Connections On Pcb; C O N N E C T I O N S O N P C - Panasonic MDF-DU702VH Service Manual

Connections on PCB

The following shows connections of connector on Main PCB.
Connector
CN1 Emulator
CN2 #1~#6: MTR-480/MTR-L03 (Option)
Remote alarm terminal
#1: COM
CN3
#2: N.O.
#3: N.C.
CN4 #1~#2 Jumper
#1,#7:USB PCB
CN5
#8,#9:Door switch
CN6 #1~#2：Temp. sensor
#1~#2：Cascade sensor
CN7
#3~#4：Filter sensor
CN8 #1~#2：AT sensor
CN9 #1~#4:Unused
CN11 #1,#2:Main battery switch
CN12 #1,#3:Battery switch
CN14 #1~#6:Back-up battery charging PCB
#1~#3:Inverter L
CN15
#3~#6:Inverter H
CN16 #1~#4:Unused
CN17 #1,#2: Auto air intake port (AIP) heater
CN101 #1,#4:Recorder, Power switch
CN103 #1､#3：Fan motor condenser
Connects to
-11-
Usage
To version up firmware
To connect with MTR-480/MTR-L03.
Remote alarm contact outputs.
To upgrade firmware version
To connect with LCD PCB
To detect door open and shut
To control chamber temperature
To detect temperature of cascade
To detect temperature of filter
To detect ambient temperature
To supply power during power failure
To supply power during power failure
To control
battery charging
To control inverter L
To control inverter H
To control AIP heater
To supply power to PCB
To control condensing fan motor