Technogym Run Excite 700 - 900 LED Models

RUN EXCITE: Service & Maintenance Manual - rev. 1.5
Page 3.2
• 386 BOARD
This is the circuit board which comprises the CPU, a 386 microprocessor, its logic circuits and
a FLASH EPROM containing the operating program for the machine.
• D
ISPLAY B OARD
This is the heart of the display: this board acts as the interconnection hub for all the
components of the display, and serves as the point of connection with the electrical box. In
particular, its functions are:
>
receives commands of the machine program from the 386 Board;
> sends to the 386 Board the signals received from:
- Keyboard;
- Cardio receiver;
- TGS/Smart Card Board;
- CSafe Board.
>
distributes to the display the voltages received from the Power Supply Board;
> houses the backup battery which maintains the RAM memory on the 386 board;
> exchanges, over the RS-485 serial link to the inverter, and via the Download Board,
commands for controlling the belt and elevation motors;
> illuminates the LEDs and 7-segment displays used for the exercise feedback.
The board includes the following indicator LEDs:
LED name Color Description
DL1 green
if ON the +5 Vdc supply is correctly
stabilized by the display board.
DL2 green
if ON the +12 Vdc supply provided by the
Power Supply Board, correctly reaches the
board.
DL3 orange
if ON the +5 Vdc supply provided by the
Power Supply Board, correctly reaches the
board.
and 2 jumpers:
Jumper Name Setting Description
JP1 close
if short-circuited, keeps the memory powered
when the machine is off.
JP2 open if short-circuited, resets the circuit board.
3.1.1.2. 700 / 900 LED models
The display contains:
• 386
BOARD
This is the circuit board which comprises the CPU, a 386 microprocessor, its logic circuits and
a FLASH EPROM containing the operating program for the machine.
• D
IGITAL P LAN B OARD