17
R-2277
R-2287
S1
S2
2
3
P
TI
C31
D23
+
–
VRS1
(J9)
(J8)
OL, BM
POWER
7
5
3
1
D21
CN–A
a
c
b
d
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.