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resistance to ground at L7210 - 8.2 Ohm

Sorry it was P1V8S3SW_CT1. PP1V8_S3 - 1,78V

L7370 - 1,04V L7730 - 1,05V L7900 - 1,00V L7930 - 1,79V L7960 - 0,94V L8030 - 1,19V L8060 - 1,00V L7210/20 - 0V U8200 Vout1 - PP1V8_S0 - 1,79V Vout1 - PP1V8_S3 - 9,21V U8205 Vout1 - PP3V3_S5G - 3,3V U8210 Vout1 - PP3V3_S4 - 3,3V Vout2 - PP5V_S0 - 5,1V U8220 PP3v3_S0 - 3,3V

Ok. Even if I maked a mistake (but I don’t think so beacause I’m extra carefull in precise jobs) I think with your help I can find soliution. MacBooks are out of my knowledge but I can easly check mainboard piece by piece to figure it out.

What else should I check to confirm what exactly is damaged? Is there any way to solve this problem?

Yes, I did. There is no visible damaged components.

L7220 - 0V L7370 - 1,02V

w/0 LCD F7000 13,04V L7210 0V w LCD F7000 13,04V L7210 0V And I did disconnect the battery before start screen changing

Did you mean disconnect battery from mainboard?

Hello. I have problem with my LCD. Before repair screen showed up for a moment when lid was at 45 degrees. At 90 degrees there is no backlight. After few tries doesn't show at any degree. The flex cable from LCD backlight was broken (maybe make some short circuit). I've replaced whole LCD, and...