Onkyo HT-RC270 Service Manual page 19

A B
SCHEMATIC DIAGRAMS - 15
DAC/DIR/ADC/VLSC2 SECTION
Q Q
3 7 6 3 1 5 1 5 0
1
TO BAHDM-0471
SD-23 : B1
P3605B
IMSA-9142S-18A
2 P1307
NEJITANSI_ST3
25060495
L1305
C1366 HS102
R1487 LBC2518T2R2M
P1309
6 COAX_IN1 75 101J L1323
COAX1
R1486 C1365 R1488
10 104Z 220K
5
R1492 C1375 R1491
HS102
220K
10 104Z L1324
4 COAX_IN2
COAX2
R1490 C1368
L1307
75 101J LBC2518T2R2M
3
L1308
R1496 C1381 HS102
LBC2518T2R2M
2 COAX_IN3 75 101J L1325
COAX3
R1485 C1380 R1497
10
104Z 220K
1
7
3
JSR1165-001recieving
R1250 L1312
+5.0V
47 LBC2518T470M
U1301 1 OPT_IN1
IN
7mA
3
OPT1 VCC
C1400
104Z
2 GND_DAC
GND
JSR1165-001recieving
R1529
47
U1302 1 OPT_IN2
IN
3
OPT2 VCC
C1417
104Z
2
GND
JSR1165-001recieving
R1230
4
NC_47
U1303 1 OPT_IN3
IN
3 C1421
OPT3
VCC
C1418 220/10
NC NC_104Z
2
GND
T E
WF02 L 1 3 9 4 2 2 9 6 5 1 3
WF01
5
R1257
0
WF03 WF04
6
330 R1113
47 R1112
75 R1242
150 R1249
47 R1260
47 R1245
R1259
R1256
25
MC/SCL
26
MS/ADR1
27
MODE
R1518 330
OPT1 28
RXIN7/ADR1
OPT2 R1519 330 29
RXIN6/ALRCKI0
COAX1 R1517 330 30
RXIN5/ABCKI0
Q1311
COAX3 R1513 330 31
RXIN4/ASCKI0
330
COAX2 R1515 32
RXIN3 PCM9210PTR
7
FOPT R1107 33
RXIN2
330
DIR_RST 34
RST
R1106 220 35
RXIN1
36
VDDRX ERROR/INT0
R1100
220
X1100 L1100
LBC2518T4R7M
w w w
8
C D
TO BAHDM-0471
SD-23 : C1
P3607B
IMSA-9142S-16A
Q1301
TA4805BF
1 3
I O
150mA
C1820
GND_DAC
NC
C1821
NC
C1822
NC
C1823
DSP_LRCK3
NC
C1824 GND_DAC DSP_BCK3
NC DSP_CSW3
DSP_FLR3
DSP_SBLR3
JITTER CLEARN DSP_SLR3
Q1001
CY2305
PLL1_MCK
R1004 MMZ1608Y601BT
L1002 R1005
270 1 8 PLL1_MCK DAC_RST
REF CLKOUT
47mA 2 7 75
L1313
R1534 CLK2 CLK4
LBC2518T470M
3 6
82K CLK1 VDD
R1003 NC
4 5 DAC_MUT
GND CLK3 3.3V
max:35mA
DIGSDO
DIGCLK
DAC_CS1
DIGSDO
DIGCLK
DAC_CS2
DSP_LRCK3
DSP_BCK3
DSP_WHLR3
DAC_RST
PLL1_MCK
3.3V
OPTF
WF05
DIR_RST
DIR_CS
DIGCLK
DIGSDO AD_R
DIGSDI AD_L
MCKDIR_HDMI
BCKDIR_HDMI
LRCKDIR_HDMI
SDOUTDIR_HDMIFLR
330
DATA_AD
150 ADC_LRCK
typ:14.5mA
max:17mA
100/16
R1109
R1241 DIR_RST 1 24
RST FILT+
12 150 ADC_BCK R1108 2 23 104Z
220
MPIO_B1 M/S REF_GND
11 R1222 75 ADC_MCK ADC_LRCK R1221 330 3 22 47/25
10K
MPIO_B0 LRCK VQ
10 R1223 330 PCMLR_HDMI ADC_BCK R1232 330 4 21
MPIO_C3 SCLK AINR+
9 R1224 330 PCMLRCK_HDMI ADC_MCK R1213 5 20
MPIO_C2 MCLK AINR-
8 R1225 330 PCMBCK_HDMI 330 6 19
MPIO_C1 VD VA
7 R1226 330 MCK_HDMI L1336 7 18
