LG LMC1575SB User Manual

5-32
4. F-19 Inverter PCB Check
G
C
E
Refer to Check point
※ Tester mode : Diode mode
Status Test result
Normal 0.4V ↑(about 0.4 ~
0.6V)
Abnormal 0.4V ↓ or short
※
Tester mode : Beep mode or resistor mode
Status Test result
Normal About 10Kohm
Abnormal 10Kohm ↓ or short
• Check D5 (Bridge Diode), D8 / D9 (High Voltage Diode)
• Check Q1 (IGBT)
Bridge Diode : AC Checking Bridge Diode : DC Checking HVD : D8, D9 Short Checking
Example : normal
Example : normal
Example : normal
(Open)
Example : abnormal
(Short)
Example : abnormal
(Short)
※ Tester mode : Beep mode
Status Test result
Normal Open (OL)
Abnormal Short (Beep)
LMC1575BD /01
LMC1575ST /01
LMC1575SW /01
LMC1575SB /01
+
~~
-
+
~~
-
D9
D8
Example : abnormal
(Short)

LG LMC1575SB Specifications

General

Style	countertop
Total Capacity	1.5 cubic feet
Sensor Cooking	yes
Timer	yes
Microwave Power	1200 watts
Voltage	120 volts
Current	14 amperes

Weight and Dimensions

Depth	17 inches
Height	12.1 inches
Width	21.4 inches
Net Weight	26 pounds