LG LMC1575BD Service Manual page 36

Symptom : Dead, Not heating
Symptom :
Dead
Check :
Open / Short
Main PCB
Symptom : Not heating (F-11)
Check : Connection Open/Short
(CN3, CN8)
LMC1575BD /01
LMC1575ST /01
LMC1575SW /01
LMC1575SB /01
Symptom :
Not heating (F-13, F-14, F-15, F19)
Check : Open / Short (D5)
Symptom :
Not heating (F-13, F-14, F-15, F-19)
Check : Open / Short (D8, D9)
Gate IC 15V
ON /OF F
Symptom : Not heating (F-16, 17)
Check : Open / Short
Resistance (TH91)
5-24
Symptom :
Not heating (F-19)
Check : Resistance
(Q1, ZD201)