Canon EOS EOS 7, Service Manual

Page: 87 / 271

1.9 I
NTERNAL
C
ONSTRUCTION
(1) Covers
The camera’s covers consist mainly of the top
cover, bottom cover, front cover, camera back, and
grip. The top, front, and flash head covers have a
double-walled construction with 0.8mm-thick
aluminum on the outside and an inner cover made
of engineering plastic. The aluminum covers have a
black alumite finish.
(2) Internal construction and components
The camera body and front cover are made of
engineering plastic which boasts high strength and
precision. The major components are housed
within. Figure 2-23 shows the location of the main
components, and Table 2-10 lists the parts count.
Part 2: Technical Information
2-20
Hot shoe
Metering sensor
Pentaprism
Viewfinder LCD
Eye Control detection sensor
Focusing screen
Command Dial
Main reflex mirror
Secondary mirror
Two-point vertical SI unit
Film rewind mechanism
Electronic mount and information transmission signal contacts
AF unit
M2
Shutter speed
control mechanism
M1
Lithium CR123A
batteries
Main capacitor
Main Dial
LCD panel
Five-point horizontal SI unit
Flash pop-up mechanism
Built-in flash unit
DX code detector
TTL autoflash sensor
Quick-Return mirror
driving mechanism
Fig. 2-23 Location of Major Components
Table 2-10 Parts Count
Top cover
Flash cover
Top cover
Front cover
Fig. 2-22 Covers
Part
Electrical Parts
Mounted Components
Mechanical Parts
Screws & Washers
Optical Elements
Total
Official Total
EOS ELAN 7 E DATE
EOS 30 E DATE
260
77
330
147
21
835
688
EOS ELAN 7 E
EOS 30
257
73
311
145
21
807
662
EOS ELAN 7 DATE
EOS 33 DATE
251
77
322
147
19
816
669
EOS ELAN 7
EOS 33
248
73
303
145
19
788
643
●
The shutter, pressure plate, M1, and M2 all count as one part each.
●
The official total does not include the number of screws and washers.