Sanyo PLC-XP56 Service Manual page 26

Control Port Functions
* Following information differs from the previous chassis No. MR3-XP5500, others are the same;
- The pin 6 of IC7801 for FAN-7_SW has been added.
● IIC Bus D/A Converter (IC7801, M62399FP) Port Functions
Pin No. Name
1 R
2 SCL
3 SDA
4 A05
5 A06
6 A07
7 A08
8 VrefL
9 VrefU 1
10 Vss
11 VrefU 2
12 A01
13 A02
14 A03
15 A04
16 Vcc
17 Vdd
18 CS2
19 CS1
20 CS0
Function
Reset Input
IIC BUS SCL
IIC BUS SDA
FAN_CONT1
FAN_CONT2
FAN-7_SW for Cooling Lamp Bottom
Not used
DAC Lower Reference Voltage input
DAC Upper Reference Voltage input (CH5~CH8)
GND
DAC Upper Reference Voltage input (CH1~CH 4)
FAN_CONT4
FAN_CONT5
FAN_CONT6
FAN_CONT7
Power Supply for Output Buffer (12V)
Power Supply +5V
Slave address setting port 2 (Vdd)
Slave address setting port 1 (Vdd)
Slave address setting port 0 (Vdd)
FN901,FN902 = Intake Fans
FN905 = Exhaust Fan
FN907 ON = H
FN903 = Cooling Fan for PBS
FN907 = Cooling Fan for Lamp Bottom
FN906 = Cooling Fan for Lamp Front
FN904 = Cooling Fan for Power Board
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I/O
I
I
I/O
O
O
O
O
-
-
-
-
O
O
O
O
-
-
I
I
I