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2-1
CHAPTER 2. TECHNICAL DESCRIPTION
1. Functions of each unit
1.1 MAIN PCB ASS’Y
1) Driving the CCD Sensor.
2) Conversion of the image signal from the analog signal to the digital signal.
3) Controlling the power supply and the system by CPU. (Refer to Sections 2.1 and 2.2.)
4) Image processing, and reading and writing the image signal to and from the CF card using DSP.
(Refer to Section 2.2.2.)
5) Video output. (Refer to Section 2.2.2.)
6) Microphone input and sound output. (Refer to Section 2.2.3.)
1.2 DC/DC CONVERTER PCB ASS’Y
1) Power supply drive (DC/DC converter).
2) Battery charging control circuit.
1.3 LCD PCB ASS’Y
1) Image display.
2) Backlight for LCD drive.
1.4 TOP MODULE UNIT
1) Operation switch, operation display and finder LED.
1.5 EF FPC
1) Flash control.
1.6 STJ PCB ASS’Y
1) Flash drive and charging circuit for the flash.
Fig. 1
TOP MODULE UNIT
LCD PCB ASS'Y
BUTTON PCB ASS'Y
FLASH UNIT
DC/DC CONVERTER PCB ASS'Y
MAIN PCB ASS'Y
Содержание PowerShot G3
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Страница 35: ...1 29 3 2 6 dimensional Diagram 69 9 2 75 43 5 1 71 122 0 4 80 71 7 2 82 73 9 2 91 121 0 4 76 ...
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Страница 135: ...PowerShot G3 Pg2 INTERNAL PARTS SECTION 1 See Pg3 See Pg5 8 8 7 1 2 3 4 9 7 10 8 11 5 6 N S ...
Страница 139: ...PowerShot G3 Pg4 TOP COVER SECTION 17 15 16 1 3 7 2 4 5 6 8 15 9 10 11 12 13 14 ...
Страница 141: ...PowerShot G3 Pg5 EVF UNIT SECTION 1 10 2 5 3 7 12 11 12 4 6 8 13 9 a b a d c b d c ...
Страница 143: ...PowerShot G3 Pg6 BATTERY BOX UNIT SECTION 8 4 8 2 3 7 1 5 8 8 8 6 ...
Страница 145: ...PowerShot G3 Pg7 Fuse 2 1 DC DC CONVERTER PCB ASS Y ...
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Страница 169: ...C CANON INC 2002 01 NOVEMBER 2002 3 3 STJ PCB ASS Y STJ PCB ASS Y SOLDERING SIDE STJ PCB ASS Y COMPONENT SIDE ...
Страница 170: ...C CANON INC 2002 01 NOVEMBER 2002 3 4 HV MODULE UNIT ...
Страница 171: ...C CANON INC 2002 01 NOVEMBER 2002 3 5 TOP MODULE UNIT ...
Страница 172: ...C CANON INC 2002 01 NOVEMBER 2002 3 6 LCD PCB ASS Y ...
Страница 173: ...C CANON INC 2002 01 NOVEMBER 2002 3 7 OPTICAL FLX ...
Страница 174: ...C CANON INC 2002 01 NOVEMBER 2002 3 8 EF FLX ...
Страница 175: ...C CANON INC 2002 01 NOVEMBER 2002 3 9 R_EN FLX ...
Страница 178: ...PowerShot G3 Auto Focus Chart 1 ...
Страница 179: ...Dimensions 1 107 1mm 79 1mm Dimensions 1 ...
Страница 180: ...PowerShot G3 Auto Focus Chart 2 ...
Страница 181: ...Dimensions 2 278 46mm 207 66mm ...
Страница 182: ...PowerShot G3 Auto Focus Chart 1 ...
Страница 183: ...Dimensions 1 107 1mm 79 1mm Dimensions 1 ...
Страница 184: ...PowerShot G3 Auto Focus Chart 2 ...
Страница 185: ...Dimensions 2 278 46mm 207 66mm ...