820-00840 no turn on

Sr. Robot

Member
820-00840 with 13v on ppbus.

PP5V_S5 starts at 0.4v and then drops to 0v (no pulsing).
PP3V3_G3H = 3.4v
PP3V3_S4 = 1.1v

L7670 is pulsing and L7030 is stable 0.9v
 

Sr. Robot

Member
No history available, PP3V3_S0 is shorted 0.4 ohms to ground.

Injecting 3v and 1amp heats nothing. Voltage drops to 0.5v
 
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