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DLPTV's...INSIDE cleaning??

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Old 08-19-2007, 10:24 PM   #16
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Well it's sounds like you have the answer to you question,yes you can be careful and clean the insides and yes there is a possibally of you damaging it..the ole saying pay me now or pay me more later.your choice.There are so many things the Tech looks for from exp..the lay person is not train to do just like in your job.bottom line..pay a pro. to take care of your exp/tv.Be patient./.The Doc..
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Old 08-22-2007, 02:53 PM   #17
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Quote:
Originally Posted by chefcancook View Post
Droz...its $95 to have the Tweeter guy just for making the trip. Than its $100 to have him take off the screen and wipe down the dust inside. And the lady added if there was anything wrong with my TV(which there is not)....than it could cost up to $400. This is why i want to take matters into my own hand.

BandB....there is definitely no bleeding of white into black. The dust is not horrible but I notice it during periods of white lights or lighter colors on the screen. I guess i am just picky and want it cleaned though I am thinking of just holding out now. TY for the info.


Irodptl.....what/where are the ISF threads??


thanks guys

chef
Wow... its amazing how much some of these companies charge their customers... I have had customers get mad at me for charging a $30 trip fee, I cant imagine what they would say about a $95 charge. Unless of course you live a long way away in which case $95 may be reasonable.
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Old 12-04-2007, 01:19 PM   #18
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Default How to clean a Mitsubishi DLP WD52725 or WD62725

How to clean behind the screen of a Mitsubishi DLP WD52725 or WD62725 or similar WD 52628 or WD62628.

_____________________________
My friend has a Mitsubishi DLP WD62725, I have the WD62628, very similar units. We cleaned the inside mirrors successfully and the following is a result of our experience. I make no promises but if you proceed carefully, with patience and you should be fine.

Warning: This is a two man job. You must have a helper strong enough to carry one end of the screen (do not drag it) once removed.
Warning: Do not use a drill as it will strip out your screws in the plastic.

Tools needed:
* A phillips # 2 bit screw driver. Either a hand screw driver, hand ratchet screw driver, or electric screw driver, but not a reversible drill. Drills are just too strong.
* A flashlight
* A new unused Swiffle dust collector refill. It actually will hold the dust, not scatter it and it is soft.
* A bottle of special DLP screen cleaning spray and micro fiber cloth available at Best Buy or equivalent. Read your manual for other warnings on cleaning your screen.
* An air can for blowing out some hard to reach areas or surfaces you really do not want to touch.
* Optical lens cleaning papers purchased at any camera store.

Now that you have the equipment and your helper, clean up the area. The screen is large. You will need a soft place to lean the screen so it will not get scratched or fall over. We used the backside of the sofa to lean the screen against. Get the little kids and curious pets out of the room. Vacuum the carpet before starting since your goal is to avoid dust inside the unit and if you have to lay the screen down you do not want anything on the carpet.

Special comment: The screen is actually two or three layers of material, depending on your unit. I had a 2 yr old child get a bottle of Windex (very bad for your screen) and sprayed and sprayed my screen in one spot. It ran down and capillary action sucked up the ammonia based liquid between the outer layer and the lens layer. I had to completely lay my screen face down on the carpet and dissemble the screen, the carefully absorb the Windex, very gently clean my lens and inside surface of the screen with DLP screen cleaner, and then reassemble. . .all under time pressure to avoid chemical etching damage. What a nightmare. I hope that never happens to you. Got it back together.

General Steps to perform:
I. turn off TV and unplug it completely.
II. remove speaker grill cover across front per your owner manual under changing the lamp cartridge.
III. Remove the screen as a unit per below. There is no need to dissassemble it further for dust removal.
a) First remove the 4 screws below the screen and place them in a small bowl (these have a different twist than others so keep them separate); there is 1 each screw on the small rectangular plates located on each end in the front speaker area and 2 on center plate near the lamp cartridge access panel.
b) Next, unplug wiring harness to the button controls. The buttons will be attached to the bottom of the screen when removed.
c) Remove screws on the sides of the cabinet behind the edge of the screen. There are two holes and only one screw in each location on the ouside of the cabinet but arrows are provided in the plastic to point to the proper holes to use later when reinstalling the screws.
d) remove the similar screws along the top behind the edge of the screen. The screen should remain in place by gravity.
e) Place all these screws in a different bowl.
f) Now you and your helper should lift and tilt the screen outward. If it does not move, you missed a screw somewhere. Lean the outside surface of the screen assembly against the sofa. Be careful, the button controls will break off so be gentle.

