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2-3
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 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 ...