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
Summary of Contents for PowerShot G2
Page 120: ...PowerShot G2 Pg3 FLASH SPEAKER UNIT 6 8 5 3 7 2 4 1 ...
Page 122: ...PowerShot G2 Pg4 REAR PLATE UNIT 1 2 3 6 5 4 7 ...
Page 124: ...PowerShot G2 Pg5 BATTERY BOX UNIT 13 1 2 8 9 10 11 4 12 3 14 7 5 4 6 ...
Page 126: ...PowerShot G2 Pg6 LCD HINGE UNIT 12 3 5 6 7 8 9 11 10 2 11 1 4 11 12 ...
Page 136: ...PowerShot G2 Pg11 Fuse 2 1 DC DC CONVERTER PCB ASS Y ...
Page 150: ...C CANON INC 2001 01 AUGUST 2001 5 3 3 CF UNIT ...
Page 151: ...C CANON INC 2001 01 AUGUST 2001 5 3 4 TOP MODULE UNIT ...
Page 152: ...C CANON INC 2001 01 AUGUST 2001 5 3 5 LCD PCB ASS Y ...
Page 153: ...C CANON INC 2001 01 AUGUST 2001 5 3 6 BUTTON PCB ASS Y ...
Page 154: ...C CANON INC 2001 01 AUGUST 2001 5 3 7 JACK PCB ASS Y ...