Onkyo TX-DS494 Service Manual page 15

A
SCHEMATIC DIAGRAM-2
NADG-7049
U13
1
L701
022M
+5V
C701
100/6.3
L702
C702
022M
3.3V
C703 104Z
R705
100K
C704
180D
C705
180D
R706 10K
C706 104Z
DIN1
R708
DGGND
R709
DIN2
R710
DIN3
C764
DGGND
+5VDSP C714
C708
2
100/6.3
BTADRL
BTADRH
AB/INT
DSPRST
DSP/_MCU
DIRPD
CODECPD
DSPCS
MCU-A15
DIRCS
SCLK
SDO
SDI
3
FS96
ERROR
SWMUTE
R790 0
4
C3692
223Z
R3687
SW-PO
SW PRE OUT
330
C204
223Z
C206
470/6.3
R206
MONITOR OUT
75
C201
DVD
2.2/50
C202
VIDEO-1
2.2/50
C205
OUT
470/6.3
VIDEO-2
C203
IN
2.2/50
5
B
DSP CIRCUIT PC BOARD
104Z
1 DVDD MCKS/CDTO 28
R714 330
DSPSDO
2 DVSS CLKM/CDTI 27
R715 330
DSPSCK
3 TVDD OCKS1/CCLK 26
330
R716 DIRSEL
4 V/TX CS/OCKS0 25
2.2K
BLM21B222SPT
L704
5 XTI MCKO1 24
R707
BLM21B222SPT
L705
6 XTO MCKO2 23
R717 330 DIRPWD
7 R PD 22
R793 330
8 DAUX BICK 21
R718 47 SDTO
9 AVDD SDTO 20
R794 330
10 AVSS LRCK 19
330
R719 330
11 RX1 ERF 18
330
12 DIF0/RX2 FS96 17
330
13 DIF1/RX3 S/P 16
104Z
14 DIF2/RX4 AUTO 15
*
DGGND
C761 C758 104Z +5V
Q708
TC74HCT7007
101J 14
8
R780 330
9 DSPSCK
C762
10
R782 330
101J 11
DSPSDO
CDO26
R784
330
12
R777 330
13 CDTO
C766
R713 330
6
R779 330
101J 5
DIRPWD
4
R781 330
3 ERF
C765
R783 330 2
101J 1 DIRSEL
DGGND 7
4
5
7
Q809
NJM4565M
6
8
LFE +10.5dB AMP
SWMUTE
Q3691
RN2403
Q3690
RN1441
Q202
RN1441
R208
1K
Q203 BA7625
R205
75
Q204
2SA1162
VIDEO SELECTOR
CDTO
MCKO1
MCKO2
BCK
LRCK
ERF
MCKO2
R805
BCK
R806
LRCK
DADAT2
DADAT1
DADAT0
ADDAT
FS96
R810
CODECPD
R811
C211
101J
C212
101J
P704
TO NAAR-7044 (PART-5)
C
C733 104Z
1 8
2 7
TC7WU04F
3 6
Q703
4 5
R736
330
R735 1M
R734
220 X702
CSTCV12.2MTJ0C4
SDTO
5V
C808
104Z
DGGND
12.288MHz(256fs)
R807 330
VREFL
1 SDOS
2 OCKS RIN+
3 M/ S RIN-
47
4 BICK LIN+
47
5 LRCK LIN-
6 SDTI1 ROUT1
7 SDTI2 LOUT1
8 SDTI3 ROUT2
9 SDTO LOUT2
R804 330
10 DAUX
ROUT3
11 DFS
330
LOUT3
C814 101J
C815 101J
330
R816 330
R813
8.2K R815 3.3K
R817 330
2.5V
C820
C822
R812
R814
4 101J 4 101J
LT
2 2
3.3K
33K
Q803 Q804
1 1
NJM4565M
3 NJM4565M 3
8 8
2.5V
BIAS BIAS
NJM4565M NJM4565M
5 5
7 7
Q803 Q804
R818
R820
RT 6 6
C823
C821
33K 3.3K
101J 101J
R822
2.5V
330
R819 R821 3.3K
8.2K
R823 330
D
C740
100/6.3
L720
3.3VDSP
022M
CMPREQ,
LRCK
29 LRCLKN2
R737
30
CLKIN
330
31
CLKSEL
R738
32
FILTD
4.7K
33 FILS
34 VDDA
C745 104Z
35
VSSA
R739
R740
36
RESET
4.7K
330
37 DD
38 DC
R741 AUDATA2
39
10K R742
330
C746
101J
L803
+5V
022M
33
2.5V
RIN+
32
2.5V
RIN-
31
LIN+
30
2.5V
2.5V
LIN-
29
SW
28
CENTER
27
RS
26
LS
25
R
24
L
23
+5V
LIN-
LIN+
2.5V
BIAS
RIN+
RIN- +12
-12V