Canon EOS 20D Service Manual page 122

<Disassembly Procedure>
1) Top cover ass'y removal
(1) Flash discharge
Attach the terminals of the discharge buzzer to
the 2 lands on the PCB and discharge the
capacitor completely.
(2) Lead wire removal
Unsolder the 4 lead wires including
the white and yellow twisted wire,
red and blue lead wires.
White
Red
Yellow
Blue
Fig. 031
(4) Top cover removal
•
Remove the 4 screws including the 1 on the front, the 1 on the top and the 2
on the back.
•
Remove the top cover.
Fig. 033
Fig. 035
Discharge positions
(3) Flex cable removal
Disconnect the 2 flex cable
connectors.
Fig. 034
Fig. 036
15
Repair Information
Fig. 030
Fig. 032