For $29/mo, we provide access to advanced level technicians who will answer your questions on any Macbook board related matter to the best of their knowledge promptly & walk you through how to solve your problem so you can deliver a working board to your customer.
Subscribe Now

820-4924-A no green light

Thread starter Sr. Robot
Start date May 4, 2021

Sr. Robot

Member

#1

Hello, i have an 820-4924-A with no green light no power.

PP3V42_G3H is 3.42 volts.

PPBUS_G3H is 12.24 volts

PP3V3_S5 0 volts

Sr. Robot

Member

#2

Also tried another dc in board, same thing

2informaticos

Administrator

Staff member

#3

Incorrect PPBUS_G3H.
Check if SMC_RESET_L is good.

Sr. Robot

Member

#4

SMC_RESET_L is not present

2informaticos

Administrator

Staff member

#5

Very good reason for your symptom.

Check U5110 voltages.
Test disconnecting keyboard flex too.

You must log in or register to reply here.

Share:

Facebook Twitter Reddit Pinterest Tumblr WhatsApp Email Link