Question about Toshiba 62HMX84 62" Rear Projection HDTV

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Replacing lamp ballust

I'm thinking of attempting to replace the ballust on my Toshiba 62hmx84. I've replaced the lamp but I'm still not geting a picture. From what I'm finding out the next thing to go to is the ballust. I've been quoted $300.00 to replace from a repairman, but the part is only $48.00 at partstore.com. So I'm think of replacing it myself. I've never worked on a TV before, but I have fair to mediocre mechanic skills. Is this something I should try or should I go with the repairman?

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  • Master
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You should definately go with the repairman - You have now replaced the lamp, if you replace the ballast and that doesn't cure the problem you'll be that much more into the do-it-yourself repair and still you'll end-up calling out the tech.. Besides that who makes good on the warranty if you don't get the polarity correct and short something really expensive like the light engine?? Don't get me wrong I'm a real fan of trying to save people money - just look-up my history of solutions... However, ballast replacement in this unit is not as fundamental as you might think.
Bill

Posted on Dec 09, 2007

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SOURCE: lamp ballust

The $300.00 is a more than fair price... Some shops charge as much as $450.00 and you don't want the junk parts that partstore.com sells. Probably wouldn't last ten minutes in your unit... Use genuine Toshiba authorized parts and you'll be much happier with the results.. The ballast is Toshiba p/n# 23122468 and costs about that much plus shipping from a reputable parts distributor - but the quality is assured. Secondly, if the ballast isn't all of the problem and you blow a new ballast the tech can have it exchanged without cost - you do it you'll just have to buy another one... And finally, the shop has more equipment to work on that unit that I'm fairly sure you don't have like a variac. After installing the ballast it's a very smart idea to power the unit for the first time on the variac at a lower voltage and monitor the ac line. If anything goes wrong the tech can simply chop the power or drop lower to avoid damaging the light engine or something more critical or expensive.
I've spend twenty years in electronic repair as a licensed shop and it's my STRONG recommendation that you have the shop do this one.
Bill

Posted on Dec 12, 2007

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I heard a pop on the Toshiba rear projection TV (model #62hmx84) and immediately lost the picture


Sir the problem of your unit is the lamp try to replace it it is much better to use a gloves and wash your hand after replacing the lamp because this lamp contains mercury. follow this steps.
1. Unplug the unit to main ac outlet. Remove the bulb housing cover from the back of the TV. Using a screwdriver, carefully remove the cover to reveal the old bulb. Using a cloth, remove the bulb from the TV by first unplugging it from the wiring harness. Carefully rock the harness back and forth until it comes free from the bulb. Push in the bulb slightly and turn it a quarter-turn to remove it from the bulb housing.
2. Install the new bulb. Do not touch the new bulb with your fingers, as any grease or fingerprint from your hands will damage the tiny mirrors in the bulb. Instead, carefully handle the bulb using the cloth. Insert it into the bulb housing and secure the door. Test the unit. Plug in and turn on your Toshiba TV and make sure that the new bulb is installed properly and that the image looks crisp.

3.
Reset the lamp time counter. Each Toshiba TV comes with a lamp hour meter stored in its software. If you do not reset the lamp timer, the unit may stop operating when it gets to a certain time (refer to your manual because each Toshiba TV is slightly different). To reset your Toshiba lamp timer, turn off the TV, wait 10 seconds, hold down the "on," "menu" and "input" buttons on the remote at the same time, and turn the power back on. A yellow light should appear in the bottom corner of the TV indicating that the lamp timer has been reset.
Hope this help good day and best regards.


Sep 23, 2011 | Toshiba 62HMX84 62" Rear Projection HDTV

2 Answers

Just replaced the lamp on my Toshiba 62HMX84. Picture still is not coming on I have sound. When you turn on the TV you hear a clicking sound that goes away and then the TV try's to restart itself Thinking...


I have a 62HM84 Toshiba TV. I lost picture on my TV in the past i have bought the lamps and i just put it on and the picture comes on. This time when i replaced the lamp nothing happens no picture. It tries 8 times to turn on, but nothing happens. Can you help me with is what is the problem.

Dec 15, 2009 | Toshiba 62HMX84 62" Rear Projection HDTV

1 Answer

Picture loss after picture begins to flash. blue and yellow light


Most likely the lamp is dying. Try replacing the lamp before calling a repair tech. What does the Owners manual say about the blink lights?

Oct 01, 2009 | Toshiba 62HMX84 62" Rear Projection HDTV

1 Answer

TV turns on and off.


It is possible that the ballust assembly is causing the lamp to fail. You likely need to replaced the ballust with a new lamp because if the ballust is bad it has likely already damaged the lamp. If you have been handling the glass of the new lamps with your bare hands this could be the cause of the short lif as the oil from your hands will cause premature failure of the lamp.

I’m happy to help further over the phone at https://www.6ya.com/expert/dewayne_4a10eab6caecdb92

Apr 27, 2008 | Sony Grand WEGA KF42WE610 42" Rear...

1 Answer

Lamp ballust


The $300.00 is a more than fair price... Some shops charge as much as $450.00 and you don't want the junk parts that partstore.com sells. Probably wouldn't last ten minutes in your unit... Use genuine Toshiba authorized parts and you'll be much happier with the results.. The ballast is Toshiba p/n# 23122468 and costs about that much plus shipping from a reputable parts distributor - but the quality is assured. Secondly, if the ballast isn't all of the problem and you blow a new ballast the tech can have it exchanged without cost - you do it you'll just have to buy another one... And finally, the shop has more equipment to work on that unit that I'm fairly sure you don't have like a variac. After installing the ballast it's a very smart idea to power the unit for the first time on the variac at a lower voltage and monitor the ac line. If anything goes wrong the tech can simply chop the power or drop lower to avoid damaging the light engine or something more critical or expensive.
I've spend twenty years in electronic repair as a licensed shop and it's my STRONG recommendation that you have the shop do this one.
Bill

Dec 09, 2007 | Toshiba 62HMX84 62" Rear Projection HDTV

3 Answers

Not the lamp!


If the lamp did not cure your problem you have a defective optical block. This includes the ballust for the lamp. On Toshiba sets the the ballust comes with the optical block and connot be purchased seperately. Prices vary acroos the country and from shp to shop but you are likely going to spend about $800 to repair this.

I’m happy to help further over the phone at https://www.6ya.com/expert/dewayne_4a10eab6caecdb92

Dec 06, 2007 | Toshiba 62HMX84 62" Rear Projection HDTV

2 Answers

Lamp cooling fan


I'm not sure how difficult it is to change the cooling fan, but I saw the part on PartStore.com for only $13.

Oct 27, 2007 | Toshiba 62HMX84 62" Rear Projection HDTV

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