Parts - Pioneer VSX-52TX Service Manual

5

7.2 PARTS

QQ
7.2.1 IC
3 7 63 1515 0
• The information shown in the list is basic information and may not correspond exactly to that shown in the schematic diagrams.
List of IC
DSPA56371AF180, AK4628VQE, PD5957A, PE5403A
DSPA56371AF180 (DSP ASSY: IC801)
• DSP Microcomputer
Pin Function
No. Pin Name
1 SDI1
2 GNDIO
3 VDDIO
4 SDO3
5 SDO2
6 SDO1
7 SDO0
8 VDDCO
9 PF8
10 PF6
11 PF7
12 GNDCO
13 PF2
14 PF3
15 PF4
16 PF5
17 VDDIO
TE 18 PF1
L 13942296513
19 PF0
20 GNDSP
21 PF9
22 SCAN
23 PF10
24 GNDIO
25 VDDIO
26 PB0
27 PB1
28 GNDCO
29 VDDCO
30 TDO
31 TDI
32 TCK
33 TMS
34 MOSI
35 MISO
36 SCK
37 SS
38 HREQ
39 VDDPA
40 GNDPA
41 VDDPP
www
42 GNDPP
43 GNDPD
44 VDDPD
45 EXTAL
.
5
http://www.xiaoyu163.com
6
I/O
I Digital audio data (Front L/R)
−
Interface GND
−
Interface power supply (3.3V)
O Digital audio data (Surround Back L/R)
O Digital audio data (Center/Subwoofer)
O Digital audio data (Surround L/R)
O Digital audio data (Front L/R)
−
Core power supply (1.25V)
O General-purpose port
−
General-purpose port: LOCK
O General-purpose port
−
Core GND
O General-purpose port
O General-purpose port
O General-purpose port
O General-purpose port
−
Interface power supply (3.3V)
O General-purpose port
O General-purpose port
−
GND for S/PDIF
O General-purpose port
I Test pin
O General-purpose port
−
Interface GND
−
Interface power supply (3.3V)
I General-purpose port
I General-purpose port
−
Core GND
−
Core power supply (1.25V)
O JTAG data output
I JTAG data input
I JTAG test clock
I JTAG mode select
I Communication data input with the microcomputer
O Communication data output with the microcomputer
I Communication clock with the microcomputer
I Communication chip select with the microcomputer
O Communication request with the microcomputer
−
PLL power supply (3.3V)
−
PLL GND
−
PLL power supply (3.3V)
−
PLL GND
−
PLL GND
x ao u163
y
−
PLL power supply (1.25V)
I External clock input
i
6
http://www.xiaoyu163.com
7
2 9
8
Pin Function
Q Q
3 6 7 1 3 1 5
co
.
VSX-52TX
7
8
9 4 2 8
0 5 8 2 9 9 4 2 8
m
9 9
A
Active
B
C
9 9
D
H
L
E
L
H
F
133
8