Sharp Carousel R-3S56 Service Manual - Page 15

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PROCEDURE

LETTER

STEPS

NOTE: At the time of these repairs, make a visual

CARRY OUT 4R CHECKS.

TEST PROCEDURES (CONT'D)

OCCURANCE

The rated voltage is not applied to POWER

terminal of CPU connector (CN-A)

The rated voltage is applied to primary side of

power transformer.

Only pattern at "a" is broken.

Pattern at "a" and "b" are broken.

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.

COMPONENT TEST

CAUSE OR CORRECTION

Check supply voltage and oven main unit.

Power transformer or secondary circuit defective. Check

and repair.

*Insert jumper wire J1 and solder.

*Insert the coil RCILF2003YAZZ between "c" and "d".

R-3S56