Question about NEC (50019497) Projector Lamp for VT440, VT54

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Ballast Assembly Replacement

I can't find a ballast replacement anywhere. Part number D9288BM-01. Is it possible to get parts like this?

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Post the number on ebay see if any are availble

Posted on Aug 21, 2009

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Pk01 samsung ballast burn outs


If the ballast is truly bad purchase another and replace it--they are not meant to be "repaired".

It can also if damaged/bad damage the Lamp it is directly connected to.

Google the model number of the set with "Ballast" to locate a replacement part and cost.

May 04, 2012 | Samsung HL56A650 56 in. TV

Tip

Ballast Diagnosis and Replacement in LCD Projection TVs.


When you have replaced the <a href="http://www.fixya.com/support/r4977572-when_change_ballast_in_dlp_tv#">lamp</a> in your LCD projection TV, and you still get lamp warnings and blinking standby lights or the light levels are extremely low, compared to the old lamp, your ballast probably needs replaced. Odds are it shorted out or developed problems when the old lamp failed.<br /><br />This is not a hard unit to replace on most sets but may require a little <a href="http://www.fixya.com/support/r4977572-when_change_ballast_in_dlp_tv#">knowledge</a> and familiarity with LCD units. The ballast makes the voltages for the lamp circuit. The ballast is generally located near the lamp and has two large soft rubber wires going to the lamp assembly. If you follow the wires from the back of the lamp, the box they lead to is the ballast. <br /><br />Replacement of the ballast involves removing any screws holding the cover on and the board in the <a href="http://www.fixya.com/support/r4977572-when_change_ballast_in_dlp_tv#">TV</a>. Disconnecting any wires from their plugs. Mark them with a sharpie prior to removal for easy assembly using a different number for each connector. <br /><br />Reassemble the unit using the new board and make sure that all covers are in place and all wires are properly connected. You may be able to <a href="http://www.fixya.com/support/r4977572-when_change_ballast_in_dlp_tv#">download</a> a service manual at <a href="http://www.retrevo.com/">http://www.retrevo.com</a> which will help with part numbers and has instructions on the removal and replacement of the ballast as well as diagrams and pictures to help with disassembly and reassembly. Retrevo does not have all service manuals. If you want one and are willing to pay about $16 US go to <a href="http://www.servicemanuals.net/">http://www.servicemanuals.net</a> . The manuals can be downloaded instantly.<br /><br />Any parts needed may be obtained at <a href="http://www.encompass.com/">http://www.encompass.com</a> or <a href="http://www.shopjimmy.com/">http://www.shopjimmy.com</a> . <a href="http://www.encompass.com/">http://www.encompass.com</a> sometimes will have the service manual for <a href="http://www.fixya.com/support/r4977572-when_change_ballast_in_dlp_tv#">free download</a>. Again they do not have everyone and it depends on your model, but it certainly is worth checking prior to purchasing one.<br /><br />When the job is complete your unit should be operational. If there are more problems try my tip at <a href="http://www.fixya.com/support/r4916941-diagnose_repair_projection_tv_high">http://www.fixya.com/support/r4916941-diagnose_repair_projection_tv_high</a> to troubleshoot the additional problems.<br /><br />Good luck with your <a href="http://www.fixya.com/support/r4977572-when_change_ballast_in_dlp_tv#">troubleshooting</a>. If you need more help let me know.<br /><br />Thanks for using FixYa and for the great rating. Please consider a testimonial. Thank You.<br /><br />hardrocko <br />

on Jan 14, 2011 | Televison & Video

Tip

How and when to change the ballast in a DLP TV.


When you have replaced the lamp in your DLP projection TV, and you still get lamp warnings and blinking standby lights or the light levels are extremely low, compared to the old lamp, your ballast probably needs replaced. Odds are it shorted out or developed problems when the old lamp failed.

This is not a hard unit to replace on most sets but may require a little knowledge and familiarity with DLP projection units. The ballast makes the voltages for the lamp circuit. The ballast is generally located near the lamp and has two large soft rubber wires going to the lamp assembly. If you follow the wires from the back of the lamp, the box they lead to is the ballast.

Replacement of the ballast involves removing any screws holding the cover on and the board in the TV. Disconnecting any wires from their plugs. Mark them with a sharpie prior to removal for easy assembly using a different number for each connector.

Reassemble the unit using the new board and make sure that all covers are in place and all wires are properly connected. You may be able to download a service manual at http://www.retrevo.com which will help with part numbers and has instructions on the removal and replacement of the ballast as well as diagrams and pictures to help with disassembly and reassembly. Retrevo does not have all service manuals. If you want one and are willing to pay about $16 US go to http://www.servicemanuals.net . The manuals can be downloaded instantly.

Any parts needed may be obtained at http://www.encompass.com or http://www.shopjimmy.com . http://www.encompass.com sometimes will have the service manual for free download. Again they do not have everyone and it depends on your model, but it certainly is worth checking prior to purchasing one.

When the job is complete your unit should be operational. If there are more problems try my tip at http://www.fixya.com/support/r4916941-diagnose_repair_projection_tv_high to troubleshoot the additional problems.

Good luck with your troubleshooting. If you need more help let me know.

