Just replace my lamp with a new one, when i start my projector, everything seems to work fine but the lamp doesn't light up. the lamp light flashes green for 30 second, theres a ''motor'' sound in the same time but then nothing happens and the lamp light goes red. i there something i can do to test the lamp?

Sorry I don't really have an answer I had the same issue with a Sanyo I had to keep putting back the old lamp and getting it to start on that one then shut down and swap, eventually it worked, it was a pain. in the end I bought an led projector for the price of a new lamp for the old one

That is a problem with the lamp. Replace it with a known good one.

It seems you assume that it is not an overheating problem.
The problem is, the bulb gets really, really hot when using the projector. It doesn't matter whether it has been there without any usage. As you switch it on, it will start to get hot.
But the lamp or other parts of the projector should not get too hot. To control the temperature, air is moved through the projector with the help of fans. Air enters through air filters and move through the projector absorbing heat from hot parts. This prevents these parts from getting overheated.
But what if air doesn't flow freely? Then the parts CAN get overheated.
First, switch on the projector and check whether you can hear the fans working.
Next, switch off the projector and remove power cable.
After about 30 minutes, remove the cover and check whether the air filters are blocked. If they are, clean them with a small brush.
This would probably solve your problem.

could b ballast or powercsupply board

I have the same problem. It seems we have to reset the counter. This reset must be done via the beamer itself and not via remote control, since lamp is not working...

if it's under 1 year old, it's still under warranty, so send it in and get it fixed for free.

Reseat the lamp.  I had a similar problem.  Replaced the lamp and everything worked for about 3 hours.  Then, turned the projector off.  Next morning, when I turned it on, nothing.  Stanby/On light flashed green for a minute then the lamp light came on and the projector went into standby.

Hi - You can download the manual by clicking the link underlined in blue below:

pj-tx300
See page 53:



You need to reset the lamp & filter timers.

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Informatica

Hello,

1. Pls check and inspect the Lamp unit.

2. If Lamp unit is okay, Then the Problem is with
either with Ballast unit or the DMD Module.

Regards

Viren

Hi there

Check if your blowerfan that cools the lamp - sits in front of Projector is running.