n C132
82p
L42 50n
L46 50n L52 50n
C133
5p
C141
4p
C158
5p
C171
15p
C1
0.01u
R20 120
R8
56
C7
0.01u
2SC4617(R)
Q11
R21
220k
R28
0
C21
0.01u
C40
56p
C29
7p
C34 100p C24
56p
R27
10
C8
0.01u
MCH3914(7)-H
Q38
C 2 3 2
2 p
R188
390
R186
10k
C198
10p
C183
56p
D15
1SV228-F
R152
0
R192
0
IC4
1
CPGND
2
AGND1
3
AGND2
4
RFINB
5
RFINA
6
AVDD1
7
AVDD2
8
REFIN
9
DGND1
10
DGND2
1 1 CE
1 2
CLK
1 3
DATA
1 4
LE
1 5 MUXoUT
16
DVDD1
17
DVDD2
18
VP
19
RSET
20
CP
2SC4649(N,P)
Q41
R208
100
C238
0.01u R203
6.8k
R202
15k
R206
47
C231
0.01u
R175
0
R162
100
R212
6.8k
R211
15k
R214
10
R195
470
C233
0.01u
R205
6.8k
R201
47
R204
15k
C230 0.01u
C 2 4 1
2 p
C226
0.01u
C212
0.01u
C205
0.01u
C204
0.01u
R176
4.7k
100
100
100
10k
100
R158
R159
R160
R156
R157
L59
10u
L57
10u
L 6 3
1 u
L 5 6
1 0 0 u
D14
1SS388F
C189
0.1u
C181
10u
R244
10k
C288
1u
L85 67n
C295 0.01u
R222
0
R227
C322
2p
R248
390
C306 0.01u
2SC4649(N,P)
Q48
R267
15k
C289
0.01u
R257
6.8k
R270
47
C311 0.01u
R259
6.8k
R265
100
C291
0.01u
L80
10u
C318
2p
C296
1000p
L83
10u
R262
47
IC6
1
CPGND
2
AGND1
3
AGND2
4
RFINB
5
RFINA
6
AVDD1
7
AVDD2
8
REFIN
9
DGND1
10
DGND2
11
CE
12
CLK
13
DATA
14
LE
15
MUXoUT
16
DVDD1
17
DVDD2
18
VP
19
RSET
20
CP
C282
0.01u
C298
47p
R226
R273
330
R224
R241
4.7k
L87
1u
R268 6.8k
C297
47p
R256
15k
D22
1SS388F
R223
R255
47
R225
100
100
100
10k
100
C273
0.1u
MCH3914(7)-H
Q46
C276
6p
C304
0.01u
2SC4226-A(R24)
Q49
R253
680
C309
2p
C281
0.01u
R238
0
R250
0
D23
1SV228-F
R258
15k
R123
330
C116
0.1u
C169
0.1u
C153
68p
2SC4617(R)
Q24
C146
0.1u
R129
390
C50
0.01u
C70
100p
CF2
L72-1026-05
C143
0.1u
C138
0.1u
IC2
AD9835BRUZ
FSADJUST
REFIN
REFoUT
DVDD
DGND
MCLK
SCLK
SDATA
1
2
3
4
5
6
7
8
9 FSYNC
10
FSELECT
11
PSEL1
12
PSEL0
13 AGND
14
IoUT
15
AVDD
16
CoMP
2SC4617(R)
Q15
L44
1u
R132
15k
R115
100
R72
47
L23
1u
C135
0.1u
C55
0.01u
2SC4617(R)
Q29
R106
220
R137
47
C150 680p
C123
0.1u
R110 100k
R67
0
R140
220
R116
330
C112
0.1u
R66
470k
R103
56
R 1 2 1
4 7
C117
0.1u
2SC4617(R)
Q25
C148
0.1u
C51
0.01u
C68
100p
C147
0.1u
C139
0.1u
IC3
AD9835BRUZ
FSADJUST
REFIN
REFoUT
DVDD
DGND
MCLK
SCLK
SDATA
1
2
3
4
5
6
7
8
9 FSYNC
10
FSELECT
11
PSEL1
12
PSEL0
13 AGND
14
IoUT
15
AVDD
16
CoMP
2SC4617(R)
Q16
L45
1u
R134
15k
R117
100
R73
47
L24
1u
C136
0.1u
C56
0.01u
2SC4617(R)
Q30
R107
330
R138
47
C121
0.1u
R111
100k
R69
0
R141
270
R118
390
C113
0.1u
R68
470k
R104
0
D10
D10-13
HVC131
D11
HVC131
D12
HVC131
D13
HVC131
D16
D16-19
HVC131
D17
HVC131
D18
HVC131
D19
HVC131
L55
100u
R147
270
C172
0.01u
R161
10k
R163
10k
R167
10k
R171
10k
R153
27
R172
27
R154
39
R155
56
R173
39
R174
56
R181 270
L61
100u
R180
180
FB2B
.
