
Part2. Technical Information
1.TECHNICAL DESCRIPTION (OPTO-MECHANICAL)
.........
2-1
1
.1
Eye-controlled Autofocus . . . . . . . . . . . . . . . . . . . . . . . .
.2-1
1.2 Autofocus System . . . . . . . . . . .
....................
2-5
1.3 Exposure Control System . . . . . . .
...................
2-9
1.4 Film Transport
...................................
2-13
1.5 Built-in Flash
....................................
2-16
1.6 E-TTL Flash System
..............................
2-17
2.
CIRCUIT EXPLANATIONS
............................
2-26
2.1
Overall Operation
................................
2-26
2.2 Electronic Circuitry and Power Supply
................
2-29
2.3 Power Distribution
...............................
2-32
2.4 Battery Installation
................................
2-33
2.5 Battery Check
...................................
2-34
2.6 Autoloading
....................................
2-35
2.7 Light Metering
...................................
2-36
2.8 Autofocus Ranging
...............................
2-37
2.9 Shutter Release
.................................
2-38
2.10 Built-in Flash
...................................
2-39
2.11
FP
Sync (with Speedlite 380 EX)
...................
2-40
2.12 Film Winding
...................................
2-41
2.13 Film Rewinding
................................
·.2-41
3.
SWITCH NOMENCLATURE AND FUNCTION
............
2-42
4.
IC
PIN DESCRIPTIONS
..............................
2-43
Part
3.
RepairInformation
___________
_
1.
REPAIR PREPARATIONS
.............................
3-1
1
.1
Bleed the Main Capacitor
...........................
3-1
1.2 Operations with
Top
Cover Removed
..................
3-1
1.3 Current Consumption
..............................
3-2
1.4 Tools and Expendables
............................
3-3
1.5 Locally Fabricated Tools
............................
3-4
2.
ASSEMBLY AND DISASSEMBLY
.......................
3-8
2.1
External Cover Removal
...........................
3-8
2.2 Mirror Box Unit Removal
...........................
3-10
2.3 Main Flex Unit Removal
...........................
3-14
2.4 Mirror Box Disassembly-1
..........................
3-18
2.5 Mirror Box Disassembly-2
..........................
3-20
2.6 Body Disassembly-1
..............................
3-22
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