Inhibit Voltage Adjustment - Canon EOS 55 Service Manual

Part 3: Repair Information
4.15
INHIBIT VOLTAGE ADJUSTMENT
Inhibit voltage check must always be made when replacing the main flex.
PuRPOSE:
To insure the operating accuracy of individual parts of the camera by setting the
minimum voltage for camera operation.
TOOLS:
Personal computer
DC power supply
RS-232C cable HS-1/F
Tool battery (CY9- l 101-000)
Adjustment program (stored on a work disk)
EF50mm
f/18
production lens
Digital tester
PREPARATION:
Start adjustment program, connect the camera to the personal computer, and select
F5 Inhibit Voltage Adjustment on the menu screen.
Al>JuSTMENT:
1)
Set supply voltage as indicated on the
screen and press the Return key.
2) Check the inhibit voltage as indicated on
the screen starting with the highest volt-
age and work downward.
3-64
INHP
I
Inhibit Voltage
I
Adjustment
INH2
SET POWER SUPPLY
as
follows:
4.0V
After setting, press RETURN.
Press SPACE bar to return to
MAIN Menu screen.
I
Inhibit Level
Adjustment
I
\3.8 -uv\
Check voltage where shutter fails to fire.
This is the inhibit voltage.
If OK,
press
RETURN.
To readjust, press SPACE bar.