Canon EOS 50 E - Page 107

Part 3: Repair Information
I NOTE ■ : Main Flex Removal
The main flex can be removed with the AF Unit attached, or after the AF Unit is
removed. This procedure is with the AF Unit attached.
1. Unsolder the AF Unit comb connector.
2. Remove the Phase Circuit Board connecting flex.
3. Unsolder the MIF Unit (Fig. 3-20).
Remove the filter coil leads from the MIF unit (Fig. 3-20).
4. Unsolder the AF-Illuminator LED (Fig. 3-19).
5. Remove five leads from the upper part of the main flex.
6. Unsolder the SI-LED connections (Fig. 3-19).
7. Remove four leads from the Panorama LED.
8. Remove two screws from the MIF Unit, and push the MIF unit out of the lens mount
as far as possible.
9. Remove two screws from the TTI. flash sensor, sliding it sideways and pulling it out.
•: When reinstalling the TTI. flash sensor, do not pinch the AF Units light shield sheet.
*: If the AF Unit is removed prior to removing the main flex, step 8. is not necessary.
I NOTE ■ : DC/DC flex Removal
1. Unsolder the red MIF-SW lead (Fig. 3-21).
2. Unsolder the black LENS-GND lead.
3. Unsolder the mount lug.
Black (GND-LENS
Fig. 3-21 DC/DC Flex
3-16