Stator Assembly - LG WM3360H CA Series Service Manual

9-3. STATOR ASSEMBLY

Wiring
Circuit in the MAIN PWB / Wiring Diagram
diagram
MAIN PWB
Function
The Direct Drive motor can be driven from stopped to maximum speed in infinite
steps in either direction.
There are 36 poles on the stator; 12 permanent magnets spaced around the rotor.
There are no brushes to wear out. Unlike a more traditional brushless motor, the
rotor surrounds the stator rather than being attached to it.
Test points
(Windings)
HALL SENSOR
Result
Test Points
(Windings)
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12V
Ha
Hb
NA1NA
MICOM
u v w
w
v
IPM
u
RD4
Result
5-15 Ω
(1) to (2)
5-15 Ω
(2) to (3)
5-15 Ω
(3) to (1)
39
5 5
WH WH
1 1 4 4
4 4
3 3 3 3
2 2
RD
RD
2 2 2
3 3 2
BL
BL
4 4 1 1 1 1
GY GY
YL
3 3 3 3
BL
2
2 2 2
RD
1
1 1 1
YL
3 3
BL
2 2
RD
1 1
RD
(1)
GND
Hb
Ha
w
u
v
WINDINGS
(3)
(2)