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Liquid damage 820-00239
Hi guys, I'm having a strange issue with a liquid damage 820-00239. Charger does switch to 20v with 0 current draw. PPBUS is 13v. P3V3_S5 = 3.3v. PP5V_S5 = 5v. No S4 voltages. No PM_SLP_S5_L and lower is not present. So I checked S5_PWRD which is 0.07v. Than I started checking on U7650: -...- melvinvdb
- Thread
- Replies: 14
- Forum: Macbook Logic Board Repair Questions
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820-00840 no SYSCLK_CLK12M_SMC
Hi all, I'm repairing a water damage 820-00840 here. Visible liquid damage is around u3900, u8400 and u7650. Has been cleaned. So situation is as follow: -PPDCIN_G3H = 5.2v -PP3V3_G3H = 3.4v Started by replacing both CD3215 (might not have been needed after all): - PP20V_USBC_XA_VBUS = 3.4v -...- melvinvdb
- Thread
- Replies: 33
- Forum: Macbook Logic Board Repair Questions