Repair Preparations; Bleed The Main Capacitor; Flash Charging Inhibit Mode - Canon EOS 7 Service Manual

1. REPAIR PREPARATIONS

IMPORTANT! R
1.1 B M
LEED THE AIN
• As soon as you remove the front cover, be sure to drain the main capacitor with a
bleeder resistor of around 500 ohms, 10 W.
• The flash bleed points are at the soldered parts of XE-P (red) on the viewfinder flex
(EYE model) or VIA flex (NON-EYE model), and TRG-G (blue). See the figure below.
CAUTION
• Beware that it is a high-voltage circuit and prevent electrical shock.
Top flex
1.2 F C
LASH HARGING
You can use the adjustment software to set the camera to the flash charging inhibit
mode.
Flash charging inhibit mode setting
procedure:
Main menu → Self-Check menu → Select
Flash Charging Inhibit.
The screen on the right will then appear with
the flash inhibit mode set. The adjustment
software will exit automatically.
To cancel, select Flash Charging Inhibit again
or select Exit on the Main menu.
EAD THIS BEFORE STARTING REPAIR
C
APACITOR
Fig. 3-1 Bleed points
I M
NHIBIT ODE
To return to the Self-Check menu, press the space bar.
3-1
Part 3: Repair Information
Red (XE-P)
Blue (TRIG-G)
Finder flex (EYE)
VIA flex (NON-EYE)
FLASH_D
Flash Charging Inhibit
This sets the flash charging inhibit mode.
After the flash charging inhibit mode is set,
the adjustment software will exit automatically.
Before returning the camera to the user, be sure
to cancel the flash charging inhibit mode.
To cancel the flash charging inhibit mode, select
Flash Charging Inhibit again or select Exit
on the Main menu.
Press Return to set the flash charging inhibit mode.
Fig. 3-2 Flash charging inhibit screen