Read Sharp R-734 (serv.man2) Service Manual online
R-734 - 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 con-
dition is detected, replace the defective parts.
and examine the transformer with tester for
the presence of layer short-circuit (check
primary coil resistance). If any abnormal con-
dition is detected, replace the defective parts.
CARRY OUT 4R CHECKS.
PROCEDURE
LETTER
COMPONENT TEST
RY2
OL / FM
/ TTM
/ TTM
AC
5
1
D20
VRS1
a
b
d
c
CN - A
D21
RY1
(J1)
T1
TEST PROCEDURES
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