820-00045 A1534

tipoti

Member
hello,

Battery is not installed. It draws 0.11 amps, then enters a continuous loop drawing 0.0 amps like this.

The PP5V_S0 voltage fluctuates between 5V intermittently. It consistently behaves in this manner.

PP3V3_G3H : 3.3v
PPVRTC_G3H : 3.3v
PP5V_G3H_LDO :5v
PP5V_S4: 5v
 

2informaticos

Administrator
Staff member
Do you note voltage pulse on other coils?
Check diode mode to ground on all secondaryy power supplies.

Any history available?
Did you test the board alone on the desk?

Be aware, all these boards end with dead CPU.
You may fix power problem and client comes back later with dead CPU claiming for warranty!
 
Top