No display ACER DAZ8ADMB6D0 REV D

[kalilinux25]

Re: No display ACER DAZ8ADMB6D0 REV D

Ok before you do that

Let's confirm it again by different method

With DC supply this time check at pc16 voltage stable or drops, same previous method voltage 3.3v

with out the pu9 ic sir?

[stingerchamp]

Re: No display ACER DAZ8ADMB6D0 REV D

Yes at pc16 connected to pin 18

[kalilinux25]

Re: No display ACER DAZ8ADMB6D0 REV D

Yes

it gets 13 miiliamp the flactuate 17miliamp

[stingerchamp]

Re: No display ACER DAZ8ADMB6D0 REV D

Voltage not current on multimeter , check voltage at multimeter stable

[kalilinux25]

Re: No display ACER DAZ8ADMB6D0 REV D

Voltage not current on multimeter , check voltage at multimeter stable

voltage is stable sir

[stingerchamp]

Re: No display ACER DAZ8ADMB6D0 REV D

Ok confirmed pu9 need to be changed

[kalilinux25]

Re: No display ACER DAZ8ADMB6D0 REV D

Ok confirmed pu9 need to be changed

just a noob question sir how did we found out ?

[stingerchamp]

Re: No display ACER DAZ8ADMB6D0 REV D

Pc16 is attached to pu9 3vs5

This supply was dropping we detected

Two reasons

Either ic or any other components faulty


If voltage dropped at pc16 it means ic is ok even after we removed

If voltage stable now ic is removed so no connection with other components of ic so proved ic was faulty

[kalilinux25]

Re: No display ACER DAZ8ADMB6D0 REV D

Pc16 is attached to pu9 3vs5

This supply was dropping we detected

Two reasons

Either ic or any other components faulty


If voltage dropped at pc16 it means ic is ok even after we removed

If voltage stable now ic is removed so no connection with other components of ic so proved ic was faulty

great it help me a lot to understand more about this new ic sir thank you

[stingerchamp]

Re: No display ACER DAZ8ADMB6D0 REV D

great it help me a lot to understand more about this new ic sir thank you

Remember whenever 3v ic get faulty there is 60 percent chance of kbc also need to be replaced
Let's wait

[kalilinux25]

Re: No display ACER DAZ8ADMB6D0 REV D

Remember whenever 3v ic get faulty there is 60 percent chance of kbc also need to be replaced
Let's wait

that was also im thinking the kbc may be damage