When A Problem Occurs - Canon PowerShot S400 Service Manual

3.2 When a Problem Occurs

[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 the part has been replaced. For details, see the chapter of
"Adjustments".
Problem (when an error code is not displayed)
The camera does not work.
The image is not displayed on the LCD Monitor.
The photograph image is abnormal.
The zoom does not function.
The Built-in Flash does not fire.
Video output is strange.
Communications with the personal computer is not possible.
The CF card or Micro Drives is not recognized.
Buttons/The Mode dial do not work.
CHAPTER 2. TECHNICAL DESCRIPTION
Cause and Probable Faulty Part
MAIN PCB ASS'Y
FLASH/BASE UNIT
BATTERY BOX UNIT
MAIN PCB ASS'Y
LCD PANEL
BACK LIGHT UNIT
OPTICAL UNIT
MAIN PCB ASS'Y
OPTICAL UNIT
MAIN PCB ASS'Y
BATTERY BOX UNIT
FLASH/BASE UNIT
MAIN PCB ASS'Y
MAIN PCB ASS'Y
CF CARD
MAIN PCB ASS'Y
OPERATION KEY UNIT
RLS FPC
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