Chosen Solution
It blinks three times i think its a standby isseus
@piranhas the 3 blinks from the yellow light refer to the SEINE booting. There are issues with your digital board. You would have to start by measuring the voltages going to the digital board. Check the voltages on connector CN90. It may help if you post some good pictures of your boards with your question so that we can see what you see. Use this guide Adding images to an existing question for that Update (09/23/2018) It’s the digital board part number Toshiba 75004945.
I would still suggest that you at least take a look at it and measure the voltages etc., to see if it even receives those. yo also want to make sure that when your changed your Lamp that you connected everything properly and check the microswitches on the door of the lamp as well