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i guess is shorted board?
I guess not the charger, board has the 19volts on it. It is posible RTC cmos battery affect it? Theres a 0.20volts detected on the battery pins is it normal?
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Not necessarily.
Have you tried using a different, known working, compatible charger to see if the laptop shows that it is charging, in case the charger is faulty?
If if still doesn't charge with a different charger, it could be a faulty power connector cable in the laptop
To check this out here's the maintenance and service guide for the laptop. Go to p.59 (67 of 110 pdf) in the manual, to view the procedure to remove the cable.
This will give you access to the cable plug so that you can check the cable is OK to see if there's 19.5V DC when using a DMM (digital multimeter) to measure between the red and black wires on the plug at the end of the cable, when the charger is connected to the laptop's charge port.
If there's isn't any voltage then the cable is faulty and will need to be replaced as it cannot be repaired. Search online for L01048-001 to find suppliers that suit you best. (supplier examples only).
If there is the correct voltage, then the schematics and boardview files for the motherboard would be needed to help find out what's wrong. Search online for DA0X8MMB6D0 Rev. D schematic to find suppliers that suit you best.
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A depleted cmos battery shouldn't affect whether the laptop charges or not.
It may affect if the laptop turns on and starts however.
If you decide to replace it, disconnect the main battery from the motherboard and then with the cmos battery also disconnected, press and hod the laptop's power button operated for 30 seconds and then release it, before reconnecting the new cmos battery and the main battery.
This will drain any residual power from the motherboard and reset the BIOS back to it's factory default state, which will fix any corrupted BIOS firmware, if there was any before
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