Technical Information
5.12
Magnetron – Test Procedure
Danger!
DO NOT attempt to measure voltage in the high voltage microwave
circuit.
Important!
The appliance must be disconnected from the power source (breaker off,
unplugged, etc...) before performing this procedure.
1. Remove the appliance – Refer to Section 5.1.
2. Remove the top cover – Refer to Section 5.2.
3. Discharge the high voltage capacitor – Refer to Section 5.3.
4. Unplug the connectors on the Magnetron.
5. Refer to Figure 5-12, use an Ohmmeter to perform the following
checks:
Check #
1
2
3
Table 5-1: Magnetron Checks
Figure 5-12: Magnetron (Test Points)
Important!
After the appliance is re-assembled, perform the Microwave Leakage
Test (Refer to Section 5.12).
Test Point
Test Point
nd
(one meter lead
(2
position)
position)
Terminal A on
Terminal B on
magnetron
magnetron
Terminal A on
Ground
magnetron
(casing) C
Terminal B on
Ground
magnetron
(casing) C
38
H4080BM Speed Oven
meter lead
Reading
Less than 1Ω
Infinite (∞)
Infinite (∞)
Status
Pass (OK)
Pass (OK)
Pass (OK)