R146
47
C166 0.1u
C203
0.01u
R120
470
L38
100u
C N 6
R55
27
R 6 0
2 7
R61
27
C131 330p
L39
820n
C125 390p
C127
33p
C129
560p
C130
82p
L41
560n
IC8
TC7WT125FUF
1
2
3
4
G1
A1
Y2
GND
5 A2
6 Y1
7 G2
8 VCC
IC7
TC7WT125FUF
1
2
3
4
G1
A1
Y2
GND
5 A2
6 Y1
7 G2
8 VCC
IC5
TC7WT125FUF
1
2
3
4
G1
A1
Y2
GND
5 A2
6 Y1
7 G2
8 VCC
R235
22
XF1
L71-0534-25
C258
6p
C255
18p
C261
18p
2SC5551AF
Q39
C227
0.01u
R190
100
R199
680
C225
9p
L68
L62
10u
R187
22
C211
6p
C207
0.01u
C229
0.01u
R198
2.2k
C223
0.01u
R194
10
C234
0.01u
C N 1
2
3
1
C N 3 6
2
1
C86
10u
C90
0.01u
L32
10u
C93
0.01u
R90
3.9k
C101
10u
FB1C
C102
0.01u
C91
0.01u
C87 10u
FB1C
L33
10u
C94
0.01u
R91 3.9k
C103
10u
FB1C
C104
0.01u
C174
0.01u
L15
100u
R58
470
C260
0.01u
C267
0.01u
C290
0.01u
C312
0.01u
R254
0
R246 220
R247 220
C270
0.1u
R149
150
FB2B
C175 0.01u
R143
180
FB2B
C165 0.01u
R165
180
FB2B
C184
0.01u
L54
100u R151
39
R168
10
R182
3.3
C285
0.01u
R124
1k
R127
1k
R112
1k
Q22
LTC043ZEBFS8
2SB1694
Q21
Q21,22 R108
1k
D9
MC2848-T111
L35
100u
L84
47u
L82
100u
R148
47k
L11
270n
L12
270n
C2
1u
GB1E
R82
15k
R87
15k
R83
15k
R88
15k
R133
15k
L28
150n
C73
10p C81
33p
C92
0.01u
C49
0.01u
C80
33p
C 6 9
1 0 0 p
C89
0.01u
C85
10u
FB1C
R59
27
C 1 2 2
0 . 1 u
IC1
AD9835BRUZ
FSADJUST
REFIN
REFoUT
DVDD
DGND
MCLK
SCLK
SDATA
1
2
3
4
5
6
7
8
9 FSYNC
10
FSELECT
11
PSEL1
12
PSEL0
13 AGND
14
IoUT
15
AVDD
16
CoMP
R105
330
C 1 3 4
0 . 1 u
L31
10u
L22
1u
2SC4617(R)
Q14
C111
0.1u
L 2 7
1 5 0 n
R 1 2 2
3 3 0
R86 15k
R102
0
R71
47
CF1
L72-1026-05
R109
100k
C100
0.01u
R114
330
C99
10u
FB1C
2SC4617(R)
Q23
C54
0.01u
R128
390
R113
100
C72
10p
R81 15k
C 1 1 5
0 . 1 u
R89
3.9k
R64
470k
R65
0
C74
10p
L29
150n
C82
33p
C48
0.1u
C119 0.01u
L26
150n
L30
150n
C71
5p
C78
5p
C66
39p
C75
82p
C83
82p
C64
0.01u
R70
470
L20
100u
C254
33p
C256
3p
C259
3p
C257
68p
C262
68p
C313
1u
C305
0.01u
C236
1u
C222
1u
C219
1u
C293
1u
C199
10u
C208
0.1u
L69
1u
C220
82p
L64
150n
C213
39p
C218
5p
C221
5p
L67
150n
C224
39p
L66
1.5u
L65
1.5u
L71 1u
C294
33p
C303
33p
C300
68p
C302
3 p
C299
3 p
L92
1u
L95
1u L96
220n
C266
10u
L78
100u
C287
0.1u
C280
10u
L90
1.5u
L89
1.5u
