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Best cleaning method for projector bulbs on samsung will glass cleaner do any harm?

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  • jsmiles4012 Mar 06, 2009

    thanx 4 the help!


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Do not by any means clean the glass on a bulb or leave a finger print on it. If you dropped a new lamp in the dirt, blow it off with canned air. No amount of dust on the lamp will affect the image. Its most likely burn from usage.

If there is a dark spot in your image it is caused by a discolored reflector, dirt inside the optical path, faulty LCD.

Posted on Mar 06, 2009

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Mitsubishi Model Ts 4553 picture dull and dark will cleaning the inside help or do you think I need a bulb replacement

You will want to clean lens and mirror when you replace the bulb so why not try it first. Avoid glass cleaner with amonnia as it will ruin mirror.

Oct 20, 2014 | Projection Televisions

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Picture looks 3d how do i fix

If you can access the three projector lenses you will probably find them covered in dust, this shifts the light slightly giving a blurry 3D effect on the screen. Clean the dust off with lens tissue and window cleaner or a cleaner made for glasses and this will restore your picture.

Sep 07, 2014 | Samsung HLP4663W 46" Rear Projection HDTV

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I did something wrong.....

Windex is not the best cleaner. Bed and Bath Beyond has a very good NON-Streak class cleaner that I tell my customers to use. The best solution is NOT to Spray directly onto the TV Screen. Remember the glass is only delivering the picture from an RGB projection unit sitting inside the enclosure. It is not the electronic projector and the screen is separate. It can be replaced if damaged; however I believe it is only streaked and needs proper cleansing. If you get the new cleaner, spray the solution onto a soft cloth and wipe the exterior screen. Promptly wipe it dry and if you need to do this a few times, eventually you will get the glass clear and enjoy the show.

Dec 18, 2013 | Panasonic Projection Televisions

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How old is the lamp? I've seen old projector lamps get a crusty build-up on the filament near the end of their life cycles. On one projector that was getting really dim, I turned the projector upside down to check the model number and the encrustation fell off the filament, restoring the lamp to almost-normal brightness. Removing the lamp housing to inspect the lamp and replacing it may do the same thing. Bear in mind that if this is happening, the lamp is about done, and it's safer to replace it than risk catastrophic failure. The lamp will age faster than normal if the vent slots are not kept clean (a vacuum cleaner with a soft brush works for this) or if the set is power-cycled frequently.

Two warnings: your owner's manual will tell you to shut down the set and wait an hour before removing the lamp. Check page 109 of the manual and FOLLOW THE DIRECTIONS OR YOU MAY GET A BAD BURN. Also, NEVER touch the lamp itself with bare fingers unless you intend to dispose of it with no further use. When the lamp gets hot, skin oil will react with the special glass causing discoloration and structural weakening. That may cause it to explode! If you must handle the bulb, wear new disposable food handling gloves. The manual assumes that a lamp run to the end of life may break anyway, and treats the lamp housing as if it contains mercury-contaminated broken glass. (You may be able to save money by replacing the bare bulb in the housing, but wear gloves when handling the new bulb and be sure to polish the wire terminals if they are not shiny clean in the contact area. The old bulb is hazardous waste and must be disposed of in the same manner as fluorescent lamps.) If you change the bulb, be sure to reset the lamp hour record as described on page 110.

Another possibility is tarnished contacts on the bulb or lamp housing. Mild cases can be remedied by polishing with a clean pencil eraser - I prefer the soft white kind often found on mechanical pencils. Heavy tarnish may require the use of a Scotch-Brite abrasive pad (rougher stuff than you get on the back of a cleaning sponge).

If you have a smoker in the household, the optics may be contaminated with tar (use a soft, low-lint cloth dampened with lens cleaner - do not spray the cleaner directly into the set because it could get into the electronics). This is work inside the set - it must be unplugged for at least an hour before starting to ensure all parts are cool. Do not touch the electronics - they are vulnerable to static electricity damage, and capacitors in the power supply may hold a charge for a time after the set is unplugged. Do not disassemble the optics - getting everything refocused and aligned is probably a major job without the proper tools and knowledge of the system. You may want to consider hiring a professional with LCD rear projector TV experience.

In the worst case, there is a problem with the regulation of the lamp power. Usually a fault of this nature will be detected and the set will flash an error code on its indicator lights instead of running. It can be repaired, but it's a job for a professional technician unless you want to swap circuit boards until it works (may not be any cheaper than paying somebody who has the service manual and knows how to use it).

Jul 23, 2011 | Mitsubishi WD-73827 73" HDTV DLP TV

1 Answer

Screen is a bit there more than one bulb? if so, how do i know which one to replace?

With this TV there is only one projection bulb.My first suggestion is to replace the bulb that illuminates the screen,it might be nearing its life out.Still you need to check the lens too for some dust that accumulated on the surface,clean it with a cotton glass cleaner,it might get things a little brighter.If this doesn't help go to my first suggestion.

Nov 06, 2010 | Samsung HLP4663W 46" Rear Projection HDTV

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How to clean bulbs and mirrors

Remove the lower speaker grill assembly and there will be 4-6 screws at the base of the screen assembly.It is best to have an extra person to help remove the screen.Grab the lower corners of the screen assembly and lift straight up.You can then use a micofiber cloth and ordinary glass cleaner to clean the mirror and lenses.Remember not to drip!

Dec 08, 2009 | Hitachi 43UWX10B 43" Rear Projection...

1 Answer

What is the best thing to clean the screen of this TV?

Use the cheap eye glass cleaner Wal Mart sells in the eye department.  Their cleaner is safe for glass surfaces, cleans real nice, and helps repel dust.

Oct 30, 2009 | Sony Grand WEGA KDF-50WE655 50" Rear...

2 Answers

Is there any way that a rear projection screen can be cleaned? That is the inside of the screen not the outside.

Most definetly. There are three guns that have lenses that should be cleaned they are heavy glass and can be cleaned with lens cleaner or a mild glass cleaner. There is also a mirror that needs to be cleaned. If it is glass its easy to clean, however it maybe mylar in which case you have to be very careful cleaning it. Can make a major difference in picture quality.

Sep 27, 2009 | RCA HD52W56 52" Rear Projection HDTV

1 Answer

Lens cleaning

Do not use any solutions. Use a dry, dust free cloth. If there is something on the lens that is sticky, you can use a drop of Alcohol free cleaner and you must put it on the cloth first. Do not let it run.

Mar 06, 2009 | Samsung HLP4663W 46" Rear Projection HDTV

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