Electrical Adjustments; Introduction; Adjustments After Parts Replacement - Canon EOS 55 Service Manual

Part 3: Repair Information
4. ELECTRICAL ADJUSTMENTS
4.1
INTRODUCTION
Shutter adjustment:
SPD positioning:
AE accuracy adjustment:
AE shift:
AF basic adjustment:
AF focus adjustment:
Sensor data output:
Focus data output:
AF focus shift:
Flash adjustment:
Inhibit voltage adjustment:
ECF Adjustment
Self check:
Data transfer:
Temperature correction:
Adjusting shutter speeds.
Positioning ICl (AE IC).
Adjusting data output of ICl (AE IC).
Shifting automatic exposure level at user request.
Adjusting data output of BASIS.
Adjusting focus data from data output of BASIS.
Displays data output from BASIS to check AF accuracy.
Displays focus data to check AF accuracy.
Correcting rare slight AF focus errors resulting from use
of a lens with shallow depth of focus (EF50mm f/LCL,
EF 85mm f/12L, or EF 135mm f /2.8SF).
Adjusting the data output of the flash sensor.
Adjusting inhibit voltage for the camera.
Adjusting the Eye-controlled Focus (ECF)
Checking the switches and LCDs.
Initializing, storing, or transferring camera data, and
resetting counter when necessary ..
Correcting data output of the temperature sensor.
4.2
ADJUSTMENTS AFTER PARTS REPLACEMENT
~ t
Rp
AE
Main flex
(Data not readable)
Main flex
(Data readable)
AF unit
Shutter unit
Mirror Unit
ECF Eyepiece Unit
Table 3-2 ADJUSTMENTS after PARTS REPLACEMENT
Initial- Temperature Inhibit
AE AF
Shutter
ization correction
voltage
SPD Accuracy
Shift
Accuracy Focus
(i)
@
...
(i)
@
@
@
@
®
...
® @
(i) @
@
@
(i)
@
(i)
(i) @
NOTES: • The numbers indicate the order of adjustment.
• The items marked A in the above table are optional.
• Inhibit voltage and temperature compensation adjustments
must be performed immediately after initialization.
3-35
Flash ECF
Focus shift
OTF
® @
@
(i)