Question about Toshiba 65HX81 65" Rear Projection Television

2 Answers

Power wont turn on

The power light blinks on and off but the tv wont turn on
I have the same problem!

Posted by on

  • dkooz Feb 23, 2008

    I am a machine tool systems servicer, for a large jet engine company. I work on the mechanical side, but I do have some background in electronics. Thanks for asking....dkooz

  • dkooz Feb 23, 2008

    Model 65HX81, Cable plugged directly to the tv. The tv was on cable playing fine, when suddenly the picture went blank, and no sound. The power light started blinking. Tried to power off tv, both at tv, and with remote. When I did, the power light stayed on for 3 seconds, then went back to blinking. Unplugged tv for an hour. When I plugged it back in, the power light was blinking again....dkooz

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2 Answers

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  • 1,694 Answers

Open fuse caused by bad convergence IC's and / or bad solder connections.......
1) Pull chassis
2) Check micro fuses F850,851 etc.
3)Replace STK392-110 IC's
4) Solder jumper wires 008,010,017,048,600
5) Reassemble,Test

..............................................T.

Posted on Feb 23, 2008

  • Vista Electronics Feb 23, 2008

    Donster74,

    Please offer solutions in your field of expertise......T.

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  • Expert
  • 121 Answers

Do you happen to know what model it is? if it is connected to any other external devices, i would remove them and just connect to your cable box and see if it's the tv or not.. if it isn't, i'll need to know more info on your toshiba tv..

Posted on Feb 23, 2008

  • donna mcgill Feb 23, 2008

    are you using an hdmi cable or the regular red, yellow, white cable? sometimes you have to turn on the tv 2x if you are not getting video but you can hear it.. i have a samsung lcd and it's common to have delayed time or not even show picture bc how it has to convert over thru the hdmi cable.. hope this helps.. let me know if you have anymore ??'s.. thanks..d

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6 Suggested Answers

jomaru
  • 337 Answers

SOURCE: red power light keeps blinking and wont come on

The first thing to try is to unplug the unit from the wall for about 15 minutes,if this does not work you will need the assistance of a servicer to diagnose the problem,if you are familiar with tv service you can check the horizontal output transistor for a short,sometimes it fails for no reason and other times it goes bad along with the horizontal output transformer also know as flyback.Be careful if you decide to check this yourself.

Posted on Oct 02, 2006

SOURCE: power wont turn on

remote does not control on/off or tv after changing batteries

Posted on Dec 08, 2007

VOTIT
  • 2071 Answers

SOURCE: timer light blinks on and off and tv wont turn on

Resetting the TV
If the buttons on the remote AND the buttons on the TV case do not work (channels do not change and you cannot open or navigate the menu), the TV has stopped responding. Reset the TV as follows:

NOTE:
Some TVs have a reset button. If available and accessible, try using the reset buttons before using the steps below. Using the reset buttons can save time.
1. Unplug the TV power cord from the power outlet.
2. Unplug any connected devices (DVD, Set-top boxes, etc...)
3. Press and hold the TV power button for five seconds.
4. Plug the TV power cord back into the power outlet and turn on the TV.
5. Open the on-screen menu to confirm that the TV is responding again.
6. Turn off the TV and reconnect the devices.
7. Turn on the TV.
If ever resetting is no effect then the problem is in the "DM board"
The constant blinking green light means that the TV is not booting up. This is a common problem on this set. Hope it may help you; Regards, VOTIT

Posted on Sep 26, 2008

SD Tech
  • 14553 Answers

SOURCE: Power went out now the tv wont turn on, there is just a blinking

Does the power light just blink? Some of the Mitsubishi sets have a receiver built into them; if the power is removed the power light upon return of power should blink for 70 seconds and then go out--then the set should turn on---if the light never stops blinking---2 possible things--set should have a recessed button on the front keyboard(reset) that you can depress with something not sharp and see if after 70 seconds the light will stop blinking; if no, the set now has a damaged receiver(from the back of the set it is a large metal box on the far left side-----the blinking power light is the receiver trying to boot up like a computer---only should happen if power lost---let me know what you find----the receiver if bad is usually no longer available and can only be repaired by removing it and sending out for repair/rebuild.

I do this here for free so if this information helped you take a minute and give me a vote here......ALSO IF YOU HAVE ANY QUESTIONS OR NEED HELP REPLY TO THIS POSTING.


SD TECH

Posted on Sep 07, 2009

Slinteriors
  • 8617 Answers

SOURCE: my panasonic pt53wx53g tv wont turn on. the power light blinks 3

thats the error for the convergence failure. You can get the repair kit for your model at www.tvrepairworld.com the kit contains the parts and the CD with detailed instructions

Posted on Sep 11, 2009

hawk127311
  • 350 Answers

SOURCE: the tv wont turn on. the red light blinks 9 times.

There is a problem with one or two of the diodes on the G board.
Zero Crossing Detector 9 times 9:0 or 9:1
Probable cause • D6116 or D6301 is open (G Board)
symptom • No picture
I hope this helps and good luck!
2803f4c.png

Posted on Nov 11, 2009

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I found this on another website, most likely it is your power supply capacitors.
  1. Press the "reset" button and hold for 10 seconds .... Does TV turn on and blinking green light turn to solid green.

  2. Unplug the TV from it's power source for various times, ranging between 5 minutes and 24 hours..... Does blinking green light continue upon plugging in the TV.

  3. Disconnect ALL devices from the TV; DVD, Tuner, Cable Box, unplug the TV for various duration times .... Does blinking green light continues upon plugging in the TV.

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Diagnosis: If none of the above test resolve the issue, then the failure lies in one of the following:

  1. DM Module Capacitors have FAILED.
  2. DM Module is defective.
  3. EEPROM Board failure
  4. Power Supply failure.

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Power went out now the tv wont turn on, there is just a blinking


Does the power light just blink? Some of the Mitsubishi sets have a receiver built into them; if the power is removed the power light upon return of power should blink for 70 seconds and then go out--then the set should turn on---if the light never stops blinking---2 possible things--set should have a recessed button on the front keyboard(reset) that you can depress with something not sharp and see if after 70 seconds the light will stop blinking; if no, the set now has a damaged receiver(from the back of the set it is a large metal box on the far left side-----the blinking power light is the receiver trying to boot up like a computer---only should happen if power lost---let me know what you find----the receiver if bad is usually no longer available and can only be repaired by removing it and sending out for repair/rebuild.

I do this here for free so if this information helped you take a minute and give me a vote here......ALSO IF YOU HAVE ANY QUESTIONS OR NEED HELP REPLY TO THIS POSTING.


SD TECH

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