Pc Board - Kenwood TS-990S Service Manual

A B C D
1
2
Ref. No. Address Ref. No. Address Ref. No. Address Ref. No. Address
D1 8D D222 14G IC23 8C
D2 7D D223 8R IC24 9C
3
IC50
D20 9D D224 9R 11C
D21 8D D270 9Q IC100 9K
D40 9C D271 9Q IC120 9M
D100 9K D805 4N IC140 9P
IC200
D120 9N D807 4P 7Q
4
D140 9P IC20 8C IC803 4N
D220 13G IC21 9D IC804 4O
D221 14G IC22 9D Q2 7G
5
6
7
8
R264 L230
R23
R27
R31
R25
R28 C26
9 R33
R35
C40
R21
C43
C45
10
C44
L41
L53
R70
C73
11
C72
R60
16 9
R61
IC50
R62
1 8
L50
12
R231
R233
1
2
R235 EXTPF2
EXTPF1
50VSW
R237
CCTS
CRTS
CRXD
CTXD
ODP
R239
X45V1 R240
X45V2
R241 PSC33
14SW R242
R243 PSC
ACDCTH
ACDCSW
R244
THGND
DCFV R245
THGND
X53V2
BKC
BOVER
R246
GND
DATA
R247
CLK
MLPY1 R248
Component side R249 MLPX1
R250
ADC2
13 ADC1
R251 MRXC
R252
VD
R253 TH3.3B
MFEN1
MFEN2
Layer 1 R255
MFEN3
AFEN
R257 ATPWS
TS
R259 TT
AMD
39
Layer 2 PHD
40
R261
Layer 3
CN230
Layer 4
J79-0352-29 A/3
14
Foil side
E F G
J79-0352-29 B/3
Q20 10D
Q161 12P
Q270 8Q
Q271 9Q
Q272 9Q
Q807 6N
R401
R403
Q808 6N R405
R407
R409
R412
R414
R416
CN470
+ + +
R182
F180 F191
R1 C9
C180
D2
R2
C181
C182
1 33SD
(33SD)GND
5A
C183
(5A)GND
5B
(5B)GND
14V
10 GND
8 DGND
8AL
NC2
GND 9 GND
L163
3 8A
14SL GND
GND
GND 14V
+
1 14S AGND
8AL
(DSP GND)
+
NC1
14AF
GND (5D)GND
1 14SL 7 8A
5D
C90
GND L162 (33V)GND
C85
14S 1 33V
8A
C84
8A
GND
CN16
1 14S
14S GND 14V GND
1 4
L91
R232
2 GND
R234
R236
1 14S
R238
R230
R263
L232
R254
R256
R258
R260
C221
R262
D221
H I J K
R509
R510
CN500
1 X45V2 2
X45V1
14S
14S
NC
14GND
14GND
NC
5A
5A
NC
5GND
5GND
THGND
33S
33S
R400
33S R536
NC
33GND
33GND
33GND
F_GND
R402 CN530
DATA
CLK
R404
FTH1
FTH2
NC(MLPX2)
R406
FFANAT 1
FFANP1 5A
FFANP2 R408 2
MRXC NC
5GND
VD R410
X53V2 NC
R532 33S
MFEN1 R534
MFEN2 R411 NC
ID R535
MPEN3
AFEN VSR
R413 CN449 VSF R533
ATPWS 33GND
AMD R531
PHD NC
40 R415 TXB
39
NC
33GND
R449 15
NC
16 ヨビ
R530
CN440
R450
+ +
F4
L3
C195
R194
+
C196
F190 +
R110 R105
C198
R109 C107 C106
C109 R107
L193
R108
D100
C110
C197
C117
R190
L102
+
L161
F90
+
+
L160
L M N O

PC BOARD

DC-DC UNIT (X43-3220-00, A/3, B/3:LINK, C/3:APP)
Component side view (J79-0352-29)
+
+
+
R854 R872
R885
R852 C853 C851 R870 C873 C871
R850 R869
R849 R868
D805
C850
+ +
L809 L812
+
Q807
TP812
Q808 TP819
D D S
R857
D D G
W801
TP
813
J79-0352-29 C/3
+ +
+
R125 R145
R130 R150
R129 C127 C126 C147 C146
R149
C129 R127 C149 R147
R128 R148
D120
C130
C137 C137 C157
L122 L142
+
P Q R S
TS-990S
R891
R894
14V 1
+
GND
GND 3
R886
D807
C870
R892
R893
+
CN803
5 GND
9
CTS
TXD
R209
RTS
RXD
L200
6
1
8 1
IC200
9 16
C213
C212
R301
R299 L270
R302
+
C292
C288
D140
R303
C293
D271
C150
L221
+
L220
R162
C163
CN225
R280
R275
11
R282
1
2
3
4
5
6
7
8
9
10
11
12
13
14