Samsung P843GW/YLP Service Manual page 22

8-2-8. Checking The Tacho Part
Have The Motor Turn In Hand
Is The Rectangular Curve
Check The Surroundings Circuit
NO
In The Micom 8,10th ?
And TR5
YES
Exchange The Motor
MICOM
R41 4.7K
R39
TR5
R38 1K 8
815
10
C15 C28
21