Canon EOS 40D Service Manual page 93

<Reassembly Cautions>
１） DC/DC PCB Ass'y Reassembly
⑴ W hen installing the SI FPC ass'y and AE FPC ass'y, run the FPC through the guide and
route it as shown in the image below.
２） Mirror Box Ass'y Reassembly
⑴ W hen installing the mirror box ass'y, route the lead wire as shown in the image below
and attach the insulation tape.
W hen replacing the mirror box ass'y with the service parts, be sure
CAUTION 2
to remove the dummy parts (SI indication plate and focusing screen
plate) incorporated.
Run lead wire along the groove from
the back of the mirror box ass'y.
Fig. 065 Routing the Lead Wire of the
Mirror Box Ass'y
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Run FPC along the guide.
Under Over
Fig. 064 Routing FPC of DC/DC PCB Ass'y
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Repair Information
Fig. 066 Position of Mirror Box Ass'y
Insulation Tape