Canon EOS 20D Service Manual page 102

Technical Information
Dioptric adjustment mechanism
Flash pop-up mechanism
Red-eye reduction lamp
LCD panel
Main Dial
CF card slot
Drive motor
Quick Control Dial
Lithium ion battery
Shutter speed control
mechanism
Mirror-driving mechanism
Flash circuit board
External I/F
connection
circuit board
Flash circuit board
Flash capacitor
External I/F
connection
circuit board
Metering sensor
Hot shoe
Built-in flash unit
Beeper
Fig. 034 Location of major mechanical components
Fig. 035 Location of major circuit boards
Image sensor
Large color LCD
Fig. 036 Cross section at center
30
Horizontal 9-point SI unit
Pentaprism
IR sensor
Flash exposure sensor
Mode Dial
Viewfinder information LCD
Acrylic reflective plate
Focusing screen
Orientation detection sensor
PR sensor
Main mirror
Secondary mirror
Digital terminal
Flash main capacitor
Video OUT terminal
Remote control terminal
PC terminal
TFT display unit
Imaging element
Electronic mount contact pins
AF unit
Imaging element
Power supply circuit board
Camera control
circuit board
Digital control circuit board
Optical low-pass filter/Infrared cut filter
Digital board
Motor
Battery
CF card slot