Question about Toshiba 26LV47 26 in. LCD TV/DVD Combo

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Doesn't power on - Amber LED Blinking

This set will no longer turn on. When plugged in the amber light (disc) blinks 3 times, pauses, blinks 3 times again and so on. Powering on with remote or power button does not make a difference. Owners manual says call Toshiba for service and the service manual says its a "blink" code indicating the TV is rebooting.

My first guess is the power supply. I would simply replace it however it has been on factory backorder sinch March. So now I would like to try to troubleshoot the problem.Any ideas on where to start? Thanks!

Posted by on

  • janrick Jun 12, 2008

    have unplugged the set and replugged it

    still won't come on

    checked to see the controller was in tv setting

    still won't come on

    put in a CD now won't release it

    Help - I just want my tv working. We have had it less than 6 months.

    it is hooked to a cable box was watching; went to change channels and must have hit a wrong button -screen went black.

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Here's how I fixed mine...

Look inside the back of the TV just above the power cord - there are two small LEDs, one green and one yellow (no need to open the case - you can see them through the cooling slots). In my case, the green LED would light for a few moments after plugging the TV in, then the yellow one would light and stay lit.

Go to the Toshiba site and download the latest firmware upgrade.

Copy the firmward upgrade to a SD memory card using your PC (SDHC cards larger than 2GB don't appear to be supported by the TV, so use a smaller one). I copied *both* the zip file as downloaded from Toshiba, and the contents of the zip file. That is, I expanded the zip file and copied the contents to the SD card as well.

There's a metal cover over the SD card slot on the back of the TV. Remove it (a single screw)...at one point, Toshiba has directions on the firmware download web site.

Unplug the TV and insert the SD card. Plug in the TV again, and in my case, those little LEDs stayed green. I saw none of the instructions on the TV screen - rather I just let it sit for about 10 minutes, then I unplugged the TV, removed the SD card, and plugged the TV in again. Viola - the TV works.

I'm thinking perhaps Toshiba uses a type of memory that requires battery backup, and if the TV is unplugged for an extended period of time, it's necessary to re-flash it.

Posted on Jun 21, 2009

  • Jason Rolph
    Jason Rolph May 31, 2012

    I had the same problem with mine and I did the same thing that You described (flashing the firmware) and it works fine now. hard to believe it was something so simple :-)

  • Jason Rolph
    Jason Rolph May 31, 2012

    I had the same problem with mine and I did the same thing that You described (flashing the firmware) and it works fine now. I couldn't believe it was something so simple :-) definately happy about it though.

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You could start by removing the assembly from the chassis and do a visual inspection first to check for leaky or bulge capacitors. If you have a capacitance meter even better. Check the capacitors that filter the 5VDC. If the capacitors test or look good, next step should be to measure the rectifiers and zener diodes for shorted, leaky or open conditions.
Let me know if you need further assistance.

Posted on Jun 04, 2008

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