Main Part Inspection Method - Samsung AQ07**SER Series Service Manual

4-5 Main Part Inspection Method

Part
Room Temperature Sensor
Room Fan Motor
Stepping Motor
Samsung Electronics
Measure resistance with a tester
Normal At the normal temperature 37kΩ~ 8.3kΩ(-7˚C~+30˚C)
Abnormal ∞, 0Ω . . . Open or Short
Measure the resistance between terminals of the connector (CN7) with a tester.
Normal At the normal temperature (10˚C ~ 30˚C)
STEP MOTOR Red-Pink,Yel,Blu,Org
STEP MOTOR Red-Pink,Yel,Blu,Org
FAN MOTOR
Abnormal ∞, 0Ω . . . Open or Short
Measure the resistance between the red wire and each terminal wire with a tester.
Normal About 300Ω at the normal temperature (0˚C ~ 30˚C)
Abnormal ∞, 0Ω . . . Open or Short
Breakdown Inspection Method
Compare terminal Resistance
10±7%
300±7%
Yellow, Blue 385Ω±10% main
Yellow, Red 388Ω±10%
.
Remark
GRILLE
BLADE
sub
4-11