3M
Overhead Projector 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
5
3
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: 1-800-650-9268
Telephone: 1-800-650-8429
