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 BUTTON PCB ASS’Y
1) Flash control.
1.6 FLASH UNIT
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 G2
Страница 18: ...1 17 3 2 6 dimensional diagram Unit mm inch 118 7 4 67 120 9 4 76 76 6 3 02 74 3 2 93 63 8 2 51 51 7 2 04 ...
Страница 120: ...PowerShot G2 Pg3 FLASH SPEAKER UNIT 6 8 5 3 7 2 4 1 ...
Страница 122: ...PowerShot G2 Pg4 REAR PLATE UNIT 1 2 3 6 5 4 7 ...
Страница 124: ...PowerShot G2 Pg5 BATTERY BOX UNIT 13 1 2 8 9 10 11 4 12 3 14 7 5 4 6 ...
Страница 126: ...PowerShot G2 Pg6 LCD HINGE UNIT 12 3 5 6 7 8 9 11 10 2 11 1 4 11 12 ...
Страница 136: ...PowerShot G2 Pg11 Fuse 2 1 DC DC CONVERTER PCB ASS Y ...
Страница 150: ...C CANON INC 2001 01 AUGUST 2001 5 3 3 CF UNIT ...
Страница 151: ...C CANON INC 2001 01 AUGUST 2001 5 3 4 TOP MODULE UNIT ...
Страница 152: ...C CANON INC 2001 01 AUGUST 2001 5 3 5 LCD PCB ASS Y ...
Страница 153: ...C CANON INC 2001 01 AUGUST 2001 5 3 6 BUTTON PCB ASS Y ...
Страница 154: ...C CANON INC 2001 01 AUGUST 2001 5 3 7 JACK PCB ASS Y ...
Страница 155: ...PowerShot G2 Auto Focus Chart WIDE TELE MID8 MID6 MID3 WIDE TELE MID8 MID6 MID3 128 00mm 95 00mm Dimensions ...