Schematic Diagram - Preout Board - Sony STR-DA9000ES Service Manual

6-37. SCHEMATIC DIAGRAM – PREOUT Board – •
CN1201
16P
A PREOUT SBR
MIX AMP
A PREOUT SBL
IC1204
A PREOUT W NJM4580
R1210
10k
A PREOUT C
A PREOUT SR
A PREOUT SL
A PREOUT R
VSS
A PREOUT L
EVOL IN SBR
EVOL IN SBL
EVOL IN W
(Page
EVOL IN C
100)
EVOL IN SR
MIX AMP
EVOL IN SL
IC1203
EVOL IN R NJM4580
EVOL IN L
VSS
R1213
C1202
33
22
50V
SWITCHING
IC1202
TC9273F-012
VSS VDD
R1205 15k
R1204 4.7k
R1206
10k
GND LAT
CLK DAT
R1207
15k
CN1203
10P
DATA R1203 100
CLK R1202 100
C1201
0.1
LAT PREDM R1201 100
A.+15V
V.+5V
A.GND
(Page
RELAY GND
100)
A.-15V
See page 108 for IC Block Diagram.
R1226
33
VCC
R1221
10k
R1220
10k
VCC
A PREOUT SR
C1207
22
50V
EVOL IN SR
C1203 C1206 R1214
0.0022 0.0022 33
A PREOUT SBR
C1205
0.1
EVOL IN SBR
A PREOUT W
EVOL IN W
A PREOUT R
R1217 15k
R1216 4.7k EVOL IN R
R1223
10k
R1222
15k
C1204
100p
R1227 R1225
33 1k
R1218 R1215
1k 1k
LEVEL SHIFT
IC1201
TC74HCT7007AF
C1226
AUDIO SELECT SWITCH
270p
IC1205
TC9274N-016
R1252
VSS VDD
1k
A PREOUT SL
SR ANA SL
R1253
15k
SR DIGI SL
R1254 R1250
8.2k 100k
EVOL IN SL
SR COM SL
C1224
0.0027
A PREOUT SBL
SBR ANA SBL
SBR DIGI SBL
EVOL IN SBL C1240
R1274
SBR COM SBL 10
100
63V
A PREOUT C
W ANA C
W DIGI C
EVOL IN C
W COM C
A PREOUT L
R ANA L
R DIGI L
EVOL IN L
R COM L
GND LAT
C1211 R1272
CLK DATA
100p 100
LOW-PASS FILTER
R1270
IC1206
100
NJM4580
C1214
VCC
270p
R1229
1k
VSS
R1232
1k
R1228 R1233
1k 15k
R1234
8.2k
R1230
100k
C1212
0.0027
C1236
10
63V
59 59
LOW-PASS FILTER LOW-PASS FILTER
IC1208 IC1209
NJM4580 NJM4580
C1232
VCC VCC
270p
C1227
270p
VSS VSS
R1256 R1262 R1266
1k 1k 1k
R1257 R1263
15k 15k
R1259 R1255 R1264 R1260 R1269 R1265
100k 8.2k 8.2k 100k 100k 8.2k
C1228 C1230 C1234
0.0027 0.0027 0.0027
C1241 C1242
R1276 R1275 C1243
10 10
100 100 10
63V 63V
63V
R1277
100
LOW-PASS FILTER
IC1207
NJM4580
C1220
VCC
270p
C1215 C1221
270p 270p
VSS
R1236 R1242 R1246
1k 1k 1k
R1237 R1243 R1247
15k 15k 15k
R1235 R1244 R1245
8.2k 8.2k 8.2k
R1240 R1249
100k 100k
R1239 C1216 C1218 C1222
100k 0.0027 0.0027 0.0027
C1237 C1238 C1239
R1273
10 10 10
100
63V 63V 63V
STR-DA9000ES
C1233
270p
R1267
15k
CN1202
9P
A.GND
D PREOUT SBR
D PREOUT SBL
D PREOUT W
D PREOUT C
D PREOUT SR
D PREOUT SL
D PREOUT R
(Page 46)
D PREOUT L