Sony MBX-229 VPCY2 series

[Pragmatiko]

Hi all,
that notebook is complete dead.
I just can measure 19 volt AD+_IN on pin 1,2.3 of U119

Any help?

Thanks in advance

[whaldsz]

Re: Sony MBX-229 VPCY2 series

How about pin 4 and 5 of u121?

[Pragmatiko]

Re: Sony MBX-229 VPCY2 series

How about pin 4 and 5 of u121?

on that pin are present 19 volt.
for a moment during measure on pin 5, notebook started, asap have inserted battery turned off immediately.

now wont turn on again

[whaldsz]

Re: Sony MBX-229 VPCY2 series

19v on pin 5 is too high. Check R2499 and R2501 if open.

[Pragmatiko]

Re: Sony MBX-229 VPCY2 series

19v on pin 5 is too high. Check R2499 and R2501 if open.

sorry i made mistake 19v on pin 4 and 0,47v on pin 5

[Pragmatiko]

Solved

C35 on card reader board short

[orientalsniper]

Re: Sony MBX-229 VPCY2 series

How did you know C35 was short, what test did you perform?

[Pragmatiko]

Re: Sony MBX-229 VPCY2 series

How did you know C35 was short, what test did you perform?

i measured with multimeter and read 0 ohm, it was on 3,3volt line from BTBCARD1 on pag. 26 of schematic


many tks to Spidey for support.

[thesleepwalker]

Re: Sony MBX-229 VPCY2 series

i have the same problem with sony MBX-229, but it's not the C35 is short
could anyone help me

[valieromarco]

Re: Sony MBX-229 VPCY2 series

Flash KBC bios