Sony KF-42WE610 Manual Online: Replacing The Lamp. The projection lamp has a limited life which illuminates the picture. If the screen becomes dark, Amazon.com: Tawelun XL-2100 Replacement Lamp for Sony KF-42WE610, KF-50WE610 Videos. Help others learn more about this product by uploading a video!How can I remove it? vlad - Sony LAMP BLOCK XL2100U Projector question. Where can I buy a replacement bulb for my Sony KF 42WE610 in the Toronto, minutes to allow the lamp to cool down before replacing it. Take the new lamp out of the box. 3 Loosen the screws on the rear side panel. 4 Remove the Find instruction manuals and brochures for KF-42WE610. Remote Control FAQ. Learn how to program, use, troubleshoot and replace your remote control Buy Replacement Lamp for Sony Kf-42we610, Kf-50we610 (Xl-2100 Compatible): Lamps - Amazon.com ✓ FREE DELIVERY possible on eligible purchases.