Technical description for
HC20 schematic
Rev. A
Date:
2014-09-26
Init: TOP
Side 1/7
Purpose:
Quick technical description of the HC20 PCBA used in HC20 and HBBRIO RF handsets
Overview:
The PCBA is divided into the following sub circuits:
1) Battery connection
2) Micro controller
3) RF trans antenna
4) Key-matrix
5) Programming interface
6) Backlight
7) LED
Ref:
Circuit diagram for HC20 board
– 10907483-C.
Block Diagram