R135
15k
C63
0.01u
C249
0.01u
R218
0
R 2 5 1
56
C301
0.1u
C210
0.01u
C215
1000p
C214 0.01u
C209
1u
C308
0.01u
C317 0.01u
C321
0.01u
C324
0.01u
R62
470
L16
100u
C41
0.01u
R14 1k
R 5 3
0
R19
1k
D 4
H V C 1 3 1
C46
0.1u
C27
0.1u
C18
0.1u
C16
0.1u
R35
10k
R24
10
C36
0.1u
2SC5551AF
Q8
D3
HVC131
C33
0.1u
R18
1.5k
C10
0.01u
R7
1k
R46
33
C23
0.01u
L4
100u
C 4
0 . 1 u
R36
2.2k
R 2
39
R4
1k
C32
0.1u
R11
33
L14
100u
R49
470
R40
180
R50
180
R23
10
R33
10k
C15 0.1u
C 1 7
0 . 1 u
R47
470
L13
100u
R10
33
C30
0.1u
R3
1k
R 1
3 9
C35
0.1u
2SB1694
Q3
R34
2.2k
C 3
0 . 1 u
Q1
LTC043ZEBFS8
L3
100u
C22
0.01u
R45
18
R6 1k
C9
0.01u
R17
1.5k
C31
0.1u
D2
HVC131
2SC5551AF
Q7
2SB1694
Q4
2SB1694
Q9
Q2
LTC043ZEBFS8
Q5
LTC043ZEBFS8
2SB1694
Q26
Q26,27
Q27
LTC043ZEBFS8
2SC5551AF
Q44
Q44,45
R239
8.2
R243
8.2
R240
10
C278
0.1u
C292
0.1u
C277
0.1u
2SC5551AF
Q45
R271
0
R266
0
R264
4.7k
C326
0.01u
R274
0
C329
1u
R260
4.7k
C328
1u
R269
4.7k
IC9
BA4580RFVM
1
2
3
4
oUT1
-IN1
+IN1
VEE
5 +IN2
6 -IN2
7 oUT2
8 VCC
R263
47k
C N 3 5
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
Q31
LTC043ZEBFS8
Q32
LTC043ZEBFS8
.
Q33
LTC043ZEBFS8
Q37
LTC043ZEBFS8
C253 100p
C N 1 0
1 2
C264
100p
C N 1 2
1 2
.
R85
2.2k
R84
2.2k
2SK1740-4
Q17
Q17-20
L76
120n
L77
120n
L88
120n
L91
120n
L81
2.7u
L58
2.7u
L 7
L 8
2SC4649(N,P)
Q47
2SC4649(N,P)
Q 4 0
L 7 5
L 7 9
L 1 9
1 0 0 n
Q50
Q50,51
LTC043ZEBFS8
D26
MC2848-T111
2SB1694
Q51
R272
1k
R275
1k
R221
10k R150
10k
C V 1
CV2
D 1
MC2848-T111
C12
22u
C14
0.01u
C13 0.1u
C20 22u
C28
0.01u
C26 0.1u
C330
0.01u
C331 0.1u
R237
1.2k
C325
22p
C243
0.01u
R252
220
C 2 4 4
2p
R217
0
0.01u
C248
C200 0.1u
C251
22p
L74
270n
2SC4226-A(R24)
Q43
L10 1u
C173
8p
C5
0.33u 35
R177
270
R166
100
C275
0.047u C263
680p
R229
1k
R233
0
L60 88n
C206
56p
C216
56p
C217
56p
C161
68p
L51
1.2u
L48
1.2u
C163
270p
R22
120
C37
7p
R25
47
R 1 2
39
C 1 1
0 . 1 u
2SC5551AF
Q12
R37 10
R31
1k
L9
220n
C25
0.1u R42 2.2k
C19
0.01u
R41
10k
C38
0.01u
C42
0.1u
C170
68p
C156
82p
R249
0
C155
470p
C185
0.01u
C186
0.01u
C187
0.033u
R245
22
R261
22
F 1
F 2
C283
39p
C269
39p
R277
47
R210
47
L98
680n
C333
180p
C332
330p
C334
