3-7
DSLR-A900_L2
3-7. POWER BLOCK DIAGRAM (1/6)
( ) : Number in parenthesis ( ) indicates the division number of schematic diagram where the component is located.
3
1
2
8
16
17
12
11
14
15
11
10
13
14
15
3
1, 2
4, 5
CN0502
CN0501
1 - 3
12, 13
25 - 30
45 - 51
35, 36
22 - 24
31 - 34
18, 19
43, 44
37 - 39
20, 21
CN0503
CN0505
B+ SWITCH
SWITCHING
Q0501 - Q0505
BATT_UNREG
BATT_SIG
AS_5.9V
IMG_1.2V
UNREG
xDC_JACK_SENSE
BATT_IB
IC_4001_3.3V_POWERON
CMOS_2.1V
MEDIA_3.3V
CMOS_2.5V
IC_4001_6.0V
UNREG+6.0V
DD_ON_2
DD_ON
CS_DD
IC_4001_SCK
IC_4001_SO
DD_ON
CS_DD
IC_4001_SCK
IC_4001_SO
ACV_UNREG
BATT/XEXT
D0503
D0504
D0005
F0004
L0011
Q0011
SWITCHING
Q0009, Q0010
B+ SWITCH
Q0003, Q0008
SWITCHING
Q0001, Q0018
Q0012
Q0014, Q0015
F0003
F0006
DC CONTROL
(2/2)
VIN
SW
NGATE
IC0006
DC CONTROL
(2/2)
IC0001
-2.2V REG
(2/2)
IC0005
DC CONTROL
(1/2)
3.3V REG
(2/2)
IC0002
7
OUT10-1 C15
OUT9-1 A13
OUT9-2 A14
OUT10-2 B15
VS10 B14
DRUM_IN E15
-INE10 D14
DIN M13
CLK L13
LD K13
CTL1 N5
+INE10 C14
VR P4
+INE9 B12
-INE9 C12
5
8
VFB 2
RUN/SS 6
VS9 B13
CAP_IN A11
L0002
IMG_1.8V_4S
IMG_1.8V_NZ
IMG_3.3V
L0010
L0001
IN1 H13
H15 PVDD1a
CMOS_-2.2V
EVER_3.3V
EVER_1.5V
IC_4001_3.3V/5.0V
H14 PVDD1b
J15 PVDD3a
IN2 E3
J14 PVDD3b
5 VEE
3
Vout
4 SSV
6 VIN
1
VOUT
4 ON/OFF
2
Vor
IN6 N10
IN7 F3
IN8 C7
DVDD5 N15
VB B1
DVDD1 A1
PVDD11 A2
PVDD10 A3
PVDD12 A4
1 CTL
A5 PVDD8a
B5 PVDD8b
P15 DVDD4
R5 AVDD1
M1 AVDD2
L1 AVDD3
N1 B_UNREG
P1 V_UNREG
R10 PVDD6a
P10 PVDD6b
F1 PVDD7a
F2 PVDD7b
F0002
E1 PVDD2a
E2 PVDD2b
F0001
A10 PVDD5a
B10 PVDD5b
F0005
R11 PVDD4a
P11 PVDD4b
G15
LX1a
G14
LX1b
L0003
D1
LX2a
D2
LX2b
L0004
K15
LX3a
K14
LX3b
A9
LX5a
B9
LX5b
L0007
R9
LX6a
P9
LX6b
G1
LX7a
G2
LX7b
D0001
D0004
IN3 J13
IN5 C8
IN4 N11
D0006,
D0007
D0003
DVDD2 A12
DVDD3 D15
5.0V REG
(2/2)
IC0003
4 VIN
1 CONT
3
VOUT
1.5V REG
(2/2)
IC0004
6 VIN
1
VOUT
4 ON/OFF
B+ SWITCH
Q0002, Q0004
DD-299 BOARD
BT902
BATTERY
TERMINAL
+
S
–
DC IN
J902
POWER (2/6)
(PAGE 3-8)
A
05
L0008
LEAK CURRENT
REDUCTION
Q0511 (1/2)
LEAK CURRENT
REDUCTION
Q0510 (2/2)
LEAK CURRENT
REDUCTION
Q0511 (2/2)
IC0502
A6
LX8a
B6
LX8b
L0009
5 - 8
LENS_PWR_ON_LOW
FP-897
FLEXIBLE
BOARD
LVDD1
LVDD1
LVDD0
LVDD1
LVDD0
13
CN0504
D0512 - D0514
Q0506
B+ SWITCH
XLVDD0_PWRON_SSM
XLVDD0_POWERON
D0516
D0515
Q0507
B+ SWITCH
F0502
LENS
CONTACTS
POWER (2/6)
(PAGE 3-8)
B
8
3
2
9
LVDD1
LENS_PWR_ON_LOW
XLVDD0_PWRON_SSM
XLVDD0_POWERON
L0006
LEAK CURRENT
REDUCTION
Q0510 (1/2)
1
3
4
–
+
F0501
Voltage selection of
IC_4001_3.3V_POWERON
IC_4001_3.3V/5.0V
H
L
5.0V
3.3V