Motorola Moto X Pure Edition Troubleshooting Manuals page 44

Front Facing Imager Troubleshooting (cont'd)
In the event of No-Preview
● Check if this issue follows front imager module or main PCB by swap test with
known good module first.
● In the meantime, check if receptacle and plug of B-to-B connector are mated
properly without poor assembly.
○ If the issue follows front Imager module - Send the defective module to module
supplier for further analysis.
○ If the issue follows main PCB - Please check power supplies level, control signals and
MIPI signals as directions on the next slide to find further information about failure.
MOTOROLA CONFIDENTIAL
Issue:
Moto X Pure Edition/Moto X Style
Baseband TROUBLESHOOTING GUIDES