Question about Hitachi 50V720 Television

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Changed the lamp power won't come on

Model #50v720 lamp #ux21517 lamp light keeps blinking, do I have to reset somthing I made sure covers our on right

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I think you might be having a different issue, which seems to be the power supply board.

Posted on Feb 21, 2009

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With these TV there are issues with the solder crumbling on the boards, so best bet is to buy a new one im affraid

Posted on Feb 24, 2009

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Hitachi UltraVision Tv Keeps turning off. The lamp LED blinks. Both light engine and lamp are new.


How many times this standby/power light blinks at one time switch ON? Count it carefully. These blinks are fault indication, and known as blinking codes. From the number of blinks occur at one time switch ON; you can get an idea about the faulty circuit stage inside the TV. This will make repair easy. For more information, check the link http://electronicshelponline.blogspot.com/
google.com/+GopakumarGopalan

Nov 13, 2013 | Hitachi 50V720 Television

1 Answer

I have replaced my lamp in my Hitachi 50V720 and the lamp light keeps flashing.


Make sure that the lamp door cover is properly seat-in. It has a safety switch that will engage to the lamp door cover. If the lamp door cover is not properly seat-in this switch will be on open position that will trigger the symptoms.

Oct 08, 2011 | Hitachi 50V720 Television

1 Answer

I put a new lamp in my hitachi 50v720 tv. The light keeps blinking and the power will not come on


If it was blinking like it was, it's probably either a bad lamp or a faulty install. Try re-installing the housing of the lamp in the T.V. if you're sure you didn't over tighten or under tighten the screws on the lamp. These are all simple things to check before you send back the potentially bad lamp.

Jun 17, 2011 | Hitachi 50V720 Television

1 Answer

Replaced the lamp on a hitachi 50V720, single lamp bulb is flashing red...how do you reset the new bulb?


Hi,no reset, Just make sure the Box (Lamp Enclosure) is pushed in firmly on both sides, left and right. Left side to hit the power connection and Right side to hit the little relay switch, Must be flush against that back side.
it happened to me and I was kicking myself in the ***, a entire weekend went by with a brand new lamp sitting in the enclosure but not completely set in correctly with a flashing red light.

Also get the outside lamp cover in just right where it touches the sensor and sits flush. That's what helped for me.

Good luck.

May 28, 2011 | Hitachi 50V720 Television

1 Answer

TV went off, and three lights come on (green "power", red "temp", and red "lamp")for just a second, in succession from left to right.


My television had two red lights flashing, one for Temp and the other for the lamp. I removed mythe lamp assembly and the bulb filament was burnt out. I order a new lamp and housing unit UX21517 and replaced it and now I have the red light flashing which is calling out the lamp again.

Oct 10, 2009 | Hitachi 50V720 Television

1 Answer

Changed lamp now I can't get power


There are safety interlocks on the door and lamp. Try reseating the lamp and carefully reseating the access door(s). If either is not exactly correct, the unit will not turn on. Check any of the access doors including in the area of the fan.

If it still fails, update this and I'll research your specific model. Please note that the blinking light is a code that should be listed in the owners manual. That code will tell you which interlock is not set so you know where to look.

Dan

Feb 21, 2009 | Hitachi 50V720 Television

1 Answer

Replaced lamp on Hitachi 50V720, still have flashing red light


Just make sure the Box (Lamp Enclosure) is pushed in firmly on both sides, left and right. Left side to hit the power connection and Right side to hit the little relay switch, Must be flush against that back side. It happened to me and I was kicking myself in the ***, a entire weekend went by with a brand new lamp sitting in the enclosure but not completely set in correctly with a flashing red light.

Feb 21, 2009 | Hitachi 50V720 Television

2 Answers

My hitachi 50v720 bulb blew and the replacement doesn't fit


I believe the lamp you need is the UX21516. not the 21517
I have a 50VF820 and this is the lamp for it.
By the way my unit just hit the 3 years and the lamp just blew as well.

Dec 14, 2008 | Hitachi 50V720 Television

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