VR315 and VR325 Monochrome Monitors

This document is a service guide for the VR315 and VR325 monochrome monitors. It includes:

• Product Overview: A general description, model variations, and a list of required tools, equipment, and spare parts.
• Troubleshooting: Procedures for identifying and isolating monitor problems, including tables for addressing blank screens and poor display quality.
• Maintenance: Detailed procedures for removing and replacing field-replaceable units (FRUs), such as cables, the power supply module, the deflection module, and the video casting assembly.
• Safety: Important safety protocols for discharging the CRT and handling CRT disposal.
• Alignment: Step-by-step procedures for monitor adjustments, including raster, anode voltage, height/width, cutoff, and gain adjustments, as well as instructions for using a radiance meter.
• References: A list of related documentation.