Dia
g
ra
ms
SM764
8-1
–
11NOV05
85
Functional
Power Distribution
IC501
SWITCHING
CONTROL
MAXT
BAT+
DC+
L5008, Q5006
STEP UP
CIRCUIT
INVERTING
CIRCUIT
L5007, Q5007
STEP UP
CIRCUIT
L5006
STEP DOWN
CIRCUIT
L5005
STEP UP
CIRCUIT
L5004
STEP DOWN
CIRCUIT
-7.7V(A)
UNREG(SY)
+15V(L)
VDD3
+5V(L)
UNREG(ST)
TO STA
BOOST5.25V
5.25V(T)
3.6V(E)
+3.45V(A)
+1.25V(D)
ASPAON
PON
VRON
LCDON
LCDON2
EVFON
ASPAON3A
LCDBL
EVFBL
1
EVFAN
2
EVFCA
+15.2V(A)
DL1
DL2
PVSD
LXM
LXSU
LXSD
VR
VR501
ON2
ON3
L5009, Q5008
STEP UP
CIRCUIT
DL3
Q5018
Q5010
CN502
TO EVF
TO DMA(MAIN)
29
40
18 14
28
35
6
27
22
24
34
36
IC503
REGULATOR
IC502
REGULATOR
CURRENT
DEDECTOR
CIRCUIT
Power Distribution
Q5303,Q5304
8
7
1
LED_AN
2
LED_CA
CN501
TO LCD
Q5003
IC531,Q5301
DC/DC
CONVERTER
Q5004
F5003
F5001
TO TB3
TO BATTERY
F5004
F5005
F5002
ONSU
ONM
ONSD
ON1
4
Q5012
Q5013
P264_0005FC_