Question about Toshiba 56HM66 56" Projection HDTV

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Toshiba 56hm66 having problem with tv i have audio but no picture, tv turns on and off blue light is on yellow light blinks about 15 times then tv turns off, i check that bulb seems to be good

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Posted on Jan 02, 2017

ladywinn
  • 5138 Answers

SOURCE: wont turn on

Replace both of your STK ics 392-560s or 570s they maybe 392-110s if so use 392-180s call electronixs for parts 1-800-223-3205

Posted on Dec 12, 2008

  • 259 Answers

SOURCE: Toshiba 56HM66. Picture freezes, then picture goes

this is a digital board problem. Part# 75004946.
has to be data transferred from dmd board. options menu in service mode. scroll down to dmd>digital transfer. press left arrow on remote to initiate. when says ok exit on remote an shut off................. Meder's Tv

Posted on Jun 11, 2010

canshesingye
  • 1 Answer

SOURCE: tv wont boot up

just called Toshiba about this. After the TV attempted to boot up several times.. the blue light, power light, came on. But the yellow light, lamp light, gave it 8 tries (just like the manual says it will) then the blue light goes out, and the yellow light (lamp light) comes back on with a red blinking light (red light is the fan light)
So mine was the fan gone bad! :(
So if you have a red light it's the fan, if it is the yellow light, its the lamp, and sometimes it may be both. If not, its the data board, which you can replace and reload too. So it's all fixable.
Try unplugging the TV wait about 2 hours. Then plug it up and turn it on. If it still does not boot up its one of the parts listed above. Thanks

Posted on May 06, 2012

SD Tech
  • 14553 Answers

SOURCE: toshiba 56hm66 tv. yellow led light blinking. blue &red led is off. The tv is nor power on.

first place to look is the lamp this set uses, does it come on at all?

Posted on Sep 02, 2012

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1 Answer

Toshiba 56hm66, lamp replaced but lights still blink


Check the circuit boards to see if any have failed. They are small cylindrical objects. If the tops of any of these are bulged instead of flat then they are bad and board will have to be replaced. Hope this helps.

Jan 03, 2014 | Televison & Video

1 Answer

Blue light remains lit but lose picture. no other indicator lights flash. if i unplug the tv it will restart but lose picture again after half hour


I have a toshiba 50hm67 tv and with mine the blue light would come on and I would hear sound first and then the picture would finally come on... this happend for about a month.... next the yellow and blue light would come on but the pic still wouldn't come on until it clicked off and on by itself for about 10 min this went on for about a week. All of a sudden last night the red lights by the power light started blinking. No tv now and when the tv shut off it said lamp not working.

Sep 17, 2010 | Toshiba 56HM66 56" Projection HDTV

1 Answer

Toshiba 56HM66. Picture freezes, then picture goes out. The blue light stays on and the yellow light blinks 15 times, 15 times, 15 times and then the picture comes back. The voice never goes out. This...


this is a digital board problem. Part# 75004946.
has to be data transferred from dmd board. options menu in service mode. scroll down to dmd>digital transfer. press left arrow on remote to initiate. when says ok exit on remote an shut off................. Meder's Tv

May 01, 2010 | Toshiba 56HM66 56" Projection HDTV

1 Answer

56HM66 Freezes and then cycles on and off.


i have same problem ?Could you tell me if you figured the problem out? solved it thansk

Sep 30, 2009 | Toshiba 56HM66 56" Projection HDTV

1 Answer

Seems like only on HD inputs


U must have HD subscription to get HD channels.If u do ur HMDI have a sort or not leave it to factory setting it work ok right?

Aug 24, 2009 | Toshiba 56HM66 56" Projection HDTV

3 Answers

Toshiba 56hm66 yellow light blinks 15 times


unfortunately I don't have any solutions for you. I have just started to have the same problem and have only replaced the lamp. i was going to move on to the ballast but wouldn't want to if it going to be a waste of time. Did you ever find any way to resolve the prolem?

Jul 09, 2009 | Toshiba 56HM66 56" Projection HDTV

1 Answer

Toshiba 56hm66 New lamp worked last night, wont boot up again


You now have a defective lamp ballast board. It sometimes is the root cause of lamp failures in these sets. The problem here is that Toshiba does not sell the ballast board independently from the larger, more expensive light engine assy. Call Best Buy back and get a servicer out there. He may have to take the ballast board out of your TV and send it out for rebuilding.

michtech

Feb 12, 2009 | Toshiba 56HM66 56" Projection HDTV

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