Sony DSLR-A900 Service Manual page 41

3-11. POWER BLOCK DIAGRAM (5/6)
AM-015 BOARD (4/5)
IMG_3.3V
IMG_1.8V_4S
IMG_1.2V
IMG_1.8V_NZ
L
(F/W UPDATE)
POWER (2/6)
(PAGE 3-8)
R1015
L1801
IMG_3.3V_NZ_USB
L1802
L1001
IMG_1.8V_NZ_SLVDS
CMOS_PWR_ON_1
W
D2 GPIO_E__4
CMOS_PWR_ON_2
C2 GPIO_E__5
POWER (6/6)
CMOS_PWR_ON_3
C1 GPIO_E__6
(PAGE 3-12)
CMOS_PWR_ON_4
B5 GPIO_E__20
CMOS_PWR_ON_5
C6 GPIO_E__21
CMOS_PWR_ON_6
C8 GPIO_E__24
CMOS_PWR_ON_7
C9 GPIO_E__25
CMOS_PWR_ON_8
C3 GPIO_S__14
PROCESSOR
(1/26 - 6/26)
XLENS_RELEASE_SW_IMG
U
C4 GPIO_S__0
POWER (3/6) XIMG_RESET
K6 XRESET
(PAGE 3-9)
05
DSLR-A900_L2
( ) : Number in parenthesis ( ) indicates the division number of schematic diagram where the component is located.
D1001
Q1601
LED DRIVE
XMEDIA_ACC_LED_ON
GPIO_E__2 AN3
Q1602
B+ SWITCH
D1602
MS_3.3V_PWR_ON
GPIO_E__7 AJ6
MS_DISCHARGE
GPIO_E__8 AJ5
G
MEDIA_3.3V
Q1603
POWER (2/6)
B+ SWITCH
(PAGE 3-8)
CF_3.3V_PWR_ON
GPIO_E__0 AJ3
CF_DISCHARGE
GPIO_E__1 AJ2
XCF_RESET
CF_RESET AK22
IC1201
1G SDRAM
(5/26)
IC1202
IC1001
1G SDRAM
IMAGE (5/26)
1
IC1501
64M FLASH
(6/26)
XNZ_EMC_RESET
EMC_XRST AA6 C4 RESET
XE1_RST
GPIO_E__16 F13
XE2_RST
GPIO_E__18 C10
MEDIA_ACC_LED_A
MS_3.3V
Q1604
DISCHARGE
Q1605
DISCHARGE
IC2102
CLOCK
GENERATOR
(7/26)
IC1203
1G SDRAM
(5/26)
SDD0 C2
GP3 A25
IC1204
CCDD6 J2
L2301
1G SDRAM
(5/26) IC2001
L2302
IMAGE
L2303
PROCESSOR
2
L2304
(7/26 - 9/26)
L2305
B25 RESETx
XIMG_RESET
L2701
IC2401
L2702
IMAGE
L2703
PROCESSOR
3
L2704
(11/26 - 13/26)
L2705
B25 RESETx
XIMG_RESET
3-11
CN4511
20
21
12
Q
L4701 D4705
CA_UNREG
14
POWER (2/6)
(PAGE 3-8)
SW 7
OVP 6
1 EN Vfb 4 15
IC4711
LCD BACKLIGHT
DRIVE
V (23/26)
XPOWER_SW
4
POWER (3/6)
(PAGE 3-9)
2
MS_3.3V VCC
CN3205
CF_3.3V
IC1601
CF DETECT
(3/26)
XCF_RESET
5
IC3201
5.0V REG
(25/26)
EVER_3.3V
S
D3201
IC_4001_6.0V +5V
5 VIN VOUT 4 18
POWER (2/6) CA_UNREG
1 CNT
(PAGE 3-8)
D3202
Q3001 - Q3004
IMG_1.8V_4S
B+ SWITCH
IC3001
L3002
HDMI
HDMI_POWER_ON
TRANSMITTER
(15/26)
IC2002
512M SDRAM
(8/26)
1 CE
4 VDD VOUT 3
IC2003
512M SDRAM IC3003
(8/26)
1.8V REG
CN3203
(15/26)
IMG_3.3V 3.3V
1
IC2201
IC3002
32M FLASH
VIDEO
(10/26) AMP
(15/26)
B4 RESET
IC2402
512M SDRAM
(12/26)
IC2403
512M SDRAM
(12/26)
IC2601
32M FLASH
(14/26)
B4 RESET
CONTROL SWITCH BLOCK
(PS85100) CN7101
IMG_3.3V VDD
LCD901
IMG_1.8V_4S VDDIO
32
DE
3 inch
33
COLOR
LCD
XLCD_RST XRST
MONITOR
11
PANEL_BL_A BL+
1
BL901
BACKLIGHT
PANEL_BL_K BL-
2
OFF S7101
XPOWER_SW
POWER
ON
MEDIA_ACC_LED_A
R7001
D7008
(ACCESS)
CN3208
MEMORY
STICK DUO
FP-890 FLEXIBLE MM-079 BOARD
BOARD
CN5201 CN5202
CF_3.3V VCC
13
VCC
38
CF
CompactFlash/
Microdrive
XCF_RESET -RESET
5 41
CN3202
HDMI
OUT
CPC
(For Check)