Daewoo KOR-63U50S, Руководство по обслуживанию

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17
Does the fan motor work when you
shut the door and turn the timer?
Does the oven lamp light?
Does the thrutable turn?
If microwave do not
oscillate, check continuity
of filament of magnetron.
Check the isolation of fila-
ment winding of high volt-
age transformer.
Replace primary, secondary
interlock switch and interlock
monitor switch.
Check continuity filament
tap (3.3V) of high voltage.
Normal
reading should
be approx. 0
Ω
Meter with 6V or higer
voltage batteries should
be used to check the nor-
mal direction resistance of
the diode.
Check the diode for conti-
nuity in the reverse and
normal directions.
Replace high
voltage
transformer.
Replace high
voltage diode.
Replace
magnetron.
Replace high
voltage
transformer.
YES
NO
NO Continuity
Both continuity
Continuity in the
reverse direction.
Continuity
NO Good
Replace
manetron.
Good
NO
YES