5/2/2023 0 Comments Dila projektorThe flickering never started right away, only after two to three hours of use, so I tried to keep my viewing shorter than that. Sadly, the same thing happened again during my next few viewing sessions. I immediately powered down the projector, hoping that this was a one-time overheating issue and wouldn’t recur. I checked the lamp counter and found that the bulb had barely over 600 hours on it. I recognized this as the first sign of impending lamp failure. Then, one night after a few hours of movie watching, the projector’s picture started to flicker. My lamp was plenty bright and HDMI lock-ups were rare. In any case, all seemed well until a couple months ago. As far as I’m aware, later product generations were unaffected, which suggests that JVC discovered the fault and fixed it, leaving owners of 2011 line in the lurch. To the best of my knowledge, all of these issues were isolated to JVC’s 2011 models. Doing so is very hard on the lamp and may contribute to early failure. When this happened, my only resort was to unplug the projector, forcing it to turn off without a proper cool-down cycle. Of more concern were periodic HDMI lock-ups, where the projector would blank out its image and refuse to respond to any commands, either from the remote or the physical buttons on its back panel. I considered this a minor nuisance and didn’t give it much thought. Again, this seemed to be a very common problem among other owners. This meant that it wouldn’t receive commands from the remote control unless I aimed it to bounce the signal off the back wall of my room, so that the rear IR sensor could pick it up. Seemingly unrelated to this, the front IR sensor on the projector stopped working. Over time, I became complacent and stopped worrying about the projector, assuming that this third lamp was the fix I needed and that I’d get a good, long life out of it. ![]() My third lamp had the flapper and seemed pretty stable, but I’d also been using this projector a lot less by that point and hadn’t put as many hours on it. Some users reported better results after this. JVC eventually revised the lamp housing to include a flapper that would push more airflow toward the lamp, hopefully to prevent overheating. Considering that replacement lamps cost around $400 each, this was truly unacceptable.Īt the time, these issues were believed to be the fault of a design defect in the lamps. My second lamp lasted about 1,000 hours, which was an improvement but still well short of expectations. I wrote in 2012 about how my first lamp died after just 507 hours of use, barely 1/6th of its rated lifespan. Unfortunately, not long after I purchased it, I and many other RS40 owners ran into a serious problem with premature lamp failure. Although it’s a 2011 model and no longer state-of-the-art, when everything is working it still puts out a hell of an impressive picture. However, I still consider my JVC DLA-RS40 to be my reference projector, reserved exclusively for 2D Blu-ray viewing. I use a Sharp DLP model for 3D and (more importantly) for general TV viewing, which means that it gets the bulk of my use. I have two projectors in my home theater. After doing some research, I decided to attempt the daunting task of repairing it myself. When it started acting flaky on me recently and seemed possibly on the verge of failure, a giant knot formed in the pit of my stomach. ![]() A JVC D-ILA projector is the heart of my home theater.
0 Comments
Leave a Reply. |
AuthorWrite something about yourself. No need to be fancy, just an overview. ArchivesCategories |