Sanyo PLC-XP46 Service Manual page 43

Control Port Functions
● Parallel I/O Expander (IC1801, M66500FP)
Pin No. Name
1 PF6
2 PF7
3 Vcc
4 PE0
5 PE1
6 PE2
7 PE3
8 PE4
9 PE5
10 PE6
11 PE7
12 GND3
13 PB0
14 PB1
15 PB2
16 PB3
17 PB4
18 PB5
19 PB6
20 PB7
21 PA7
22 PA6
23 PA5
24 PA4
25 PA3
26 PA2
27 PA1
28 PA0
29 Vcc
30 RD
31 WR
32 CS
33 RESET
34 GND1
35 A2
36 A1
37 A0
38 D0
39 D1
40 D2
41 D3
42 D4
43 D5
44 D6
45 D7
46 PC7
47 PC6
48 PC5
49 PC4
50 PC0
51 PC1
52 PC2
53 PC3
54 PG0
55 PG1
56 PG2
57 PG3
58 GND2
59 PF0
60 PF1
61 PF2
62 PF3
63 PF4
64 PF5
Function Name Function
CG_FILTER
D_TURBO_SEL DIGITAL TURBO Selection
5 V ±10 %
A SW1 Audio SW 1
A SW2 Audio SW 2
SEL_BAISOKU Double Scan Selection
IP_CSA CPU Strobe signal for IP Conversion
IP+RESETSW CPU reset signal for IP Conversion
IN2/IN3_SW Input2/3 switch
PC_SWINV Auto Image
S_SW S-Input
GND -
LENS_TOP Lens Position Detection [Top]
LENS_CENTER Lens Position Detection [Center]
LENS_BOTTOM Lens Position Detection [Bottom]
HD-DET HD Signal Detection , exist at CXA2101
COMP-DET Component input Detection Yes/No
S-DET S-Input Detection Yes/No
V-DET V-Sync Detection at C-Sync
PC_DET Network Board Detection Yes/No
DAC_SW For Service Mode Groupe 6-10,11,12
TURBO_LED Bright LED Drive
5V ±10 % -
Read Select
Write Select
Chip Select
Reset
GND -
Port Select 2
Port Select 1
Port Select 0
Data Bus 0
Data Bus 1
Data Bus 2
Data Bus 3
Data Bus 4
Data Bus 5
Data Bus 6
Data Bus 7
MOUSE2 Mouse Select 2
NET_SW Network Board On/Off SW
WATT_SW Lamp Mode Switch
A_MUTE Mute output
CG1/CG2 Computer 1/Computer 2 SW
AV/CG Computer/Video SW
DDC_CONT DDC PC/CPU SW
SCDT_DIF2 DVI Output SW
SCDT_DIF DVI Output SW
GND -
Temp Warning LED Drive output
Lamp Replace LED Drive output
Ready LED Drive output
PD_DIF DVI Signal SW_8001
PD_DIF2 DVI Signal SW_8051
DDC_CONT_DVI SGRAM Bus Reset
-43-
Polarity I/O
O
O
-
O
O
O
O
O
O
O
O
Top=L I
Not used I
Bottom=L I
On=H I
Not used I
Not used I
I
Attached: L I
I
I
I
I
I
I
I
I
Active L I
Active L I
Active L I
Active H I
I
I
I
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
O
On: L O
Eco: L O
O
O
O
CG=L O
CPU: H O
I
I
DVI=H O
DVI=H O
LED On=L O
LED On=L O
LED On=L O
DVI=H O
DVI=H O
Active L O