Panasonic PT-EX600U Service Manual page 109

Control Port Functions
IIC Bus D/A Converter (M62393FP Fan Control, IC7801)
Pin No. Function Name
1 Reset Input
2 PW_SCL0_S5V
3 PW_SDA0_S5V
4 FAN_CONT1
5 FAN_CONT2
7 FAN_CONT4
8 GND
9 DAC Upper Ref. Voltage(CH5-CH8)
10 GND
11 DAC Upper Ref. Voltage (CH1-CH4)
12 FAN_CONT3
13 FAN_CONT7
14 FAN_CONT6
15 FAN_CONT5
16 Power for Output Buffer (4.5V - 5.5V)
17 Power Supply +5V±10%
18 Slave Address Setting Pin2 (Vdd)
19 Slave Address Setting Pin1 (Vdd)
20 Slave Address Setting Pin0 (Vdd)
Function
IIC BUS SCL
IIC BUS SDA
FAN_FN909, FN910, FN911 Control Voltage (Panel Cooling)
FAN_FN906, FN907, FN908 Control Voltage (Panel Cooling)
FAN_FN902 Control Voltage (PBS Cooling)
FAN_FN904 Control Voltage (Lamp Cooling)
FAN_FN905 Control Voltage (Exhaust)
FAN_FN903 Control Voltage (Lamp Cooling)
FAN_FN901 Control Voltage (Power Cooling)
Pol.
Stand-by
I
→
I
→
I/O
→
AO
→
AO
→
AO
→
-
→
-
→
-
→
-
→
AO
→
AO
→
AO
→
AO
→
-
→
-
→
I
→
I
→
I
→
-109-
Action
Power On
0:FAN Max - 255:FAN Min
0:FAN Max - 255:FAN Min
0:FAN Max - 255:FAN Min
0:FAN Max - 255:FAN Min
0:FAN Max - 255:FAN Min
0:FAN Max - 255:FAN Min
0:FAN Max - 255:FAN Min
H
H
H