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How to knowif it is the lampor ballast

TV shuts down and the two green and stand-by lights flash

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The lamp almost always has to be replaced unless it is shattered or shows damage inside---it can look perfect and be bad.

Give me a brand and model if you can.

Posted on Dec 06, 2012

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Posted on Jan 02, 2017

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SOURCE: Green flashes then tv turns off

OMG! My TV has been sitting in a closet for the last three years because I couldn't afford to have it fixed.  I have googled now and then trying to find a cure for its green affliction but never found the right advice until tonight. I can't thank J19666566666 enough!!  I just followed the instructions and presto!  Working TV again! And just in time for the Oscars (which is like the Super Bowl for me).  
The editor in me tweaked the instructions a little...
Its is real easy to fix. There are 2 screws holding the front speaker cover on near the bottom corners (there are plastic plugs covering the screws that need to come out first). Unscrew and remove the speaker cover (pull it out from the bottom a little then sort of down and out to get it loose but be careful because there are wires attached). Next remove the 4 screws holding the particle board panel in place. There will be a cluster of 6 adjustment nobs with a drop of white paint on each one (2 rows of 3 - do not touch the top row). The green is controlled by the bottom middle screw, Using a screwdriver turn it counter clockwise (to the left) ever so slightly (1-3mm) and there you have your TV back. Use the bottom right screw to adjust the red and bottom left screw for blue. 
Thanks again so much!

Posted on Feb 23, 2009

  • 147 Answers

SOURCE: TV won't stay on. Green & Red light timer-lamp (Green) stand by/temp (red) flash.

Most likely needs a new lamp. Easily done yourself.

Posted on Apr 15, 2009

  • 1 Answer

SOURCE: MY TV POWERS ON WITH A GREEN FLASHING LIGHT AND

I had this same problem, i took my tv in to a local repair shop and the guy there told me it was due to the fact the sensors that tell the tv the lamp is in place where bad. He repaired the wires going to it for about 65 bucks.

Posted on Aug 09, 2009

  • 1 Answer

SOURCE: Green flashes then tv turns off

Hi I have a Sony KP-57hw40. It will work for few minutes and turns green and shutoff .It has some green lines from end to end.

Posted on Dec 06, 2009

axeist
  • 1 Answer

SOURCE: 52HM84 Toshiba DLP with apparent failed lamp (replaced ballast)

I found R3 on the original board to be open, along with reading an open on CR1, D5 and D6. All the other transistors and the transformer check out. The only thing I have to do now is find out the specs of the diodes. The replacement board also had CR1, D5 and D6 open (R3 was OK). There had been some threads on various locations where remanufactured boards had bad components (the transistors were changed but not some of the other components).

Posted on Jan 18, 2010

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DLP 65 in. wont turn on. Lights flash . Red light first followed by 9 green lights flashing-then shuts off.Repeats this pattern.My lamp is foggy but not blown. Is it the lamp? Lamp is 1 yr old.


While i don't recall that particular pro lemme alot of Toshiba sets had an issue with the ballast boars. Basically over time the solder connection s get hot and cool so much that the joints Crack and breal. The ballast board may need to be resoldered. If you choose to try this yourself...be advised there are very high voltages inside a tv that can seriously hurt or kill you.

Jul 07, 2016 | Toshiba Televison & Video

1 Answer

Lamp never fires Unit goes right to cool/shutdown.


The ballast might have gone bad, you'll need to check the output voltage of it. In some projectors, the power supply/ballast are combined as one PCB instead of 2 separate boards.

Jul 24, 2015 | Office Equipment & Supplies

1 Answer

62hmx95, blinking light, powers on then off


Examine in order the lamp, the ballast, the fans.

Apr 29, 2012 | Toshiba 62HMX95 62" HDTV

1 Answer

Samsung model hlt4675sx\xaa projection tv wont work. the stand by/temp light flashes red and the lamp light flashes green? it makes the sound that it makes when it turns on but no picture. we looked at the...


It could be the temp sensor going bad. This sensor sits on top of the metal housing which the bulb assembly slides into. The bulb assembly will have a hole on top and this is where the sensor is above. There is a small blue and white wire that plugs into it. If you pull the wire out and put a paper clip or wire in the coupling you will basically bypass the sensor connecting the blue and white wire. If your tv turns on then that is your problem. Its cheap too. Here were my symptoms..1] Turn tv on 2] Bulb would light up..(which eliminates the ballast) regular picture would show up (which eliminates the bulb and color wheel) 3] 30 seconds later tv would shut down with 3 flashing lights. After bypass the tv turned on as always and hasnt shut down yet. Always un plug tv first. Get the replacement part to avoid overheating and possible fire

Jul 31, 2011 | Samsung DLP HL-P5663W 56" TV

1 Answer

Misubishi wd-52631 DLP TV, it shuts off suddeny. when turn it on again, the green power light is flashing, then steady green, then shut off again. the lamp light is NOT falshing or red. the status light...


