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

Page: 136 / 149

VSX-52TX
136
1 2 3 4
1 2 3 4
C
D
F
A
B
E
Pin Assignment (Top view)
PD5957A (MAIN CONTROL ASSY: IC501) (For VSX-52TX)
• Main Microcomputer
1
NECK B
NECK8
2 DISP RST
3
IE RST
DISP EN
4
IE CS
DISP RDY
5
IE DO
DISP DI
6 DISP DO
IE DI
7
IE CK
DISP CK
8
GND
BYTE
9
GND
CMVSS
10
12 CK
12C CK
11
12 DT
12C DT
12
XRESET
XRESET
13
XOUT
XOUT
14
GND
VSS
15
XIN
XIN
16
5V
VCC
17
NMI
NM1
18
WAKEUP
AC WP
19
IE INT
DSPOL
1394 INT
20
1W WUP
1W WP
21
DEMU
DECO MUTE
22
DISP EN
DSPOL
23
86A
2586A
24
86B
2586B
25 IE CTL 1394SW
26
DISP RST
1394RST
27
DISP RDY
OSD/DISP CLK
1394CS
28 1394CK
29
DISP DO
1394DO
30
OSD/DISP DI
1394DI
31
T_ RXD
232C RXD
32
T_ TXD
232C TXD
33
T_SCLK
CLK
34
T_BUSY
232C CTS
35
DS DI
DSP D1
36
DS DO
DS CK
DS RST
DSS
BU
DS HR
DS MO DS MU
ADMD
DR DO
DSP DO
37
DSP CLK
38
DSP RST
39
DSP SS
40
BUSY
41
DSP HREQ
42
DSP MODE
43
DSP MUTE
44
ADMD
45
DIR DO
46
DR CS
DIR CS
47
LSSN
LSSN
48
DR ST
DIR RST
49
DR ER
DIR ERR
50
XT LO
XTLO
100
NECK
NECKA
99
AVCC
5V
98
VREF
5V
97
P100
NC
96
AVSS
GND
95
SIMUKE2
94
SIMUKE1
SIM1 SIM2
93
TEMP1
TEMP1
92
FAN STOP
91
FAN DRIVE
FADR
90
NC
NC
89
WATT IN1
88
OSDCT
OSCT WATT FASTP
87
OSDCS
OSCS
86
OSDRT
OSRT
85
MRDATA
NRDT
84
T_CE
TCE
83
T_DI
TDI
82
T_CLK
TCK
81
T_DO
TDO
80
BIAMP
BI AMP
79
MICSEL
MI CSEL
78
MR MUTE
MR MU
77
RDS FM+
RDS SW
76
RDS DT
RDS DT
75
RDS CLK
RDS CK
74
DC PROT
DC DET
73
OL DET
OL DET
72
VIDEO1
V1
71
VIDEO2
V2
70
VIDEO3
V3
69
MRVSW1
MR SW1
68
MRVSW2
MR SW2
67
4052A
52A
66
4052B
52B
65
SY DET
SYDET
VLDT
64
VSS
GND
63
EVR DT
62
VCC
5V
61
EVR CLK
VLCK
60
GAIN_SEL
PREG
59
MVRATT
MVRATT
58
LOW POW
V+5US
57
A MUTE
MUTE
56 HP DET HP SW
55 RY-AC RY AC
54 RY-HP RY HP
53 RY AF
52 RY_C/R
RY_A
RY CS
51 RY_B RY BS