Pioneer VSX-45TX Service Manual page 136

1
PD5771A (DISPLAY ASSY: IC3000)
• Display Microcomputer
A
Pin Assignment (Top view)
B
KEY5
MR SW
KEY1
KEY2
KEY3
KEY4
1W W.UP
HP IN
SR IN
C
XRESET
GND
XIN
XOUT
VDD
CHECKER
MIC SW
D
232C DET
MR IN
E
F
136
1
2
1 P75/AN5
P74/AN4
2
3 P73/AN3
P72/AN2
4
5 P71/AN1
6 P70/AN0
P61/CNTR0/CNTR2
7
8 P60/CNTR1
P47/INT2
9
10 XRESET
11 P91/XCOUT
P90/XCIN
12
13 VSS
XIN
14
15 XOUT
16 VCC
P46/T2OUT
17
18 P45/T1OUT
P44/PWM1
19
20 P43/BUZO1
21 P42/INT3
P41/INT1
22
23 P40/INT0
P87/PWMO/FLD39
24
2
3
P20/BUZ02/FLD00
VSX-45TX
3
4
64 NECK
P21/FLD01
63
P22/FLD02
62 RY-A
P23/FLD03 RY-HP
61
P24/FLD04
60
P25/FLD05
59 RY-C/S
P26/FLD06 RY-SB
58
P27/FLD07
57
P00/FLD08 VOL_+
56
P01/FLD09
55 VOL_–
P02/FLD10
54
P03/FLD11
53
P04/FLD12
52 INPUT_L
P05/FLD13 INPUT_R
51
P06/FLD14
50 NC
P07/FLD15
49 NC
P10/FLD16 NC
48
P11/FLD17
47 NC
P12/FLD18 NC
46
P13/FLD19
45 NC
P14/FLD20
44 NC
P15/FLD21 1394
43
P16/FLD22
42 MCACC
P17/FLD23 STBY
41
4