LG LMC1575SB User Manual

5-31
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+
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D9
D8
※ Tester mode : Beep mode or
resistor mode
Status Test result
Normal Open (OL)
Abnormal Short (Beep)
• Check D5 (Bridge Diode)
※ Tester mode : Diode mode
Bridge Diode : AC Checking
※ Tester pin color
Bridge Diode : DC Checking
Status Test result
Normal 0.4V ↑ (about 0.4 ~ 0.6V)
Abnormal 0.4V ↓ or short
Example : normal
LMC1575BD /01
LMC1575ST /01
LMC1575SW /01
LMC1575SB /01
• Check TH91 (Thermistor)
Example : abnormal
(Short or Open)
※ Tester mode : Beep or resistance mode
Status Test result
Normal 20Kohm↓
@ Room temperature
Abnormal Open or Short
Thermistor : TH91
17.96 Kohm @ Room temperature
23.3℃
Example : normal
2. F-16 or F-17 Inverter PCB Check
3. F-13 or F-14 or F-15 Inverter PCB Check
Example : abnormal(Short)
Example : abnormal
(Short)
Example : normal
(Open)

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