5-17
CONDITION
CHECK
RESULT
CAUSE
REMEDY
No microwave
oscillation.
No continuity.
Continuity.
Defective P.C.B
assembly
Replace P.C.B
assembly
Disconnect the
wire leads from
relay 2 and
check continuity
of relay2.
(Operate the
unit)
Abnormal
normal
Defective high
voltage
transformer.
Replace high
voltage
transformer .
Check H.V.
transformer.
normal
normal
Abnormal
Defective high
voltage Diode.
Replace high
voltage Diode.
Check H.V.
diode.
Abnormal
Defective high
voltage capacitor.
Replace high
voltage capacitor.
Check H.V.
capacitor.
Abnormal
Defective
magnetron.
Replace
magnetron.
Check
Magnetron.
(TROUBLE 5) No microwave oscillation even though oven lamp and fan motor run
(Display operates properly)
LGE Internal Use Only
Copyright © 2007 LG Electronics. Inc. All right reserved.
Only for training and service purposes
Содержание MJ3284UAB
Страница 31: ... 6 2 DOOR PARTS EV 13552A 13581A 14026A 14970A 13213A 13551C 13650A ...
Страница 32: ... 6 3 CONTROL PANEL PARTS EV 24781A 26871T 26871M 24781S 250202 250201 249401 24941A ...
Страница 34: ... 6 5 W102 43501A 466001 43500A 466003 44510A 466001 LATCH BOARD PARTS EV ...
Страница 36: ... 6 7 647781 W101 56170D 63302A 63303A BASE PLATE PARTS EV ...
Страница 37: ......