820-3476 - doesn't work, no LED

[Palhano]

Perfect board, no oxidation and no shorts. Missing several lines.

I'm using original 85w magsafe. In SMC bypass mode, the Mac turned on and I have normal voltages.

PPBUS_G3H - 12.2v
PP3V42_G3H - 3.4v
*PP5V_S5 - 0
*PP3V3_S5 - 0
*PP3V3_SUS - 0
SMC_ONOFF_L - 3,37v

PPVRTC_G3H - 3.3v
RTC_ RESET_L - 3.3v
*PCH_INTRUDER_L - 1.5
PCH_SRTCRST_L - 3.3v
*PCH_INTVRMEN_L - 2.4v
*PCH_DSWVRMEN_L - 2.4v

*PM_DSW_PWRGD - 0
*PM_BATLOW_L - 0
*PM_RSMRST_L - 0
*PM_PWRBTN_L - 0

*SMC_ADAPTER_EN - 0
*SMC_PM_G2_EN- 0
*PLT_RESET_L - 0
*ALL_SYS_PWRGD - 0

 

[2informaticos]

What about AVREF_SMC and SMC_RESET_L?

 

[Palhano]

AVREF_SMC 3.3 and SMC_RESET_L 3v

 

[2informaticos]

Try heating PCH area with quality flux; in case of accumulated crap underneath.