IV. Dust and clean. There are two mirrows, one very large one on the back of the TV and one small one in the center immediately in front. There is also a lens pointed at the small mirror. You will also notice an adjusting screw behind the small mirror. Do not touch this.
a) The usual problem is with the small mirror. It collects dust. Use the Swiffle to gently clean that mirror without moving it at all.
b) Once clean, check the lens. Shine the flashlight at it and look for lent and dust. Carefully clean it with the camera lens cleaning papers. Do not dislodge the rectangular lens cover.
c) Now swiffle the large mirror.
d) Now swiffle the sides and other areas of the cabinet.
e) If you use the air to blow out dust, you may need to recheck everything for dust.
f) Go to you screen unit. Use the air to blow off the inside surface but do not get too close and do not use too powerful of air as it could damage it.

V. Reinstall the screen.
a) Using your helper, reposition the screen. Be sure the top of the screen fits in the groove to keep it from falling off the cabinet.
b) Reinstall the screws in the reverse order they were removed in the holes marked by the arrows. Do not tighten until all screws are started. Then hand tighten each screw, but do not over torque.
c) Plug in the control cable below the center of the screen.
d) Reinstall the speaker grill.

VI. Plug in the unit and the front LED should stop flashing after a minute. Turn on the power.
VII. If your mirror was very dirty, the picture may be so bright with all that dust now removed, you may have to turn down the picture brightness settings. Enjoy you new TV.

Now, the WD52725 and WD62725 each have an air filter located on the left side of the unit. Clean the filter and reinstall per your Owners manual. This air intake is too small and causes most of the problem with dust because the TV pulls air in from every other available crack to feed the cooling fan. Later models such as the WD62628 have no filter at all and more generous air intake areas.

I hope this helped.

Last edited by daytripper1; 12-04-2007 at 01:25 PM.
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Old 01-06-2008, 08:18 AM   #19
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Default Thanks!

I have a Mitsubishi DLP 52" - your insturctions to clean the DLPs were perfect
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Old 01-08-2008, 03:27 PM   #20
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Default gray spots

I have larger gray spots on the inside of my HDFN57 JVC LCOS. Are these just dirt and or dust? You can still see 'picture' behind them, it just looks like there is a golf ball sized smudge on the screen (there isn't).

Thanks,

Mike
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Old 01-09-2008, 11:23 AM   #21
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Default Answer to my question...

Here's the answer to my question:

http://dktcluff.googlepages.com/jvc56fn97dust

Now I wonder what to use to get the dust off.

My first inclination is to blow the dust off with a rocket dust blower.
It's a manual blower I use to blow off camera lenses.

Next I'll use microfibre cloth to manually dust the lens. No liquids will be used.

I just hope I don't drop anything into the TV.
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Old 01-09-2008, 12:05 PM   #22
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Quote:
Originally Posted by daytripper1 View Post
How to clean behind the screen of a Mitsubishi DLP WD52725 or WD62725 or similar WD 52628 or WD62628.

_____________________________
My friend has a Mitsubishi DLP WD62725, I have the WD62628, very similar units. We cleaned the inside mirrors successfully and the following is a result of our experience. I make no promises but if you proceed carefully, with patience and you should be fine.

Warning: This is a two man job. You must have a helper strong enough to carry one end of the screen (do not drag it) once removed.
Warning: Do not use a drill as it will strip out your screws in the plastic.

Tools needed:
* A phillips # 2 bit screw driver. Either a hand screw driver, hand ratchet screw driver, or electric screw driver, but not a reversible drill. Drills are just too strong.
* A flashlight
* A new unused Swiffle dust collector refill. It actually will hold the dust, not scatter it and it is soft.
* A bottle of special DLP screen cleaning spray and micro fiber cloth available at Best Buy or equivalent. Read your manual for other warnings on cleaning your screen.
* An air can for blowing out some hard to reach areas or surfaces you really do not want to touch.
* Optical lens cleaning papers purchased at any camera store.

