Canon S230 2.2 Signal Processing

2-3

CHAPTER 2. TECHNICAL DESCRIPTION

2.2 Signal Processing

Fig. 3 Signal System Block Diagram

2.2.1 System Control

The CPU on the main PCB ass’y controls the EF lens (motor, shutter), operation switch receiver, USB

communication and flowing circuits.

•TG: Creation of the CCD drive pulse

•CDS, A/D: CCD signal processing and conversion of the digital data

•LCD Driver: Driving the LCD

•FLASH MEMORY: Firmware memory

•DSP: Picture processing

•RTC: Clock count for watch

•AF Support LED: AF auxiliary, self-timer and red-eye protection also serves as a lamp

•Electric Flash: Flash and charging circuit

CDS, A/D

LCD

Driver

CCD

Sensor

Drive

Pulse

HD, VD

CLK

EF LENS Motor

Driver

AF Support LED

FINDER LED

Electric FLASH

CF card

LCD

Video

Amp

RTC

MIC

FLASH MEMORY

AUDIO AMP

DSP

CPU

DIAL

KEY

MAIN PCB ASS'Y

SDRAM

USB

VIDEO OUT

AUDIO OUT

Contents

Main Page SAFETY PRECAUTIONS Page CHAPTER 1. GENERAL DESCRIPTION OF PRODUCT Page 1-1 1 Development Background + Stylish & Convenient High grade design / Ultra compact Full Features / Operation Ease 1-2 System accessories / Application software 1-3 High Image Quality 1-4 1-5 1-4 Spec. Comparison between IXY Digital 320 and IXY Digital 200a IXY DIGITAL 3 20 IXY DIGITAL 2 00a Page 1-7 1-8 1-9 1-10 1-11 ZoomBrowser RemoteCapture (ImageBrowser) PhotoStitch PhotoRecord File Viewer Utility PhotoStudio/VideoImpression Page 1-13 1-14 1-15 Page 1-17 3-2 6-dimensional diagram 1-18 3-3 Nomenclature 1-19 3-4 UI Information 1-20 -Setting the Printing Area (Trimming) DISP -Editing Movies SET SET 1-21 4 Specifications 1-22 1-23 1-24 1-25 1-26 1-27 1-28 Page 1-30 1-31 IXY DIGITAL 320 supports 3200(H) x 2400(V) pixels. zReplay compatibility Replay cameras 1-32 4-2 System Requirements 1-33 5 System 5-1 Accessories Compatibility 1-34 1-35 5-2 System diagram USB Port e Supplied with Camera VS 1-37 High speed and high precision AF, AE and AWB AF Page CHAPTER 2. TECHNICAL DESCRIPTION Page 2-1 1. Functions of each unit Fig. 1 1.1 MAIN PCB ASSY 1.2 FLASH/DC UNIT MAIN PCB ASSY FLASH/DC UNIT 2. Outline of Circuits Fig. 2 Power System Block Diagram 2.1 Power Supply Control The power supply is controlled by the CPU mounted on the MAIN PCB ASSY. 2.1.1 Power Supply Block Diagram 2.2 Signal Processing Fig. 3 Signal System Block Diagram 2.2.1 System Control MAIN PCB ASS'Y 2-4 2.2.2 Picture Processing 2.2.3 Audio Processing (During record and playback) 2-5 3. Troubleshooting 3.1 When an Error Code is Displayed 2-6 2-7 3.2 When a Problem Occurs Page CHAPTER 3. REPAIR INSTRUCTION Page 3-1 Fig. 3-1 Precaution on flash high tension circuit 1. Before Starting the Repair Work FLASH UNIT 1.1 Precaution on Flash High Tension Circuit + 1.2 List of Supplies 1.3 Flexible Connectors 3 Type C 4 Type D Fig. 3-2 Flexible connectors Fig. 3-3 Holes for removal 