The archive is a schematic drawing of the following sites:
1) Basic electric circuit. Digital processor for bass parts. Speech processing module
2) circuit diagram. Chains microphone, speaker, headphones
3) circuit diagram. The memory block BLUETOOTH, voltage regulator, a node of keyboard illumination
4) circuit diagram. RF module
5) circuit diagram. Keyboard, SIM-card slot, vibration
6) circuit diagram. Interface connector and plug the LCD module. Controller power backlight LCD
7) wiring diagram of the main board (bottom view)
8) wiring diagram of the main board (top view)