Canon PowerShot G1 Manuale utente

SERVICE MANUAL

CANON DIGITAL CAMERA

GENERAL INFORMATION

REPAIR INFORMATION

PARTS CATALOG

ELECTRIC DIAGRAMS

Digital Imaging Products Service Dept.

ENGLISH EDITION

SERVICE

MANUAL

PowerShot G1 C83-1004

Application

This manual has been issued by Canon Inc. for qualified persons to learn technical theory,

and repair of products. This manual covers all localities where the products are sold. For

this reason, there may be information in this manual that does not apply to your locality.

Corrections

This manual may include typographical errors or technical inaccuracies due to

improvements or changes in the products. When changes occur in applicable products or in

the content of this manual, Canon will release service manual reports as the need arises. In

the event of major changes in the contents of this manual over a long or short period, Canon

may issue new editions of this manual.

The following paragraph does not apply to any countries where such provisions are

inconsistent with local law.

Trademarks

The product names and company names described in this manual are the registered

trademarks of the individual companies.

may not be copied, reproduced or translated into another language, in whole or in part,

without the written consent of Canon Inc..

CANON INC.

Digital Imaging Products Service Dept.

30-2, Shimomaruko 3-Chome, Ohta-ku,

Tokyo 146-8501, Japan

First published Oct. 2000

GENERAL

INFORMATION

1 Product Strategy..................................G1

1-1 Background to commerciarize..........G1

1-2 Product Objectives...........................G1

1-3 Product Concept ..............................G2

2 Overview .............................................G4

2-1 Features ..........................................G4

2-2 Design Concept .............................G15

3 Exterior .............................................. G16

3-1 External Photos .............................G16

3-2 6-dimensional Views ......................G17

3-3 Nomenclature and Functions .........G18

4 System ..............................................G20

4-1 Product Diagram ............................G20

4-2 Connection Diagram ......................G21

5 Specifications ....................................G22

5-1 Specifications.................................G22

5-2 System requirements ..................... G27

5-3 Main accessory specifications .......G30

6 Operation Procedures .......................G33

6-1 Operation Procedures.................... G33

1. Product Strategy

1-1 Background to commerciarize

The compact digital camera market got a big break and reached a major plateau with the emergence of 2-megapixel

models. The market is expected to henceforth divide into two major directions: High-end models with more pixels and

more sophisticated features, and popular models with around 2-megapixels and more refined features.

Meanwhile, the top-tier digital camera makers are offering a complete range from low-end to high-end models with short

product cycles. Their blanket strategy hinders Canon from catching up.

In order for Canon to join the top tier (in terms of market share) from the year 2000, it is essential for us to expand our

product line-up in the two directions described above to compete head-to-head with the other makers.

We have to incorporate specifications that would satisfy advanced amateurs such as SLR camera users who demand high

image quality and high-end features and commercial users who require pro-level specs. At the same time, we must in-

crease our market share in the market segment favoring flat-profile and ultra-compact models which have been Canon’s

specialty. In these ways, we must completely fend off rival companies.

Amid this market background, we developed the PowerShot G1, a 3-megapixel, full-featured camera with a 3x zoom lens

and high image quality.

1-2 Product Objectives

The PowerShot G1 has 3 megapixels which is expected to be the top pixel count for compact digital cameras in 2000.

With its high pixel count and many features, the G1 has been designed to be at the top of the high-end group of compact

digital cameras. It is a higher-levelmodel than the PowerShot S20. It is the start of a series of top pixel models to help

secure Canon’s market share in the high-end, compact digital camera market.

Even if the pixel race reaches the 4-megapixel level from 2001, the PowerShot G1 can still serve as the base model for

higher pixel models. This minimizes the development costs of future high-end models.

Canon Company O

Company F

High-pixel,

zoom model

High-pixel,compact,

singlefocal-length

model

Medium-pixel,

compact,

zoom model

Medium-pixel,

compact,single

focal-length model

High-pixel,

SLRmodel

High-pixel,

zoom model

Medium-pixel,

zoom model

High-pixel,compact,

singlefocal-length

model

Highzoomratio

and IS

Top-pixel and

full-featured

Ultra-compact

Flat-profile with

retractable lens,

stress-free

Standard compact model

Medium-pixel,

compact,

singlefocal-length

model

High-end model

Special Features

Ultra-compact

PowerShot G1

Low-pixel,

compact,single

focal-length model

1-3 Product Concept

The PowerShot G1 is the top-of-the-line PowerShot camera standing on the five pillars of full features, high image quality,

operation ease, system accessories and application software. It is a high-end, compact digital camera targeting advanced

amateurs and semi-professionals. (The reference pages are in brackets.)

