Hi.
Try the following:
1. Update the firmware
For Android4.1.1 Standard Version Update all (copy zip to SD card, insert it into 9320 and turn power on)
Download the update. The settings and your programs will be deleted after that.
Here is the firmware for micro controller (Settings-Customization-advanced settings-7777-FW upgrade):
After you update the firmware, adjust the following settings:
Settings-display-screen change-advanced settings Panel: Standard , Resolution: 480x234-standard , brightness or jvc , touch: kendwood DDX7039.
Also, you can try to shift a little bit the image to the bottom in Settings-display-screen fine tuning