Digital Equipment Corporation VR320 Service Manual

Installing and Usingthe VR320 Color MonitorOrder Number EK-VR320-IN-001digital equipment corporationmaynard, massachusetts

2InstallationNOTESThe monitor can operate at either 66 Hz or 72 Hz. The monitor ispreset for the system as ordered before it is shipped. If you wishto

2–2 InstallationMake sure the power switch is in the out position(off).MA-1012-89.DG

Installation 2–3Connect the video cable to the monitor.NOTEThe video cable is shipped with your host system.1. Attach each BNC connector to the back o

2–4 InstallationConnect the power cord.NOTEThe power supply automatically selects the correct voltage.1. Plug the power cord firmly into the power conn

3OperationCAUTIONTo avoid damage to the monitor, allow a cold monitor to warm toroom temperature before turning it on.Identify monitor controls and po

3–2 OperationMA-1016-89.DG123645Monitor Controls and Indicator

Operation 3–3Turn the system power on.Make sure your host system is on; then, push in the video monitor powerswitch.The power switch should light up.

3–4 OperationAdjust the contrast and brightness controls.1. Set the contrast and brightness to the maximum level.2. Decrease the brightness just until

Operation 3–5Adjust the tilt-swivel stand.CAUTIONThe monitor does not swivel in a complete circle. If you try toswivel the monitor in a complete circl

3–6 OperationAdjust the centering controls.If necessary, adjust the horizontal centering and vertical centeringcontrols for a centered display.MA-1262

First Edition, January 1990The information in this document is subject to change without notice and should notbe construed as a commitment by Digital

Operation 3–7Press the degauss switch for clear color.The monitor may develop poor color after the swivel action.If you see other colors scattered on

4MaintenanceClean the screen.Before cleaning the screen, turn the monitor power switch off and wait 20seconds to let static electricity dissipate.Clea

4–2 MaintenanceTable 4–1 Identifying and Correcting ProblemsSymptom Possible Cause Suggested SolutionPower indicatordoes not lightup when youturn the

Maintenance 4–3Table 4–1 (Cont.) Identifying and Correcting ProblemsSymptom Possible Cause Suggested SolutionRaster canbe seen usingthe brightnesscont

4–4 MaintenanceTable 4–1 (Cont.) Identifying and Correcting ProblemsSymptom Possible Cause Suggested SolutionRed or blue coloris missing.Red or bluesi

5ServiceDigital provides a wide range of maintenance programs that cover smallsystems and terminals. You can use these programs to select a plan thats

5–2 ServiceDECallDECall provides similar service as the Per Call service; however, thedifference is you pay a fixed fee per call with an annual retaine

6SpecificationsDimensionsHeight 457 mm (18 in)Width 495 mm (19.5 in)Depth 452 mm (17.8 in)Weight 29 kg ( 63 lb)Tilt Range -5° forward to +15° backwardS

6–2 SpecificationsVideo Input Red (with sync) 1 Vpp, 75 ohm, ac or dccoupledGreen (with sync) 1 Vpp, 75 ohm, ac or dccoupledBlue (with sync) 1 Vpp, 75

Specifications 6–3Table 6–1 Video Timing—1280 1024 ResolutionPixels: 1280 x 1024 1280 x 1024Refresh Rate: @72 Hz @66 HzHorizontal frequency 77.13 kHz 7

ContentsAbout This Manual v1 UnpackingIdentify the boxes. ... 1–1Unpack the monitor box. . ...

iv Contents5 ServiceOn-Site Repair . ... 5–1DECservice . ... 5–1BASIC Servic

About This ManualVR320 Color Video MonitorThe VR320 is a color video monitor with a direct-view antiglare screenand an auto-ranging power supply for w

vi About This ManualConventionsThis document uses the following conventions:Convention MeaningCAUTION Provides information to prevent damage to theequ

1UnpackingIdentify the boxes.If any boxes or items inside the boxes are missing or damaged:• Contact your salesperson.• Contact your delivery agent.NO

1–2 UnpackingUnpack the monitor box.The contents in the monitor box consist of the VR320 color monitor andthis manual.WARNINGThe monitor weighs approx

Unpacking 1–3Place the monitor on a level surface.MA-1259-89.DG