Quantum Data 801GX Manuel de service

3M Visual Systems Division Printed in U.S.A.6801 River Place Boulevard ©3M 6/99 78-6970-8988-2 Rev. AAustin, Texas 78726-9000MP8620 Multimedia Pro

3M Multimedia Projector MP8620 Adjustments 3M 1999 1-73.4 Volts 0.1LabelPCBTrim1-8. Interface/Audio Board SynchronizationThe interface board or the

3M Multimedia Projector MP8620 Adjustments 3M 1999 1-8Triplet lens1-9. Lamp AlignmentA poorly aligned lamp can reduce the brightness or the uniformit

3M Multimedia Projector MP8620 Adjustments 3M 1999 1-91-9-2. Align the Lamp1. With the projector off, adjust the lamp up or down by turning the two a

3M Multimedia Projector MP8620 Adjustments 3M 1999 1-101-10. Timer InformationA lamp life indicator is located under the Option sub-menu. If the indi

3M Multimedia Projector MP8620 Adjustments 3M 1999 1-111-11. Image Adjustments1-11-1. Adjusting the display resolution and brightness and contrast.1.

3M Multimedia Projector MP8620 Adjustments 3M 1999 1-121-11-2. Part 2 – Adjusting the tracking to remove vertical bands in the projection image.1. Te

3M Multimedia Projector MP8620 Adjustments 3M 1999 1-131-11-3. Part 3 – Adjusting the Sync pixel frequency and scanning frequency.This adjustment rem

3M Multimedia Projector MP8620 Disassembly/Reassembly 3M 1999 2-12. Disassembly/Reassembly2-1. OverviewDisassembly and reassembly of the MP8620 is d

3M Multimedia Projector MP8620 Disassembly/Reassembly 3M 1999 2-212342-3-1. Remove Top CoverTo avoid electrical shocks, unplug projectorpower cord b

3M Multimedia Projector MP8620 Disassembly/Reassembly 3M 1999 2-3122-3-2. Remove EMI ShieldTo avoid electrical shocks, unplug projectorpower cord be

3M Multimedia Projector MP8620 Table of Contents 3M 1999 iMP8620 Table of Contents1. Adjustments...

3M Multimedia Projector MP8620 Disassembly/Reassembly 3M 1999 2-4123452-3-3. Remove Lamp AssemblyTo avoid electrical shocks, unplug projectorpower c

3M Multimedia Projector MP8620 Disassembly/Reassembly 3M 1999 2-578911101212137. Remove two (2) screws securing lamp housing cover.8. Lift the front

3M Multimedia Projector MP8620 Disassembly/Reassembly 3M 1999 2-614151514. Feed lamp wire leads through front of lamp housing.15. Remove four (4) To

3M Multimedia Projector MP8620 Disassembly/Reassembly 3M 1999 2-71234562-3-4. Remove Power SupplyTo avoid electrical shocks, unplug projectorpower c

3M Multimedia Projector MP8620 Disassembly/Reassembly 3M 1999 2-82133445672-3-5. Remove Power DistributorTo avoid electrical shocks, unplug projecto

3M Multimedia Projector MP8620 Disassembly/Reassembly 3M 1999 2-94356212-3-6. Remove LCD AssemblyTo avoid electrical shocks, unplug projectorpower c

3M Multimedia Projector MP8620 Disassembly/Reassembly 3M 1999 2-107897. Remove two (2) screws from right side LCDassembly pivot bracket.8. Remove on

3M Multimedia Projector MP8620 Disassembly/Reassembly 3M 1999 2-1112-3-7. Remove LensTo avoid electrical shocks, unplug projectorpower cord before p

3M Multimedia Projector MP8620 Disassembly/Reassembly 3M 1999 2-12345212-3-8. Remove Audio SpeakersTo avoid electrical shocks, unplug projectorpower

3M Multimedia Projector MP8620 Disassembly/Reassembly 3M 1999 2-13212-3-9. Remove IR Receiver BoardTo avoid electrical shocks, unplug projectorpower

3M Multimedia Projector MP8620 Table of Contents 3M 1999ii3-4. General/Projection Image Troubleshooting ...