Hi, have you replaced the lamp after 2-3 yrs of usage? The lamps used by mitsubishi tend to last around 4000 hrs 1-3 yrs.It is common for the green light to light up.Other common failures are the ballast which is the board that powers the lamp.Also check if its not overheatin, dust out the fans.Heres where u can get the lamp or ballast http://www.discount-merchant.com/SearchResults.asp?Search=wd-52631

Apr 19, 2011 | Mitsubishi WD-52631 52" Projection HDTV

1 Answer

TV (wd-82738) shuts down unexpectedly and fast flashing green light comes on This occurs about once a week.


The tv flashing green light is on it have a word"LAMP"writing on the tv frame?Yes,than the tv projection lamp life it is ending.Tv unexpectedly shutdown the tv also have clicking noises sound too?That the board call the Ballast board is dying too,this board only job are only to ignite the projection lamp only.Tries websites like Partstore.com,Ebay.com to buy a new projection lamp and might have also have to replaced the Ballast board too.

Apr 13, 2011 | Mitsubishi WD-82738 DLP TV

1 Answer

Panasonic PTL500 LCD HIDEF projector - Unit occasionally powered up briefly, lamp lit, then shut down, standby LED flashed orange/red. Sometimes lamp lit and sometimes not. Technician diagnosed bad ballast...


The bulb is a discharge type - it needs a very high tension to work. The role of the ballast board is to convert the low voltage DC current coming from the power source in a high tension DC current for the bulb. Unfortunately you were truly unlucky : when the ballast board died it sent a high tension surge thru the power source and from there at the other components on the mainboard - the processor couldn't handle it and got fried. So now when you try to start the projector this is what happens: the power source starts normally - the status light goes to green as it should; it functions normally so it powers the ballast board and the rest of the mainboard - the ballast works so the bulb lights up; the mainboard on the other hand remains dead because the processor is dead so no sustain signal is sent to the power source; without the sustain signal the power source goes, as it should , in an very normal stand-by - the status light goes to red.
The entire mainboard will have to be replaced - you can't replace just the processor, it's glued in there. This is going to be expensive so ask a quote before doing it.

Dec 23, 2010 | Televison & Video

2 Answers

New lamp turns on flashes 7 times


Just a thought...you *might* have a bad ballast in addition to that defective power supply.That flashing could be the ballast trying to ignite the lamp. A lamp is just like an enclosed welder's arc. The ballast generates a high-voltage spark to initially start the lamp, then low voltage with high current keeps it burning. If you look into the lens and see "lightning" flashes but no lamp ignition, that's what's happening. The ballast could've been damaged by the defective supply. Also, try a known-good lamp...just to rule out a defective new one--in the shop, we kept all old working lamps as testers.

Aug 30, 2009 | Sony XL-2100U Projector Lamp for...

2 Answers

I turn tv on...green light comes on but i get no picture or audio....then light indicator blinks red


Hello!
Lamp or ballast(if lamp has been replaced) is bad.
Explanation: green comes on: system works, waiting for light to shine into light engine: no light is coming out of lamp, system shuts down, then you see red! how to determine: pull the lamp out of the unit's compartment. Inspect lamp: bloated stem? shuttered? reflector is not shiny? Chuck it!
Lamp looks good or just been replaced: try ballast. Close lamp compartment without lamp itself. Make sure, door is shut, as well. Turn unit on and listen close to lamp compartment: good ballast will make a buzzing noise, then stop. You've got "red'! No buzzing: ballast quit. Needs major repair! Lamp must be good, for sure, to get to the last part of diagnostics. Conclusion: more, than 2000 hours of usage: replace lamp first!
Good luck,
Alex.

Jul 29, 2009 | Panasonic PT-D5600U DLP Projector

1 Answer

A few green flashes and the TV shuts down, blinking stand by light.


If you get rid of your TV I will buy your blue Tube Mike Audiomonkey@comcast.net

Mar 22, 2008 | Sony KP-65WV700 65" Rear Projection HDTV

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