Table Of Contents - Canon PowerShot G2 Service Manual

CHAPTER 2. TECHNICAL DESCRIPTION
CONTENTS
1. Functions of each unit
1.1 MAIN PCB ASS'Y --------------------------------------------------------------------------------------------------------- 2-1
1.2 DC/DC CONVERTER PCB ASS'Y ------------------------------------------------------------------------------------- 2-1
1.3 LCD PCB ASS'Y ----------------------------------------------------------------------------------------------------------- 2-1
1.4 TOP MODULE UNIT ------------------------------------------------------------------------------------------------------ 2-1
1.5 BUTTON PCB ASS'Y ----------------------------------------------------------------------------------------------------- 2-1
1.6 FLASH UNIT ---------------------------------------------------------------------------------------------------------------- 2-1
2. Outline of Circuits
2.1 Power Supply Control ------------------------------------------------------------------------------------------------------ 2-2
2.1.1 Power Supply Block Diagram ----------------------------------------------------------------------------------- 2-2
2.1.2 Power Supply Control Sequence -------------------------------------------------------------------------------- 2-2
2.2 Signal Processing ------------------------------------------------------------------------------------------------------------ 2-3
2.2.1 System Control ----------------------------------------------------------------------------------------------------- 2-3
2.2.2 Picture Processing ------------------------------------------------------------------------------------------------- 2-4
2.2.3 Audio Processing (Recording and Playback Functions) ------------------------------------------------------ 2-4
3. Troubleshooting ------------------------------------------------------------------------------------------------------------------- 2-5
3.1 When an Error Code is Displayed ---------------------------------------------------------------------------------------- 2-5
3.2 When a Problem Occurs ---------------------------------------------------------------------------------------------------- 2-7