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MODEL 2100 OVERHEAD PROJECTOR

TITLE PAGE NUMBER

TABLE OF CONTENTS

Technical Support Hotline - 1-800-328-1371 (U.S. & Canada)

Section 1 - Introduction.................................................................................1-1

Specifications..............................................................................1-1

Principles of Operation................................................................1-3

- Optics.......................................................................................1-3

- Cooling.....................................................................................1-3

Section 2 - Operation and Maintenance........................................................2-1

Set Up Procedure.......................................................................2-1

Lamp Management System........................................................2-3

Cleaning......................................................................................2-4

- Cleaning Stage and Fresnel Lens.............................................2-4

- Mirrors......................................................................................2-4

Lubrication..................................................................................2-5

Section 3 - Troubleshooting...........................................................................3-1

Section 4 - Adjustments................................................................................4-1

General.......................................................................................4-1

Tools Required............................................................................4-1

Projector Check-out Facilities......................................................4-1

Optical Alignment........................................................................4-3

- Square Image...........................................................................4-3

- Focus Mechanism.....................................................................4-4

- Aligning the Fresnel Lens.........................................................4-4

Color Tuning Cable......................................................................4-5

Post (Folding)..............................................................................4-6

Lampchanger Cable....................................................................4-6

Section 5 - Electrical Diagrams.....................................................................5-1

Section 6 - Disassembly/Re-assembly..........................................................6-1

Projection Head Assembly (Doublet)..........................................6-1

Projection Head Assembly (Triplet).............................................6-1

Top Cover Assembly...................................................................6-1

Fresnel Lens...............................................................................6-1

Stage Glass................................................................................6-2

Focusing Assembly.....................................................................6-2

Condenser Lens.........................................................................6-3

Section 7 - Illustrated Parts Breakdown.........................................................7-1

(Published separately - Stock # 78-6970-4936-5)

3M 2100 Service Manual

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