330p
L97
680n
C164
82p
L53
560n
C151
390p
C157
33p
L49
820n
C167
330p
C159
560p
R280
0 0 0 0
R282 R279
C176
0.1u
IC10
NJU6368PF1
1 FoUT
2 VDD
3 XT
CoNT
XT
VSS
4
5
6
C178
0.01u
R 1 8 5
1 k
R183
47
R184 100k
C177
0.1u
R283
R286
0
R285
0
0 0
R288
R287
R289
0
R290
150
R294
150
R292
150
R291
150
R295
150
R293
150
C 5 9
0 . 1 u
C 6 0
0 . 1 u
C 6 1
0 . 1 u
C N 4 0
C N 3 9
C N 3 8
C N 3 7
R234
470
L1
100n
L2
100n
14S
8A
GND
IFSEL1
IFSEL2
IFSEL3
IFSEL4
SCATT0
SCPEN2
SCPCK
SCPEN1
SCPDT
SCDEN1
X45V1
SCPUL
8A
GND
5A
SCATT1
SCATT2
SCATT3
SCDEN2
SCDEN3
NC
NC
NC
SCIF
33SD
GND
ACCESSORY UNIT(X42-3430-00)(A/10 : SCOPE )
DDS
DDS
DDS
PLL
PLL
BUFFER
AMP
SWITCH
RX MIXER
RX MIXER
RX MIXER
AMP
AMP
AMP
AMP
AMP
AMP
AMP
AMP
AMP
AMP
AMP
AMP
AMP
AMP
AMP
AMP
AMP
VCO TUNING
VCO TUNING
SWITCH
Switching
SCIF2_BPF
10.700MHz
SC08M
8.248MHz
SC11S
11.374MHz
SC73S
73.095MHz
40.000MHz
SCREF
R297
120
R298
120
R39
270
R48
270
IC11
XC6209B502P-G
1N
C
2V
S
S
3C
E
4
VIN
5
VoUT
R296
0
C43 C44
0.01u
C39
C6
10u
R284
0
C195
C194 0.01u
10u
IC12
XC6209B502P-G
1N
C
2V
S
S
3C
E
4
VIN
5
VoUT
C192
R278
0
R281
0
0.01u
0.01u
C196
10u
10u
AMP
LDO
LDO
REF OSC
DC DC UNIT
X43-322 (A/3)
-CN170
RX UNIT
X55-313 (A/2)
-CN109
TX RX UNIT
X57-827 (B/2)
-CN350
TX-RX UNIT
X57-827 (B/2)
-CN450
PLL(MAIN) UNIT
X50-322
-CN20
CONTR
OL UNIT
X53-452 -CN109
CONTR
OL UNIT X53-452 -CN73
SWITCH
SWITCH
SWITCH
SWITCH
SWITCH
SWITCH
SWITCH
SWITCH
SWITCH
SWITCH
AMP
SWITCH
SWITCH
SWITCH
SWITCH
SWITCH
SWITCH
AMP
AMP
AMP
SWITCH
SWITCH SWITCH
SWITCH
BUFFER
BUFFER
SWITCH
SWITCH
SELECT:3.23V
NO SELECT:0V SELECT:3.23V
NO SELECT:0V SELECT:3.23V
NO SELECT:0V SELECT:3.23V
NO SELECT:0V
IF SEL1 ON:0.07V
OFF:13.88V
IF SEL1or2 ON:12.85V
OFF:0V
IF SEL1or2 ON:13.09V
OFF:13.88V
IF SEL1or2 ON:0.08V
OFF:13.88V
IF SEL1or2 ON:3.59V
OFF:0V
IF SEL2 ON:0.07V
OFF:13.88V
IF SEL3or4
ON:0.07V
OFF:13.88V
IF SEL3or4
ON:2.11V
OFF:0V
IF SEL1
ON:12.74V
OFF:0V
IF SEL1
ON:2.07V
OFF:0V
IF SEL2
ON:2.06V
OFF:0V
IF SEL1or2
ON:4.36V
OFF:0V
IF SEL2
ON:7.28V
OFF:0V
IF SEL1
ON:7.31V
OFF:0V
IF SEL1
ON:1.4V
OFF:0V
IF SEL1or2
ON:2.82V
OFF:0V
SELECT:3.81V
NO SELECT:7.07V SELECT:3.81V
