Nikon CoolPix 4100 - Power Block Diagram

VAA30001-R.3636.A
- E14 ･ E4100 -
POWER ブロック図
POWER BLOCK DIAGRAM
IC501
SWITCHING
CONTROL
FA7709R
T5001,Q5001
CONVERTOR
TRANS
IC955
STEP UP
CIRCUIT
Q9551, L9551
L5009, Q5003
STEP UP
CIRCUIT
L5004, Q5002
STEP DOWN
CIRCUIT
L5011, Q5009
STEP DOWN
CIRCUIT
+12.0V(A)
-8V(A)
+3.45V(A)
LED_A
VDD3
BOOST4.35V
OUT1
OUT6
OUT2
OUT3
L5007, Q5010
STEP UP
CIRCUIT
OUT4
L5008, Q5013
STEP UP
CIRCUIT
CURRENT
DETECTOR
CIRCUIT
IC502
REG.
IC503
REGULLATOR
OUT5
LCD AN
LCD CA
CNT4 9
CNT1 6
CNT2
CNT3
CNT6
ON/OFF
7
8
11
31
16
17
18
19
CNT5 10
15
20
34
MODEL: E4100 BLOCK DIAGRAM: POWER
VR
VR501
Q5024
P ON
AFLED AN
PA ON2
VDD1.7
+15V(L)
+5V(L)
PA ON
LCD ON3
LCD ON
BL ON
TO DMA(MAIN)
TO DMA(MAIN) TO DMA(MAIN)
TO LCD BACK LIGHT
TO TB1
Q5011
Q5022
Q5014