Now that you have the equipment and your helper, clean up the area. The screen is large. You will need a soft place to lean the screen so it will not get scratched or fall over. We used the backside of the sofa to lean the screen against. Get the little kids and curious pets out of the room. Vacuum the carpet before starting since your goal is to avoid dust inside the unit and if you have to lay the screen down you do not want anything on the carpet.

Special comment: The screen is actually two or three layers of material, depending on your unit. I had a 2 yr old child get a bottle of Windex (very bad for your screen) and sprayed and sprayed my screen in one spot. It ran down and capillary action sucked up the ammonia based liquid between the outer layer and the lens layer. I had to completely lay my screen face down on the carpet and dissemble the screen, the carefully absorb the Windex, very gently clean my lens and inside surface of the screen with DLP screen cleaner, and then reassemble. . .all under time pressure to avoid chemical etching damage. What a nightmare. I hope that never happens to you. Got it back together.

General Steps to perform:
I. turn off TV and unplug it completely.
II. remove speaker grill cover across front per your owner manual under changing the lamp cartridge.
III. Remove the screen as a unit per below. There is no need to dissassemble it further for dust removal.
a) First remove the 4 screws below the screen and place them in a small bowl (these have a different twist than others so keep them separate); there is 1 each screw on the small rectangular plates located on each end in the front speaker area and 2 on center plate near the lamp cartridge access panel.
b) Next, unplug wiring harness to the button controls. The buttons will be attached to the bottom of the screen when removed.
c) Remove screws on the sides of the cabinet behind the edge of the screen. There are two holes and only one screw in each location on the ouside of the cabinet but arrows are provided in the plastic to point to the proper holes to use later when reinstalling the screws.
d) remove the similar screws along the top behind the edge of the screen. The screen should remain in place by gravity.
e) Place all these screws in a different bowl.
f) Now you and your helper should lift and tilt the screen outward. If it does not move, you missed a screw somewhere. Lean the outside surface of the screen assembly against the sofa. Be careful, the button controls will break off so be gentle.

IV. Dust and clean. There are two mirrows, one very large one on the back of the TV and one small one in the center immediately in front. There is also a lens pointed at the small mirror. You will also notice an adjusting screw behind the small mirror. Do not touch this.
a) The usual problem is with the small mirror. It collects dust. Use the Swiffle to gently clean that mirror without moving it at all.
b) Once clean, check the lens. Shine the flashlight at it and look for lent and dust. Carefully clean it with the camera lens cleaning papers. Do not dislodge the rectangular lens cover.
c) Now swiffle the large mirror.
d) Now swiffle the sides and other areas of the cabinet.
e) If you use the air to blow out dust, you may need to recheck everything for dust.
f) Go to you screen unit. Use the air to blow off the inside surface but do not get too close and do not use too powerful of air as it could damage it.

V. Reinstall the screen.
a) Using your helper, reposition the screen. Be sure the top of the screen fits in the groove to keep it from falling off the cabinet.
b) Reinstall the screws in the reverse order they were removed in the holes marked by the arrows. Do not tighten until all screws are started. Then hand tighten each screw, but do not over torque.
c) Plug in the control cable below the center of the screen.
d) Reinstall the speaker grill.

VI. Plug in the unit and the front LED should stop flashing after a minute. Turn on the power.
VII. If your mirror was very dirty, the picture may be so bright with all that dust now removed, you may have to turn down the picture brightness settings. Enjoy you new TV.

Now, the WD52725 and WD62725 each have an air filter located on the left side of the unit. Clean the filter and reinstall per your Owners manual. This air intake is too small and causes most of the problem with dust because the TV pulls air in from every other available crack to feed the cooling fan. Later models such as the WD62628 have no filter at all and more generous air intake areas.

I hope this helped.

