Pioneer 1014TX-K - THX Select A/V Receiver Service Manual page 136

1
PD5957A (MAIN CONTROL ASSY: IC501) (For VSX-52TX)
• Main Microcomputer
Pin Assignment (Top view)
A
NECK B
1 NECK8
DISP RST
2 DISP RST
B
DISP EN
3 DISP EN
DISP RDY 4 DISP RDY
OSD/DISP DI 5 DISP DI
DISP DO
6 DISP DO
OSD/DISP CLK 7 DISP CK
GND
8 BYTE
GND
9 CMVSS
12 CK
10 12C CK
12 DT
11 12C DT
XRESET XRESET
12
XOUT XOUT
13
C
GND VSS
14
XIN XIN
15
5V VCC
16
NMI NM1
17
WAKEUP AC WP
18
IE INT 1394 INT
19
1W WUP 1W WP
20
DEMU 21 DECO MUTE
DSPOL 22 DSPOL
86A
23 2586A
86B
24 2586B
D
IE CTL
25 1394SW
IE RST 26 1394RST
IE CS
27 1394CS
28 1394CK
IE CK
IE DO 29 1394DO
IE DI
30 1394DI
E
F
136
1
2
VSX-52TX
2
3
BIAMP
80
MICSEL
79
MR MUTE
78
RDS FM+
77
RDS DT
76
RDS CLK
75
DC PROT
74
OL DET
73
VIDEO1
72
VIDEO2
71
VIDEO3
70
MRVSW1
69
MRVSW2
68
4052A
67
4052B
66
SY DET
65
VSS
64
EVR DT
63
VCC
62
EVR CLK
61
GAIN_SEL 60
MVRATT
59
LOW POW
58
A MUTE
57
HP DET
56
RY-AC
55
RY-HP
54
RY_A
53
RY_C/R
52
RY_B
51
3
4
BI AMP
MI CSEL
MR MU
RDS SW
RDS DT
RDS CK
DC DET
OL DET
V1
V2
V3
MR SW1
MR SW2
52A
52B
SYDET
GND
VLDT
5V
VLCK
PREG
MVRATT
V+5US
MUTE
HP SW
RY AC
RY HP
RY AF
RY CS
RY BS
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