NO SELECT:7.07V
SELECT:3.83V
NO SELECT:7.07V
SELECT:3.84V
NO SELECT:7.07V
SELECT:3.83V
NO SELECT:7.07V
SELECT:3.84V
NO SELECT:7.07V
IF SEL1or2
ON:2.82V
OFF:0V
IF SEL1or2
ON:5.32V
OFF:0V
IF SEL1 ON:6.51V
IF SEL2 ON:6.49V
IF SEL1and2 OFF:0V
IF SEL2
ON:1.4V
OFF:0V
IF SEL3or4
ON:2.66V
OFF:0V
IF SEL3or4
ON:1.55V
OFF:0V
IF SEL1 ON:13.08V
OFF:13.88V
13.88V
8.0V
4.74V
1.63V
4.74V
3.98V
IF SEL1 ON:13.82V
OFF:0V
IF SEL2 ON:13.8V
OFF:0V
IF SEL1or2 ON:13.83V
OFF:0V
IF SEL1or2 ON:7.96V
OFF:0V
SELECT:0.09V
NO SELECT:7.07V SELECT:0.09V
NO SELECT:7.07V SELECT:0.09V
NO SELECT:7.07V
SELECT:3.7V
NO SELECT:7.07V
SELECT:0.09V
NO SELECT:7.07V
IF SEL1or2
ON:7.31V
OFF:0V
SCP ON:6.51V
OFF:0V
IF SEL3or4 ON:13.83V
OFF:0V
IF SEL2
ON:12.72V
OFF:0V
SCP ON:4.81V
OFF:0V
SCP ON:4.76V
OFF:0V
SCP ON:4.76V
OFF:0V
SCP ON:4.76V
OFF:0V
IF SEL1or2
ON:2.5V
OFF:0V
IF SEL3or4
ON:13.5V
OFF:0V
13.88V
7.98V
IF SEL1 ON:3.09V
OFF:0V
IF SEL2 ON:13.07V
OFF:13.88V
IF SEL2 ON:3.08V
OFF:0V
IF SEL3or4 ON:7.3V
OFF:0V
IF SEL1or2 ON:5.32V
OFF:0V
IF SEL1or2
ON:12.85V
OFF:0V
IF SEL1or2
ON:2.82V
OFF:0V IF SEL1or2
ON:2.82V
OFF:0V
7.51V
6.71V
IF SEL3or4 ON:13.09V
OFF:13.88V
IF SEL1or2
ON:7.24V
OFF:7.98V
IF SEL1or2
ON:0.05V
OFF:7.97V
SCP
ON:0.64V
OFF:0V SCP
ON:0.6V
OFF:0V
SCP
ON:0.59V
OFF:0V
SCP
ON:0.59V
OFF:0V
SCP
ON:2.28V
OFF:0V
SCP
ON:2.46V
OFF:0V
SCP
ON:2.28V
OFF:0V
SCP
ON:4.81V
OFF:0V
SCP
ON:4.81V
OFF:0V
SCP
ON:4.81V
OFF:0V
SCP
ON:2.08V
OFF:0V
SCP
ON:2.12V
OFF:0V
SCP
ON:2.0V
OFF:0V
SCP
ON:4.87V
OFF:0V
SCP
ON:4.86V
OFF:0V
SCP
ON:4.86V
OFF:0V
SCP
ON:4.78V
OFF:0V SCP
ON:4.78V
OFF:0V SCP
ON:4.78V
OFF:0V
SCP
ON:4.86V
OFF:0V
SCP
ON:1.43V
OFF:0V
SCP
ON:4.55V
OFF:0V
SCP
ON:4.58V
OFF:0V
SCP
ON:1.58V
OFF:0V
SCP
ON:4.37V
OFF:0V
SCP
ON:4.55V
OFF:0V
SCP
ON:0.04V
OFF:4.94V
SCP
ON:4.37V
OFF:0V
SCP ON:1.64V
OFF:0V
SCP ON:1.86V
OFF:0V
SCP ON:1.64V
OFF:0V
3.16V
1.08V
1.78V
0.92V
7.94V
0.92V
1.39V
7.62V
2.14V
3.3V
3.3V
1.66V
4.67V
1.71V
0.54V
4.46V
4.79V
1.33V
1.89V
3.3V
3.3V
2.01V
0.53V
7.77V
4.46V
1.24V
4.94V
3.31V
1.25V
0V
1.7V
1.23V
1.66V
4.66V
1.79V
0.83V
4.79V
0V
SCP
ON:4.2V
OFF:4.94V
7.94V 4.93V
7.94V 4.95V