Sony DSLR-A900 Service Manual page 39

3-9. POWER BLOCK DIAGRAM (3/6)
AM-015 BOARD (2/5)
EVER_3.3V
IC_4001_3.3V
D
AS_5.9V
IC_4001_6.0V
POWER (2/6)
UNREG+6.0V
(PAGE 3-8)
EVER_1.5V
P
VREF_CAM
CA_UNREG
POWER (2/6)
(PAGE 3-8)
R4053
R4736
R4717
C
IC_4001_3.3V_POWER_ON
XDC_JACK_SENSE
POWER (2/6)
(PAGE 3-8)
POWER (2/6)
(PAGE 3-8)
POWER (2/6)
(PAGE 3-8)
CN4513
POWER (2/6)
EVER_3.3V
(PAGE 3-8)
1
CPC
TRST
2
(For Check)
XCA_RESET
7
POWER (4/6)
(PAGE 3-10)
POWER (2/6)
(PAGE 3-8)
D4704
U
XLENS_RELEASE_SW_IMG
XIMG_RESET
POWER (5/6)
(PAGE 3-11)
POWER (5/6)
(PAGE 3-11)
POWER (2/6)
(PAGE 3-8)
05
DSLR-A900_L2
( ) : Number in parenthesis ( ) indicates the division number of schematic diagram where the component is located.
XRTC_DET_RESET
VDCC 4
D4003
IC4004
PG4/TBD4 M16
REAL TIME
Q4002
CLOCK
(16/26)
D4002
BT901
(LITHIUM BATTERY)
IC4003
32K EEPROM
IC4702
(16/26) IC4001
2.5V REG
MAIN CPU
(23/26) (16/26)
IC_4001_2.5V
4 VDD VOUT 3
1 CE
EVER_3.3V
EVER_1.5V
VREF_CAM
DUMMY_LOAD_CTRL
P14 P65/A13/SCLK1/CTS1
BATT_CHK_CTRL
T14 P66/A14/TB4OUT
Q4704
DUMMY LOAD
SWITCH
BATT_AD_IN
VOLTAGE
E5 P72/AN2
DETECT
Q4708
L14 PG0/TPD0
T15 P40/CS0/KEY24
IC_4001_SO
G5 P93/TXD2
IC_4001_SCK
H
G2 P95/SCLK2/CTS2
CS_DD
U16 P43/CS3/KEY27
DD_ON
T16 P42/CS2/KEY26
DD_ON_2
N17 PG7/TPD7
IMG_1.2V_POWER_ON
M
F5 P90/TB6OUT
IMG_1.8V_POWER_ON
F4 P91/TB7OUT
IMG_3.3V_POWER_ON
U15 P41/CS1/KEY25
R
XCA_RESET
P17 RESET
TRST
H14 TRST
XCA_RESET
PG1/TPD1 L16
XCA_RESET
AF_ASSIST_LED_ON
U9 P25/A21/A5/TB4IN1
AF_ASSIST_LED_H
T9 P24/A20/A4/TB4IN0
T
FOCUS_POS_LED_PWM
B9 PD4/TBCOUT
LENS_PWR_ON
T5 P06/D6/AD6
LENS_PWR_ON_SSM
B16 PA7/TB2IN1
LENS_LOGIC_PWR_ON
U5 P07/D7/AD7
XLENS_RELEASE_SW
C1 PF2/KEY18/DREQ4
J
LENS_PWR_ON_LOW
P5 P05/D5/AD5
D4506
XIMG_RESET_OUT
M17 PG5/TPD2
V
XPOWER_SW
B1 PF0/KEY16/DREQ0
X
DA_OUT_AF_PI
A6 DA0
DA_OUT_IRIS_PI
A8 DA1
EVER_3.3V
IC_4001_3.3V
AS_5.9V
IC_4001_6.0V
PH4201 Q4201
R4204
UNREG+6.0V
LED DRIVE
SLANT
SENSOR
HORIZONTAL/VERTICAL
POSITION DETECT
VREF_CAM
LI_CHARGE_CTRL
XAS_RESET XAS_RESET_BUFFERED
IC4710
5.0V REG
(23/26)
AS_5.0V
4 VIN VOUT 3
1 CTRL
IC4703
5.0V REG
(23/26)
4 VIN VOUT 3
IC_4001_3.3V_POWER_ON
1 CTRL
IC4705
9.2V REG
(23/26)
5 VIN VOUT 4
1 CTRL
IC4708
8.0V REG
(23/26)
5 VIN VOUT 4
1 CTRL
Q4701
B+ SWITCH
AFCCD_POWER_ON
3-9
EVER_3.3V
IC_4001_3.3V
AS_5.9V
IC4801
Q4802, Q4804
109 P12/INT2 LIMITER ANTI-SHAKE
DRIVE
(21/26)
IC4201
ANTI-SHAKE
Q4805, Q4806
CONTROLLER,
LIMITER
SUB CPU
(19/26)
7 P34/ZIN0
P44/TOT0 20 Q4801
90 INIT
LCD_VDD IC_4001_3.3V
P13/INT3 110
GVCCO_COM GY_VCC
GVCCO E3
IC4301
ANTI-SHAKE
ANALOG MASTER
(20/26)
PSPWR F8
DV5_HALL VBRA5
B+ SWITCH
Q4301
EVER_3.3V
LCD_VDD
IRIS_PI_C
N
VDA1 IRIS_PI_A
POWER (2/6)
R4530
(PAGE 3-8)
AFCCD_5.0V Vcc5a
Vcc5d
AFCCD_9.2V
AFCCD_8.0V
AFCCD_3.3V
GY-009 FLEXIBLE BOARD
SE5701
CN4517
IC5701 PITCH
SENSOR
13
REMOTE
SENSOR
SE5702
YAW
7
SENSOR
HOL-005 FLEXIBLE BOARD
CN4504
IC7501
HALL
ELEMENT
TOP-004 FLEXIBLE BOARD
CN4523
16
R7305
D7301
IC7301
DISPLAY PANEL
6 BACKLIGHT
DISPLAY PANEL DRIVE
(2/2)
AFM-003 FLEXIBLE AP-032 FLEXIBLE
BOARD BOARD
PH6201
CN4512
CN6101
APERTURE
12 5
MOTOR
ROTATION
11 4
DETECT
AF-117 FLEXIBLE BOARD
CN4515
18
10
IC5801
Vdc1
11
Vdc2
AF CCD
17
Vref
13