Onkyo TX-NR900

TX-NR900/E
SCHEMATIC DIAGRAM 2-1 DSP and Main Microprocessor Section
A
1
2
3
4
5
BCD
U1
A
0122
A1
114
A1
A1
A1
A1
A1
A153
4
A163
3
A1723
A
2113
A3 10 6
A4
10
5
A5
95
A6
86
A
7
7
8
A
8
7
7
A
B
C
K
I
B
C
K
I
B
C
K
I
B
C
K
BO
O
T142
B
S
T1
41
BTACT17
BTSL
134
C
S
0 8
4
D0
12
9
D1
128
D10
93
D
1
1
9
2
D12
89
D13
88
D1
4
87
D1
5
80
D16
7
9
D
1
D
1
D
1
D2
125
D
2
D
2
D
2
D
2
D
2
D
2
D
2
D2
7
32
D28
31
D292
2
D3
12
4
D30
21
D3120
D4123
D5
116
D6
1
15
D
7
1
04
D
8
10
3
D9
94
EXLOCK
136
EXTI
N
2
G
P
0
1
32
G
P
1
1
31
G
P10
10
7
G
P
2
130
G
P
3
12
0
G
P
4
119
G
P
5
1
1
8
G
P
6
1
12
G
P
7
111
G
P
8
110
G
P9
10
8
HACN
83
HCLK
75
HC
S
76
HDIN
7
4
HDOUT
82
K
FSI
LRC
K
I
1
29
LR
C
K
I
23
6
L
RC
KI
3
L
RC
K
MCLK1
14
4
MC L K2
1
39
MO D 0
6
MO D 1
5
M
N.
C
NC3
13
3
NC4
135
OE
0
12
1
PAGE0
15
PAGE1
14
PAGE2
13
PLO
C
K16
P
M
1
40
SC
KOUT1
0
SDI127
SDI22
8
SD
I
33
5
S
DI
4
SD
O
S
D
O
SDO325
SDO426
SP
DI
SYNC12
T
CK
97
T
D
I
9
8
T
D
O
99
TMS
10 0
VD
DE1
18
V
D
D
E
V
D
DE3
90
VD
DE4126
VD
DI1
1
VD
DI
2
1
1
VD
D
I
VD
DI5
7
3
V
D
DI
6 96
VD
DI7
109
V
D
DI8
137
VS
S0
7
VS
S
19
V
S
S
1
0
10 2
VS
S11
117
VS
S121
27
VS
S
1
3
1
38
VS
S1
4
143
VS
S2
19
VS
S3
24
V
S
S43
0
VS
S
V
S
S
VS
S
VS
S8
81
VS
S
9
91
WE0
8
5
WMD0
4
WMD1
3
XRST
8
X
TRST
10
1
A
011
2
A
111 0
A10
8
5
A11 84
A12 83
A1
3
6
6
A1
4
65
A15
6
4
A1
6
63
A17
62
A
210 9
A3
9
7
A4
96
A59
5
A69
4
A79
3
A892
A9
8
2
B
C
K
I1
17
B
C
K
I2
29
B
C
K
I
3/F
S
1
6
B
C
K
O
20
BO
O
T
5
4
B
ST
56
CS
0
4
4
D0
10 8
D1
10 7
D10/G
P2
78
D1
1/G
P3
7
7
D1
2/G
P4
7
5
D13/G
P5
74
D14/G
P6
73
D15/
G
P7
72
D2
1
05
D3
1
04
D4
1
0
3
D5
10 2
D6
9
9
D7
98
D8
/
G
P
0
8
0
D9
/
G
P
1
7
9
DQM/
OE
0
43
EXLOC
K 59
EX
TIN
3
G
P/1
4RAS
3
9
G
P10
67
G
P1 1 /V S
S
1
18
G
P12
/SD
C
LK
37
G
P1
3/
C
L
K
EN
3
8
G
P1
5
/
CA S 42
G
P8
69
G
P9
68
H
ACN
32
HC
LK
34
HCS 36
H
DI
N 33
HDO
U
T 35
KFS O2
2
LRCK
I
1
15
LRCK
I
2
2
8
LRC
K
I
3/ FS2
4
L
RCKO1
9
MC
LK19
MCL
K2
12
MOD0 5
8
MOD1 57
MS
13
PAGE0
5
3
PAGE
1
5
2
PA
GE
2 50
PLOC
K
7
PM
11
3
SC
K
