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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 lens (motor, shutter), microphone input, 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 and adjustment data 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
LENS
Motor Driver
AF Support LED
FINDER LED
Electric FLASH
CF card
LCD
TG
Video
Amp
RTC
FLASH MEMORY
DSP
CPU
SW
DIAL
KEY
HD, VD
CLK
Drive Pulse
MAIN PCB ASS'Y
SDRAM
MIC Amp
Audio
Amp
MIC
USB
AV OUT
BUZZER
SPEAKER
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 ...