Read Sony DSLR-A900 (serv.man3) Service Manual online
DSLR-A900_L2
— 2 —
3. BLOCK DIAGRAMS
3-9. POWER BLOCK DIAGRAM (3/6)
(Service manual page 3-9)
: Points chenged portion.
MAIN
(16/
T15 P40/CS0/KEY
Q4708
VOLTAGE
DETECT
EVER_3.3V
EVER_1.5V
VREF_CAM
IC_4001_2.5V
BATT_AD_IN
BATT_CHK_CTRL
P17 RESET
XCA_RESET
XCA_RESET
H14 TRST
TRST
XCA_RESET
TRST
EVER_3.3V
XCA_RESET
F5 P90/TB6OUT
IMG_1.2V_POWER_ON
F4 P91/TB7OUT
IMG_1.8V_POWER_ON
U15 P41/CS1/KEY
IMG_3.3V_POWER_ON
U9 P25/A21/A5/
AF_ASSIST_LED_ON
XDC_JACK_SENSE
T16 P42/CS2/KEY
DD_ON
L14 PG0/TPD0
T14 P66/A14/TB4
P65/A13/SC
E5 P72/AN2
IC_4001_3.3V_POWER_ON
N17 PG7/TPD7
DD_ON_2
U16 P43/CS3/KEY
CS_DD
G2 P95/SCLK2/
IC_4001_SCK
G5 P93/TXD2
IC_4001_SO
R4736
R4717
(23/26)
VDD
1
3
CE
4
VOUT
POWER (2/6)
(PAGE 3-8)
C
POWER (2/6)
(PAGE 3-8)
R
POWER (2/6)
(PAGE 3-8)
H
POWER (2/6)
(PAGE 3-8)
M
CN4513
2
1
7
CPC
(For Check)
DUMMY_LOAD_CTRL
Q4704
DUMMY LOAD
SWITCH
P14
MAIN
(16/
T15 P40/CS0/KEY
Q4708
VOLTAGE
DETECT
EVER_3.3V
EVER_1.5V
VREF_CAM
IC_4001_2.5V
BATT_AD_IN
BATT_CHK_CTRL
P17 RESET
XCA_RESET
XCA_RESET
XCA_RESET
F5 P90/TB6OUT
IMG_1.2V_POWER_ON
F4 P91/TB7OUT
IMG_1.8V_POWER_ON
U15 P41/CS1/KEY
IMG_3.3V_POWER_ON
U9 P25/A21/A5/
AF_ASSIST_LED_ON
XDC_JACK_SENSE
T16 P42/CS2/KEY
DD_ON
L14 PG0/TPD0
T14 P66/A14/TB4
P65/A13/SC
E5 P72/AN2
IC_4001_3.3V_POWER_ON
N17 PG7/TPD7
DD_ON_2
U16 P43/CS3/KEY
CS_DD
G2 P95/SCLK2/
IC_4001_SCK
G5 P93/TXD2
IC_4001_SO
R4736
R4717
(23/26)
VDD
1
3
CE
4
VOUT
POWER (2/6)
(PAGE 3-8)
C
POWER (2/6)
(PAGE 3-8)
R
POWER (2/6)
(PAGE 3-8)
H
POWER (2/6)
(PAGE 3-8)
M
DUMMY_LOAD_CTRL
Q4704
DUMMY LOAD
SWITCH
P14
Former
New
B4 RESET
512M SDRAM
(8/26)
512M SDRAM
(8/26)
IC2003
32M FLASH
(10/26)
IC2201
1.8V REG
(15/26)
IC3003
VIDEO
AMP
(15/26)
IC3002
IMG_3.3V
CE
VOUT 3
1
VDD
4
B4 RESET
512M SDRAM
(8/26)
512M SDRAM
(8/26)
IC2003
32M FLASH
(10/26)
IC2201
1.8V REG
(15/26)
IC3003
VIDEO
AMP
(15/26)
IC3002
1
CN3203
IMG_3.3V
3.3V
CE
VOUT
CPC
(For Check)
3
1
VDD
4
Former
New
3-11. POWER BLOCK DIAGRAM (5/6)
(Service manual page 3-11)
Click on the first or last page to see other DSLR-A900 (serv.man3) service manuals if exist.