Pc Motherboard; Power Supply Assembly; Monitor Assembly - Keysight 8990B Service Manual

PC Motherboard

The PC motherboard provides all the system control and interface functions for
the 8990B Windows® 7 based operating system. It contains the CPU, ROM, RAM,
keyboard and mouse interfaces, serial and parallel interfaces, hard disk drive
interface, and PCIE buses.

Power Supply Assembly

AC input to the power supply: 100 VAC to 240 VAC ±10%
Maximum input power: 375 W
AC input frequency: 50 Hz to 60 Hz

Monitor Assembly

The Flat Panel Display (FPD) monitor is a thin film liquid-crystal touch screen
display (TFT-LCD). This FPD is a 15-inch diagonal, 1024 by 768 pixel, XGA color
monitor.
Keysight 8990B Service Guide
Theory of Operation 2
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