Display Board - Technogym Recline Forma Service Maintenance Manual

3.1.1. D
ISPLAY BOARD
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.
• CPU 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;
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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
DL1
DL2
DL3
and 2 jumpers:
Jumper Name
JP1
JP2
Page 3.2
RECLINE EXCITE: Service & Maintenance Manual - rev. 1.1
Color Description
if ON the +5 Vdc supply for the digital
green circuits, stabilized by the CPU board,
correctly generates.
if ON the +12 Vdc supply for the power
green circuits, provided by the Power Supply
Board, correctly reaches the board.
if ON the +5 Vdc supply for the power
orange circuits, provided by the Power Supply
Board, correctly reaches the board.
Setting Description
if short-circuited, keeps the memory powered
close
when the machine is off
open if short-circuited, resets the circuit board