820-00850 - 5V / 0A - every port

[quasimodo]

Hey guys,

getting same reading on every port. 5 - 5.2 V / 0 - 0.008A

PPBUS is 12.3V

PP3V3_G3H_RTC is present


what to do?

 

[2informaticos]

Any history available?
Is the machine recognized in DFU mode?

 

[quasimodo]

last use with docking station and external display / no liquid / need to check dfu

 

[quasimodo]

dfu not possible.

 

[2informaticos]

Do you get expected SLPS2R and AWAKE voltages?

 

[quasimodo]

PP1v8_SLPS2R not present (0.002V)

PP1v8_WAKE not present

no shorts

 

[2informaticos]

Check U7800 LDOs (page 75).