LG MS-192H Service Manual page 11

COMPONENTS
MAIN FUSE
TEST PROCEDURE
Check for continuity of the fuse with an
multi-meter.
NOTE: If the fuse is blown, check the primary, the secondary, and the monitor
switches, H.V.D. and H.V.C. before replacing the fuse.
If the fuse is blown by improper switch operation replace the defective switch
and the fuse at the same time. Replace just the fuse if the switches operate
normally.
5-10
RESULTS
Normal Abnormal