Sony DSLR-A900 Service Manual page 38

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