Canon EOS 20D Service Manual page 132

<Reassembly Cautions>
1) CF slot cover reassembly
Fit the screw holes of the flex cable and the
plate in place and attach the CF slot cover.
2) MD flex comb soldering
The comb part of the MD flex and the electronic dial contact are close together,
so cover up the electronic dial before soldering the comb part.
3) MD flex insulating tape application
Be sure to apply insulating tape to cover up
CAUTION
the lead wire on the MD flex.
4) Fuse positions within DC/DC
Check conductivity on both ends with a tester. Replace any non-conductive
fuses.
Fig. 076
1.6A Fuse
Fig. 079
25
Fig. 075
Protective cover
Fig. 077
3.0A Fuse
Repair Information
Insulating
tape
Fig. 078