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hi,
Did you rest the lamp hour after replacing the lamp. It is recommended the you have to reset the lamp hour after replacing the lamp. For resetting the lamp hour do the following.
1. Power ON the projector
2. Press the Menu button
3. Select OPTIONS
4. In OPTION menu select Lamp Reset and press the enter button.
(If the lamp hour counter is at the heights level then the projector will turn OFF after some time.)
ok
Its the ballast. I don't know your skill level so I can't say wether you can or not. It may no longer be available. As of 3 month ago the light engines needed to be removed and sent to Toshiba to be rebuilt. The ballast is on the light engine assy behind the lamp.
Have you actually replaced the lamp first? A weakened lamp will often cause random shutdown or troubles during initial firing of the lamp. The LG televisions will be just the bulb itself not the complete lamp assembly. It's not hard to replace the bulb as long as you first allow the TV to cool down for a minimum of an hour. Then you will want to handle the lamp with latex gloves on to avoid getting oils from your skin on the bulb. You can find your bulb replacement at http://www.partstore.com
It is possible the lamps may be defective or that they may be the wrong replacement for this model, as it may have a different wattage setup with the ballast. If you want to try to order the TB25 lamp from a different vendor, you can order the original Toshiba replacement lamp for this model (52HM84) from a major Toshiba parts distributor at the link below:
They exact way the lights blink are telling you what the failure is. If the tv is firing the lamp and the lamp is bad, you will hear a buzz sound for about 1 second. The tv tries 8 times before it gives up and spits out the lamp error. Check the user manual for led diagnostics. If you put in a new lamp but still have issues, you've likely got a bad ballast (most common on this model) or colorwheel (less common). Both are part of the optical block (light engine) and I don't believe they're available as individual components from toshiba.
This is 2000 Hours, 160 Watts, UHP lamp. dont keep it on always.Check the usage and then replace the lamp. It's better to turn off the projector after each class.
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