Sanyo CE32WH3-F Service Manual page 18

I/O Expander 1 (IC809)Pin Function Table (CXA1315)
Pin No. Function Name
1 SW1
2 SW0
3 DAC4
4 DAC3
5 DAC2
6 DAC1
7 DAC0
8 VSS
9 SW2
10 SW3
11 A0
12 A1
13 A2
14 SDA
15 SCL
16 VDD
I/O Expander 2 (IC808) Pin Function Table (PCF8574)
Pin No. Function Name
1 A0
2 A1
3 A2
4 P0
5 P1
6 P2
7 P3
8 VSS
9 P4
10 P5
11 P6
12 P7
13 VDAC
14 SCL
15 SDA
16 VDD
I/O Expander 3 (IC807) Pin Function Table ( PCF8574)
Pin No. Function Name
1 A0
2 A1
3 A2
4 P0
5 P1
6 P2
7 P3
8 VSS
9 P4
10 P5
11 P6
12 P7
13 VDAC
14 SCL
15 SDA
16 VDD
F7YLV
Function
Power failuer detection Input
Front AV Switch
50/60hz Switch
CS Switch
H-Size Control
Naormal Switch
Auto-Wide Level
VM Switch
--
Chip address
Chip Address
Chip Address
IIC Bus SDA
IIC Bus CLK
Power Supply 9V
Function
Chip Address
Chip address
Chip Address
Sound Mute
Scart AV1 Switch
Scart AV2 Switch
Scart AV3 Switch
On-timer LED Drive
PAL/NTSC Switch
3 Line Y/C Switch
Bypass Switch
Not used
IIC Bus SCL
IIC Bus SDA
Power Supply 5V
Function
Chip Address
Chip address
Chip Address
Digital Power Error
DM-NIM power Error
Hold Down
H-Blanking on/off
DSP Reset
3D Super Switch
Front/Scart3 Switch
Power On/Mute Out
Not used
IIC Bus SCL
IIC Bus SDA
Power Supply 5V
-18-
Action
"H" Front AV "L" AV3
"H" 50Hz "L" 60Hz
"H" Normal/Natural Wide
"H" Normal
"H": on "L": off
Action
"H" Mute on
"H" Active
"H" Active
"H" Active
"H" On
Action
"H" on
"H" Blanking on
"L" Reset
"L" Super
"H" Front AV
"H" Power on
IN/OUT
IN
IN
OUT
OUT
OUT
OUT
OUT
OUT
OUT
OUT
OUT
IN/OUT
IN
IN
IN/OUT
IN
IN
IN
OUT
IN
IN
IN
OUT
OUT
OUT
OUT
IN
IN/OUT
IN
IN/OUT
IN
IN
IN
IN
IN
IN
IN
OUT
OUT
OUT
OUT
IN
IN/OUT
IN