Canon PowerShot S230 Service Manual page 45

CHAPTER 2. TECHNICAL DESCRIPTION
CONTENTS
1. Functions of each unit
1.1 MAIN PCB ASS'Y --------------------------------------------------------------------------------------------------------- 2-1
1.2 FLASH/DC 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 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 (During record and playback) -------------------------------------------------------------- 2-4
3. Troubleshooting
3.1 When an Error Code is Displayed ---------------------------------------------------------------------------------------- 2-5
3.2 When a Problem Occurs ---------------------------------------------------------------------------------------------------- 2-7