Block Diagrams - Canon PowerShot S400 Service Manual

2. BLOCK DIAGRAMS

2.1 OVERALL
DATA COMMUNICATION
ANALOG IMAGE SIGNAL
ANALOG AUDIO SIGNAL
MAIN PCB ASS'Y
USB
CN1503
BATTERY BOX UNIT
Button BATTERY
FINDER LED
OPRATION Switch
BATTERY BOX
RLS FPC
OPRATION KEY
UNIT
FLASH
HV/OSC/XE_Drive
ST UNIT
01 APRIL, 2003
USB
Control
CPU
VBATT
VCC1
RTC
+3.3VREG RESET
EVR
VBATT
VBATT
BATTERY
Lord Test
OPTICAL UNIT
OPT FPC
CCD FPC
CCD
AF Suport
Sensor
SELF LED
Red Eye
Zoom Motor
Motor Driver
IRIS Motor
SHUTER Motor
AF Motor
FLASH MEMORY
for System
for CCD for LCD
Control
DC/DC CONVERTER
CDS, A/D
Digital
Signal
Processing
TG
IC
LCD
Driver
LCD
CONTROL
SDRAM
VDD3
Filter, Drive
OSC
VCC1
AUDIO PROCESS
LCD
PANEL
AV OUT
CN1501
CF UNIT
CF Card
SPEAKER
MIC
BACK LIGHT
UNIT
C CANON INC., 2003