Sony Cyber-Shot DSC-W90 Service Manual page 26

3-3. POWER BLOCK DIAGRAM (1/2)
MC-176 BOARD
CN101
ACV_UNREG 18-20
XACV_DET 24
19 7
CN102
MULTI
CONNECTOR
CHARGE_V 21-23
XPOWER_ON 27
7 4
BT901
BATTERY
TERMINAL
BATT_UNREG
+
BATT_SIG
S
–
A
XDD_SYS_RST
POWER (2/2)
(PAGE 3-4)
B
XIC_211_RST_REQ
XPWR_OFF
POWER (2/2)
(PAGE 3-4)
C XPWR_ON
XDIRECT_PB
POWER (2/2)
(PAGE 3-4)
D
DDC2P9_EN
POWER (2/2)
(PAGE 3-4)
05
DSC-W90_L2
( ) : Number in parenthesis ( ) indicates the division number of schematic diagram where the component is located.
SY-169 BOARD (1/2)
F001
CN710
F002
ACV_UNREG
Q004, 013
XACV_DET
D002
D003
CHARGE_V BATT_UNREG
XPOWER_ON
XACV_IN
IC201
BATTERY
E
AUTHENTICATION
(9/11)
POWER (2/2)
IC_211_1_SI
P144_SOA0 D5
(PAGE 3-4)
E4 TXRX
IC_211_1_SO
P143_SIA0 C5
XIC_211_1_SCK
P142_XSCKA0 B5
XCS_IC_201
P120_INTP0 B1
D_3.0V
B2 XRESET
IC106
RESET (8/11)
D102
1 OUT Vdd 4
IC101
FRONT CONTROL
(8/11)
BATT_SENS H8
D_3.0V
DDC2P9_AD H7
D_1.8V
A9 CS
DDC1P8_AD J7
B4 XSYS_RST
BACK_UP_VCC
DDC1P2_EN
DDC1P2_EN D9
CAMDD_EN
CAMDD_EN B2
DDC2P9_EN
DDC2P9_EN E9
BL_EN1
BL_EN1 F8
BL_EN2
BL_EN2 F9
DDC5PSW_EN
DDC5PSW_EN F7
VSU_EN
VSU_EN J8
A1 XRESET_REQ DDC1P8_EN
DDC1P8_EN E8
DDCPV_EN
B9 XPOWER_OFF
DDCPV_EN C9
EVER_PSB
EVER_PSB J9
SW_1P8_EN
SW1P8_EN J1
LDO_1P8_EN
LDO1P8_EN H2
DISW1P8_EN
B8 XPOWER_ON0
DISW1P8_EN C2
DISW2P9_EN
B7 XPOWER_ON2
DISW2P9_EN C1
XRSTX D7
1.2V_INT
DDC1P2_RESET C8
IC001
DC/DC CONVERTER
(10/11)
28 GD
45 BATT
L009
13 PVSD LXSD 16
DDC1P2_EN
ONSD 15
29 PVBST LXBST 31
L004
SWBST 30
ONBST 22
LXINV 21
PVINV 20
CAMDD_EN
ONINV 1
PVM 4
L005
LXM 5
DDC2P9_EN
ONM 3
35 PVLED LXLED 33
L003
SWLED 34
FBLLED 37
BL_EN1
ONLED 36
BL_EN2
D011
L007
47 LXSU SU 43
PVSU 44
DDC5PSW_EN
VSU_EN
ONSU 46
L006
9 PVAFE LXAFE 8
DDC1P8_EN
ONAFE 10
DDCPV_EN
5V REG
IC002
(10/11)
L002
9 SW
VOUT 2
6 VBAT
7 LBI
EVER_PSB
1 EN PS 8
SW_1P8_EN
LDO_1P8_EN
DISW1P8_EN
DISW2P9_EN
3-3
Q706
B+ SWITCH
F
MS_PWR_ON
POWER (2/2)
(PAGE 3-4)
D007
D010
D006
Q006
BACKLIGHT
CONTROL
Q003
B+ SWITCH
Q014
B+ SWITCH
D_3.0V
D_1.8V
Q007
1.8V/3.0V
DISCHARGE
1.8V REG Q010, 012
IC003
(10/11) B+ SWITCH
B2 Vin Vout B1
Vcont
A2 BACK_UP_VCC
BACK UP VCC
IC102
(8/11)
3 VBAT VOUT 6
EVER_3.0V
2 VCH VRO 8
D101
7 VIN
IC007
5 XRESET
VOLTAGE
DETECTOR
4 CS
(10/11)
Vin 4
1 Vout
Vsen 3
CN704
MS_VCC MEMORY
9
STICK
DUO
ST_UNREG
D_1.2V
CAM_12V
CAM_-7.5V
L001
A_3.0V
D_3.0V
BL_H
BL_L
MAX_5.0V
G
POWER (2/2)
(PAGE 3-4)
TI_5.0V
D_1.8V
DDR_1.8V
VL_3V