User's Manual

Repair steps:
1. Check if the LCD is damaged, and FPC has soldering problems;
2. Check if t he relevant components have soldering problems;
3. Replace with new LCD, and verify again;
4. If still failed to find out problems, check whether U1 chip has soldering or
performance problems.
5.10. Camera function abnomity
F9, configured with a 0.3 million pixels main camera, the data and control lines which connect
to the main chip’s camera interface directly. The main camera’s power supply is provided by
U1, Specific circuits as follows: