Technics SX-PR1000 Service Manual page 103

Digital ensemble
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SCHEMATIC DIAGRAM-12
28 27 26 25 24 23 22 21 20 19 18 17 16 15
1 2 3 4 5 6 7 8 9 10 11 12 13 14
Z203
5
100x4
3
4
C210
6.3V100
24
C211 0.1
23
C213 470P
22
21
C214 470P
20
19
C212 0.1
18
17
16
15
14
13
Z204
100x4
C257
220P
R255
+15A
22K
C265
0.1
8
7
+VCC
1
2
R254
22K
C256
R250
220P
6.8K
R253
R251
1.5K
1.5K
+5A
C229
R221
R224
50V1
4.7K
6.8K
C237
C224
0.001
6.3V100
C246
0.1
IC204
PCM1734EA-E2
(D/A CONVERTER)
+5A
C225
R217
R220
50V1
4.7K
6.8K
C236
0.001
+5A
C263 0
AGND
VINL
1
C222 0.1
VCC
VREF1
2
CINPL
REFCOM
3
C223 0.1
C234
CINNL
VREF2
4
0.22
CINPR
VINR
5
CINNR
RSTB
6
VDD
BYPAS
7
DGND
FMT0
8
SYSCK
FMT1
9
MODE0
DOUT
10
BCK
MODE1
11
LRCK
FSYNC
12
IC205
PCM1800E-T1
(A/D CONVERTER)
R252
6.8K
C254
IC208
50N1
M5218AFPE3
(OP.AMP)
R247
6
5
56K
-VCC
3
4
C266
0.1
-15A
C253
50N1
R246
56K
C241 68P
R227 68K
R249
R248
3.3K
3.3K
+15A
8
7
6
5
+VCC
IC206
M5218AFPE3
(OP.AMP)
-VCC
1
2
3
4
R223 68K
R259
C247
1K
C238 68P
0.1
-15A
R219
470
R225
C235
470
0.0047
C239
0.1
SX-PR1000
MAIN 3/4 SCHEMATIC DIAGRAM
CN204
1
AUXR
AUXL
2
E
3
4
LOR
5
LOL
C259
C260
C261
C262
470P
470P
470P
470P
CN203
1
LOL
LOR
2
AMPL
3
4
AMPR
+15A
5
+15
-15A
6 -15
7 E
8 E
9 PMUT
10 E
11 E
+VCC
12 VCC
13 VCC
14 SNS
CN202
SUMR
1
2
SUML
3
E
4
ROUT
5
LOUT
SNS
PMUT
R260
1K
CN201
+15A
1
+15A
-15A
2
-15A
E
3
4
MSNS
5
MIC
LORST
MIC SNS

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