3M Multimedia Projector MP8620 Troubleshooting 3M 1999 3-13. Troubleshooting3-1. OverviewTroubleshooting is necessary to isolate problems with the MP

3M Multimedia Projector MP8620 Troubleshooting 3M 1999 3-23-3-1. Projector Does Not Power UpIs the LCD in the projection position?Is the LCD switch f

3M Multimedia Projector MP8620 Troubleshooting 3M 1999 3-33-3-2. Lamp Does Not Light

3M Multimedia Projector MP8620 Troubleshooting 3M 1999 3-43-3-3. Projector Image Problem

3M Multimedia Projector MP8620 Troubleshooting 3M 1999 3-53-3-4. LCD Not FunctioningDoes the input device send the video signal properly?Is the LCD c

3M Multimedia Projector MP8620 Troubleshooting 3M 1999 3-63-3-5. No SoundIs the speaker in good physical condition?Are the speaker wires connected an

3M Multimedia Projector MP8620 Troubleshooting 3M 1999 3-73-4. General/Projection Image TroubleshootingPast experience has shown the following proble

3M Multimedia Projector MP8620 Troubleshooting 3M 1999 3-83-4-4. Mouse Does Not WorkProbable causes are: Loose cable. Wrong connection. Wrong power u

3M Multimedia Projector MP8620 Troubleshooting 3M 1999 3-93-4-8. Humming Noise. Slowly Passing Horizontal BarsProbable causes are: Signal sources are

3M Multimedia Projector MP8620 Theory and Diagrams 3M 1999 4-14. Theory and Diagrams4-1. OverviewIn order to truly understand what is taking place w

3M Multimedia Projector MP8620 Adjustments 3M 1999 1-11. Adjustments1-1. OverviewMake advanced adjustments to the MP8620 in a clean environment with

3M Multimedia Projector MP8620 Theory and Diagrams 3M 1999 4-24-2-3. RGB Input and AD ConversionThere are two sets of RGB inputs. Switching between t

3M Multimedia Projector MP8620 Theory and Diagrams 3M 1999 4-34-3. Color TheoryAn understanding of color theory provides a background for making the

3M Multimedia Projector MP8620 Theory and Diagrams 3M 1999 4-44-4. LCD Structure TheoryAn understanding of LCD Structure theory provides a background

3M Multimedia Projector MP8620 Theory and Diagrams 3M 1999 4-54-5. Lamp TheoryThe MP8620 with a DC 400 watt metal halide bulb is capable of producing

3M Multimedia Projector MP8620 Theory and Diagrams 3M 1999 4-64-6. Keystone CorrectionA correct projection image on the MP8620 should besquare and in

3M Multimedia Projector MP8620 Theory and Diagrams 3M 1999 4-74-7. Optical System LayoutNotice that the optics module is composed of a lamp, a fresne

3M Multimedia Projector MP8620 Theory and Diagrams 3M 1999 4-84-8. Connection DiagramsElectrical diagrams provide a visual representation of how the

3M Multimedia Projector MP8620 Theory and Diagrams 3M 1999 4-94-9. Wiring DiagramsWiring diagrams provide a visual representation of how the projecto

3M Multimedia Projector MP8620 Theory and Diagrams 3M 1999 4-104-10. Internal Cabling Pinout TablesThe pinout tables listed in this section are desig

3M Multimedia Projector MP8620 Theory and Diagrams 3M 1999 4-114-10-2. Audio Board Connector LocationsVideo Out (J1)This connector joins the audio an

3M Multimedia Projector MP8620 Adjustments 3M 1999 1-21-4. Technician ToolsTest Generator: 3M recommends the Quantum Data™ 801GXVideo Test Generator

3M Multimedia Projector MP8620 Theory and Diagrams 3M 1999 4-124-11. Computer/Video/Audio ConnectionsThe information provided in this section is for

3M Multimedia Projector MP8620 Theory and Diagrams 3M 1999 4-13

3M Visual Systems Division Printed in U.S.A.6801 River Place Boulevard ©3M 6/99 78-6970-XXXX-X Rev. AAustin, Texas 78726-9000Important NoticeAll s

3M Multimedia Projector MP8620 Adjustments 3M 1999 1-31-5. Return to Default Settings1. Power down the projector and turn the main power switch to of

3M Multimedia Projector MP8620 Adjustments 3M 1999 1-41-6. Cleaning the LCD PanelDust particles can accumulate on the glass covering the LCD panel ca

3M Multimedia Projector MP8620 Adjustments 3M 1999 1-5AlignmentLever1-7. LCD Panel AlignmentPeriodic LCD panel alignment is necessary to maintain a h

3M Multimedia Projector MP8620 Adjustments 3M 1999 1-61-7-3. LCD Ribbon Cable InstallationInstalling a new LCD ribbon cable is done using the followi