All I have to say is WOW. i have a Mitsu 62825. After a home remodel project, the picture started looking very substandard. I had the tv in another room, upstairs and covered, but it didn't stop the drywall dust from finding it. I had a hunch that dust was effecting the picture, but not sure how much difference it would make. After a call to the place I bought it, I learned cleaning was not covered under my extended warranty. So I set out to clean it myself. The reason I say wow is that the method of cleaning that I devised without having read the instruction above ever before, was nearly identical - right down to the swifter. My advice to anyone THINKING about cleaning your DLP - DO IT. My picture quality improved beyond my wildest dreams. The TV was a floor model when I purchased it and undoubtedly covered in dust a little already, once thoroughly cleaned, the PQ came to life as I had never seen it before. Amazing difference.
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Old 02-01-2008, 12:05 AM   #23
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Thumbs up Cleaned my Mitsu 62628

I just replaced my lamp today and got daring and I took off the back panel there was no need to take off the front.the whole job took me 30 minutes max.Just have to be real careful of the back mirror.clean the gun lens
(the only camera looking lens)used camera lens cleaning tissue.
This is a 2 man job cuz of the mirror.here is how it went
1unscrewed the back mirror cover
2 cleaned the back side of the mirror the one you see 1st with the cover off
3 got a friend and I to carefully remove the mirror.
4 cleaned the other side (windex and P towels)
5 gently cleaned the Gun lens (use the camera tissue to not wipe off the lens coating) and gently wiped off the inside of the screen
6 wiped out the chasis with a tak cloth moist P towel will do.
7 reinstalled the mirror dropping in the top first.
8 Put on the back plastic large cover screwed it in and DONE!

WOW WOW YEEEHAWWWWW ,DAMN IT LOOKS KILLER,HIGHLY RECCOMEND ,CLEAN THE TV INSIDE WHEN YOUR LAMP GOES!!!!!
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Old 01-01-2009, 09:48 AM   #24
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Daytripper-- Thanks, for the info on how to clean the mirrors. Did mine this AM and what a difference. Can't believe how much dust built up in there.
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Old 04-08-2009, 05:49 PM   #25
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Thumbs up

Hey wanted to say thanks. I have a Mitsubishi 65" dlp we had accidentally spilled iced tea on and It's now good as new!

The tea had seeped into bottom and got pulled into the space between the two screens (leaving an area that only reflected the light directly and thus looked dark from any angle except watching it head on). It was starting to dry, but it was leaving some noticeable stains.

Keep in mind, if you follow the steps below you are responsible for ensuring your screen won't be adversely affected by the alcohol/water mixture mentioned and you are more than likely voiding any warranty you have left. Also the screens are plastic and grooved (on the inside), so they will scratch very easily.

Items used:
1 bottle of rubbing alcohol
1 spray bottle
1 bottle of filtered water
1 can of compressed air
1 air purifier
1 optical lens cloth or lcd/plasma screen cleaning cloth (you can find these in the camera department of most stores or in the electronics departments of most stores).

Steps followed were:
1. Cleaned out the room where the TV was, vacuumed and set the air purifier on high (to hopefully take care of any airborne dust).
2. mixed 2 parts water to 1 part rubbing alcohol in the spray bottle
3. Moved the TV to the floor, disconnected all cables, unplugged the power.
4. Removed the two screws inside the front AV panel.
5. Removed the screws around the back edge of the TV which support the screen holder.
6. Removed the screen holder (it includes the front part of the foot of the TV) and placed it face down on a clean flat surface

*** For the next few steps, be very careful. The screens are plastic, grooved and VERY easy to scratch ***
7. Removed the 4 bars that support the screen one by one (about 4 screws each)
8. Removed the milky white screen that was on top (it has a pattern of concentric circular grooves).
9. Applied liberal amounts of cleaner to the areas with the stain and tilted the screen slightly so the cleaner could flow off the screen (placed a couple of towels to catch the excess cleaner)
10. Coated the rest of the screen with the cleaner and using the optical lens cloth, I carefully worked with the grooves and wiped the screen. Reapplied the solution and re-wiped any areas that still had water/tea stains.
11. Went over one more time to remove any residual dust or lint left by the cloth.
12. Repeated step with the screen that was still on the screen frame (outer screen).
13. Used the compressed air to blow over the screens to ensure they were dry and dust free. Inspected them to make sure they didn't need any further cleaning.
14. Went ahead and used the compressed air on the dlp lens (it had a dust spec on it that was noticeable in low light scenes).
15. With help, replaced the screens in reverse order (again being careful not to scratch them).
16. Replaced the 4 bars that support the screens (making sure the screen was on a flat surface).
17. Placed the screen and screen holder back on the TV.
18. Good as new!

