Canon Ixy Digital 90, Service Manual

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4
1
2
Procedure/Check point Conceivable cause
Remove the front cover and the rear cover.
Check whether the BATTERY COVER
open/close detection switch on the MAIN PCB
ASS’Y is broken.
2.3.2 If the Flash does not Work
2.3.3 If the LCD Display is Abnormal
2.3 Simplified Troubleshooting
[Remedy]
•
Check for any abnormalities in the mounting of probable faulty parts or connector connections referring to the table below.
•
Try replacing probable faulty parts referring to the table below.
[NOTE]
•
Adjustments must be performed after parts are replaced. For details, see the "Adjustments" chapter.
2.3.1 If the Power cannot be Turned On
Procedure/Check point
1
Conceivable cause
Remove the front cover and the rear cover.
Reinsert the flexible board that connects
MAIN PCB ASS’Y and FLASH UNIT.
2
If the flash operates properly after reinsertion, the flexible
board connection is defective.
1
2
Procedure/Check point Conceivable cause
Turn the power on.
Enter the shooting mode (with LCD display ON),
and check the display on the LCD.
When the entire display is white:
•
LCD PANEL is defective (flexible board is broken, etc.).
•
Defective connection between the flexible board of the
LCD PANEL and the connector of the PCB.
•
MAIN PCB is defective.
When the display is faint:
•
BACK LIGHT UNIT is defective (flexible board is broken,
etc.).
When no image is displayed although the menu screen is
displayed:
•
OPTICAL UNIT is defective (the shutter of the lens block
is not open, etc.).