Power Block Diagram - Sony DSLR-A900 Service Manual

3-7. POWER BLOCK DIAGRAM (1/6)

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