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Digital Equipment VR320 - Default Chapter; Table of Contents

Digital Equipment VR320
102 pages
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Contents
About This Manual v
1 Overview
1.1 Product Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1–1
1.1.1 Refresh Rate . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1–2
1.1.2 Model Variations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1–2
1.2 Tools and Equipment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1–2
1.3 Recommended Spare Parts . . . . . . . . . . . . . . . . . . . . . . . . . . . 1–3
2 Troubleshooting
2.1 Before You Start . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2–1
2.2 Troubleshooting Procedures . . . . . . . . . . . . . . . . . . . . . . . . . . 2–1
2.3 Troubleshooting Tables . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2–2
3 Removing and Replacing FRUs
3.1 Procedures . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3–1
3.1.1 Rear Cover Removal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3–2
3.1.2 Top Cover Removal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3–6
3.2 Field Replaceable Units (FRUs) . . . . . . . . . . . . . . . . . . . . . . . 3–8
3.2.1 Interconnect Cable Removal . . . . . . . . . . . . . . . . . . . . . . . . 3–9
3.2.2 Deflection Module . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3–10
3.2.3 Discharging the CRT . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3–14
3.2.4 Power Supply Module Removal . . . . . . . . . . . . . . . . . . . . . 3–18
3.2.5 Power Supply Module Replacement . . . . . . . . . . . . . . . . . . 3–27
3.2.6 Video Casting Assembly . . . . . . . . . . . . . . . . . . . . . . . . . . . 3–30
3.2.7 CRT/Chassis Assembly . . . . . . . . . . . . . . . . . . . . . . . . . . . 3–35
3.3 CRT Disposal (Trained Service Personnel Only) . . . . . . . . . . 3–35
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