Power Supply - Canon EOS DIGITAL REBEL XTI Service Manual

2. BLOCK DIAGRAM
2-2 POWER SUPPLY
1 -
DC-DC BLOCK
-
VDD5 4.8V 0.2V
VDD
- - - - - -
cvcc
5.0V
Reg
~
EO-
LED
I
Mecha-Biock
I
CVBAT
I
3.35V
,-__J_---l--,
8
VDD3
MPU
LPU
I
RTC
I
4.8V
Reg
E1
AE/EF/AF/REM
etc.
L ..............
l
EF Lens
~
.............
.1
V Core
vo
DIGIC 11
H
FROM
y
SDRAM
~
I
V2
V1
I
CF
I
[;]
I
System-Block
I
V32
REF. NO. C12-61 51
I
2
C12-61 53,4
C12-61
ss,
6
r - - - - - - - - - - - - - - - - - -
Reg.
3.0V
VIDEO
AMP
Reg.
5.0V
TFT
DRIVER
Reg.
SW
8.5V
TFT BACK
PANEL LIGHT
I
Display-Block
I
r--------------------------
r-=:--:------:::-:::--:::----, - - - - ,
I
Display
Off
Sensor-
I
Block
I
Reg. Reg.
5.0V 4.8V
3.3V 2.6V 2.5V 3.3V
~-~IFUSE ~~-------------------~-~~--~
I
FU401
I
~
I
FUSE
I
FU VBAT
H
FET
:I-- V _ B _ A _ T _ 3 ________ __,
l
$$$
FLASH Motor SI-LED FLED LAMP
VB:.::·------·------·--1
~11111111111--
I
BG-E
3
I
1.. . Ld
J
Atiize Battery
j_
L1-1on
~~~~
Li-ion
~
-
[QIJ SEP., 2006
Shutter
I
Down
Conv.
lrLED
cy
~
Display Off
Sensor
t - - - - - - - - 1 PZT
I
~==-===--:--:::------,
I
Self Cleaning Sensor
I
System Block
Reg.
I
AFE
I
10M-CMOS
Sensor
TG
I
Image-Block
I
©
CANON INC., 2006