JVC 340 SC - Manual (Page 90)

Chapter 2—Functional Descriptions
2-78 HJT Model 330, 340SC, and 370SC Service Manual
Figure 2-21 Simplified illustration of the Series 300 Projector optical path
The phase modulated light exiting the ILA
®
assembly re-enters the prism
assembly that, in this direction, passes vertically polarized light to the projection
lens and onto the screen. Horizontally polarized light re-entering the prism
assembly is rejected. Light that is not fully horizontally or vertically polarized will
pass through the prism assembly in varying degrees of brightness.