Onkyo TX-NR838 Service Manual page 33

A B
SCHEMATIC DIAGRAMS-07
DG(DAC FILTER) SECTION
1
MODEL NO.TX-NR838,DTR-30.6/40.6/50.6
TO BAPRC-1564(PART-15):TX-NR838,DTR-30.6/40.6/50.6
2
BADG-1562
U0070
4 3 2 1
NC
3
P8005A
NEJITANSI ST3
R1000
L1000
P1000 22
3 3 NC LBC2518T2R2M 330
RI
1 1
MSJ-035-22
R1011
1
VOUT
47
OPT1 3
VCC
2
GND
4
*R1012
47
F
+3.3V
L1003
3.3VD1
1
VOUT
LBC2518T470M
3
OPT2 VCC
2
GND
BK1608HS102-T
LBC2518T2R2M L1005
R1003 C1003
L1001 10 104K
5
R1004 C1004
L1002 L1008
6
COAX1
10 104K BK1608HS102-T
LBC2518T2R2M
5
COAX2 4
3
E
LBC2518T2R2M
*R1015 *C1017
2
COAX3
*L1007
10 104K
1
7
D
ONLY T8/A8/D5
6
*R1010
82k
C1492 C1493
C1582 C1583
R1580 R1581
R1490 R1491
NC PART
C1014 C1015
7
R1021
4 3 2 1
C1580 C1581
C1490 C1491
P5511A
R1624 R1625
NTM-1P233(M1969)
CODE MODEL
T8 TX-NR838
ADD/DEL CODE REF.NO.
A8 TX-NR838MJJ TABLE_A ADD A8 C1500,C1501
DEL OTHER C1510,C1511,C1520,C1521
TABLE_C
D3 DTR-30.6 R1520,R1521,R1530,R1531
ADD/DEL CODE
R1540,R1541,R1550,R1551
TABLE_B ADD OTHER
D4 DTR-40.6 R1560,R1561,R1570,R1571
DEL A8
D5 DTR-50.6
8
TX-NR838/ DTR-30.6/40.6/50.6
C D
PRC
U0080(6/11)
to P8003B
TO BAPRC-1564(PART-15):TX-NR838,DTR-30.6/40.6/50.6
P8003A IMSA-9850S-24Z928 P8002A
24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 24 23 22 21 20 19 18
COAX1
C
*R1551 *C1501 *C1500 *R1550 R1557
102J
10k 102J 10k 10k
*C1521 *C1511 *C1510 *C1520 C1527
R1009
82k 221J 221J 221J 221J 221J
FL
FR
*C1401 *C1400
122J 122J
*C1411 *C1410
471J 471J
*R1441 *R1440
22k 22k
*R1451 *R1450
22k 22k
*Q1411
*Q1411
*R1471 *R1481
*R1480
1.5k 1.5k
1.5k
*Q1421
A
NJM4580M-D
ONLY A8
OTHER A8 ADD/DEL CODE ADD/DEL CODE
102J 471J TABLE_D ADD T8/A8/D5 TABLE_F ADD T8/A8/D5
221J 101J DEL OTHER DEL D3/D4
680 10K
10K 12K
COXAIAL CODE ADD/DEL CODE
470 1.8K
2P_GOLD D3/D4 TABLE_G ADD T8/A8/D4/D5
TABLE_E
3P_SILVER T8/A8 DEL D3
3P_GOLD D5
E F
SCHEMATIC DIAGRAM(PART-7)DG SECTION
PRC
U0080(6/11) to P8002B
IMSA-9850S-24Z928
17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1
4 3 2 1
P8004A
NEJITANSI ST3
GND Z2
R1554 C1503 R1553
C1504
102J 102J
10k 10k
C1524 C1514 C1513 C1523
221J 221J
221J 221J
C1507 C1502 R1552
102J
102J 10k
SR
C1517 C1512 C1522
SL
221J 221J 221J
Q1502
NJM4580M-D
SW C Q1502
NJM4580M-D
R1556 C1506 C1505 R1555
10k 102J 102J
C1526 C1516 C1515 C1525
221J 221J 221J
Q1504
Q1504
NJM4580M-D
NJM4580M-D
SBR
SBL
1.5k
B
EXCEPT A8
TUNER_MUTE
TUNER VCC
TU_GND
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20
P5502A
ASP
TO BAAF-1511(PART-4):DTR-30.6
TO BAAF-1517(PART-4):TX-NR838,DTR-40.6/50.6
U0010(1/2) to P5502B
G H I
GND Z2HDMI
G
EXCEPT D3
R1580 R1581 *R1490
100k 100k
NC
NC
NC NC
C1582 C1583
10k
680J 680J
221J
Z2HL
Z2L Z2R
+15.0V
+15V DAC
-15V_DAC
-15.0V
R1598
10 R1599
10
1 2 3 4 5 6 7 8 9 10 11
NSCT-20P2200 P5503A NSCT-11P2191
ASP
TO BAAF-1511(PART-4):DTR-30.6
TO BAAF-1517(PART-4):TX-NR838,DTR-40.6/50.6
U0010(1/2) to P5503B
TX-NR838/ DTR-30.6/40.6/50.6
J K
*R1491
100k 100k
NC NC
NC NC
*C1492 *C1493
680J 680J
Z2HR
1 2 3 4 5 6 7
DISPLAY P703B NPLG-7P135
FROM BADIS-1537(PART-9):DTR-30.6/40.6
FROM BADIS-1543(PART-9):TX-NR838
FROM BADIS-1552(PART-9):DTR-50.6
U0040 to P703A