SERVICE MANUAL MR-G57N-T-NZ - B.d.t.
SERVICE MANUAL MR-G57N-T-NZ - B.d.t.
SERVICE MANUAL MR-G57N-T-NZ - B.d.t.
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6-8 TEST POINT DIAGRAM OF CONTROL BOARD<br />
<strong>MR</strong>-<strong>G57N</strong>-<strong>NZ</strong><br />
7<br />
5<br />
AC<br />
230 V<br />
3 Defrost<br />
heater<br />
1<br />
CN2A<br />
~<br />
CN3A<br />
1 Ice tray heater<br />
3 Water pipe heater<br />
5 Rotational heater board<br />
7 Vegetable compartment heater 1, 2<br />
9 Refrigerator compartment room light<br />
11 Refrigerator compartment room light<br />
CN50G<br />
Compressor<br />
11 Power supply of three-way valve<br />
12<br />
CN9D<br />
5 W phase<br />
3 V phase<br />
1 U phase<br />
9 LED for bacteria removal from water tank, Vegetable compartment photosynthesis, UV LED, Blue LED<br />
10<br />
1<br />
2<br />
3<br />
4<br />
5<br />
6<br />
7<br />
8<br />
Electromagnetic three-way valve<br />
Damper for ice making<br />
compartment / versa compartment<br />
CN4D<br />
10<br />
11<br />
12<br />
13<br />
14<br />
15<br />
16<br />
Damper for freezer<br />
compartment<br />
DC +5V<br />
(Inverter circuit)<br />
Damper for refrigerator<br />
compartment / slide compartment<br />
–<br />
+<br />
1<br />
2 GND<br />
3 GND<br />
4 Machine chamber fan motor (+)<br />
5 Refrigerator fan motor FG signal<br />
6 Machine chamber fan motor / Refrigerator fan motor driver IC power source<br />
7 Machine chamber fan motor FG signal<br />
8 Fan motor +<br />
9<br />
40<br />
DNG<br />
DC280 ~ 330V<br />
–<br />
+<br />
CN8K<br />
1 Reception of operation panel data<br />
2 Power supply to operation panel data<br />
3<br />
4 GND<br />
5 Ice maker position switch<br />
6 Water pump -<br />
7 Ice maker (reverse)<br />
8 Ice maker (rotation)<br />
DC+12 ~ 20V<br />
(Inverter circuit)<br />
–<br />
+<br />
CN7S<br />
1<br />
2 Vegetable compartment LED<br />
3 Door switch input<br />
4 Freezer compartment thermistor<br />
5 Ice making compartment thermistor<br />
6 Vegetable compartment thermistor<br />
7 Versa compartment thermistor<br />
8<br />
9 Defrost thermistor<br />
10 Ice making tray thermistor<br />
11 Refrigerator compartment thermistor<br />
12<br />
13<br />
14 5V com<br />
Compulsory<br />
defrosting by<br />
short circuit<br />
–<br />
+<br />
–<br />
+<br />
DC+5V<br />
(Refrigerator<br />
control<br />
circuit)<br />
DC+12 ~<br />
13V<br />
(Refrigerator<br />
control<br />
circuit)
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