Hello,
I have NEC VT670 projector that i need help to figure out how to bypass the bulb checking circuit, please check the attached images. let me know if you have questions.

 

Can't see the bulb??? What voltage is across the bulb, you need a very bright led to give the wattage required.

 

Hi Dodgydave,
I just only need to bypass the bulb controller, i can fix very bright led with its own power. see the attached image.

 

Hi,
I found more information regarding the bulb controller (TDK MSE395/ 3N100612, its used for all the models VT 680 /675/ 470/ 670/ 675/ 676 )

Output Type: Dual
Output Power: 301 - 400W
is_customized: yes
Brand Name: VT675
Output Current: 1.8AOutput
Voltage: DC12v
Model Number: 3N100612
Output Frequency: 50HZ-60HZ
Input Voltage: 110V-220V

I was looking for service manual but no luck.

 

So 12V @ 1.8A is 22W max, looks like its just a smps provides the 12V dc, with two sets of output....so what's the other output for?

And what are you trying to achieve, just replacing the lamp with a high powered led, or replace the psu?

 

I need to bypass the lamp with its psu.

 

So what's the problem then, remove the psu or use it to power the led with the desired voltage....

 

Hi Dodgydave,
sorry for late answer, there is an plug with 15 port. i need to check what used for if i need to bypass the psu.