MPIO_C0 AGND AGND
LBC2518T470M
6 8 17
MPIO_A3 VL AINL-
5 LBC2518T470M 9 16
MPIO_A2 L1301 SDOUT AINL+
4 R1227 330 HDMI_SPDIF 10 15
MPIO_A1 MDIV OVFL
3 R1228 330 ARC_SPDIF 11 14
MPIO_A0 R1217 HPF M1
DATA_AD
2 R1229 47 DIRINT1 12 13
NPCM/INT1 I2S/LJ M0
150
1 R1248 47 DIRINT0 R1215
Q1322
10K
L1101
LBC2518T4R7M
+5.0VA
VLSC2 1200-1300
MICFOUT CODEC,DAC 1300-1599
Filter 1600-1790
ADIN 1800-1899
x a o
y
. i
http://www.xiaoyu163.com
E F
TO BATRM-0450
SD-11 : A2
P1008B
IMSA-9142B-22A
+12V
R1781
10(1W)
+12VA
GNDA
R1244 R1243
-12V R1780
10(1W)
15(1W)
-12VA 10(1W)
Q1302
NJM2855DL1-33
+5VDG 1 3 +3.3VDG
I O
Q1303
TA4805BF
1 3 +5VDAC
I O
R1582
NC
+5VDG
220mA
+3.3VDG max257mA
C1385
102K
Q1421 typ:74mA
max:110mA
PCM1690DCAR
WF06 WF08 WF07
1 48
RSV2 RSV2
C1465
2 47
RSV1 VCC2 104J
3 46
RSV2 AGND2
4 45
WF09
RSV1 RSV2
5 44
RSV2 VOUT1-
330 R1567 6 43
LRCK VOUT1+
220 R1568 7 42
BCK VOUT2-
330
R1569 8 41
DIN1 VOUT2+
330
R1251 9 40 FL-
DIN2 VOUT3-
330
R1253 10 39 FL+
DIN3 VOUT3+
330
R1572 typ:76mA 11 38 FR-
DIN4 VOUT4-
L1407 C1440 FR+
max:90mA 12 37
3.3V
VDD VOUT4+
470/10
LBC2518T4R7M 13 36
DGND VOUT5-
C1464 14 35
R1573
SCKI VOUT5+
330 104J
15 34
RST VOUT6-
R1233 16 33
VOUT6+
ZERO1
330
17 32
ZERO2 VOUT7-
18 31
AMUTEI VOUT7+
R1254 19 30
AMUTEO VOUT8-
4.7K
R1577 330 20 29
MD/SDA/DEMP VOUT8+
R1575 330 21 28
MC/SCL/FMT RSV2
Q Q
R1579 330 22 27
MS/ADR0/RSV AGND1 3 7 6
(UTSJ)
23 26 C1141
TEST/ADR1/RSV VCOM 47/25
24 25
MODE VCC1
R1252 C1456
4.7K 5V 104J
C1390
470/10
PCM1789PWR
330
R1123 1 24
LRCK ADR5/ADR1/RSV
220
R1122 2 23 R1121 330
BCK MS/ADR0/RSV
330
R1120 3 22 R1119 330
DIN MC/SCL/FMT
220 R1118
4 21 R1117 330
RST MD/SDA/DEMP
330 R1116
5 20
SCKI MODE
typ:22mA max:30mA L1104
6 19 R1115
VDD ZERO1
4.7K
LBC2518T4R7M C1450 C1454 7 18
DGND ZERO2/AMUTEO R1114 4.7K
470/10 104J L1103
8 17
VCC1 AMUTEI
9 16
LBC2518T4R7M
VCOM VCC2
10 15 max:28mA
(UTSJ)
AGND1 AGND2
11 14 typ:19mA
VOUTL- VOUTR-
12 13
Only 1008 VOUTL+ VOUTR+
Q1100
R1870 5.6K
C1399 R1841
39K
10K
R1851
C1391
C1582 680J
C1304 680J
R1802 47/25
C1120 R1811 2
(UTSJ) 10K 100
2 1
10K C1801
Q1801:A
R1821 10K
1 3
R1801
Q1800:A
L1326
100 3 R1861 C1811
5V
NJM4580M-D
47/25
LBC2518T470M NJM4580M-D
NJM4580M-D 5 C1800
100 NJM4580M-D
47/25
7 5 R1860
Q1800:B
R1800
6 7 10K
R1820 Q1801:B
10K
6
10K 100
R1810
C1810
C1306 680J C1309 680J R1803
47/25
