Advertisement
Quick Links
Projector Lens Replacement Procedure
Model Number
LNS-W50/LNS-W51/LNS-W52/LNS-S50/LNS-T50/LNS-T51
●
Lens installation and replacement should be made by the qualified
service personnel.
●
Do not give a shock or excessive load to the projector or the lens
components as the projector and lens components contain precision
parts.
●
When transporting the projector with the lens, remove the lens before
transporting the projector. The lens and the lens shift mechanism may
be damaged by improper handling during transportation.
●
Before removing or installing the lens, be sure to turn off the projector,
wait until the cooling fans stop, and turn off the main power switch.
●
Do not touch the lens surface when removing or installing the lens.
●
Keep fingerprints, dust or oil off the lens surface. Do not scratch the
lens surface.
●
Work on a level surface with a soft cloth under it to avoid scratching.
●
If you remove and store the lens, attach the lens hole cover to the
projector to keep off dust and dirt.
●
When using the LNS-W52 lens unit, set the lens shift adjustment to the
center of the screen. Otherwise, the edges of the screen may become
darker or shadows may appear.
Printed in Japan
Notes on Lens Replacement
1AA6P1P5701-- (IFNR)
Advertisement
Related Manuals for Sanyo LNS-W50
Summary of Contents for Sanyo LNS-W50
- Page 1 Projector Lens Replacement Procedure Model Number LNS-W50/LNS-W51/LNS-W52/LNS-S50/LNS-T50/LNS-T51 Notes on Lens Replacement ● Lens installation and replacement should be made by the qualified service personnel. ● Do not give a shock or excessive load to the projector or the lens components as the projector and lens components contain precision parts.
- Page 2 Installing or Removing the Optional Lens Remove the Lens hole cover Keep the lens hole cover in safe for later use. Use the lens hole cover to the projector during transportation. Fig-1 LENS HOLE COVER Mount the Lens Red mark 1.
- Page 3 Focus Correction When the lens is attached to the projector and images are being projected onto the screen, the peripheral focus may be out of focus in some localized areas. If this happens, adjust the three focus adjustment screws on the lens mount to adjust the focus balance of the screen. About the focus balance Relationship between lens orientation and screen focus If the projection lens is tilted with respect to the plane of the screen, uneven focus will result.
- Page 4 Adjustment procedure Loosen the focus locking screws (Black) of the adjustment point. Turn the focus adjustment screws (Silver) to adjust the focus balance. When adjustment is complete, tighten the locking screws (Black). Three adjustment screws can work on the following focus balances respectively. Point A Adjust the focus balances of left and right side of the screen.