User manual SANYO LNS-W11 LENS REPLACEMENT PROCEDURE

[. . . ] LCD Projector Lens Replacement Procedure Model Number LNS-T10/LNS-W10/LNS-T11/LNS-W11 AH-23541/AH-23511/AH-23661/AH-23631 Notes on Lens Replacement Lens replacement should be performed by the qualified service personnel. Before an attempt to replace the lens, confirm the model number (both the LCD projector and the lens) and prepare the proper lens. When installing or removing the lens, be careful not to stain, scratch or damage the lens. [. . . ] Turn the Lens Cover counter-clockwise and pull it toward front to remove the Lens Cover. Remove the two screws (SCREW "A") and remove the Top Cabinet. TOP CABINET SCREW "A" LENS COVER Fig-1-1 SCREW "A" 1. Remove the two screws (SCREW "A") and remove the Top Cabinet. TOP CABINET LENS COVER Fig-1-2 2 Remove the Light-Block Sheet Base Slide the Light-Block Sheet Base upward to remove it. LIGHT-BLOCK SHEET BASE Fig-2 -3- 3 Remove the Lens Push the Lens Lock Lever and turn the lens counterclockwise (1/4 turn) and then take it out. Be careful not to drop the lens. LENS LOCK LEVER Fig-3 4 Mount the Lens 1. {When LNS-W11 (AH-23631) is installed, the Light Block Sheet is unnecessary. } 3. Insert the lens into the Lens Bracket of the projector as matching the red mark on the lens to that on the Lens Bracket. Turn the lens clockwise until the lens is locked with Lens Lock Lever. LENS BRACKET Insert the lens into the Lens Bracket as matching these marks. Fig-4 -4- 5 Mount the Light-Block Sheet Base Mount the Light-Block Sheet Base. LIGHT-BLOCK SHEET BASE HOOKS LIGHT-BLOCK SHEET Light-Block Sheet should be located under the hooks. HOOKS Fig-5 6 Mount the Top Cabinet and the Lens Cover For the Cabinet Fig. Position the mark "UP" of the Lens Cover on top and push into the cabinet. {When LNS-W11 (AH-23631) is installed, the Lens Cover is unnecessary. } For the Cabinet Fig. {When LNS-W11 (AH-23631) is installed, the Lens Cover is unnecessary. } Turn the projector on and check Lens shift, Zoom and Focus is operating properly. If Light-Block Sheet interfere with those operations, check if the Light-Block Sheet is set properly. LNS-W11 (AH-23631) cannot adjust the Zoom and Focus at the Remote control or the projector. UP Fig-6-1 Fig-6-2 -5- Focus Adjustment {For LNS-W11 (AH-23631)} Set up the projector in the place where it is to be used, turn on the power and project a picture. The focus at the edges of the screen may not be as sharp as at the center of the screen. If the focus cannot be set correctly at the center of the screen, it will be necessary to move the lens unit forward or back relative to the flange in order to adjust the back focus. Turn the fixing roulette about 1/4 of a turn counterclockwise to release it. [. . . ] Check that the focus at the center of the screen is correct, and then turn the fixing roulette clockwise until it is tightened securely. Check that the focus ring is still turned counterclockwise as far as it will go at this time. Return the projector to its original setup location and repeat steps 1 and 2 to adjust the focus. PIN FOCUS RING FLANGE ROULETTE NOTE: Please remove 3 pins when you install it in the cabinet of B type. -6- [. . . ]