- 28 -
MOTOR OFF
MOTOR ON
A part
2V or less
13V ~ 15V
B part
0V
0V
C part
5V
2V ~ 3V
2. Fan motor driving circuit (freezing compartment fan)
1. The circuit makes the Motor Fan OFF by cutting Off the power supplied to driver inside the Fan Motor when it is necessary.
2. This is a circuit to perform a temporary change of speed for the fan motor and applies DC voltage up to 7.5V ~ 16V to motor.
3.This circuit prevents over-driving the fan motor by cutting off power applied to the fan motor in the lock of fan motor by sensing
the operation RPM of the fan motor.
Summary of Contents for GM-B208BVS
Page 37: ...8 5 MAIN PWB ASSEMBLY AND PARTS LIST 8 5 1 Main PWB Assembly 36 ...
Page 38: ...8 5 2 Replacement Parts List 37 ...
Page 39: ...8 5 3 PWB Assembly Display and parts list 38 ...
Page 40: ...8 6 PWB DIAGRAM 39 8 6 1 PWB Main Assembly ...
Page 41: ... 40 ...
Page 46: ...August 2009 MFL62582001 ...