I've got a switch which had the USBc absolutely destroyed on it. Pin 18 and 6 (VDDIO and VSVR) are shorted to ground which I'm fairly certain should not be the case. The cap above P13USB is also shorted.
I've removed P13USB, M92T36 and BQ.... Without any change to the short to ground on those pins. Also, USBc has been removed. I've also tried removing each of the shorted caps and testing again / checking the caps, no change to the shorts.
The caps around BQ chip were not shorted....
Tracking down a short to ground
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I've removed P13USB, M92T36 and BQ.... Without any change to the short to ground on those pins. Also, USBc has been removed. I've also tried removing each of the shorted caps and testing again / checking the caps, no change to the shorts.
The caps around BQ chip were not shorted....
Tracking down a short to ground
Continue reading...