Dsp Assy (1/3) - Pioneer VSX-LX70 Service Manual

1

10.18 DSP ASSY (1/3)

A
A17
PAD8
PAD9
PAD10
B
PAD11
PAD0
PAD1
PAD2
PAD3
R174
XWR
PAD12 47
PAD13
PAD14
PAD15
A18
STBY
C
TP533
SRAM
A17
A16
A15
A14
A13
PAD7
PAD6
PAD5
PAD4
R176
XWR
A11 NM
A10
A9
A8
A18
D
E
M 2/3, 3/3
CLK
TP002 TP004
GNDD
F
CN401
AKP7198-A
M
1/3
L
138
1
2
M 2/3, 3/3
SRAM
3.3V
IC171
CY7C1049D3310VXI
4M 36Pin(8bit X 512kW)
1 36
A0 NC2
2 35
A16
A1 A18
3 34
A15
A2 A17
4 33 A14
A3 A16
5 32
A13
A4 A15
PAD7
R175
6 31 XRD
CE OE
PAD6
7 30
47 PAD7
I/O0 I/O7
PAD5
8 29
PAD6
I/O1 I/O6
PAD4
9 28
VCC1 GND2
PAD3
10 27
GND1 VCC2
PAD2
11 26
PAD5
I/O2 I/O5
PAD1
12 25
PAD4
I/O3 I/O4
PAD0
13 24
A12
WE A14
14 23 A11
A5 A13
15 22
A10
A6 A12
16 21
A9
A7 A11
17 20 A8
A8 A10
18 19
A9 NC1 V3A6
PAD15
VD3
PAD14
C183
PAD13
100u/16 PAD12
PAD11
PAD10
PAD9
PAD8
TP534
V3A7
IC172
NM
4M 36Pin(8bit X 512kW)
1 36
A0 NC2
3.3V
2 35
PAD8
A1 A18
3 34
PAD9
A2 A17
4 33
PAD10 R165
A3 A16
5 32
PAD11 R166
A4 A15
R177
6 31 XRD
CE OE
R167
7 30
NM PAD0
I/O0 I/O7
8 29
PAD1
I/O1 I/O6
9 28
VCC1 GND2
10 27
GND1 VCC2
11 26 PAD2
I/O2 I/O5
12 25
PAD3
I/O3 I/O4
13 24
A12
WE A14
14 23 PAD12
A5 A13
15 22
PAD13
A6 A12
16 21
PAD14 A16
A7 A11
17 20
PAD15 A15
A8 A10
18 19
A14
A9 NC1
A13
A12
A11
A10
GNDD
A9
A20
A19
A18
A8
PAD15
PAD14
PAD13
PAD12
PAD11
PAD10
AWX8869
IC164 AYW7178-A
3.3V
0V
3.3V
0V
TP010 TP012 TP015 TP024
TP009 TP016 TP023
TP008 TP022
TP017
TP007 TP018 TP021
TP006 TP019 TP020
5/7
CN303
2
3
M 2/3 M 3/3
V3A2 VD3
C181
NM
C162
NM
C161
YB 3.3V
0.1u/10
IC161
1 20
OE VCC
2 19
1 8
D0 Q0
3 18 R161 7
2
D1 Q1
4 17 47
3 6
D2 Q2
5 16
4 5
D3 Q3
6 15
1 8
D4 Q4
7 14 R162
2 7
D5 Q5
47
8 13
3 6
D6 Q6
9 12
4 5
D7 Q7
10 11
GND LE
TC74VHC573FTS1
V3A3
C164
NM
C163
0.1u/10 YB
IC162
1 20
OE VCC
2 19
TP532
D0 Q0
3 18 TP531
D1 Q1
4 17
R164
D2 Q2
47
5 16
Q3
D3
6 15 8 1
D4 Q4
7 14 R163
7 2
D5 Q5
47
8 13
6 3
D6 Q6
9 12
5 4
D7 Q7
10 11
GND LE
TC74VHC573FTS1
V3A4
IC163
8 1
A
VCC
47 7 2
Y0 B
47 6 3
Y1 Y3
5 4
Y2 GND
NM
TC7W139FU
C182
3.3V
NM
V3A5
L164
QTL1013-A
*IC164
1 48
A15 A16
2 47
A14 /BYTE
3 46
A13 VSS
4 45
A12 A-1
5 44
A11 DQ7
6 43
A10 DQ14
7 42
A9 DQ6
8 41
A8 DQ13
R171
9 40
A19 DQ5
10 39 TP537
47
NC10 DQ12
11 38
WE DQ4
12 37
RESET VSS
5
1
13 36
4
INB
NC13 DQ11
INA
OUTY
14 35 2
3
NC14 DQ3
15 34
RY/BY DQ10
IC165
16 33
A18 DQ2
TC7SH32FUS1
17 32
A17 DQ9
18 31
A7 DQ1
19 30
A6 DQ8
20 29
A5 DQ0
R170
21 28
A4 /OE
22 27 47
A3 VSS
TP536
23 26
A2 /CE
24 25
A1 A0
GNDD
ROWE FLASH rewrite
H prohibit
L enable
TP044
TP028 TP043
TP042 TP048
TP029 TP038
TP030 TP039 TP041 TP047
TP031 TP032 TP034 TP036 TP040 TP046
TP027
L 5/7
CN304
VSX-LX70
3
4
A15
A14
A13
A12
A11
A10
A9
A8
ALE
A20
A19
A18
A17
A16
ALE
PAD7
PAD6
PAD5
PAD4
PAD3
PAD2
A17
PAD1
PAD0
PAD8
PAD7
PAD6
PAD5
PAD4
XWR
PAD3
PAD2
PAD1
PAD0
XRD
PAD9
3.3V
V3A8
TC74VHC08FTS1
IC401
R401 14
9
R403
8
100
22
10
7
14
12
R404
R402 11 IC401
100
22
13
7
R405 14
4
*R411
R407
6
IC401
100
22
5
7
14
R406 1
R408
3
100
22
2
7
IC401
3.3V
0V
M 2/3, 3/3
CONT
STBY
VDD5
TP051
CN402
AKP7198-A
4
3rdDSP
V3A9
*L402
*C412
YB
*C411 3.3V
YB
5
1
*R412
4
INB
INA
OUTY
2
3
*IC411