Recent content by bartech

death cpu? repair not possible?

u7220 geting hot so i change it , now i get one fun spin and cpu get hot but no chime. i dont get any voltage on l7220 ppbus_g3h_cpu- 13v

it chimes

water damage macbook start normaly but no video on lcd and no video by hdmi. there is connection dp800 to jp600 pin 43 qp800 pin 3-11,92v 4-12,01 rest - 0v ppvout_lcbblkt - 0v ppbus_aon- 12.01v pp5v_sw_lcd- 5,19v pp3v3_sw_lcd-3,27v i2c_als_1v8_sda- 1,8v i2c_bklt_scl - 5,18v i change up800...

can i use LP8548B1SQX03 in place of LP8548B1SQX06 ? on schmatics they look not 100% similar but i dont have 06 got only 03

macbook is working but still no backlight

what we can do whit it ?

d9701 is ok i change it too before r97008/9 i check and change too no changes U9701 pin 2 - 2,5v lcd is ok 100% i got another 3332 and it work whit good mainboard no water damage, looks ok when i make pram reset he get to roll whit it , pram reset after reset whitout pushing buttons when i...

no backlight issue l9000-5v Q9706 1-12,6 2-12,6 3-4,4 4,5,6-12.6 Q9707 1-0 2-3,3 3-0 4-0 5-3,3 6-0 get only 12,6 on ppvout_s0_lcdblkt i change U9701 - same voltage

damaged area Uf100/uf000 , Uf400/Uf500, no DZF691 in place , on usbc0 got 5,12v macbook take stedy 0.37A on usb1 jumping 5.10-5.20v and jumping 0-0.44 A cc350-1,31v cc721 usbc1 connected - V not stable, jumping between12,32 - 8.04 , when usbc0 connected 2.7v and going down l5820 usbc1 - 3.8v ...

I got problem whit osx instalation, can't erase disc. Macbook turn on but there is apple logo and it turn off and again the same- apple logo- turn off, i can use osx instalation but when i choice whitch osx i want to instal mac turn off. I connect him in external drive mode , i see the disc in...

when i get this macbook it want start there was short on c7430 and broken r 7006 , i change them and it start working but when i connect charger lcd backlight stop working when i disconect it lcd back to normal , i change U7100 and u 7701 , reset smc and still the same...

i make restore, its better but when i make recovery from internet i get "support.apple.com/mac/startup - 2100F

i check the board but the is no water damage

its start at 0.07 amp go up to 2,45 amp chime and go to 0 amp and restart again . Battery connected . macbook was working on Sardinia - sea air