iPhone 8 Plus VDD Main short - GSM-Forum

mujie · 04-03-2019, 10:14

I have dead short on VDD Main.

C5690 Getting hot. Applied 5V on the VDD line, Draws 2.5A. I remove C5690, The pads still get hot and short is still there. Help

djmdp · 04-03-2019, 12:43

Is capacitor itself shorted? If not, maybe there is a short between layers of the PCB, or something gets hot on the other side of the board on that line.

mujie · 04-03-2019, 13:52

Quote:

Originally Posted by djmdp

Is capacitor itself shorted? If not, maybe there is a short between layers of the PCB, or something gets hot on the other side of the board on that line.

Capacitor is short. Pads on C5690 is short even after i remove cap. Nothing is hot on the other side

04-03-2019, 10:14	#1 (permalink)
mujie No Life Poster Join Date: Jan 2002 Location: MARS Posts: 1,661 Member: 8304 Status: Offline Thanks Meter: 362	iPhone 8 Plus VDD Main short I have dead short on VDD Main. C5690 Getting hot. Applied 5V on the VDD line, Draws 2.5A. I remove C5690, The pads still get hot and short is still there. Help

04-03-2019, 12:43	#2 (permalink)
djmdp Junior Member Join Date: Dec 2012 Posts: 28 Member: 1855668 Status: Offline Thanks Meter: 1	Is capacitor itself shorted? If not, maybe there is a short between layers of the PCB, or something gets hot on the other side of the board on that line.