Canon C12-8453, Service Manual

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<D
ISASSEMBLY
P
ROCEDURE
>
(1) Removing the front cover
1. Remove the five screws on the front cover.
2. Loosen the two screws on the camera back latch cover.
(2) Removing the grip
1. Remove the remote control cap.
2. Remove the four screws (two on mount, two on hinge cover).
3. During removal, be careful not to break the hooks clinging to the top cover.
(3) Removing the top cover
1. Remove the five screws on the top
cover (one on the right side, four on
the back).
2. Bleed the main capacitor.
3. Disconnect the seven lead wires from
the top cover and the TOP flex from
its connector.
(4) Remove the camera back switch rubber.
(5) Remove the hinge cover.
(6) Remove the bottom cover (removal not necessary when the front panel unit is
removed).
1. Seven screws
<R
EASSEMBLY
N
OTES
>
1. Make sure the soldering is not short-circuited.
2. Make sure no lead wires protrude outside or get caught between the cover edges.
3. Top cover reassembly
• Make sure the flex is securely connected to the TOP flex connector.
• Remove or raise the AF button and AE lock button so it does not contact the camera
back switch rubber. (Otherwise, the button will not work properly.)
• Installing the dioptric adjustment dial
1) Look at the viewfinder unit’s gear from the camera back and place the dial against
it in the counterclockwise direction.
2) Look at the top cover’s dioptric adjustment dial from the rear and push it in the
clockwise direction.
3) Install the top cover and check the operation of the dioptric adjustment dial.
Part 3: Repair Information
3-9
: Bleeding the main capacitor
After removing the top cover
unit, be sure to drain the
main capacitor. (Drain from
the red and blue lead wires
shown in Fig. 3-12.)
1
CAUTION
Fig. 3-12 Top cover lead wires
X-GND (Brown)
P-GND (Pink)
Top flex
X (Yellow)
Bleed points
XE-M (Black)
XE-P (Red)
TRG-C (White)
TRG-G (Blue)
Finder flex