Canon C12-8453, Service Manual

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1.5 S
HUTTER
A
DJUSTMENT
P
URPOSE
:
To adjust shutter speeds. If the maximum shutter speed is within the limits, all shutter
speeds have been adjusted.
S
TANDARD
:
At a shutter speed of 1/4000
Center value: 0.290 ms
Standard limits: 0.210 to 0.410 ms
T
OOLS
:
EF-8000/5000
EF 50 mm f/1.8 lens
Shutter sensor (for EF-8000/5000)
P
REPARATIONS
:
1) Mount the EF 50 mm f/1.8 lens on the camera as shown in the figure, and set the
EF-8000 to the shutter speed measurement mode.
2) Start up the adjustment software, connect the Multiple Tool II or HS-I/F, and select
[F1] Shutter Adjustment from the MAIN MENU.
Fig. 4-3 Shutter Adjustment
Part 4: Electrical Adjustment
4-7
EF-8000
Mount the lens (EF 50 mm, f/1.8)
• Check the shutter curtain speed. If it is not within the limits, the curtain
speed must be adjusted. It cannot be adjusted. If it is within the limits,
replace the shutter unit.
Curtain speed limits
First curtain travel time
4.8 ± 0.2 ms
Second curtain travel time 4.8 ± 0.2 ms
CAUTION