LG LTM9000W Service Manual page 21

COMPONENTS
HIGH VOLTAGE
CAPACITOR
TEST PROCEDURE
NOTE: When testing the magnetron, be sure to install the magnetron gasket in the
correct position and be sure that the gasket is in good condition.
1. Check DC 9V battery before performing
tests.
2. Select the DCV scale on the meter.
3. Using the meter, battery, and jump wire,
connect the items as illustrated in figures.
• Terminal to terminal.
1. Check DC 9V battery before performing
tests.
2. Select the DCV scale on the meter.
3. Using the meter, battery, and jump wire,
connect the items as illustrated in figures.
• Terminal to case.
-20-
Antenna
Gasket
Chassis
Filament
Normal: Approximately 9V
Normal: Approximately 0V or a
RESULTS
value displayed in mV
Will be seen.