Hi All,
I bought a faulty switch that had a cracked screen and also didn't turn on.
Opened it up to check for short and to transplant it into a housing that had a good LCD etc.
All the caps around the BQ and some around the M9 chip had shorted, checking with a voltmeter it wasn't drawing any current so I removed the BQ chip and all the shorts went away, so I installed a new BQ chip.
It started charging at 0.52a and the battery icon appeared on the screen so I thought I had fixed it...
Black Screen issue after replacing BQ Chip
Continue reading...
I bought a faulty switch that had a cracked screen and also didn't turn on.
Opened it up to check for short and to transplant it into a housing that had a good LCD etc.
All the caps around the BQ and some around the M9 chip had shorted, checking with a voltmeter it wasn't drawing any current so I removed the BQ chip and all the shorts went away, so I installed a new BQ chip.
It started charging at 0.52a and the battery icon appeared on the screen so I thought I had fixed it...
Black Screen issue after replacing BQ Chip
Continue reading...