Edit: Attachments below are:
1. Screen (already removed) with the liquid trapped between the two screens visible.
2. Screens separated
3. Screens cleaned
4. TV re-assembled and working!
Attached Images
File Type: jpg HPIM0304.jpg (63.1 KB, 144 views)
File Type: jpg HPIM0307.jpg (57.0 KB, 141 views)
File Type: jpg HPIM0308.jpg (32.7 KB, 140 views)
File Type: jpg HPIM0309.jpg (41.6 KB, 137 views)

Last edited by JFMR; 04-08-2009 at 05:53 PM. Reason: Note on attachments
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Old 09-17-2010, 10:48 AM   #26
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Thumbs up I just wanted to be another in the long line of people to say thanks so much!

I was another person who had liquid get sucked up into the two plastic screens. So I found this website and I am sooo glad I did cause once again my tv is beautiful. So once again thank you so very much..!!




Quote:
Originally Posted by JFMR View Post
Hey wanted to say thanks. I have a Mitsubishi 65" dlp we had accidentally spilled iced tea on and It's now good as new!

The tea had seeped into bottom and got pulled into the space between the two screens (leaving an area that only reflected the light directly and thus looked dark from any angle except watching it head on). It was starting to dry, but it was leaving some noticeable stains.

Keep in mind, if you follow the steps below you are responsible for ensuring your screen won't be adversely affected by the alcohol/water mixture mentioned and you are more than likely voiding any warranty you have left. Also the screens are plastic and grooved (on the inside), so they will scratch very easily.

Items used:
1 bottle of rubbing alcohol
1 spray bottle
1 bottle of filtered water
1 can of compressed air
1 air purifier
1 optical lens cloth or lcd/plasma screen cleaning cloth (you can find these in the camera department of most stores or in the electronics departments of most stores).

Steps followed were:
1. Cleaned out the room where the TV was, vacuumed and set the air purifier on high (to hopefully take care of any airborne dust).
2. mixed 2 parts water to 1 part rubbing alcohol in the spray bottle
3. Moved the TV to the floor, disconnected all cables, unplugged the power.
4. Removed the two screws inside the front AV panel.
5. Removed the screws around the back edge of the TV which support the screen holder.
6. Removed the screen holder (it includes the front part of the foot of the TV) and placed it face down on a clean flat surface

*** For the next few steps, be very careful. The screens are plastic, grooved and VERY easy to scratch ***
7. Removed the 4 bars that support the screen one by one (about 4 screws each)
8. Removed the milky white screen that was on top (it has a pattern of concentric circular grooves).
9. Applied liberal amounts of cleaner to the areas with the stain and tilted the screen slightly so the cleaner could flow off the screen (placed a couple of towels to catch the excess cleaner)
10. Coated the rest of the screen with the cleaner and using the optical lens cloth, I carefully worked with the grooves and wiped the screen. Reapplied the solution and re-wiped any areas that still had water/tea stains.
11. Went over one more time to remove any residual dust or lint left by the cloth.
12. Repeated step with the screen that was still on the screen frame (outer screen).
13. Used the compressed air to blow over the screens to ensure they were dry and dust free. Inspected them to make sure they didn't need any further cleaning.
14. Went ahead and used the compressed air on the dlp lens (it had a dust spec on it that was noticeable in low light scenes).
15. With help, replaced the screens in reverse order (again being careful not to scratch them).
16. Replaced the 4 bars that support the screens (making sure the screen was on a flat surface).
17. Placed the screen and screen holder back on the TV.
18. Good as new!

Edit: Attachments below are:
1. Screen (already removed) with the liquid trapped between the two screens visible.
2. Screens separated
3. Screens cleaned
4. TV re-assembled and working!
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