laptop Medion Akoya MD 9764 does not work anymore

[SMDFlea]

Re: laptop Medion Akoya MD 9764 does not work anymore

do you get a picture on external vga/hdmi

[samtron123]

Re: laptop Medion Akoya MD 9764 does not work anymore

No

[samtron123]

Re: laptop Medion Akoya MD 9764 does not work anymore

I have no electricity at 3 coil
1R0
R68
1R0

[SMDFlea]

Re: laptop Medion Akoya MD 9764 does not work anymore

Test PU2 voltage on all pins .

[samtron123]

Re: laptop Medion Akoya MD 9764 does not work anymore

Hello
Thank you, I found it and I'll test it right away
if that is broken, how do you recognize that ??

[samtron123]

Re: laptop Medion Akoya MD 9764 does not work anymore

hello i have all the pins the values
1. 0.00
2.808 V
3. 1,522 V
4. 1,522 V
5. 5.0V
6. 4,23 v
7. 5.06 V
8. 1.88 V

[SMDFlea]

Re: laptop Medion Akoya MD 9764 does not work anymore

Pin 6 should be 5V ,next test PQ3 .

[samtron123]

Re: laptop Medion Akoya MD 9764 does not work anymore

1. 5.06 v
2. 5.06 v
3. 5.06 v
4. 17,61 v
5. 5.06 v
6. 5.06 v
7. 5.06 v
8. 5.06 v

[SMDFlea]

Re: laptop Medion Akoya MD 9764 does not work anymore

+5VRUN is ok, now test volts on everything that follows in the power sequence on page 10 of the schematic.

[samtron123]

Re: laptop Medion Akoya MD 9764 does not work anymore

Hi
Can you please give me the wiring diagram link?
why is soldered too hard, how can I desolder if I find the mistake