3M 2770 Setup guide

Printed in U.S.A.
Copyright 2000, 3M IPC. All Rights Reserved
3/00 78-6970-6988-4 Rev. D
3M Visual Systems Division
6801 River Place Boulevard
Austin, Texas 78726-9000
2770 Overhead Projector
Illustrated Parts Breakdown
.

3MOverheadProjector 2770 Illustrated Parts Breakdown
i3M 2000
Introduction
This Illustrated Parts Breakdown (IPB) contains the
information necessary to locate and identify specific
parts of the 2770 Overhead Projector.
Part Numbers
All components available on a replacement basis are
listed with their 3M identification number. The parts
identification list opposite each illustration provides
the description adequate to identify components.
Locating and Identifying a Part
If physical appearance and general location of an item
are known:
1.Use the Overview illustration to determine which
section includes the item.
2.Refer to the section and locate the item on the
exploded view illustration.
The part identification numbers provided in this
manual are from the most current data available.
Make sure part identification numbers for your
component have not been amended by changes and
updates made to your 2770 Overhead Projector.
Machine Identification Plate
The Machine Identification Plate is located on the
bottom side of each projector and lists specific
information that is needed when calling for technical
assistance or ordering parts.
A4
3M 2770 OVERHEAD PROJECTOR
MODEL 2770AJB
480
750737
2
1
4
53
Figure 1-1.Machine Identification Plate
When ordering parts, include part identification
number, description, quantity and the following
information:
1.Product Name: The specific version number of
the projector.
2.Model Number/Alpha Code: The series number of
the projector followed by a three or four character
alpha code identifier. The Alpha Code indicates
the design level, specific product characteristics,
power cord or distribution specific to a country.
3.MFG Code: The MFG Code indicates the year
and quarter the projector was built. See example
below:
MFG Code
Letter Digit
L 1992 1 Jan – Mar
M 1993 2 Apr – Jun
A 1994 3 Jul – Sep
C 1995 4 Oct – Dec
D 1996 1 Jan – Mar
4.Lamp: The electrical rating of the lamp.
5.S/N: The serial number assigned to this projector.
For part orders contact:
Dealers: Refer to Dealers Guide
3M Subsidiaries: Contact Export Operations
Retail Customers:
FAX: [phone]
Telephone: [phone]

3MOverheadProjector 2770 Illustrated Parts Breakdown
13M 2000
Table of Contents
Section No. Title Page
Quick Reference Parts Index 2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
0Overview 4. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. . . . . . . . . . . .
1Base Assembly 5. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. . . . . . .
2Head Assembly 8. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. . . . . . .
3FNT Dual Lamp Assembly 11. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
4ENX Single Lamp Assembly 13. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
5ENX Dual Lamp Assembly 15. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
6FSX/FSY Single Lamp Assembly 17. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
7Base Labels19. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. . . . . . . .
8Wire Jumpers 21. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. . . . . . . .
Appendix A Specifications 23. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
IMPORTANT NOTICE
3M reserves the right to sell or furnish NEW OR RECONDITIONED PARTS.
New and reconditioned parts are covered by the same 3M new parts limited warranty.

