Chapter 2 Replacement of Maintenance Parts > PCB/Power Supply Related>Base IO PCB
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2.1.2 Base IO PCB
l Procedure
1. Turn off the main power supply and unplug the power cable.
2. Remove the following covers.(1.5)
(1) Electrical box cover
3. Disconnect all connectors on the PCB.
4. Remove the Base IO PCB.
5. Follow the procedure in the reverse order for assembly.
l Connector list
No. Pin Purposes AC/DC Remarks
CN1 20 20 pin I/F input DC
CN2 20 Spare DC
CN3 16 16 pin I/F DC
CN5 24 Spare DC
CN6 18 Spare DC
CN7 28 Spare DC
CN8 26 Spare DC
CN10 4 Spare DC
CN11 34 Wiper motor, suction pump, wiper sensor, pump switching
sensor, NCU
DC
CN12 26 Adsorption FAN, media width sensor, clamp sensor, heater
thermistor
DC
CN13 2 For ceiling fan DC
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