Technogym SYNCHRO Excite +, Service And Maintenance Manual

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SYNCHRO : Service & maintenance manual - rev. 7.1
Page 3.2
3.2. LED DISPLAY BOARDS
3.2.1. ARM B
OARD
: 500
AND
500SP
MODELS
The display contains only one board which comprises the CPU, an ARM microprocessor, its logic
circuits and a FLASH EPROM containing the operating program for the machine moreover, acts as
the interconnection hub for all the components of the display and serves as the point of connection
with the brake Board.
The main functions of the board are:
Manages and process signals from:
(1) Keyboard;
(2) HR receiver;
(3) C-Safe Board;
Optional:
(4)
Dual TGS reader (if present).
distributes the voltages received from the Brake Board to the display;
exchanges, via the RS-485 serial link to the Brake Board, the commands for controlling the
brake;
controls the LEDs and the 7-segment displays which provide feedback about the exercise
session.
The board includes the following indicator LEDs:
LED Colour Description
LED1
GREEN
if ON the +12 Vdc power supply from the Brake Board correctly
reaches the board.
LED2
YELLOW
if ON the +5 Vdc power supply from the Brake Board correctly
reaches the board.