Canon EOS EOS 7, Service Manual

Page: 182 / 271

1.17 I
NHIBIT
V
OLTAGE
A
DJUSTMENT
This adjustment must be carried out if the main flex unit has been replaced.
P
URPOSE
:
To ensure the operational accuracy of individual parts of the camera by setting the
minimum voltage for camera operation.
S
TANDARD
:
Full display 5.25 V ± 0.15 V
Flashing display 4.70 V ± 0.15 V
Release inhibit
4.40 V ± 0.1 V
T
OOLS
:
DC power supply
Tool battery (CY9-7091-001)
Adjustment software work disk
Tester
P
REPARATIONS
:
Start the adjustment software and select [F5] Inhibit Voltage Adjustment in the Main
menu.
A
DJUSTMENT
:
1) Adjust the supply voltage to the value
indicated on the screen, and press the
RETURN key.
2) When communications ends, the
screen on the right appears. Press the
release button to check that shutter
release is inhibited.
Part 4: Electrical Adjustment
4-34
INHN
Inhibit Voltage Adjustment
4.40V
Use the tool battery
and set the constant voltage power souse to 4.50v
Press RETURN key.
To return to the Main Menu,
press the SPACE BAR.
INHCHK
If NG, press the SPACE bar
and do the adjustment again
Make a battery check and check the display.
If OK, press RETURN.
Inhibit Voltage
Adjustment
Full to Half lit:
Half lit to Blink:
Release Inhibit:
5.25v
4.70v
4.40v