2. Disassembly/Assembly 2.1 Procedure CAUTION 3-4 Fig. 3-4 REAR COVER UNIT, CF COVER 2.2 REAR COVER UNIT, CF COVER CAUTION 2.3 FRONT COVER UNIT 3-6 Fig. 3-6 SHUTTER BUTTON UNIT 2.4 SHUTTER BUTTON UNIT 3-7 Fig. 3-7 SHIELD SHEET, MAIN PCB ASSY 2.5 SHIELD SHEET, MAIN PCB ASSY NOTE (Assembling) 3-8 Fig. 3-8 LITHIUM BATTERY (2ND), MICROPHONE UNIT 2.6 LITHIUM BATTERY (2ND), MICROPHONE UNIT 3-9 Fig. 3-9 BATTERY LOCK, BATTERY COVER 2.7 BATTERY LOCK, BATTERY COVER 3-10 Fig. 3-10 OPERATION KEY UNIT, TRIPOD SOCKET 2.8 OPERATION KEY UNIT, TRIPOD SOCKET 3-11 Fig. 3-11 LCD PANEL, BACKLIGHT UNIT 2.9 LCD PANEL, BACK LIGHT UNIT 3-12 Fig. 3-12 OPERATION PLATE, BATTERY BOX UNIT, CF UNIT NOTE1 (Assembling) 2.10 OPERATION PLATE, BATTERY BOX UNIT, CF UNIT 3-13 Fig. 3-13 OPTICAL UNIT, FINDER UNIT 2.11 OPTICAL UNIT, FINDER UNIT 3-14 Fig. 3-14 Assembling the FINDER UNIT 2.12 Assembling the FINDER UNIT 3-15 Fig. 3-15 OPTICAL UNIT NOTE2 (Assembling) 2.13 OPTICAL UNIT 3-16 Fig. 3-16 FLASH/DC UNIT, FLASH UNIT, ELECT CAPACITOR Attach the DIABOND. 2.14 FLASH/DC UNIT, FLASH UNIT, ELECT CAPACITOR (1) FLASH/DC UNIT 1. Remove the screw of h and two screws of l. 2. Remove the FLASH/DC UNIT. 3-17 2.15 Screw List o k n h 3. Adjustments 3.1 Replacement Parts and Adjustment Items 3-19 3.2 Adjustment Tools The following tools are required for electrical adjustment. 3.3 Before Starting Electrical Adjustments Page 3-22 3.3.3 Preparation 3-23 3.3.4 Starting up the Adjustment Software 3.3.5 Menu Window 3.3.6 How to Use the Adjustment Software 3-24 3.4 Calibration 3.4.1 Calibration 3-25 3-26 3-27 Page 3-29 3.5 Adjustment Procedure 3.5.1 CCD Adjustment Page 3-31 3.5.2 Optical Unit Adjustment Page 3-33 3.5.3 Imaging Process Adjustment 3-34 Page 3-36 3.5.4 Color Adjustment 3-37 3-38 3.5.5 Pixel Dot Adjustment Page 3-40 3.5.6 Flash Adjustment Page Page CHAPTER 4. PARTS CATALOG Page Pg1 Casing Parts Pg1 Internal Parts-1 Page Internal Parts-2 Pg3 OPTICAL UNIT Page N.Sl : N.S Stand for No Stock (Product available) Accessories-1 Page Pg6 N.Sl : N.S Stand for No Stock (Product available) Accessories-2 Waterproof Case WP-DC 600 Waterproof Seal Silicone Grease Anti-Condensation Solution Neck Strap Wrist Strap Diffusion Plate Unit Page Accessories-3 Pg7 Service Tools Page CHAPTER 5. DIAGRAMS Page 1. INTERCONNECTION DIAGRAM CN1901 CN1004 BATTERY BOX UNIT MIC FLASH FLASH/DC UNIT CONNECTORS CN1002 CN1003 CN1004 CN1005 2. BLOCK DIAGRAMS 2.1 OVERALL RLS FPC CCD FPC BATTERY BOX UNIT 2.2 MAIN PCB ASSY (1/3) MAIN PCB ASSY (1/3) L1304 TG_HD OPTICAL UNIT 1/2 2.3 MAIN PCB ASSY (2/3) MAIN PCB ASS Y (2/3) OPTICAL UNIT 2/2 DATA COMMUNICATION ANALOG AUDIO SIGNAL 2.4 MAIN PCB ASSY (3/3) MAIN PCB ASSY (3/3) (OPR FPC) BATTERY BOX RLS FPC FLASH/DC UNIT D104 C132 C121 C120 2.6 Abbreviation in Block Diagrams Page Page Page Page Page Page How to print out the Zoom/AF Chart Page Page Page Dimensions