3MäOverheadProjector2770IllustratedPartsBreakdown
2ã3M2000
QuickReference Parts Index
SectionItem
DescriptionPartNumber No. No.
BLADE,Fan,CW, .181 Bore(All versionsexcept2770 AHCS,AHCA,AHCU,
AHCZ,AHCN,AHCR,AHCHand AHDU)78-8065-8400-5 2 5A................................. .. ....
BLADE,Fan,CCW, .181 Bore(2770 AHCS,AHCA,AHCU,AHCZ,AHCN,
AHCR,AHCHand AHDU)78-8065-8441-9 2 5B.............................................. .. ....
COVER,Base(All versionsexceptXerox)78-8065-8159-7 1 26A.................................... .. ...
COVER,Base(Xerox)78-8065-8521-8 1 26B.................................................... .. ...
COVER,Travel78-8065-8362-7 1 67A.......................................................... .. ...
COVER,Travel,(Xerox)78-8065-8510-1 1 67B................................................... .. ...
DIODEASSEMBLY,Surface Mount78-8073-7317-6 1 44......................................... .. .....
FOOT,2770 78-8065-8117-5 1 60............................................................. .. .....
FRESNEL LENS,Reflective,10.5V,176.2MM FL(2770 ABJand AABD)78-8065-8250-4 1 61A.......... .. ...
FRESNEL LENS,Reflective,A4V,176.2MM FL78-8065-8539-0 1 61B............................... .. ...
KNOB,Lampchanger (All dual lamp versions)78-8065-8119-1 2 20................................. .. .....
LAMPMOUNT,Single,ENX 78-8065-8104-3 4 19.............................................. .. .....
LAMP,Projection,EPW,360W,100V,Single(2770 ABBJ)78-8099-9032-4 4 20A....................... .. ...
LAMP,Projection,EPW,360W,82V,Single(2770 ABJ,AABDand AABT)78-8099-9031-6 4 20B......... .. ...
LAMPHOLDER,Dual,ENX 78-8065-8161-3 5 29............................................... .. .....
LAMP,Projection,EPW,360W,100V,Dual(2770 ABBJ)78-8099-9032-4 5 2A........................ .. ....
LAMP,Projection,EPW,360W,82V,Dual(2770 ABJ,AABDand AABT)78-8099-9031-6 5 2B.......... .. ....
LAMP,Projection,FSX,400W,230V(2770 AHCSand AHCZ)78-8099-9036-5 6 18A................... .. ...
LAMP,Projection,FSY,400W,240V,(2770 AHCA,AHCU,AHCN,
AHCR and AHDU)78-8099-9037-3 6 18B.................................................... .. ...
LAMP,Projection,FSX,400W,220V(2770 AHCH)78-8099-9041-5 6 18C............................ .. ...
LENS,Varifocal78-8073-3296-6 2 44.......................................................... .. .....
LENS,Condenser (FNTDual)78-8065-8599-4 3 33.............................................. .. .....
LENS,Condenser (FSX/FSYSingle)78-8012-7827-2 6 5......................................... .. ......
LINK,Control78-8065-8594-5 1 1........................................................... .. ......
MIRROR,Imaging 78-8065-8315-5 2 29....................................................... .. .....
MOTOR,100V(2770 ABBJ)78-8065-8235-5 2 4A............................................... .. ....
MOTOR,120V(2770 ABJ,AABDand AABT)78-8065-8236-3 2 4B................................ .. ....
MOTOR,FSX/FSY,230V(2770 AHCS,AHCA,AHCU,AHCZ,AHCN,AHCR,
AHCHand AHDU)78-8065-8440-1 2 4C.................................................... .. ....
MOTOR,FNT,Long Lead,230V(2770 AHBS,AHBA,AHBU,AHBZ,AHBN,
AHBR,AHBH,AHBK,AHXS,AHXZ,AHXU,AHBC and AHEU)78-8065-8503-6 2 4D............. .. ....
MOUNT,Varifocal78-8065-8342-9 2 3....................................................... .. ......
POWER CORD,Italy,10’78-8065-8545-7 1 64A.................................................. .. ...
POWER CORD,U.S78-8065-8225-6 1 64B...................................................... .. ...
POWER CORD,Japan 78-8065-8278-5 1 64C.................................................... .. ...
POWER CORD,EuropeanStandard 78-8065-8223-1 1 64D.......................................... .. ...
POWER CORD,Australia78-8065-8221-5 1 64E.................................................. .. ....
POWER CORD,U.K.78-8065-8222-3 1 64F..................................................... .. ....
POWER CORD,Switzerland 78-8065-8220-7 1 64G............................................... .. ...

3MOverhead Projector 2770 Illustrated Parts Breakdown
3
3M 2000
Quick Reference Parts Index (Continued)
Section Item
Description Part Number No. No.
POWER CORD ASSEMBLY, S. Africa 78-8065-8280-1 1 64H. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
POWER CORD, 2 BLADE W/Ground, 10’ 78-8065-8559-8 1 64J. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
POWER SUPPLY, FNT, Regulated 78-8065-8505-1 1 56. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
RESISTOR, 1.2 Ohm 78-8073-7127-9 1 38. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
RESISTOR KIT, 127V 78-6969-7986-9 1 65. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
SHIELD, Lamp, Single, ENX 78-8065-8255-3 4 17. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
SOCKET, Lamp, Single, ENX 78-8065-8352-8 4 21. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
SHIELD, Lamp, Dual ENX 78-8065-8251-2 5 30. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
SOCKET, Lamp, Dual, ENX 78-8065-8352-8 5 22. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
SWITCH, Main 78-8065-8189-4 1 50. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
THERMOSTAT, Overheat, ENX, 300F (ENX) (2770 AJB, ABBJ, AABD and AABT) 78-8065-8406-2 2 17A. . . . . .
THERMOSTAT, Overheat (2770 AHCS, AHCA, AHCU, AHCZ, AHCN, AHCR,
AHCH and AHDU) 78-8065-8439-3 2 17B. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
THERMOSTAT, Overheat, 200F (2770 AHBS, AHBA, AHBU, AHBZ, AHBN,
AHBR, AHBH, AHBK, AHXZ, AHXU, AHBC and AHEU) 78-8065-8365-0 2 17C. . . . . . . . . . . . . . . . . . . . . . .

