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...
The archive shows the scheme of the following devices:
1) Receiver. Power controller, a speech codec, the interface of SIM-card.
2) transceiver. Synthesizers
3) Digital processor for bass part
4) JTAG Interface
5) Keyboard and lighting scheme. Audio selectors and sound amplifier
6) Interface Module LCD. Interface microphone and...