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

1

10.20 DSP ASSY (3/3)

A
3rdPH
B
4M 36Pin(8bit X 512kW)
1
A17A
PAD8A 2
PAD9A 3
PAD10A 4
5
PAD11A
6
7
PAD0A
8
PAD1A
9
10
11
PAD2A
12
PAD3A
*R374
13
XWRA
PAD12A 14
PAD13A 15
PAD14A 16
17
PAD15A
18
A18A
C
TP734
SRAM
TP733
4M 36Pin(8bit X 512kW)
1
A17A
A16A 2
A15A 3
A14A 4
5
A13A
6
7
PAD7A
8
PAD6A
9
10
11
PAD5A
12
PAD4A
D
*R376
13
XWRA
A11A 14
A10A 15
A9A 16
17
A8A
18
A18A
GNDD
E
ROWE
M 1/3, 2/3
F
M
3/3
142
1
2
M 1/3, 2/3 M
SRAM
3.3V
*IC371
36
A0 NC2
35 A16A
A1 A18
34 A15A
A2 A17
33 A14A
A3 A16
32
A13A
A4 A15
PAD7A
*R375
31
XRDA
CE OE
PAD6A
30
PAD7A
I/O0 I/O7
PAD5A
29
PAD6A
I/O1 I/O6
PAD4A
28
VCC1 GND2
PAD3A
27
GND1 VCC2
PAD2A
26
PAD5A
I/O2 I/O5
PAD1A
25
PAD4A
I/O3 I/O4
PAD0A
24
A12A
WE A14
23 A11A
A5 A13
22 A10A
A6 A12
21 A9A
A7 A11
20
A8A
A8 A10
19
A9 NC1 V3C6
*R906
PAD15A
VD3
PAD14A
*C383
PAD13A
PAD12A
PAD11A
PAD10A
PAD9A
PAD8A
V3C7
*IC372
36
A0 NC2
3.3V
35 PAD8A
A1 A18
34 PAD9A
A2 A17
33 PAD10A
*R365
A3 A16
32
PAD11A *R366
A4 A15
*R377
31
XRDA *R367
CE OE
30
PAD0A
I/O0 I/O7
29
PAD1A
I/O1 I/O6
28
VCC1 GND2
27
GND1 VCC2
26
PAD2A
I/O2 I/O5
25
PAD3A
I/O3 I/O4
24
A12A
WE A14
23 PAD12A
A5 A13
22 PAD13A *IC364
A6 A12
21 PAD14A A16A 1
A7 A11 A15
20 2
PAD15A A15A
A8 A10 A14 /BYTE
19 3
A14A
A9 NC1 A13
4
A13A
A12
5
A12A
A11
6
A11A
A10 DQ14
7
A10A
A9
8
A9A
A8 DQ13
9
A20A
A19
10
NC10 DQ12
11
WE
12
RESET
13
NC13 DQ11
14
NC14
15
RY/BY DQ10
16
A19A
A18
17
A18A
A17
18
A8A
A7
19
PAD15A
A6
20
PAD14A
A5
21
PAD13A
A4
22
PAD12A
A3
PAD11A 23
A2
PAD10A 24
A1
ROWE FLASH rewrite
H prohibit
L enable
2
3
1/3 M 2/3
V3C2 VD3
*C381
3.3V
*C362
*C361
YB
*IC361
1 20
OE VCC
2 19
1 8 A15A
D0 Q0
3 18 *R361
2 7 A14A
D1 Q1
4 17
3 6 A13A
D2 Q2
5 16
4 5 A12A
D3 Q3
6 15
1 8 A11A
D4 Q4
7 14 *R362
2 7 A10A
D5 Q5
8 13
3 6 A9A
D6 Q6
9 12
4 5 A8A
D7 Q7
10 11 ALEA
GND LE
V3C3
*C364
*C363
YB
*IC362
1 20
OE VCC
2 19
TP732
D0 Q0
3 18
TP731
D1 Q1
4 17
D2 Q2 *R364
5 16 A20A
D3 Q3
6 15 A19A
8 1
D4 Q4
*R363
7 14 A18A
7 2
D5 Q5
8 13
6 3 A17A
D6 Q6
9 12
5 4 A16A
D7 Q7
10 11
ALEA
GND LE
V3C4
*IC363
8 1
A
VCC
7 2
B
Y0
6 3
Y1 Y3
5 4
Y2 GND
*C382
V3C5
*L364
*R905
48 A17A
A16
47
46
3.3V
VSS
45
PAD8A
A-1
44
PAD7A
DQ7
43
PAD6A
42
PAD5A
DQ6
41
PAD4A
*R371
40
DQ5
39 TP737
XWRA
38
DQ4
37
*IC365
VSS
36
5
1
4
35
INB
DQ3 INA
OUTY
2
34 3
33
DQ2
32
PAD3A
DQ9
31
PAD2A
DQ1
30
PAD1A
DQ8
29
PAD0A
DQ0
TP736
*R370
28
XRDA
/OE
27
VSS
26
/CE
25 PAD9A
A0
GNDD
VSX-LX70
3
4
PAD7A
PAD6A
PAD5A
PAD4A
PAD3A
PAD2A
PAD1A
PAD0A
XWRA
4