Hi Genaro,
Blue led light lit solid and yellow led light flashes is an initial attempt of the set to re-light the lamp.Red led flashes and yellow led light solid means that the lamp won't light up that's why it only has sound without the picture.
Since you've replaced the lamp twice and still the symptoms persist, I suspected that the fault came from the ballast board and not on the lamp itself. If the ballast board gone to malfunction, there's no high voltage will produce to light up the lamp and will sensed by the processor and trigger the error code (Flashes/solid led light with color code).
To verify whether the ballast board is faulty or not, check if the lamp will lit by looking through the lamp door louvers at the rear of the cabinet upon turning on the set.
Please let me know what you will find to assist you further.
Jdvillanueva
Powered up tv. I do not see any lights from lamp door louvers.
Last thing to check is the voltage supply from the power supply board through connector P807, this is a 120V supply to the ballast board, this connector is located on top of the power cord's connector on the power supply board. If you're getting 120V then you have to replaced the ballast board. I've been searching online for this board but I can't find one, I would advice you to contact your nearest Toshiba Service center to obtain the board. I you have any question, email me at [email protected] because after 3 comments, the succeeding comments can't be open up here...
Hello, I'm having the exact same issue with my Toshiba and I would like to know if changing the ballast worked. I'm considering ordering the ballast but I want to be sure that I'm not buying a part for nothing.
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