Canon PowerShot G5 Service Manual - Page 38
Technical Description, Contents
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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 EF FPC 2-1 1.6 STJ PCB ASS'Y 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
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
EF FPC
----------------------------------------------------------------------------------------------------------------------- 2-1
1.6
STJ PCB ASS’Y
------------------------------------------------------------------------------------------------------------ 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
CHAPTER 2. TECHNICAL DESCRIPTION
CONTENTS