Display Monitor Board - GE 9100c Technical Reference Manual

2.7.6 Display Monitor
Board
Figure 2-8 • Display Monitor Board block diagram
M1207026
M1207027
Reproduced from the electronic master in MATRIX
The Display Monitor Board (DMB) provides the power supply to the
Control Sample Board (CSB), and the interface to the LCD display. A
microprocessor in the DMB is used to communicate with the CSB.
It includes:
• Microprocessor
• Voltage regulators
• RS232C serial I/O
• Clocks and timers for the system
• System On/Standby
• Battery monitor and protect circuits
• Power supply monitor
• System memory
• Front panel interfaces
• Rotary encoder interface
• Inverter interface
• Universal Serial Bus (USB) interface
• Alarm audio circuit
004 MANUAL−DOC, Technical Reference Manual, Technical Reference Manual for 9100c, English
2 Theory of Operation
2-23