5-16
(TROUBLE 5) No microwave oscillation even though oven lamp and fan motor run.
(Display operates properly)
CONDITION
CHECK
RESULT
CAUSE
REMEDY
No microwave
oscillation.
No continuity.
Continuity.
Defective PCB
assembly.
Replace PCB
assembly.
Disconnect the
wire leads from
relay 2 and
check continuity
of relay 2.
(Operate the unit)
Normal
Normal
Abnormal
Defective high
voltage capacitor.
Replace high
voltage capacitor.
Check high vol-
tage capacitor.
Abnormal
Defective high
voltage
transformer.
Replace high
voltage
transformer.
Check high vol-
tage transformer.
Abnormal
Defective high
voltage diode.
Replace high
voltage diode.
Check high vol-
tage diode.
Normal
Abnormal
Defective
magnetron.
Replace
magnetron.
Check
magnetron.
Содержание MH-1144DP
Страница 28: ...6 1 EXPLODED VIEW INTRODUCTION EV ...
Страница 29: ...6 2 13213A 13552A 15006A 13581A 13536A 14026A 14970A 13720D 14890A DOOR PARTS EV ...
Страница 30: ...6 3 23572A 24781M WTP018 268711 24510L 250201 24970A 23506A CONTROL PANEL PARTS EV ...
Страница 32: ...6 5 466001 466001 43500A WSZ085 466003 LATCH BOARD PARTS EV ...
Страница 34: ...6 7 WTT021 63302A 63303A 56170D WSZ002 948502 WTT030 647781 BASE PLATE PARTS EV ...
Страница 35: ......