Question about Sony VPL-CS7 VPL-CS7 MMPROJ XGA 1800LUMEN 6LBS Multimedia Projector

1 Answer

Can only view image in a very dark room.

My Sony VPL-CS7 has only had 600 hours bulb use.. I thought it was dead and not showing anything until i switched it on one day in a very dark room and discovered that it still was working but i just cant see anything in a dark room except if the room is extremely dark hence rendering it useless during the day as it will still be light.. Can anybody help me on how to get rid of this problem. Thank You.

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  • Johnson Chigs Jul 06, 2007

    Excellent solutions provided.. Appreciate the systematical approach to the problem and seeing that all solutions do work depending on the case. Only concern is i have not tried a replacement bulb yet and need to try other alternatives that do not need a bulb and only buy it when everything else has not worked as it is the costliest approach to all of them and the thought of it having worked for only 602 hours and i buy another one and find i have 2 bulbs which work after the cost involved.. Thanks for the assistance. Great stuff!

  • Johnson Chigs Jul 07, 2007

    Thanks NOGGIN.. Will get close up pictures of the bulb and get them to you as soon as possible. Cheers!

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If you need it you can get the user manual on this link; http://esupport.sony.com/perl/model-documents.pl?mdl=VPLCS7 check page 29 - brightness setting adjustment just to be sure this is not the problem. check page 36 - lamp mode - try high if not already set on it. Check page 42 - cleaning the filter - this can stop the projector functioning properly, but i don't think it's the problem in this case If the image is being projected exactly as normal, apart from the brightness, then the problem is most likely a failing bulb, despite the low hour count. Just possibly (but unlikely)there is a power supply problem that is not feeding enough voltage to the lamp, only way to tell for sure would be to either get a meter on the lamp terminals, which looks practically impossible with the lamp in place, (possibly will give a reading without the lamp, but the terminals may be disconnected from the power when the lamp is removed), or replace the lamp. Are there any flashing lights or error messages at all, does the projector seem hotter than usual, is the fan running as normal? could you actually see any error messages on the projected image if they were there? try really hard to read them if you think there could be something there. Try a different input source, unlikely problem but possible. Especially in smoky environments the lens can get quite a thick layer of grime on the outside - easily cleaned off gently with some vinegar and soft paper towel/soft cloth. This made enough difference on a similar one in a bar near me to give them 3 months more with the same bulb. Worth a try. If you need to source a bulb you need Sony LMP-E180 there appear to be no cheaper substitutes, you can get one direct from sony uk on this link; http://www.sony.co.uk/view/ShowArticle.action?articlesection=1&article=1158155174490&site=odw_en_GB These lamps are often cheaper from the US even with postage, if you can find a dealer who will send you one, check this link for some ideas; http://www1.epinions.com/t-sony-lmpe180 I got a lamp for a similar sony projector sent to spain a few months ago, saving about $280!!! - I'll keep trying to find the details of the company I used, no luck at the minute. Hope this helps, post back if you have any more info :)

Posted on Jul 04, 2007

  • Nigel Ridehalgh
    Nigel Ridehalgh Jul 06, 2007

    If you took the projector to a store which has the same model on display, they might just possibly be talked into letting you try the bulb out on yours if you put a deposit down on it - could be worth a try, or a repair shop/technician may have a bulb just for testing that you could use for a small fee. Otherwise hunt around all your friends, your work, their work etc and see if anyone has the same or a similar model with the same bulb.

    If you can take your bulb out and take a couple of close up photos, I may be able to spot if it is definitely broken, may not be conclusive but has to be worth trying.

    :)

  • Nigel Ridehalgh
    Nigel Ridehalgh Jul 13, 2007

    Any photos yet? :)

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