Kenwood TS-990S Service Manual page 40

A B C D
TS-990S
PC BOARD
1
DISPLAY UNIT (X54-3850-00) (A/6:MAIN PANEL)
Foil side view (J79-0356-29)
2
3
4
CN244
CN242 CN246
5
CN260
CN241 CN245
CN243
CP16
6
7
CN250
CN248 CN252
CN154 CN261
CN128
CN142
CN132
CN247 CN251
CN249
8
CP17
CN130
CN153
CN126
9
6
C32 R7 LCENCB
GND
C31 R6
LCENCA
C30 R5
HCENCB
10
C29 R4 NC
HCENCA
1
CN155
Q47
CP18
CN156
CN257
11
CN256 CN137
CN254 CN258
CN139
CN262
CN253
CN255
12
13
40
14
E F G H
CN127
4
GND
R13
R23
RITB
R22
RITA
R12
5D
1
CN124
CN122
C52
CN272
CN270
R36
CN131
R2
5
R34
MULTIA
MULTIC
R3
MULTIB
R35
LEDDIM
LMULTI
1
Q1
CN140
C114
CN138
I J K L
CN114
CN119
L1
X1 R74
CN79
C50
CN80
CN74
R79
CN73
R72 R73 CN96
CN70
CN72 R52
CN77
CN69
CN71
CN78
R44
38 1
R45 39 128
CN67
CN66
CN65
IC6
R46
CN64
CN63
R107
CN62
CN61
R108
R47
64 103
65 102
CN286
CN288
CN287
R49 CN271
C49
R51
R53 R97
CN57 CN87
R56 CN59 CN55 CN86 CN85
R57
CN60
CN276 C219
R58 CN58 CN56
R80
CP7 CP8
CN100
CN104
R59 CN97 CN101
16 9 16 9 16
IC11 IC10
CN129
1 8 1 8
CN136 CN135 CN134
CN103
CN106
CN133
C173
C58 C56
1 5 IC12
R100
3 4
R155
R1
C171
L13 C19
32 R8
LTIMER R18
LPOFF
C87
R145 PRST
DOT R19
DASH
KYSR
R146 C107 R9
PWS L17
SS
C108
BKC R147 C109 5D
PRXD C121 C20
R140 PTXD
R148 C111
PCTS
PRTS C120
R141
EXTPF1 R150 C113 MENCB
EXTPF2
C110 MBLEN
PATXD R151 C115
R149 PARXD
NC MENCA
33B
NC
NC
NC
5D GND
NC
GND
GND
NC
8A
NC
NC
PFPRG R157
1
CN121
J79-0356-29 A/6
M N O P
CN141 CN109
CN112 R153
C124
CN147 C125
CN145 CN149
C126
CN143 CN151
C127
R139 C128
CN144 CN152
CN146 CN150 L14 C90
CN148
C91
Q48
Q50
Q52
CN99
Q54
R162
D8 C212
R163
D7 C211
R164 D6 C210
R165 D5 C209
R166 D4 C208
R167 D3 C207
R168
D2 C206
R169 D1 C205
32
PA_Y+
PA_X+
PA_Y-
PA_X-
NC
X1
X2
L10
Y1
Y2
TPPRES
TPPUON
L11 DCDCGND
MLPWM
L16 DCDCGND
MLSYNC
DCDCGND
PBLEN
C16
NC
9 MBLEN
C15 DCDCGND
SLPWM
DGND
IC9 R68
R65 C14 SLSYNC
DGND
CN81 NC
1 8 C13
5D
NC
14SP
S G
CN75 14SP
CN268 14SP
D D C11
14SP
D D 14SP
CN84 1
Q4
R26
R24
R25
CN94
CN281 5
L21 L22 NC
C94
KYSR
C93
DASH
L20
DOG
C92
DOT
L19
1
R144
R143
C129
C130
C131
C132
C133
C134
C135
C136
C137
4
8A
C138
C139 SS
D54
MD
MU
1
C162
L18 D55
C163
C95
C105
R135
C104
C103
C102
D56
C100
C99
C97
R137
R138
D53
C98
L15
Q R S
1
2
3
Ref. No. Address
D1 6L
D2 6M
16
PWS
KI0 D3 5M
KEYO7
KEYO6
KEYO5
KEYO4
4
KEYO3
NC
33B D4 5M
NC
LTIMER
LPOFF
GND
LPON
LAT D5 5M
LEDDIM
1
D6 5M
D7 5M
D8 5M
5
D19 6L
D53 12N
D54
12N
D55 12N
D56 12N
6
IC5 11J
IC6 5K
IC7 7H
IC9 7L
7
IC10
7L
IC11 7K
IC12 10K
Q1 8G
Q2
7M
8
Q4 8M
Q47 11A
Q48
4P
Q49
12P
Q50 4P
9
Q51 12P
Q52
5P
Q53
12P
12
5D
VVXGIN
VMIC
VPROCO Q54 5P
VPROCI
VCAR
VPWR
VCWDRY
VCWSPD
VCWMON Q55 10
12P
VCWPCH
GND
1
1
KI1
KI3
KI0 11
KEYO7
KEYO6
KEYO5
KEYO4
KEYO3
KEYO2
KEYO1
KEYO0
LVOX
LPROC
LPROC
LMONI
LEDDIM
16
Component side
Layer 1
12
Layer 2
Layer 3
Layer 4
Foil side
13
14