OUT
14
SDI
1
18
S
DI
2
30
SDI3
11
4
SDI4
11
5
SDO1
23
SDO2
24
SD
O
3
25
SD
O
4
26
SPD I
F
27
SYNC
1
16
TC
K 8
9
T
DI
9
0
TD
O
86
TMS
87
TST1/
BT ACT
5
5
T
S
T
2/V
S
S
11 7
TST3/V
S
S
11
9
VD
D
1
10
VD
D
E0
16
VD
DE
14
6
VD
DE 2
7
6
VDDE3106
VDDI0
5
VD
DI 2 4
0
VD
DI
3
60
VD
DI
4 7
0
VDDI510 0
VDDI6
12
0
VSS0
1
VSS18
VS
S10
8
1
VSS1
1
91
VSS1
2
10 1
VSS1
3
11
1
VS
S
2
1
1
VS
S3
2
1
VS
S4
31
V
S
S5
41
VS
S6
4
8
VS
S7
5
1
V
SS8
61
VS
S9
7
1
WE0 45
WMD0 49
WMD1
4
7
XR
ST2
XTRST
8
8
P10
0
FROM
FRONT
U1
05
TOT
X
1
79
U1
04
T
OTX
1
7
9
P101
COAXIA
L2
COAXIAL1
COAX
IAL3
Q130
74HCU04
1
2
3
4
5
6
8
9
10
1
1
12
1
3
GND 7
VC
C
14
U101 TORX1
7
9
OP
T2
U1
02 TORX179
OP
T
3
U1
03TORX1
7
9
O
PT4
U1
0
0
TORX1
7
9
OP
T1
X
1
6
X751
XTL-
1
3.5
M
X7
0
0
XT
L-1
3.5M
R174
330
R136
10K
R1
37
10K
R175
330
R1
73
1K
R132
7
5
R1
31
7
5
R1
33
B
K
1
60
8M182T
R
130
75
R14
5
47
R140
470
R141
4
70
R142
4
70
R139
4
70
R147
47
R14
8
R1
49
1
K
R1
3
8
10
K
R1
4
6
47
R14
3
4
7
R144
4
7
R150
2
2
0
R
151
1K
R
152
1K
R1
53
1K
R155
22
0
R15
6
18
K
R1
5
7
4
70
R1
58
4
70
R1
59
47
0
R160
4
7
0
R1
5
4
22
0
L1
3
6
4
70
M
L13 0
4
7
0
M
L7 01
0
22
M
L17 0
4
70M
NCH-
1
4
79
L1
33
0
2
2
M
L1 32
B
K1
60 8
L
M1
8
2
L
1
31
02
2M
L135
02
2
M
L
134
B
K16
08LM
1
82
C1
6
6
4
74
K
C
7
6
3
1
04Z
C17
3
15
0J
C169
1
04Z
C137
080
D
C138
0
8
0D
C
140
104
Z
C128
104Z
C12
2
1
04Z
C
1
32
101J
C131
101J
C13
0
101
J
C1
74
1
0
4Z
C1
7
1
1
04
Z
C175
1
04
Z
C1
61
22
0
J
C1
6
4
4
7
0
J
C
1
63
4
70J
C151
10
4
Z
C14
9
1
0
4
Z
C129
104
Z
C139
0
80D
C
190
1
0
4Z
C7
61
10
4Z
C71
2
104Z
C7
62
1
04Z
C
16
8
1
0
4Z
C
757
C759
104Z
C760
1
04Z
C7
6
7
104
Z
C768
1
0
4
Z
C758
104Z
C7
5
1
104
Z
C752
104
Z
C
75
3
1
04
Z
C7
11
1
0
4Z
C70
0
10
4Z
C7
09
1
0
4
Z
C7
10
10
4Z
C147
104
Z
C133
1
0
4Z
C135
10
4
K
C13
6
1
0
4
K
C1
43
104
Z
C14
4
10
4Z
C145
1
04Z
C
142
104Z
C134
10
4
K
C146
10
4Z
C179
1
0
4
Z
C155
102
K
C156
1
01
J
C158
104Z
C704
10
4Z
C705
1
04Z
C7
06
1
04Z
C703
2
2
0J
C702
2
20J
C701
1
0
4Z
C707
10
4Z
C708
104Z
C1
4
1
4
7/
6
.
