Main Unit - Mindray T1 Service Manual

2.5.1 Main Unit

The following figure shows the main unit architecture of T1.
Battery
Main unit
multi‐pin
connector
DC‐IN
Note: In this figure, the black blocks are hard wired while the others are flexible wired.
2.5.1.1 Main Board
The main board is the core of control over the entire system. It also implements DC/DC conversion and power management.
The primary functions of the main board are:

Implementing display drive, audio drive, Wi-Fi drive, and touch screen drive;

Implementing network communication, data storage, serial port extension, button scanning, and DC/DC conversion;

Controlling power on/off, alarm indicating lamp, backlight, and fan;

Managing multi-parameter subsystem and smart battery;

Detecting whether the battery is installed;

Exchanging data with the infrared communication backboard;

Controlling the power supply to peripheral devices, such as screen backlight, digital drive of the screen, and Wi-Fi;
turning off these devices individually or switching them into low power consumption mode.
2-8
Valve assembly
Multi‐parameter board
Infrared board
Main board
LCD and
touchscreen
SPO2
Backup
battery pack
Wi‐Fi
Extended
connector
Speaker
Antenna
T1 Service Manual