3-8
DSLR-A900_L2
3-8. POWER BLOCK DIAGRAM (2/6)
( ) : Number in parenthesis ( ) indicates the division number of schematic diagram where the component is located.
BUFFER
(26/26)
IC4503
(26/26)
IC4502
MIRROR
CHARGE MOTOR
DRIVE
(18/26)
IC4401
SWITCH
DETECT
(26/26)
IC4501
BATTERY
DETECTOR
(22/26)
IC4601
Q4406
B+ SWITCH
UNREG
IC_4001_3.3V_POWER_ON
IC_4001_6.0V
AS_5.9V
3 STBY
2 PWM
F4415
AF MOTOR
DRIVE
(18/26)
IC4403
F4413
APERTURE
MOTOR DRIVE
(18/26)
IC4404
F4414
CA_UNREG
CA_UNREG
IC_4001_6.0V
CA_UNREG
CA_UNREG
EVER_3.3V
F4412
3.7V DETECT
(23/26)
IC4713
5 VDD
1
VOUT
13
IB
3 MD2
9 VCONT
DA_OUT_AF_PI
3 MD2
Q4407
B+ SWITCH
VDA1
VDA0
AS_5.9V
XCA_RESET
13
IB
XCA_RESET
E4 TxRx
B2
RESET
xDC_JACK_SENSE
FP-895 FLEXIBLE
BOARD
AM-015 BOARD (1/5)
IF-161
FLEXIBLE
BOARD
POWER (5/6)
(PAGE 3-11)
L
POWER (3/6)
(PAGE 3-9)
N
POWER (4/6)
(PAGE 3-10)
O
POWER (3/6)
(PAGE 3-9)
P
POWER (5/6)
(PAGE 3-11)
Q
POWER (3/6)
(PAGE 3-9)
R
POWER (5/6)
(PAGE 3-11)
S
POWER (3/6)
(PAGE 3-9)
M
POWER (3/6)
(PAGE 3-9)
X
POWER (6/6)
(PAGE 3-12)
F
POWER (5/6)
(PAGE 3-11)
G
POWER (4/6)
(PAGE 3-10)
E
POWER (3/6)
(PAGE 3-9)
D
POWER (3/6)
(PAGE 3-9)
C
POWER (3/6)
(PAGE 3-9)
H
POWER (6/6)
(PAGE 3-12)
K
CN4514
3
BL_A
CN4508
CN4525
4
C_COM
SH_COM
SREL(+)
REL
MREL(+)
EVER_3.3V
R4550
R4706
8
36
35
40
14
11
15
41
42
39
38
37
1 - 3
12, 13
18 - 21
1 - 7
16, 17
22 - 27
33, 34
8, 9
13 - 15
31, 32
POWER (1/6)
(PAGE 3-7)
A
POWER (1/6)
(PAGE 3-7)
B
BATT_IB
BATT_IB
IC_4001_3.3V_POWERON
XDC_JACK_SENSE
IC_4001_3.3V_POWER_ON
UNREG+6.0V
EVER_3.3V
EVER_1.5V
IC_4001_3.3V/5.0V
IC_4001_6.0V
UNREG+6.0V
EVER_3.3V
EVER_3.3V
EVER_1.5V
IC_4001_3.3V/5.0V
IC_4001_6.0V
CMOS_-2.2V
CMOS_2.5V
CMOS_2.1V
MEDIA_3.3V
UNREG
IMG_3.3V
IMG_3.3V
IMG_3.3V
IMG_3.3V_NZ_USB
IMG_3.3V_POWER_ON
IMG_1.8V_POWER_ON
IMG_1.2V_POWER_ON
IMG_1.8V_NZ
IMG_1.8V_4S
IMG_1.2V
AS_5.9V
IC_4001_SO
IC_4001_SCK
CS_DD
DD_ON
DD_ON_2
CN4524
CN4520
IC_4001_3.3V
IC_4001_3.3V
AS_5.9V
IC_4001_6.0V
CMOS_-2.2V
CMOS_2.5V
CMOS_2.1V
MEDIA_3.3V
IC_4001_SO
IC_4001_SCK
CS_DD
DD_ON
DD_ON_2
4
1
2
IMG_1.8V_NZ
IMG_1.8V_4S
IMG_1.8V_NZ
IMG_1.2V
EVER_3.3V
Q4505, Q4509,
Q4512
B+ SWITCH
Q4510
B+ SWITCH
Q4504, Q4508
B+ SWITCH
Q4503, Q4507
B+ SWITCH
Q4502, Q4506
B+ SWITCH
Q4511
B+ SWITCH
1
3
6
7
5
2
EVER_3.3V
EVER_4.5V
VREF_CAM
CA_UNREG
4.5V REG
(23/26)
IC4704
VIN
6 ON/OFF
3
VOUT
2, 5
3.3V REG
(23/26)
IC4707
VIN
6 ON/OFF
3
VOUT
2, 5
D4702
D4701
05
D101
FINDER
BACKLIGHT
SHUTTER CHAGE
MOTOR DRIVE
(18/26)
IC4402 , Q4412 - Q4414
9 VCONT
DA_OUT_IRIS_PI
5.5V REG
(18/26)
IC4405
3 VIN
1
VOUT
1
5 - 8
CONTROL
BLOCK
SHUTTER UNIT
28 - 30
50
44
49
43
LENS_PWR_ON_LOW
POWER (3/6)
(PAGE 3-9)
J
POWER (4/6)
(PAGE 3-10)
I
XLVDD0_POWERON
XLVDD0_PWRON_SSM
LVDD1
LENS_PWR_ON_LOW
XLVDD0_PWR_ON
XLVDD0_PWR_ON_SSM
LVDD1
ACT901
ACTUATOR
Q4405