3
C1
77
1
0
0
/4
C
17
8
10
0
/
4
C1
76
47/1
6
C170
47/6
.
3
C172
47/6
.
3
C150
1
0/
16
C167
4
7/6.3
C765
10
0
/
4
C764
10
0
/4
C720
100/
4
C7
19
1
0
0
/
4
C1
48
4
7/6.3
C1
5
2
4
7
/4
C157
1
00/4
C
15
9
0.4
7/50
R1
64
1
0
0
R1
6
1
1
.
5
K
R7
102
1
0K
R7
103
10
L702
0
.
82
R1
63
5.
6K
R165
1
K
R1
66
1K
R
167
1K
R1
6
8
1K
R1
7
6
R1
6
2
1.5
K
R
196
3
3
0
R
195
33
0
R1
94
47
R1
97
47
R
198
3
3
0
R
19
9
33
0
R169
4
7
R779
1K
R7
8
0
1K
R78
1
1K
R7
55
47
R7
5
7
3
3
0
R7
58
33
0
R7
56
47
R760
5
6
R7
61
5
6
R7
59
33
0
R7
6
2
R7
63
3
3
0
R784
1
K
R783
2
2
0
R785
5
6
R
7
86
56
R795
4.
7
K
R7
47
1
K
R750
1
K
R794
56
R
798
1
K
R793
56
R7
92
56
R745
330
R
797
1
K
R796
1K
R7
43
1K
R191
3
30
R716
3
3
0
R717
1K
R718
1K
R
719
330
R725
1K
R
720
1
K
R727
3
3
0
R7
30
1
K
R
710
47
R71
1
4
7
R712
4
7
R7
14
3
3
0
R
7
15
33
0
R734
3
30
R7
09
4
7
R7
13
3
3
0
R7
08
33
0
R702
3
3
0
R70
0
1K
R
701
3
3
0
R7
03
330
R705
3
3
0
R7
06
3
3
0
R707
3
3
0
R73
3
330
R732
330
R190
1K
R192
3
3
0
R193
47
Q131
A
K4141VQ
DIR
A
VD
D3
8
AVS
S5
41
B
IC
K
26
BO
UT
17
C
M0/C
DTO/ CAD1 32
CM1/C
SN/SD A
33
CO
UT
18
DAUX
2
8
DI
F 0/RX 5
3
DIF 1/RX
6
5
D
I
F2/RX7
7
D
VD
D21
D
VS
S 22
INT0 36
IN
T
1
3
7
IPS 0/RX
4
1
IP
S1
/
II C
8
LR
C
K
2
4
MC
KO1 2
3
MC
KO227
NC02
NC1
6
NC
2
1
4
N
C
4
43
NC547
OC
KS0
/C
CLK/SCL
3
4
OC
KS0
/CSN /CAD0 3
5
P/
SN
9
R3
9
RX04
2
RX14
4
RX2
4
6
RX348
SDT
O
2
5
T
E
S
T14
5
TEST24
TV
D
D
1
3
TX
0
1
5
TX
1
16
UO
UT
19
VCOM
40
VIN
12
VO
UT
20
XTI
3
0
XTL010
XTL11
1
XTO
29
PD
N
3
1
Q1
62
K
RC104
S
RN1
4
0
4
P7
5
0
P603 B
FROM
NADG
-76
62
P7
01
Q1
20
TC
74VHC40
4
0
CL_
10
Q1
9
Q10
14
Q11
15
Q
1
2
1
Q2
7