R1850 10K R1840 39K
R1871 5.6K
u 1 6 3
TX-NR708/808/1008, TX-NA708/808/1008, HT-RC270, DTR-40.2/50.2, DHC-40.2
G H
8 9 2 4 9
JJ excptJJ
R1620-1629 R1640-1649 1.5K 3.3K Q1220-1227 Q1230-1237 Q1250-1251 Q1260-1261 R1300-1307
R1630-1639 R1650-1659 18K 18K R1330-1337 R1340-1347 R1350-1357 R1360-1367 R1370-1377 R1380-1387
R1660-1667 R1670-1679 470 470 R1520-1521 R1530-1531 R1540-1541 R1550-1551 R1560-1561 R1570-1571 R1580-1581
C1600-1607 222J 102J R1590-1591 C1250-1257 C1260-1267 C1270-1277 C1280-1287 C1460-1461 C1470-1471
C1610-1619 C1620-1629 221J 101J C1480-1481 C1490-1491
R1770-1779
except JJ
C1610
R1640
R1600 R1300
15K R1650
R1660 4.7K
FL- 6 FL
6
7
C1600 R1770 R1310
15K Q1601:A 7
R1670 0
FL+ 5 Q1220:A
5 680
NJM4580M-D
R1630 NE5532APSR
R1610
C1620
R1620
R1641
C1621
3 NE5532APSR
R1601
R1651
15K R1311
FR+ R1671 3 FR 1
Q1220:B
1 2 680
R1611
C1601 Q1601:B
15K R1661
FR- 2
R1301
4.7K
R1631
NJM4580M-D
C1611 R1771
R1621 0
R1622
C1612
R1302
R1602 R1632 R1662
15K R1772 4.7K
C- 6 C
0
6
7 R1312
R1612 C1602 Q1602:A
7
C+ 15K R1672 5 Q1222:A
5
680
NJM4580M-D
NE5532APSR
R1652
C1622
R1642
R1647 3 NE5532APSR
C1627
R1317
1
R1607
R1657 Q1222:B
15K R1677 SW
SW+ 3 2 680
1
R1617 C1607
Q1602:B R1307
15K R1667
SW- 2
4.7K
R1637
NJM4580M-D R1777
C1617
0
R1627
R1623
C1613
3 1 5 1 5 0 8 9
R1603 R1633
SL- R1663 R1773
15K 6 SL
0
7 R1303
R1613 C1603 Q1603:B
SL+ R1673
15K 5 4.7K
6
R1313
7
R1653 C1623 NJM4580M-D
Q1223:A
5 680
R1643
NE5532APSR
R1644
3
C1624 NE5532APSR
R1604 R1314
R1654 1
SR+ 15K R1674
3 SR Q1223:B
2 680
1
R1614 Q1603:A
C1604
15K R1664 R1304
SR- 2
4.7K
R1634
R1774
C1614 0
R1624
NJM4580M-D
R1625
C1615
R1605 R1775
R1635
SBL- 15K R1665
6 0
SBL
7 R1305
R1615
C1605 Q1604:B
SBL+ 15K R1675 4.7K
5
6
R1315
R1655 7
C1625 NJM4580M-D
Q1225:A
5 680
R1645
NE5532APSR
R1646
C1626
R1656
R1606
15K R1676
SBR+ 3 3 NE5532APSR
SBR
R1316
1 1
R1616 C1606 Q1604:A Q1225:B
SBR- 15K R1666 2 2
680
R1776
R1636 R1306
0
C1616
4.7K
R1626 NJM4580M-D
R1628
C1618
R1608
R1638 R1668
15K
WHL- 6 FLWH
7 WHL R1510
R1618 C1608
Q1605:B
15K R1678 4.7K
WHL+ 5
R1778 6
0
R1520
R1658 7
C1628 NJM4580M-D
Q1250:A
5 680
R1648
NE5532APSR
R1649
C1629
R1609
R1659 R1679
WHR+ 15K 3 FRWH
1 WHR 3
NE5532APSR
R1619 C1609 Q1605:A
R1669 R1521
WHR- 15K 2 1
Q1250:B
2 680
R1639
C1619
NJM4580M-D R1511
R1629
4.7K
R1779
m 0
Only 1008
c o
.
