Sharp R-2277 Service Manual page 19

NOTE: *At the time of these repairs, make a
visual inspection of the varistor for
burning damage and examine the
transformer 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.
c
17
R-2277
R-2287
a
d
(J9)
b
D23
–
+
C31