Q3
6
Q4
5
Q5
3
Q6
2
Q74
Q8
13
Q9
12
RSET
11
VD
D 16
VS
S
8
Q7
51
TC74VH
C7
4FT
SN74AHC541
1
C
K
3
1D
2
1
Q5
2C
K 11
2
D
12
2Q 9
GND
7
VC
C
1
41CLR
1
1
PR
4
1
Q
6
2C
LR
1
3
2PR
10
2
Q
8
Q701
TC74VH
C
74FT
SN74AHC74
1CK
3
1D2
1Q5
2
C
K
1
1
2D
12
2
Q
9
GN
D7
VCC
14
1CLR
1
1PR
4
1
Q
6
2
CLR
13
2
PR
1
0
2Q
8
Q1 7
0
MP
C2925T
G
I
O
Q1
71
MPC293
3
T
G
I
O
Q161
7
8
L
05
G
I
O
R126
R124
B
K160
8
LL241
R125
BK1608 L
L
24
1
L1
60
470M
L1
6
2
4
7
0M
L
161
C1
6
5
1
0
2
J
Q1
60
T
C
9
24
6
F
AMPI
4
AMPO
5
C
KO
10
LOCK 15
M1
1
1
M
2
1
2
PD
2
RE
F1
S
1
1
3
S2 14
VD
D
16
VD
DA
3
VS
SA
6
XI
7
R790
56
R7
90
56
R7
90
5
6
R790
56
R78
2
5
6
R782
5
6
R
782
56
R
7
82
56
R7
87
56
R7
87
56
R78
7
5
6
R7
8
8
5
6
R7
88
56
R7
88
56
R7
8
8
56
R789
56
R
78
9
5
6
R789
5
6
R789
5
6
R791
56
R791
5
6
R791
5
6
R7
9
1
5
6
R
78
7
5
6
Q1
90
TC
74HC15
7
SN74
A
HC157
1A
2
1
B3
1Y
4
2A
5
2
B6
2Y
7
3
A
1
1
3B
1
0
3
Y
9
4
A
1
4
4
B
1
3
4Y 1
2
GND
8
VC
C
16
SEL
1
ST
1
5
Q7
05CY7
C1019
BV
33-
1
5V
C
T
A
0
4
A1 3
A
10
1
9
A1
1
18
A1
2
17
A
1
3 1
6
A
14
1
5
A15
14
A16
13
A
2
2
A
3
1
A4
32
A531
A6
30
A72
9
A821
A920
GN D 1 9
GND225
I/
O1
6
I/
O2
7
I/O3
10
I/O4
11
I
/O 5
22
I
/O 6
23
I
/O7
2
6
I
/O8
27
VC
C
1
8
VC
C
2
24
CS
5
OE
28
WE
12
Q70
6
CY7C1
01 9BV3 3
-
15
V
CT
A
0
4
A1 3
A1019
A1118
A1
2
17
A1
3
16
A1
4
15
A1
5
1
4
A16
1
3
A2 2
A
3
1
A4
3
2
A5
3
1
A630
A
7
2
9
A
8
21
A92
0
GND1 9
GND
2
25
I/O1 6
I/O2 7
I/O3
10
I/O4
1
1
I/O
5
2
2
I
/O 6
23
I/O726
I/O827
VC
C1
8
VC
C2
2
4
C
S
5
OE
2
8
W
E
12
Q1
21
T
C7
4
V
HCT0
0
1
A
1
1
B
2
1Y
3
2A4
2B5
2
Y
6
3A
10
3B 9
3Y 8
4A
13
4
B
1
2
4Y
11
GN
D
7
VC
C
14
DSPPM
I
NT
1
DSP1G
P8
