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DA100 (50Hz) Chassis – Article for Television Magazine
Faults in the Picture Rotation and Scan Velocity Modulator Circuit
One of the most common problems in this area occurs after a receiver has been serviced. The plugs
for the scan velocity modulator and the rotation coils are the same, and it is easy to mix the two up.
If no adjustments are made to either of these circuits, then there may not be any noticeable change
to the picture. If left in this condition for a number of hours, the rotation output transistors will fail
prematurely.
for the scan velocity modulator and the rotation coils are the same, and it is easy to mix the two up.
If no adjustments are made to either of these circuits, then there may not be any noticeable change
to the picture. If left in this condition for a number of hours, the rotation output transistors will fail
prematurely.
Figure 60: SVM and Tilt Coil Connectors
Page 62 of 80
Sharp Electronics (UK) Limited - March 2003
Revision 2
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