Technogym Step 500i, Service Maintenance Manual

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STEP EXCITE: Service & maintenance manual - rev. 1.4
Page 3.6
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Headphone jack;
>
Splitter / amplifier;
>
LCD power supply inverter.
The principal functions of the board are:
>
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;
>
Tunes the audio and video channels;
>
Manages the display of images on the LCD.
The board includes the following 2 jumpers:
Jumper Name Setting Description
JP1 open if closed, resets the microprocessor
CN2 open if closed, enables writing to the flash eprom
and a 3-pin connector (CN18) that can be used for testing the power supplies output by the
board: 0 Vdc (ground), 5Vdc and 3.3 Vdc.
3.1.1.6. 700iE Wellness TV Touch screen UB model
The display includes only one board which carry out all the functions previously done by the
connectors board and CPU board.
It is the circuit board which incorporates the CPU, its control logic, the FLASH EPROM containing
the operating program of the machine, and the tuner for the audio and video channels. Through the
connector board, it receives signals from the various machine components.
The main functions of the board are:
>
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;
>
Tunes the audio and video channels;
>
Manages the display of images on the LCD.
>
Acts as the interconnection hub for all the components of the display, and serves as the point
of connection with the brake board. It includes connectors for the following:
- Cardio receiver;
- Hand sensor board;
- TGS reader;
- Touch sensor;
- Touch screen;
- Headphone jack;
- AUX input board;
- LCD;
- Power supply inverter for LCD;
- Antenna signal;