Service Manual. MP8770 Datasheet

MP8770 Manual. Datasheet pdf. Equivalent

Part MP8770
Description Multimedia Projector Service Manual
Feature Service Manual MP8670/8745/8755/8770 Multimedia Projector Warranty and Limited Remedy. This product.
Manufacture 3M
Datasheet
Download MP8770 Datasheet



MP8770
Service Manual
MP8670/8745/8755/8770 Multimedia
Projector
Warranty and Limited Remedy. This product will be free from defects in material and manufacture for a period of
two years from the date of purchase. 3M MAKES NO OTHER WARRANTIES INCLUDING, BUT NOT LIMITED TO, ANY
IMPLIED WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. If this product is defective
within the warranty period stated above, your exclusive remedy shall be, at 3M’s option, to replace or repair the 3M product or
refund the purchase price of the 3M product. _______________________________________________________________
Limitation of Liability. Except where prohibited by law, 3M will not be liable for any loss or damage arising from this
3M product, whether direct, indirect, special, incidental or consequential regardless of the legal theory asserted.
3M Visual Systems Division
6801 River Place Boulevard
Austin, Texas 78726-9000
E. P. S. Service Documentation
Copyright © 2000, 3M IPC. All Rights Reserved.
78-6970-8985-8



MP8770
MP8670/8745/8755/8770 Table of Contents
SECTION 1 ADJUSTMENTS
1-1 Adjustments ................................................................................................................................................ 1-1
1-2 Section Contents ......................................................................................................................................... 1-1
1-3 Machine Identification ................................................................................................................................ 1-1
1-4 Technical Tools........................................................................................................................................... 1-2
1-5 Cleaning LCD Panels.................................................................................................................................. 1-3
1-6 Convergence................................................................................................................................................ 1-4
1-7 White Balance ............................................................................................................................................. 1-6
SECTION 2 DISASSEMBLY/REASSEMBLY
2-1 Overview ..................................................................................................................................................... 2-1
2-2 Required Tools............................................................................................................................................ 2-1
2-3 Steps for Removing Projector Components................................................................................................ 2-1
SECTION 3. TROUBLESHOOTING
3-1 Troubleshooting Checkpoints ..................................................................................................................... 3-1
3-2 Power Cannot be Turned on Flowchart ...................................................................................................... 3-2
3-3 Lamp Does Not Light Flowchart ................................................................................................................ 3-3
3-4 No Picture – RGB Only Flowchart ............................................................................................................. 3-5
3-5 No Picture – Video Only (RGB-Good) Flowchart ..................................................................................... 3-6
3-6 No Picture – RGB or VIDEO Flowchart .................................................................................................... 3-7
3-7 No Sound Flowchart ................................................................................................................................... 3-8
3-8 Cannot Control Mouse or RS232C Flowchart............................................................................................ 3-9
3-9 Cannot Control USB Mouse Flowchart .................................................................................................... 3-10
3-10 Signal Waveforms of P501, P601, and P704 ............................................................................................ 3-11
SECTION 4 THEORY AND DIAGRAMS
4-1 Theory of Operation.................................................................................................................................... 4-1
4-2 Color Theory ............................................................................................................................................... 4-3
4-3 LCD Structure Theory ................................................................................................................................ 4-4
4-4 Lamp Theory............................................................................................................................................... 4-5
4-5 Optical System Layout................................................................................................................................ 4-6
4-6 Block Diagram ............................................................................................................................................ 4-7
4-7 Main PWB Wiring Diagram ....................................................................................................................... 4-8
4-8 Optical Unit Wiring Diagram...................................................................................................................... 4-9
Copyright © 2000, 3M IPC. All Rights Reserved.
i





@ 2014 :: Datasheetspdf.com :: Semiconductors datasheet search & download site (Privacy Policy & Contact)