MACBOOK PRO a1278 820-2530 EMC 1413 BIOS

[NConstantinou]

When i turn on macbook i do hear mac sound but screen is blank



SORRY EMC IS 1413 NOT 1403
i need bios for it


thanks

[peste]

Re: MACBOOK PRO a1278 820-2530 EMC1403 BIOS

When i turn on macbook i do hear mac sound but screen is blank



SORRY EMC IS 1413 NOT 1403
i need bios for it


thanks

post the original bios...

[NConstantinou]

Re: MACBOOK PRO a1278 820-2530 EMC1403 BIOS

ehen i tried to read this file using RT809F was giving me reading error

EMC 3089 is writen on IC.
i mentioned what was on schematic diagram.
i hope this is correct

[NConstantinou]

Re: MACBOOK PRO a1278 820-2530 EMC 1413 BIOS

Can someone help!!!!

[SMDFlea]

Re: MACBOOK PRO a1278 820-2530 EMC 1413 BIOS

Can someone help!!!!

Can`t find an EMC 1413 ? .Try this bios https://www.badcaps.net/forum/showthread.php?t=67499

Mac Specs: By Identifier: EMC Number
https://everymac.com/systems/by_capa...mc-number.html

[NConstantinou]

Re: MACBOOK PRO a1278 820-2530 EMC 1413 BIOS

Happy New Year
Thanks for your reply,

From your links and and and from what i have (board) the processor is 2.26MHz core 2 Duo 13".
On SMC ic is written 3089 or 3039 and 340D.
This board i purchased from ebay and unfortunately the seller disappeared therefor i can not contact for more info.
the board when was received supposed to be a working one but it was defective and i fixed it.
I used schematic macbook pro A1278 820-2530 that was more near to board.
So i went thru the RAILS test and all voltages are there. the only difference i have is PPVCOPE_S0_CPU i got 1.08v and on schematic says 1.5v.
That is why i said it is a bios problem.
do you have any suggestions.

There is one IC U9000 pin1 is LVDS_IG_PANEL. there i have .2v and sometimes .5v but there is no short. pins 2&3 have 3.3v.
tracing pin 1 goes to a resistor which is 0v ( measure resistance is ok) and
then goes to graphics ic. Pin 1 should be 3.3v.
can i fet from somewhere!

Thanks

[SMDFlea]

Re: MACBOOK PRO a1278 820-2530 EMC 1413 BIOS

Happy New Year
Thanks for your reply,

do you have any suggestions.

Thanks

Happy new year to you too. This is just the Bios requests sub forum, start a new thread if you want more help here -> https://www.badcaps.net/forum/newthr...newthread&f=23