820-2850 dead after water damage.

yair37

Member
Hi,
the board came to me after cleaning and repair try.
Fan work for a 2-3 sec.
PPBUS_3GH - 12.3V
PPVIN_G3H_P5VG3S - 12.3V
PPDCIN_G3H - 12.3V
PP5V_G3S- EVERY 5 SECOUND SHOW 5V FOR A SECOUND then 0v
P5VG3S_EN - EVERY 5 SECOUND SHOW 1V-3.4V FOR A SECOUND.
PP3V3_G3H- 3.4V
PP5V_S4SW -0V
PP5V_S5_LDO - 2.4V STABLE BUT EVERY 5 SECOUND SHOW 5V FOR A SECOUND.
 

yair37

Member
CHGR_LX1-not stable 2v-12v---12v for 2-3sec and then down to 2v and go up to 12v
P5VUSBC_X_R- 0V stable
PP5V_S4- 0V- stable
 

2informaticos

Administrator
Staff member
You MUST maintain power button pressed 5-10s, after charger was connected.
Do not release the button faster.

"explain please"
All pages 68-78...
 
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