Dsp Section - Onkyo TX-SR876 Service Manual

A
SCHEMATIC DIAGRAMS-11 (SD-11)

DSP SECTION-2

NADSP-9072(2/2)
1
U25
DSP PC BOARD
TO NADSP-9072(1/2)
SD-10:H1
CPU_CONTROL
2
3
TO NADSP-9072(1/2)
SD-10:H1,H5
I2S_SIGNAL
+2.4VDSP23
+3.3VDSP
4
GNDDG
JTAG
BD7820
Q7222
D7225
1SS352
5
B
+1.2V
+3.3V
109
VSS
DIGSDO R3508 1K 110
SPIO_SIMO
R3509 47
DIGSDI 111
SPIO_SOMI/I2C0_SDA
112
DVDD
R3510 47
PCMF3 113
AXR0[0]
114
VSS
PCMSUR3 R3511 47 115
AXR0[1]
PCMCSW3 R3512 47 116
AXR0[2]
R3513
PCMSB3 47 117
AXR0[3]
118
VSS
R3514 10K
119
AXR0[4]
R3515 10K
120
AXR0[5]/SPI1_SCS
R3516 10K 121
AXR0[6]/SPI1_ENA]
R3517 10K
122
AXR0[7]/SPI1_CLK
C3526 104Z 123
CVDD
124
VSS
C3527 104Z 125
DVDD
R3518 10K
126
AXR0[8]/AXR1[5]/SPI1_SOMI
R3519 10K 127
AXR0[9]/AXR1[4]/SPI1_SIMO
128
CVDD
129
VSS
R3520 10K 130
AXR0[10]/AXR1[3]
R3521 330
PCMF2 131
AXR0[11]/AXR1[2]
C3528 104Z
132
CVDD
133
VSS
PCMSUR2 R3522 330 134
AXR0[12]/AXR1[1]
R3523 330
PCMCSW2 135
AXR0[13]/AXR1[0]
C3529 104Z 136
DVDD
PCMSB2 R3524 330 137
AXR0[14]/AXR2[1]
R3525 10K 138
AXR0[15]/AXR2[0]
R3526 330
BCK2 139
ACLKR0
140
VSS
LRCK2 R3527 330 141
AFSR0
R3528 47
BCK3 142
ACLKX0
R3529 10K 143
AHCLKR0/AHCLKR1
R3530 47
LRCK3 144
AFSX0
C3542
MCK
220/4
R3501 330
DSP2RST R3502 1K
C3541
220/4
+1.2VDSP23
L3571
LBC2518T470M
+1.2V
104Z
C3573
C3574 100/4
Q3571
1 8
VD
L3572 R3572
2 7
3 6
LM182 220
4 5
GND
R3571 1M
X3571
17.734MHz
C
VSS
EM_CKE
EM_CLK
VSS
DVDD
EM_WE_DQM[1]
EM_D[8]
CVDD
EM_D[9]
EM_D[10]
VSS
EM_D[11]
DVDD
EM_D[12]
EM_D[13]
CVDD
Q3501
EM_D[14]
TMS320D788E001BRFP266
EM_D[15]
VSS
2nd DSP
CVDD
EM_D[0]
EM_D[1]
DVDD
EM_D[2]
EM_D[3]
VSS
EM_D[4]
EM_D[5]
CVDD
EM_D[6]
DVDD
EM_D[7]
VSS
EM_WE_DQM[0]
EM_WE
EM_CAS
104Z
C3508
C3507
220/4
L3501
ACF451832-333
TX-SR876/SA876
D
GPIO3B
GPIO2B
GPIO1B
A11B
A10B
A9B
72 A8B
71 CKE_B A7B
R3504
70 CLK_B
69
47
C3518
68 WE_B 1K
R3554
67 104Z UDQM_B DSP2RST
66 D8B
C3552
C3517
65
101J
64 104Z D9B
63 D10B
62 GPIO5B
61 D11B A6B
C3516
60 A5B
59 104Z D12B A4B
58 D13B A3B
C3515
57 A2B
56 104Z D14B A1B
55 D15B A0B
54
C3514
53
52 D0B
104Z
51 D1B
C3513
50
C3561
1
49 D2B VCC0
104Z
D0B 104Z 2
DQ0
48 D3B
D1B 3
47 DQ1
4
GNDQ1
46 D4B
5
D2B
45 D5B DQ2
D3B 6
C3512 DQ3
44
C3562
7
43 104Z D6B VCCQ1
D4B 8
104Z
C3511 DQ4
42
9
D5B
41 D7B DQ5
104Z
10
40 GNDQ2
D6B 11
DQ6
39 LDQM_B
D7B 12
38 WE_B DQ7
C3563
13
VCCQ2
37 CAS_B
LDQM_B 14
104Z
LDQM
WE_B 15
_WE
16
CAS_B
_CAS
RAS_B 17
_RAS
+3.3V 18
SDCS_B
_CS
BA0B 19
A11
A10B 20
A10
A0B 21
+1.2V
A0
A1B 22
A1
23
A2B
A2
A3B 24
A3
C3564
25
VCC1
104Z
C3567
220/4
1 48
A15 A16
2 47
A14 BYTE#
3 46
A13 GND
4 45
A12
Q15
5 44
A11 Q7
6 43
A10 Q14
7 42
A9 Q6
8 41
A8 Q13
9 40
NC Q5
10 39
NC Q12
11 38
WE# Q4
12 37 C35
RESET# VCC
10
13 36
NC Q11
14 35
NC Q3
15 34
RY/BY# Q10
16 33
NC Q2
17 32
A17 Q9
18 31
A7 Q1
19 30
A6 Q8
20 29
A5 Q0
21 28
A4 OE#
22 27
A3 GND
23 26
A2 CE#
24 25
A1 A0
C35
+3.3V
220
50
GND2
49
DQ15
48
DQ14
47
GNDQ4
46
DQ13
45
DQ12
C35
44
VCCQ4
43 104
DQ11
42
DQ10
41
GNDQ3
40
DQ9
39
DQ8
C35
38
VCCQ3
37
104
NC2
36
UDQM
35
CLK
34
CKE
33
NC1
32
A9
31
A8
30
A7
29
A6
28
A5
27
A4
26
GND1
+3.3VS2
+3.3V