3MOverhead Projector 2770Illustrated Parts Breakdown
43M 2000
Section 0
OVERVIEW
Lamp Assemblies
(See Sections 3,
4, 5, and 6)
Head Assembly
(See Section 2)
Base Assembly
(See Section 1)
Wire Jumpers
(See Section 8)
Base Labels
(See Section 7)

3MäOverheadProjector2770 IllustratedPartsBreakdown
5
ã3M2000
Section1
BASEASSEMBLY
8910 6
11
6
12
2
3
4
5
6
7
1
35
45
46
47
38
39
40
41
43
33
34
32
30
29 28
2
22
21
20
18,27
17
16
15
14
13
37 36
23
24
25
26
54
53
55
52
51
61
63
48
49
42
50
64
62
60
59
58
46
56
31
65
44
66 67
19

3MäOverheadProjector2770IllustratedPartsBreakdown
6ã3M2000
Section1
BASEASSEMBLY
ItemNo. PartNumber DescriptionQty
1 78-8065-8594-5LINK,Control1......... ... ........................................................
2 26-1002-6210-9SCREW,Taptite,M4X10 3......... ... ...............................................
3 78-8065-8194-4COVER,Base,Front1......... ... ...................................................
4 78-8065-8131-6COVER,Post1......... ... .........................................................
5 78-8065-8210-8STOP,Link 1......... ... ...........................................................
6 26-1002-5747-1SCREW,Plastite,M3.2X6 4......... ... ..............................................
7 78-8065-8179-5ROLLER,Cam,Latching 1......... ... ................................................
8 78-8065-8181-1CHANNEL,Wire1......... ... ......................................................
9 78-8065-8174-6DISK,Clutch 1......... ... .........................................................
10 78-8065-8147-2POST,2770 1........ ... ...........................................................
11 78-8065-8130-8FILLER,Top Cover1........ ... ....................................................
12 78-8065-8155-5FOLLOWER,Cam1........ ... .....................................................
13 78-8065-8217-3SPRING,CamLatch 1........ ... ...................................................
14 78-8065-8152-2PIN,Pivot,Post1........ ... .......................................................
15 78-8065-8150-6CAM,Latching 1........ ... ........................................................
16 78-8065-8401-3SHIELD,Wire1........ ... ........................................................
17 26-1008-5598-5SCREW,Mach., M3.5X10,Bzn 1........ ... .........................................
18 78-8065-8444-3GUIDE,RearFlap 1........ ... .....................................................
19 DY-1120-0809-8NUT,Hex,M3.5X0.6,Stl., ZincPl2........ .. .......................................
20 78-8065-8154-8PIN,Pivot,Link 1........ ... .......................................................
21 78-8016-5853-1RING,Retaining,E--Ring 1........ ... ...............................................
22 78-8065-8378-3SLEEVE1........ ... .............................................................
23 78-8065-8493-0LABEL,M2770T(Japan)1........ ... ...............................................
24 78-8065-8482-3SHIELD,Resistor1........ ... ......................................................
25 78-8065-8532-5LABEL,On/Off (Korea)1........ ... ................................................
26A78-8065-8159-7COVER,Base(All versionsexceptXerox)1....... ... ..................................
26B78-8065-8521-8COVER,Base(Xerox)1....... ... ..................................................
27 78-8065-8445-0TAPE,RearFlap 1........ ... .......................................................
28 78-8065-8151-4SPRING,Latch 1........ ... ........................................................
29 78-8065-8149-8MOUNT,Post1........ ... .........................................................
30 26-1008-5201-6NUT,Lock,Hex,Flanged 1........ ... ...............................................
31 78-8065-8226-4INSULATOR,Kill Switch 1........ ... ...............................................
32 26-1002-5042-7SCREW,Taptite,4--40 X5/8 2........ ... .............................................
33 78-8065-8188-6SWITCH,Kill 1........ ... .........................................................
34 78-8065-8456-7SHIM,PostMount1........ ... .....................................................
35 26-1000-3213-0NUT,Lock,Hex,5/16--18 1........ ... ...............................................
36 78-8065-8153-0PIN,Pivot,Cam1........ ... .......................................................
37 78-8656-3993-0RING,Retaining,E--Ring 1........ ... ...............................................
38 78-8073-7127-9RESISTOR,1.2Ohm1........ ... ...................................................
39 26-1002-5258-9SCREW,Machine,4--40 X5/16 1........ ... ...........................................
40 78-8033-1666-6CLIP1........ ... ................................................................
41 78-8065-8481-5PLATE,ResistorMounting 1........ ... ..............................................
42 26-1008-5592-8SCREW,Taptite,M3.5X8 1........ ... ..............................................
43 Partofitem44 SCREW,Taptite,6--32 X1/2 1........ ... .............................................
44 78-8073-7317-6DIODEASSEMBLY,Surface Mount1........ ... ......................................
45 26-1002-5085-6SCREW,Taptite,4--40 X1/4 2........ ... .............................................
46 26-1005-9599-5FUSE,5Amp,5X20mm,Slow Acting 2........ ... ....................................
47 26-1005-6624-4FUSEHOLDER,Block,(Forsingle5X20mm fuse)1........ ... ..........................

