Simplified Troubleshooting; If The Power Cannot Be Turned On - Canon PowerShot G11 Service Manual

3.3 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 software.

3.3.1 If the Power cannot be Turned On

Procedure/Check point
1 Check the fuse (FU402) conduction.
FUSE
FU401
BATTERY FPC ASS'Y
2 Check whether the BATTERY COVER
open/close detection switch on
the MAIN PCB ASS'Y is broken.
MAIN PCB ASS'Y
(SECONDARY SIDE)
FUSE
FU402
(PRIMARY SIDE)
DETECT SWITCH
Conceivable cause
If electrical conduction is not found:
• The fuse (FU402) is blown.
If electrical conduction is found:
• Check the STEP 2.
If electrical conduction is broken:
• the MAIN PCB ASS'Y may be defective.
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