
22
CONDITION
CHECK
RESULT
Check continuity of high
voltage capacitor terminals
with wires removed
Continuity
CAUSE
Defective high
voltage
transformer
REMEDY
Replace
No
microwave
oscillation
Check continuity of high voltage
rectifier in forward and backward
direction with DC megger
Continuity in
backward
direction
Defective high
voltage rectifier
Replace
Connect megger leads to
magnetron terminal and
magnetron body
Continuity
Defective
magnetron
Replace
Check resistance of primary and
secondary coil of high voltage
transformer
0
Ω
or
∞
Defective high
voltage
transformer
Replace
Check continuity of magnetron
with wires removed
No
Continuity
Defective
magnetron
Replace
Check continuity of filament
terminal of high voltage
transformer
No
Continuity
Defective high
voltage
transformer
Replace
Check D.C. voltage being
supplied to RELAY (RY1) coil
0 V
Defective touch
control circuit
Replace
Approx
15 VDC
Faulty
contacts or
RELAY (RY1)
or open
relay coil
Replace
(TROUBLE 3) No microwave oscillation even though fan motor rotates.
Summary of Contents for TMW-1100E
Page 1: ...Turbo Air Inc 1250 VICTORIA ST CARSON CA 90746 USA PRINTED DATE May 2003 S M No ...
Page 32: ...30 WIRING DIAGRAM TMW 1100EC ...
Page 33: ...31 WIRING DIAGRAM TMW 1100E ...
Page 34: ...32 WIRING DIAGRAM TMW 1100MC ...
Page 35: ...33 WIRING DIAGRAM TMW 1100M ...
Page 37: ...35 MP1 MP2 Measure point ...
Page 39: ...37 2 P C B CIRCUIT DIAGRAM ...
Page 62: ...60 WIRING DIAGRAM TMW 800TC ...