Pioneer VSX-AX5Ai-S Service Manual page 148

Audio/video multi-channel receiver
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1
PEG040B8 (MAIN CONTROL ASSY: IC501)
• Main Microcomputer
Pin Assignment (Top view)
A
12VTRIGGER
1
P96
12VDET
2
P95
B
1394 RST
3
P94
NC
4
P93
1394 DO
5
P92
1394 DI
6
P91
1394 CK
7
P90
GND
8
BYTE
GND
9
CMVSS
I2CCK
10
P87
I2CDT
11
P86
XRESET
XRESET
12
XOUT
XOUT
13
C
GND
VSS
14
XIN
XIN
15
5V
VCC
16
NMI
P85
17
WAKEUP
P84
18
1394 INT
P83
19
1W WUP
P82
20
SDET
21
P81
DISP EN
22
P80
OSD RST
23
P77
OSD CS
24
P76
D
OSD CONT
25
P75
DISP RST
26
P74
DISP RDY
27
P73
OSD/DISP CLK
28
P72
DISP DO
29
P71
OSD/DISP DI
30
P70
E
F
148
1
2
VSX-AX5Ai-S
2
3
P10
80
P11
79
P12
78
P13
77
P14
76
P15
75
P16
74
P17
73
P20
72
P21
71
P22
70
P23
69
P24
68
P25
67
P26
66
P27
65
VSS
64
P30
63
VCC
62
P31
61
P32
60
P33
59
P34
58
P35
57
P36
56
P37
55
P40
54
P41
53
P42
52
P43
51
3
4
EXPVDT
EXPVCK
RDS FM+
RDS DT
T-DI
RDS CLK
T-DO
OL DET
T-CE
T-CLK
TC9274DT
TC9274CK
TC9274ST
MR MUTE
AMUTE
RY AC
GND
DC PROT
5V
DOWNMIX
furniture
DSP HREQ2
DSP HREQ1
EVR DT
EVR CLK
EVR CS
M62429 CLK
M62429 DT
DSP MUTE
DAC RST
4

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