When I turn it on inmediately it turns off by itself

see if the fan on cpu is working make sure that the cpu has cooling grease. if the heatsink not big enought it will shut down just like that ok

Inmediately LUBE the deck belt, this happen because the lack of maintenance schedule, see your instr. manual and follow the steps.
2) Lube the rollers bearing use the wd-40
see the video attached.
God bless you

by lack of maintenance LUBE schedule in your deck belt, the machine protect itself for electronic system. LUBE inmediately the deck belt, Maybe you have a WORN deck belt.
2) LUBE the rollerrs bearing too.
3) Test the input voltage motor, if there are the motor need repair.
4) Test the drive belt motor, and adjust it or repair or replace.
5) Test the output voltage board, for input voltage motor, if there are NOT voltage the board is faulty.
God bless you

try to RESTORE to some point that was working before.
if work pass the antivirus inmediately.
Maybe the toolbar installed
is malware! remove it
God bless you

Dear Sir:
This is bad adjustmente from speed sensor, clean, and tigh the connector very well, maybe can be faulty s. sensor.

By that reason RUN inmediately the software calibration for diagnose, troubleshooting, and fix it.

sincerely. God bless you

Can you rephrase your question in English?

Hi,

I think try to check the power supply of the projector and also check if its overheating.

Having received no response in over a month, I assume this is no longer a problem.

an ANSWER to this is toss that piece into the trash can, and upgrade to a good brand, alpine is not bad.