JUKI HZL-G Series Service Manual page 14

・ Display PCB
To be connected to CN19
of microcomputer PCB
・ Power PCB
CN2
Connector No.
CN POWER SW
CN2 POWER_SUPPLY_RELAY_LEAD_WIRE
Destination
–  –
CN1
Check
AC input
-2PIN 29V, 4-5PIN GND(FG)