I J K
8 2 9 9
U0050 BADG-0462
JJ excptJJ
R1310-1317 R1320-1327
R1510-1511
only JJ
560
WF10
R1350
5 NJM4580M-D
1K
7
Q1221:A
6
R1360
NJM4580M-D
NJM4580M-D
C1260
5 5
221J
C1270
7 7 FL
Q1230:A Q1231:A
101J
6 6
R1330 1.8K
4.7K
R1340
1.8K R1341
4.7K
NJM4580M-D 2
R1331
1
Q1230:B
C1271 101J 3
C1261 221J
NJM4580M-D
2
1K
1 2 FR
Q1221:B
3 1
R1361
Q1231:B
NJM4580M-D 560
3
R1351
560
R1352
5 NJM4580M-D
1K
7
Q1227:A
6 R1362
NJM4580M-D
NJM4580M-D
C1262
5 5
221J
C
C1272
7 7
Q1232:A Q1237:A
101J
6 6
R1332 1.8K
4.7K
R1342
1.8K R1347
4.7K
NJM4580M-D
2
R1337
1
Q1232:B
C1277 101J 3
221J
C1267
NJM4580M-D
2
1K
1 2 SW DAC_FL
Q1227:B
3 1
R1367
Q1237:B DAC_FR
NJM4580M-D 560
3
DAC_C
R1357
DAC_SW
560
SL DAC_SL
R1353
NJM4580M-D
5 DAC_SR
1K
2 4 9 8 2 9 9
7
Q1224:A DAC_SBL
6
NJM4580M-D R1363
NJM4580M-D DAC_SBR
C1263
5 5
221J DAC_WHL
C1273 7 7
Q1233:A Q1234:A
101J 6 6 DAC_WHR
R1333 R1343
4.7K
1.8K
1.8K R1344
4.7K
NJM4580M-D
2
R1334
1
Q1233:B
C1274 101J
3
C1264 221J
NJM4580M-D
2
1K
1 2 SR
Q1224:B
3 R1364 1
NJM4580M-D Q1234:B
560
3
R1354
560
R1355
5 NJM4580M-D
1K
7
Q1226:A
6
R1365
NJM4580M-D
C1265 NJM4580M-D
5 5
221J
C1275
7 7
Q1235:A Q1236:A
101J 6 6 SBL
R1345
R1335
4.7K
1.8K
1.8K R1346
4.7K
NJM4580M-D
2
R1336
1
Q1235:B
C1276 101J
3
C1266 221J
2 NJM4580M-D
1K
1 2
Q1226:B SBR
3 1
R1366
Q1236:B
NJM4580M-D 560
3
R1356
560
R1590
5 NJM4580M-D
1K
7
Q1251:A
6
R1580
C1470
NJM4580M-D NJM4580M-D
5 5
221J
C1480
7 7
Q1260:A Q1261:A
101J
6 6
WHL
1.8K
R1540
4.7K
R1550
1.8K R1551
Only 1008
4.7K
NJM4580M-D 2
R1541
1
Q1260:B
C1481 101J 3
C1471 221J
NJM4580M-D
2
1K
1 2
Q1251:B WHR
3 1
R1581
NJM4580M-D Q1261:B
560
3
R1591