Question about Zenith Z44SZ80 Television

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I reaplaced the projection bulb in my Z44SZ80 and it keeps turning of every ten minutes. Any advice?

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Posted on Oct 10, 2010

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I changed the bulb on my Zenith Z44SZ80 and the TV picture is really dark and not bright like it used to be. The old bulb was 100w and the new one is 120w. I tried adjusting the brightness and contrast...


curthansen,

You should revisit the lamp by removing it and checking for any obstruction in the light path. When satistied that nothing is blocking the light path and if you still have low light levels I would contact the vendor and try to exchange your lamp for a new one. If the unit is still dim after installing a new, 2nd lamp, I would replace the ballast board assembly. I have a tip at http://www.fixya.com/support/r4977572-when_change_ballast_in_dlp_tv which explains the problem, how to fix it and where to get the parts at the best price.

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

hardrocko

Jan 14, 2011 | Zenith Z44SZ80 Television

1 Answer

Periodically my 52HM95 would have some little electrical glitch where it would not come on when I turned the tv on. I would have to wait a little while before I tried again, or I could shut the power off...


I have a similar DLP TV. If you losing your new bulbs that quickly there is likely a problem with cooling. There is a fan that keeps bulb cool. Make sure the fan is working and there is nothing blocking the air passages. I have not had a problem with my fan but you should be able to find a replacement at Radio Shack or a computer/electronics store like MicroCenter. They come in standard sizes just make sure the voltage is correct typically 120 VAC or 12 VDC.
I have had the computer inside crash such that the sound would work, the bulb would come on, put no picture. Fixed by unplugging the TV for one minute then plug in and turn on.
The bulb repeatedly goes through its startup cycle but never comes on. It tries about ten times then stops. Fixed by removing the bulb housing and firmly tapping it on a counter top ten times. This was at Toshiba instructions over the phone and it actually worked.

Dec 31, 2010 | Toshiba 52HM95 52" HDTV Projection...

1 Answer

Have replaced the bulb in my jvc 61z585 hd-ila rear projection tv. It worked find for two hours. We turned it off for several hours and when we turned it back on we got a picture for ten seconds, then...


Probally the Ballast board have problems,if the safety switch problems,u should not have a picture at all in the first place.Now,the tv turn on?U hearing alot of clicking?Yes,the Ballast board is dead,it not igniting the projection lamp anymore.

Oct 11, 2010 | JVC HD-61Z585 61" Rear Projection...

1 Answer

No picture but I have sound.


U have not change the projection bulb for this tv at lest 2 years,and u used the tv alots?The first thing u require to do is to change the projection bulb.See what happen,than go from there.

Apr 24, 2010 | Akai PT5598HD 55" Rear Projection...

1 Answer

Replaced the DLP bulb and the picture only worked for ten minutes


Hi,again,Thanks for the blessings.One quick way that works for most sets its to unplug the set wait 5 min and plug it back again.Here's instructions to replace the ballast: http://guides.fixyourdlp.com/samsung/bp47-00033a.php Found ballast here: http://www.discount-merchant.com/SAMSUNG-9137-008-08905-Lamp-Ballast-Driver-p/1139281.htm?Click=48173 Pay attention to other sounds like buzzing or whirling because it could also be the color wheel.God bless you and your house! Let me know if you need further help. r2d2repair@gmail.com

Nov 18, 2009 | Samsung HLP4663W 46" Rear Projection HDTV

1 Answer

Tv keeps turning off


Almost certainly the lamp. You should be able to take the lamp out and get a part # off of it. They are easily obtained and easily replaced.

Mar 30, 2009 | Zenith Z44SZ80 Television

2 Answers

Z44SZ80/Z52SZ80 | DLP PROJECTION service codes


1. Press and hold the MENU button on the TV.
2. Press and hold the MENU button on the REMOTE
(Hold both until the service menu pops up)
3. Press and hold the ENTER button on the TV
4. Press and hold the MUTE button on the REMOTE
(Hold both until the LAMP LIFE HOURS appears on the screen)
5. To reset the lamp counter and turn off the orange light press select on the REMOTE.
6. Press Select again to con firm the operation.

Jul 09, 2008 | Zenith E44W46LCD 44" Rear Projection...

4 Answers

No pic


alright guys...blew a bulb....fixed that. still didint work...found out it was ballast...replaced that. tv worked for a month..all the sudden hdmi input didint work id plug in my playstation and screen would turn green and say "hdmi color has been corrupted" im thinking wtf? so a week later it works fine then just turns off in middle of watching espn... comes back on an hour later...only to turn off again...it just turns black for ten seconds then just turns off and the red and green lights blink at intervals of one second....replaced a bulb..not that, same problems.......when the tv comes on for the ten minutes before it quits working the pic and sound are great i just dnt get it...is it shorting out? color wheel bad? a fan?

May 24, 2008 | Toshiba 52HM95 52" HDTV Projection...

1 Answer

60IN ZENITH LCD


I would look to see it this set has a bulb, common problem when set's won't turn on on rear projection lcd.
How old is the set, most bulb should last 2000 hrs, depending how often you have turn the set on and off. Most set's dont' have this problem they have slow turn on bulb, I love panasonic I feel there one of the top brands and have excelent picture.
But keep in mind new technology has there problem, more gagit more problem just like vehicule, and panasonic ten to push this to the max. Panasonic also then not to help when ask question , they just don't want to help technician.
Most tv's this day's has a life expentasy of about 7 years, the best one's would last over 12 years and the cheaper brand I keep seeing or made in china, lucky if you get 2 years.

Regards

bob

Jan 19, 2008 | Panasonic PT-56WX53 53" Rear Projection...

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