Question about Sharp Pro PG-D120U Multimedia Projector

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HOW DO YOU CLEAN THE INSIDE LENS? - Sharp Pro PG-D120U Multimedia Projector

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You probably don't need to. I know you may see what looks like a lot of dust, but unless it's completely covered, that dust on the lens has very little effect on your projected picture. If it is really bad, you can try to open it up and clean the lens with a lint-free lens cleaning tissue (NOT FACIAL TISSUE) and a couple of drops of distilled water (or lens cleaning liquid). But you best bet, if it's really dirty is to take it to a service facility.

Posted on Apr 16, 2014

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Posted on Jan 02, 2017

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How can I open the case of my Samsung SL30 camera?


I wouldn't try to open the camera lens to that extent to clean it out, you will have to disassemble dozens of tiny parts, springs, leaf shutters, tiny screws, gears, motor.....etc. It is rare that you get dirt inside the lens, maybe it is something else outside the lens?

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Is it possible to clean INSIDE the lens of Jason model 192, if so how do u get inside to clean? About what is the model worth?


We don't do the cleaning but if there is a camera place near you they could do it. The lens is held in by a ring that takes a spanner wrench to remove.

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Unless something got spilled inside the TV, I suggest you think otherwise about cleaning inside the TV. You will only make things worse by doing so.

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How do I clean the inside of the screen?


Don't even try to clean the inside of the screen on the mode indicated here, av 56p575.

If the picture is darker remove rear cover and reach up with a lens cloth and clean the three large lens---they are your light source.

What is your reason to want to clean the inside of the screen, I am able to offer advice there.

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The headlight lens on the front right is very dull. How can I remove the lense and clean inside?


I've never seen the problem on the inside of the lens, only on the outside. Auto parts stores sell a kit to clean the lens.

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There is dust inside the lens. how do I clean the dust from inside the lens?


Your projector needs little maintenance. The only thing you need to do on a regular basis is

to keep the lens clean.

Never remove any parts of the projector except the lamp. Contact your dealer if other parts

need replacing.


Cleaning the lens

Clean the lens whenever you notice dirt or dust on the surface.

• Use a canister of compressed air to remove dust.

• If there is dirt or smears, use lens-cleaning paper or moisten a soft cloth with lens cleaner

and gently wipe the lens surface.

Never rub the lens with abrasive materials.

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How do I clean dust inside the camera? I noticed some splotches on my photos, then looked closely at the lens and it appears there is dust on the inside of the lens.


You can't clean inside the camera. Dust inside the lens would be so out of focus, it wouldn't register on your pics unless the particle was huge. Do these splotches only happen in your flash pictures?

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How can I clean the INSIDE of a Panasonic Lumix DMC-LZ7 lens?


Unscrew the entire lens assembly from the body. The inner lens cannot get debris inside it but the outside of it and the inside of the protector lens can. It's a good idea to do this cleaning in your bathroom with the shower on hot but not visibly steamy as this will cut the airborne dust by 90%.

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How to clean the lens from the inside


you can purchase lens cleaner Cd from market but best way to remove your CD rom cover and clean the lenz manually with lenz cleaner liquid are available in market or just use tissue paper.

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1 Answer

Clean dust inside the lenz


Don't. Unless there are some really big specks of dirt inside the lens then they will have no effect at all on picture taking. To prevent the problem getting worse always store your lens with it's front and rear caps on and inside a lens bag. Also make sure that your camera bag is clean and isn't shedding fibres from the inner linings.

Dismantling your lens to clean it is really a job best left to a professional who will then additionally check and clean/lubricate the moving parts inside the lens.

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