Canon C12-8453, Service Manual

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1.10 Custom Functions .............................................................2-22
2. SWITCHES AND THEIR FUNCTIONS ....................................2-23
2.1 Operation Switches .............................................................2-23
2.2 Sensor Switches ................................................................2-24
3. ELECTRICAL COMPONENTS AND THEIR FUNCTIONS ......2-25
4. ERROR CODE DISPLAY .........................................................2-32
Part 3. Repair Information __________________________
1. REPAIR PREPARATIONS ........................................................3-1
1.1 Bleed the Main Capacitor...................................................3-1
1.2 Flash Charging Inhibit Mode ..............................................3-1
1.3 Cautions for Disassembly and Reassembly.......................3-2
1.4 Operation in No Top Cover Ass’y State..............................3-2
1.5 Temporary Treatment for Top Cover Ass’y Section ............3-2
1.6 Current Consumption Standards........................................3-3
1.7 Tools and Consumables.....................................................3-4
1.8 Locally Fabricated Tools.....................................................3-6
2. DISASSEMBLY AND REASSEMBLY .......................................3-8
2.1 Disassembly of External Covers ........................................3-8
2.2 Front Panel Unit Removal ..................................................3-10
2.3 Main Flex Unit Removal .....................................................3-14
2.4 Front Panel Unit Disassembly 1 .........................................3-16
2.5 Front Panel Unit Disassembly 2 .........................................3-18
2.6 Front Panel Unit Disassembly 3 .........................................3-20
2.7 Body Unit Disassembly 1 ...................................................3-22
2.8 Body Unit Disassembly 2 ...................................................3-23
2.9 Top Cover Unit Disassembly 1 ...........................................3-24
2.10 Top Cover Unit Disassembly 2 .........................................3-26
2.11 DSP Flex Unit Disassembly .............................................3-28
2.12 Viewfinder Unit Disassembly............................................3-29
2.13 Camera Back Unit Disassembly.......................................3-30
2.14 Shutter Unit Disassembly.................................................3-31
2.15 Film Transport Unit Disassembly......................................3-32
3. MECHANICAL ADJUSTMENTS ..............................................3-34
3.1 Secondary Mirror 40.5 deg. Angle Adjustment ..................3-34
3.2 AF Sensor Positioning (Horizontal) ....................................3-37
3.3 Flange Focal Distance Adjustment ....................................3-39
3.4 Viewfinder Focusing Adjustment ........................................3-42
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