3MOverhead Projector 2770 Illustrated Parts Breakdown
7
3M 2000
Section 1
BASE ASSEMBLY (Continued)
Item No. Part Number Description Qty
48 78-8073-7069-3 INSULATOR, Fuseholder 1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
49 78-8057-4184-6 LABEL, Fuse Replacement (5A) 1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
50 78-8065-8189-4 SWITCH, Main 1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
51A 26-1003-3716-6 SCREW, Plastite, 6–19 X 1 (2770 AJB, ABBJ, AHBA, AHBZ, AHBN,. . . . . . . . . . AHBR, AHBH, AABD, AHCA, AHCN, AHCR, AHBK, AABT and AHBC) 2. . .
51B 26-1008-5205-7 SCREW, Plastite, Torx, 6–19 X 1 (All versions except AJB, ABBJ, AHBA,. . . . . . . . . . AHBZ, AHBN, AHBR, AHBH, AABD, AHCA, AHCN, AHCR, AHBK,
AABT and AHBC) 2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
52 26-1011-9181-0 SCREW, Machine, M3.5 X 0.6 2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
53 DY-1160-2020-6 STRAIN RELIEF 1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
54 78-8065-8554-9 CORE, Toroidal 1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
55 26-1007-1061-0 SCREW, Taptite, M3.5 X 10 3. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
56 78-8065-8505-1 POWER SUPPLY, FNT, Regulated, 90–260 VAC 1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
57 Not Used. . . . . . . .
58 26-1005-5336-6 CLIP/CLAMP 1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
59A 78-8065-8489-8 BASE, Version 2.0 1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
59B 78-8065-8595-2 BASE, Version 3.0 1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
60 78-8065-8117-5 FOOT, 2770 4. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
61A 78-8065-8250-4 FRESNEL LENS, Reflective, 10.5 inch, 176.2mm FL (2770 ABJ and AABD) 1. . . . . . . . . . . . . .
61B 78-8065-8539-0 FRESNEL LENS, Reflective, A4V, 176.2mm FL (2770 ABBJ, AHBS, AHBA,. . . . . . . . . . AHBU, AHBZ, AHBN, AHBR, AHBH, AHBK, AHXS, AHXZ, AHXU,
AHBC, and AHEU) (2770 AHCS, AHCA, AHCU, AHCZ, AHCN, AHCR,
AHCH and AHDU) 1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
62 78-8065-8484-9 SCREW, Shoulder, Fresnel 4. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
63 78-8065-8485-6 CUSHION 4. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
64A 78-8065-8545-7 POWER CORD, Italy, 10’ 1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
64B 78-8065-8225-6 POWER CORD, U.S. 1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
64C 78-8065-8278-5 POWER CORD, Japan 1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
64D 78-8065-8223-1 POWER CORD, European Standard 1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
64E 78-8065-8221-5 POWER CORD, Australia 1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
64F 78-8065-8222-3 POWER CORD, U.K. 1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
64G 78-8065-8220-7 POWER CORD, Switzerland 1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
64H 78-8065-8280-1 POWER CORD ASSEMBLY, S. Africa 1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
64J 78-8065-8559-8 POWER CORD, 2 BLADE W/Ground, 10’ 1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
65 78-6969-7986-9 RESISTOR KIT, 127V 1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
66 78-8065-8261-1 POST AND CLUTCH ASSEMBLY (includes items 9 and 10) 1. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
67A 78-8065-8362-7 TRAVEL COVER 1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
67B 78-8065-8510-1 TRAVEL COVER (Xerox) 1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

3MOverhead Projector 2770Illustrated Parts Breakdown
83M 2000
Section 2
HEAD ASSEMBLY
20
21
22
18
9
812 13 14 15 16 17
24 25
27
31
32
34
33 8
35
36
3738
39
51
50 49
2
1
348
44
43
46
47
4
5
67
810
45
28
29
19
11
23
40, 41