Sharp R-310B Service Manual page 15

PROCEDURE
LETTER
NOTE: *At the time of these repairs, make a
visual inspection of the varistor for burn-
ing damage and examine the trans-
former with tester for the presence of
layer short-circuit (check primary coil
resistance). If any abnormal condition
is detected, replace the defective parts.
CARRY OUT 4R CHECKS.
TEST PROCEDURES
COMPONENT TEST
13
d
b a
c
(J1)
R-310B