Thanks for using FixYa and for the great rating. Please consider a testimonial. Thank You.

hardrocko

on May 29, 2010 | Televison & Video

1 Answer

Have checked all connections. Perfect audio. No picture. Have tried different channels. Does Akai have a recommended service depot or parts supplier in the Vancouver, Canada area? I suspect we need a lamp....


The television is actually pretty easy to check if you have a multimeter, T10 torx screwdriver or T10 socket, and a Philips screw driver. First of all remove the back cover from the television, do not worry about the screen assembly, it is flimsy but it is mounted on the inside to not go anywhere when the back cover is removed. Next remove the black voer that is mounted by 4 torx screws, the cover that has the projector part of the engine assembly sticking through, be careful not to damage the black foam rubber that is around the projector head. Once you have those two covers off, unplug the ballast power supply wire which is the white and black wire on the bottom of the ballast, the ballast is the circuit board that is mounted in front of the big fan on the right side Also has two wire coming from the top that plug into the lamp housing. With a multi meter check to see if you have power going into the ballast (TV has to be plugged in and turned on to do this step). If you have power going in then turn the television off and unplug it and and plug the power supply wire back into the ballast. Next remove the lamp which is secured into place with the one screw on the left side. See if you have power coming out. If you have power coming out than replace your lamp. If you do not have power going into the lamp than replace the ballast. If you do not have power going into the Ballast than replace the power supply which is part number DVL-U2830XC good luck in finding that part. If you have power going through to the ballast, and to the lamp and have replaced the lamp than replace the video board Part Number B0001

Dec 19, 2010 | Akai PT46DL10 46" HDTV-Ready Television

1 Answer

The lights indicated that I needed to replace my lamp. After doing so, the TV still doesn't have picture. What do I have to do to get it to work?


It is possible that the Ballast is not turning on the lamp. In past years it had been difficult to get the Ballast separate from the Optical Block but they seemed have them available. In order to replace it you will need to remove the Optical Block which is in the center. The ballast assembly is mounted on the right side of the OpticaL Block. Once the Optical Block assembly is removed, it is not difficult to replace. To order a Ballast, call 1800-631-3811. You will need the model number.
I hope this helps,
Skyassoc

Dec 10, 2010 | Toshiba 62HM95 62" DLP HDTV

1 Answer

I have a toshiba 46hm94p dlp tv. i need to replace the ballast. i pulled the tv apart and got the part number off the ballast, it is RPB-4434ZA . when i look that up by the part number it says its the...


yes they both the same part number one is board number and other is manufacturer number, board number is what it is and manufacture number is if its in other tvs.

Jul 15, 2017 | Toshiba TheaterWide 46HM94 46" Rear...

1 Answer

Won't show picture but has sound


You can have numerous problems. I have the exact same television in my shop awaiting parts because they are extremely hard to find. The service manual is useless unless you have the diagnositc software adn operational software to properly test the television, so do not attempt to buy a manual online you will waste your money. The television is actually pretty easy to check if you have a multimeter, T10 torx screwdriver or T10 socket, and a philips screw driver. First of all remove the back cover from the television, do not worry about the screen assembly, it is flimsy but it is mounted on the inside to not go anywhere when the back cover is removed. Next remove the black voer that is mounted by 4 torx screws, the cover that has the projector part of the engine assembly sticking through, be careful not to damage the black foam rubber that is around the projector head. Once you have those two covers off, unplug the ballast power supply wire which is the white and black wire on the bottom of the ballast, the ballast is the cicuit board that is mounted in front of the big fan on the right side Also has two wire coming from the top that plug into the lamp housing. With a multi meter check to see if you have power going into the ballast (TV has to be plugged in and turned on to do this step). If you have power going in then turn the television off and unplug it and and plug the power supply wire back into the ballast. Next remove the lamp which is secured into place with the one screw on the left side. See if you have power coming out. If you have power coming out than replace your lamp. If you do not have power going inot the lamp than replace the ballast. If you do not have power going into the Ballast than replace the power supply which is part number DVL-U2830XC good luck in finding that part. If you have power going through to the ballast, and to the lamp and have replaced the lamp than replace the video board Part Number B0001, good luck finding that part. If you have replaced the Video board, ballast, lamp, and power supply and it still fails part your television out and make parts available for other people because the last thing is the engine assembly which costs 2999.00, yes that number is right Two Thousand Nine Hundred and Ninety Nine Dollars. Again, parts are very hard to come by for that model and unless your a customer like that one I have that actually wants it fixed don't bother with it.

Feb 24, 2009 | Akai PT46DL10 46" HDTV-Ready Television

1 Answer

I cant find a part for my wd-52525


What makes you think the ballast is bad. Thats one part on the Mitsubishi DLP that very seldom needs replacement. Whats the symptoms with your WD52525

Jun 24, 2008 | Mitsubishi WD-52525 52" Rear Projection...

1 Answer

Ballast replacement


Your set uses the Phillips UPH100W 1.3 100http://servicemanuals.vstore.ca/ 1amp bulb part number 6912V00006A which uses Ballast EUC 6913V0002A and the actual ballast isMB03CA part number 6871VSMB13F I would contact LG and give them these numbers. Is your ballast bad or is the BallastEUC bad? Let me know if I can help you further.

May 12, 2008 | LG RU-60SZ30 60" Rear Projection...

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