Question about Toshiba 52HM95 52" HDTV Projection Television

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Tv help could you give me the steps to replace optical engine in 52hn95? thanks

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Google Toshiba 52HM95 Service Manual. There is a site that will download it to you for $11.99. However, the section about removing the light engine is not very good. I tried it with mine and could only get the engine out a couple of inches. It would get caught on some of the wiring where I couldn't find a plug to unplug it. Sorry, but this is a tough one.

Posted on Jul 06, 2008

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The DMD chip is out on the light engine. Mitsubishi gave me part number 27695010 as the replacement part and the service tech that had looked at the television verified that yes, this is the part I need...


Hi,


First of all, thank you for contacting Fixya.com regarding on your problem.


Replacing the DMD chip on the DMD board is not technical, watch the video below.




the hardest part is the rear, chassis, and connectors dis-assembly.





11_30_2011_10_24_55_pm.jpg

- Remove all (A) screws from the back cover then pull it off.




11_30_2011_10_30_48_pm.jpg


- Remove 3 (C) screws from the optical engine.




11_30_2011_10_34_16_pm.jpg


- Disconnect all cables to the optical engine Assembly.

- Carefully slide the optical engine assembly from the cabinet.


Watch the video below.




You can access now the DMD board to replaced the Chip.


Ratings and feedback are highly appreciated.


Hope I helped you.

Have a nice day!


Good luck and take care!


Mjsazon

Nov 30, 2011 | Mitsubishi WD-65734 65" HDTV

1 Answer

Center of TV is red color, always,No: E21575750WS, Model NO; SP-V4K08783 Need to repair


samiran_bera,

You did not give the make of the unit and the model numbers given do not bring up any TVs during a google search. Without knowing what make, model or style tv you have I will offer what help I can. This is only a guess based on such little information but your problem sounds like a bad optical engine in a projection tv. The solution would be to replace the optical engine. You cannot repair the part, only replace it. I have a tip at http://www.fixya.com/support/r4251975-replace_dlp_light_engine which explains the problem, where to get the necessary parts and how to perform the repair.

Thanks for using FixYa.

hardrocko

Feb 08, 2011 | Hitachi Projection Televisions

2 Answers

I just recently changed my lamp in my hitachi 50 VF 820 and the screen has a large blue spot on it. I have done it before once or twice and all went well. Did I possibly put the bulb in incorrectly or is...


No. If the set turns on and you have a picture, the lamp is installed properly. Most of the time the optical block is the issue. The lamp shines directly into it. If the picture was good before the lamp was replaced, it is possible that that replacing the lamp might have dislodged some micro dust build up internal to the optical block and it landed in a concentrated area causing the red and green lcd panels not to pass light through as bright as the blue giving you a blue spot. Unfortunately the optical blocks are not designed to be taken apart to clean. Replacing the optical blocks are expensive. Most costing in the area of $700.00 to $1200.00 for the part. It also is a major tear down to get to the optical block to replace it. Once upon a time Hitachi had a couple of recalls on their optical blocks for various models. I do not know however if this qualified.
I hope this helps,
Skyassoc

Jan 06, 2011 | Hitachi 50VF820 Projection TV

1 Answer

Have a Sony TV modelKDS-R50XBR1 and after changing


Required optic block part number is A1148155A for KDS-R50XBR1, commonly calls light engine. Available HERE and HERE.
Click above links for price info.
Thanks.

Jul 30, 2010 | Sony KDS-R50XBR1 50" HDTV

1 Answer

DEVOLPING YELLOW LINE ON SCREEN


The yellowing of Sony’s KDF-60WF655 rear projection is a problem with the SXRD optical engine. This turned out to be a big problem on many of the SXRD TV's. Sony actually had a class action lawsuit that covered the optical engine for 5 years. My unit was replaced in June of last year (2009) about 1 month before the coverage ended. My unit had a bad yellow streak on the right hand side. Sony no longer covers the cost of replacement, as the class action suit has now expired. Sorry for the bad news. Its not clear if a new optical engine will suffer the same fate after a few years. Sony’s rear projection TV's are amazing and the picture rivals many of today’s LCD's and Plasma's. Any authorized Sony Tv repair shop will no exactly your problem and will be able to give you a fixed price to repair.
Hope this helps

Apr 01, 2010 | Sony Grand WEGA KDF-60WF655 60" Rear...

1 Answer

I need to replace the bulb on my TV model # HL-S5679W. I can not locate the replacement number for the lamp. I have been unsuccessful with contacting Samsung and need help.


This model does not use a lamp----if the LED unit is bad you may want to just forget it---

Samsung part number for the entire optical engine:


BP96-01470BIt is marked as no longer available (2006 model) and had a suggested list of 495 exchange.

Google the above part number and you will find some places selling the engine---for much more than Samsung wanted.

SORRY TO GIVE YOU BAD NEWS---no replaceable lamp in this model----the LED light unit is part of the optical light engine.

SD TECH

Oct 28, 2009 | Samsung HL-S5679W 56" HDTV

1 Answer

Picture on my lcd tv has went all dull and red and seems tv is at 75%power


Hello juneuk138:
Unfortuntely the televisions power is ok if you have a picture no matter how the video looks, Your problem rests with needing a new optics engine assembly. Also when and if you decide to have the optics engine replaced also replace your lamp. Here is a site that might help you find an optics engine for your television.
http://www.discount-merchant.com

Thanks please leave comment if futer assistance is needed.
Delhielectronics@live.com

Sep 29, 2009 | Hitachi 53UDX10B 53" Rear Projection...

1 Answer

Hitatchi 52" rear projection TV has blue spot in middle of screen


Hello :
I suggest u retrace you the steps u took to replace your lamp make sure no foriegn objects got on the prism where the light shines throung the optics engine, if you remove the lamp compartment througly. If you had a perfect picture prior to replacing the lamp, then retracing your steps you might find something that does not belone. One final note: Did you purchase the right lamp 120watts anything higher than this wattage could damage your optics engine. I suggest never vacuuming the compartment because particals fly around from the suction and could get on the glass of the color wheel asembly.

Sep 25, 2009 | Zenith D52WLCD 52" Rear Projection...

1 Answer

How to replace Bad Capacitors on a Mitsubishi WD-62525?


#1 press menu on mitsubishi remote control.If the white round cloud don't go.
you need to replaced block optical......light engine

Sep 13, 2008 | Mitsubishi WD-62525 62" Rear Projection...

1 Answer

Optoma TV light Engine or Optical Engine Replacement


Technical Service Corp 888-942-2929 is where you can purchase an optical engine, I inquired for my RD 65. The part cost over $900, not quite worth it.

Hope this helps

Apr 15, 2008 | Optoma RD50 50" Rear Projection HDTV-Ready...

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