JVC 250 service manual 17 Red image needs vertical adjustment increase

Chapter 5---Electronics

Figure 5-17Red image needs vertical adjustment (increase).

If Red is higher than Green at the top and bottom, or lower than Green at the top and bottom, the Red image may not being centered correctly. This can be corrected with the centering adjustment (see Model 250 User’s Guide, Chapter 5).

Figure 5-18Red image needs vertical centering.

If the Red height pot does not completely eliminate the difference in height between Red and Green, balance the difference at the top and bottom. Too much of an difference at the top or bottom makes convergence procedures harder to accomplish.

4.Repeat Steps 2 and 3 above for Blue while hiding Red.

5.Recheck all Geometry and Convergence settings (see User’s Guide) and readjust wherever necessary.

Model 250 Service Manual 5-27