Samsung Electronics
5. Alignment and Adjustments
5-1 High Voltage Transformer
5-2 Low Voltage Transformer
5-3 Magnetron
5-1
1. Remove connectors from the transformer terminals
and check continuity.
2. Normal resistance readings are as follows:
(Room temperature = 20ûC)
1. Continuity checks indicate only an open filament
or a shorted magnetron. To diagnose an open
filament or shorted magnetron, do the following:
2. Isolate the magnetron from the circuit by
disconnecting its leads.
3. A continuity check across the magnetron filament
terminals should indicate one ohm or less.
4. A continuity check between each filament terminal
and the magnetron case should read open.
1. The low voltage transformer is located on the
control circuit board.
2. Remove the low voltage transformer from the
PCB Ass'y and check continuity.
3. Normal resistor readings a shown in the table.
PRECAUTION
1. High voltage is present at the high voltage terminals during any cook cycle.
2. Do not attempt to measurement the high voltage.
3. Before touching any oven components or wiring, always unplug the oven and discharge the high voltage capacitor.
Filament Terminals
Secondary
Terminal
Primary
Terminals
MODEL
CE979GSE
Secondary
Approx. 96
Ω
Filament
Approx.0
Ω
Primary
Approx.1.6
Ω
Terminals
Resistance
1~3(Input)
75.9
Ω
4~5(Output 15.5V)
1.1
Ω
5~6(Output 7.3V)
0.5
Ω
7~8(Output 3.2V)
0.7
Ω
8~9(Output 2.7V)
0.5
Ω
Cooling Fins
Gasket Plate
Magnetron Antenna
