R-205WM - Sharp Home Appliance Service Manual (repair manual). Page 8

R-205M - 8

NOTE: *At the time of making these repairs,

make a visual inspection of the
varistor. Check for burned damage.
If any abnormal condition is detected,
replace the defective parts.

CARRY OUT 4R CHECKS.

D71

(F1)

(J2)

D72

R1

D1

(J1)

D70

RY1

1

3

2

4

CARRY OUT 3D CHECKS before any of the following timer tests.

TIMER SWITCH- CONTACTS
Disconnect the leads from terminals described at following table. Connect an ohmmeter across terminals
described at following table.
Advance the timer and check that a short circuit reading is obtained on the meter.
Turn the timer back to the zero (0) position and check that an open circuit reading is obtained on the meter.
If these readings are not obtained then replace the timer.

Disconnecting and checking terminals

1 and 2

TIMER - MOTOR
Disconnect the leads from terminals described at following table. Connect an ohmmeter across the timer
motor winding, terminals are described at following table, and check that a reading of resistance described
at following table is indicated.
If this reading is not obtained then the timer is probably defective and should be replaced.

Disconnecting and checking terminals

3 and 4

Resistance of motor winding

approximately 22.2k ohms

CARRY OUT 4R CHECKS after any of the above tests.