TDI
TC
K
DSP
1G
P9
D
S
P
1
X
R
S
T
D
S
P
1
T
MS
D
S
P
1
T
D
O
DS
P1G
P1
0
R
A
MC
E
D
1
D0
R
A
M
C
E
"
A13
A1
4
A
15
A
16
A16
A3
A2
A1
A
0
WE0
D8
D9
D1
0
D11
A1
3
A14
A1
5
A3
A2
A
1
A
0
WE0
D3
D2
I
NT1
D
S
P
1
B
S
T
A4
A5
A6
A7
A
8
D
7
D6
D
1
4
D
1
5
O
E
0
A9
A1
0
A1
1
A1
2
A4
A5
A6
A7
A8
D12
D13
D5
D4
OE
0
A9
A10
A11
A12
DSP2HAC
N
DS
P2HDOU
T
W
E
0
CS
0
DSP
2H
D9
D10
D11
D1
2
D1
3
D1
4
A6
D1
5
A
7
A8
A3
A
4
D
7
D
8
A5
DS
P
DS
P
D2TMS
D
2TDO
D2TDI
D2TC
K
DSXRST
DSP
PM
DSP1HCS
D
S
P
1
H
D
OU
T
A2
DSPCL
A1
DSPD
A
D6
D
S
P
1
H
A
C
N
D5
OE0
A
0
D
S
P
1
R
S
T
1
D4
D3
D2
B
C
K
I
2
SDI2
LRC
K
I
2
DSP12SD1
DSP12SD2
DSP12SD3
DSP12SD4
DIRLRCK
DI
RB
CK
DIRDA
DAL
RC
K
DA
CB
C
K
D1
D0
+
3.3V
+2
.
5
V
B
C
KEX2
LRCK
I
2
LRC
KEX2
D
AL
RC
K
GND
L
RC
KEX
2
DALRC
K
LR
C
K
I
2
B
CKEX2
DA
C
B
C
K
B
C
K
I
2
+3.3V
I
NT
1
SD IEX2
+
5
V
DAC
DSP
P
M
DSP2BST
DSP2
RST
DAC
B
C
K
LRCLPL
L
SDI2
DALRC
K
A1
6
A15
E
X2
DSP1
2SD3
SDI
2
DACD
A4
DACDA3
DALRC
K
DSP12SD
1
DSP12SD
2
AD DA
SDIEX
2
AD
D
A
LRCL PLL
EX2
OPT
VC
C
MC
K1
DAC
B
C
K
DA
L
RC
K
+
5
V
D
AC
+5
VDAC
+2.5V
MC
K2
D
IRCS
DSPCL
DS
PDA
CD
TO
DI
RPD
DIRB
C
K
DI
RD
A
+
3.
3
V
U
P
SMPL
+3
.
3
V
XTI
+5VDSP
I
NT
1"
INT0
"
DA
LRC
K
+
2.
5
V
+5VDSP
M
C
K2
UPSMPL
DI RL
RC
K
MC
K1
XT
I
GN
D
+
3.3V
+3.3V
2
NDPL
L
L
OCK
2
NDP
LLCL
2NDPLLCS
DS
PDA
OPTFRO
NT
COAXIA
L1
COA
XI
A
L
2
OPTOUT
+15V
C
OAXI
A L3
DA C
B
C
K
OPTOU
T
MC
K1
GND
DA
C
OPT1
OPT2
L
RC
LPLL
OPT3
OPT
4
GND
DAC
GND
DAC
+5
V
DS
P
C769
220J
C77
0
2
20J
R13
5
B
K16
08M182T
R1
34
B
K
1608M182T
Q700
MB86D41PFV-G-BND
DD/DTS/AAC DECODER
Q703
MB86344BPFV-G-BND
THX/OOS/BASS-MANAGEMENT
330
(SCH. 10)
(SCH. 1)