Full Features

-Manual settings (aperture-priority AE, shutter speed-priority AE, manual focus, manual exposure, flash

exposure compensation, exposure compensation) [New! p.G4]

-12 EOS-based picture-taking modes (Auto, Creative Zone, Image Programmed Control Zone)

[New! p.G5]

-Movie recording and playback with sound [New! p.G6]

-Slow shutter speed mode up to 8 sec. (With noise reduction) [New! p.G6]

-Auto Exposure Bracketing (AEB) [New! p.G6]

-Built-in flash with five control modes [New! p.G6]

-Macro mode allows close-up photography up to 6cm at the wide-angle end, 20cm at telephoto end.

[New! p.G7]

-Wireless controller [New! p.G7]

-AE lock/FE lock

-Center-weighted averaging metering and spot metering

-Digital tele-converter feature (2x/4x)

-Image enlargement during playback (2.5x/5x [New!])

-Continuous shooting (approx. 1.7 images/sec.)

-Self-timer shooting

High Image Quality

-High resolution, 1/1.8-inch CCD with 3.34 million pixels [p.G7]

-High-resolution, 3x zoom lens [New! p.G8]

-Wide range of ISO equivalent settings (Auto/ISO 50/100/200/400 equivalent) [New! p.G8]

-High-precision white balance with five position preset white balance and Custom white

balance function [New! p.G8]

-New RAW mode [p.G9]

-Dedicated digital signal-processing IC for high-precision processing

Operation Ease

-Vari-angle LCD monitor [p.G10]

-New UI for easy-to-read controls (Omni selector, stacked two mode dials, large display panel)

[New! p.G10]

-Switching between picture-taking and playback [New! p.G10]

-Switchable AF mode (Continuous/Single) [New! p.G10]

-Switchable video output format (NTSC/PAL) [New! p.G10]

- Optical viewfinder with dioptric correction [p.G11]

-Shutter-release sound like a film-based camera [New! p.G11]

-Digital signal-processing IC + Buffer memory for stress-free operation [p.G11]

-Higher capacity Li-Ion battery [New! p.G12]

-High-speed fast forward playback

-Compatible with CompactFlash Type II media for high-capacity storage

System Accessories

-Wide converter lens, tele-converter lens, close-up lens [New! p.G12]

-Compatible with EOS-dedicated EX-series Speedlites mode for EOS cameras. [p.G12]

-New power source [New! p.G13]

Application Software

-ZoomBrowser EX 2.4/ImageBrowser 1.4 featuring improved operation ease. [New! p.G13]

-Photorecord 1.2 for easy layout and printing of many pictures. [New! p.G13]

-PhotoStitch 3.1 for creating panoramic pictures. [p.G14]

-RemoteCapture 1.1 for remote picture-taking with a PC. [New! p.G14]

-RS-232C TWAIN Driver 3.4/USB TWAIN Driver 3.4/Plug-in Module 3.4/ZoomBrowser EX 2.4/

ImageBrowser 1.4 for adjusting image quality parameters. [New! p.G14]

-Reputable third-party applications [New! p.G15]

Adobe Photoshop LE 5.0 (Image-editing)

Apple QuickTime 4.1 (Video playback/QVTR file creation)

2. Overview

2-1 Features

[Full Features]

-Manual settings

<Aperture-priority AE and shutter speed-priority AE>

For the exposure control, the PowerShot G1 has the aperture-priority AE and shutter speed-priority AE modes. With

aperture-priority AE, you set the desired aperture and the camera sets the shutter speed automatically to match the subject

brightness. Setting a large aperture increases the background blur which better isolates the subject in the foreground.

Setting a small aperture attains greater depth of field to make subjects both in the foreground and background look sharper.

The farther you zoom in to your subject, the better the background blur. With shutter speed-priority AE, you set the

desired shutter speed and the camera sets the aperture automatically to match the subject brightness. A fast shutter speed

can freeze the subject’s movement, and a slow shutter speed can blur the subject to give the impression of motion.

Manual focusing is possible with the PowerShot G1. In sports or wildlife photography, you can set a specific focusing

distance previously and take the shot when the subject comes into focus.

Manual focus is also effective when autofocusing is not possible in the following cases:

-Extremely low-contrast subjects

-Near and far objects overlaid at the same position

-Severe backlit conditions or highly reflective surfaces

-Extremely bright objects ata the center of the composition

-Very low-light scenes

The focal point can be moved manually by holding down the MF button and pressing the Omni Selector. The MF indicator

is shown on the LCD monitor as a reference for the focal range.

Fig.2-1 MF indicator

MF indicator

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