REFRIGERATOR SCHEMATICS
LOAD DRIVE CIRCUIT, continued
FREEZER FAN MOTOR DRIVE CIRCUIT
This circuit makes standby power 0 by cutting off power supplied to ISs inside of
the fan motor in the fan motor OFF. It allows a temporary change of speed for the
fan motor and applies voltage up to 7.5V
DC
~ 16V
DC
to motor and prevents over-
driving the fan motor by cutting off power applied to the fan motor if it is locked by
sensing the operation RPM of the fan motor.
LFX21960ST/LFX25960xx Page 51 of 75 TRAINING MANUAL
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