T470P - DT473 NM-B071 schematics?

[CornholioGSM]

Hello
I have here two T470p - both are dead - after connect charger i can swich it on - Green light on button + keyboard backlight starts, but after one second it switches off

schematics needed

[Rezistor]

Re: T470P - DT473 NM-B071 schematics?

Hello
I have here two T470p - both are dead - after connect charger i can swich it on - Green light on button + keyboard backlight starts, but after one second it switches off

schematics needed

Lenovo ThinkPad T470P LCFC NM-B071
schematic + boardview

[CornholioGSM]

Re: T470P - DT473 NM-B071 schematics?

Lenovo ThinkPad T470P LCFC NM-B071
schematic + boardview

wau...thank you

[el_Bomber]

Re: T470P - DT473 NM-B071 schematics?

Thank you too!

Have the old “runs with battery, but don't load and accept power supply”
Hope it will help to find hardware reasons, before reflash the bios by hardware...

[bykanovm]

Re: T470P - DT473 NM-B071 schematics?

I have the same problem. The laptop works on battery power, but the power supply is not detected. When you connect the power supply, it turns on for a few seconds and immediately turns off. I noticed that on the 3.3 volt line the voltage is only 2.4 volts. I've looked all over the board, but I still can't find the problem.

[SMDFlea]

Re: T470P - DT473 NM-B071 schematics?

I have the same problem. The laptop works on battery power, but the power supply is not detected. When you connect the power supply, it turns on for a few seconds and immediately turns off. I noticed that on the 3.3 volt line the voltage is only 2.4 volts. I've looked all over the board, but I still can't find the problem.

This is the schematic requests sub forum. If you want troubleshooting help start a new thread ---> https://www.badcaps.net/forum/newthr...newthread&f=23

.

[duongdemui]

Re: T470P - DT473 NM-B071 schematics?

Lenovo ThinkPad T470P LCFC NM-B071
schematic + boardview

That's awesome, thanks a lot

[diabolika]

Thanks.