Test Point Diagram Of Control Board - Mitsubishi Electric MR-G50J-SS-NZ Service Manual

6-8 TEST POINT DIAGRAM OF CONTROL BOARD

MR-G50J-NZ
Compressor
CN2A
}
}
7 AC
~
5 230V
3 Defrost
heater
1 Refrigerator
compartment
CN3A CN9D
DC +5V DNG
(Inverter circuit)
DC280 ~ 330V
+
–
CN4D
32
DC+12 ~ 20V
(Inverter circuit)
– +
– +
CN8K
CN7S
Compulsory
defrosting by
short circuit
}
– DC+5V
(Refrige-
rator
control
+
circuit)
}
DC+12
–
~ 13V
(Refrige-
+
rator
control
circuit)