Sony DSC-HX20 Service Manual page 12

1 2
A
B
REG_UNREG
REG_GND
C
D
E
F
08
DSC-HX20/HX20V/HX30/HX30V_L3
3
A7 A8 C7 B7 B8 D8 E8 C8 D5 D7 E5 F8
AV_SI
SO
XCS_DD
XCE
AV_SCK
SCLK
AV_SO
SI
MS_PWR_ON
MS_PWR_ON
SD_PWR_ON
AUX_PWR_ON
PGND3
L001 IC001
E
LX3 MB44C022PW-G-ERE1
C001 22u
4.7uH DC/DC CONVERTER,
IN3(FB_3) POWER CONTROL
PVCC3
NC
XWAKE
XCTL
PVCC1
C002 10u
IN1(FB_1)
22u
C003 S
LX1
L002
4.7uH
PGND1
B1 C1 D2 D1 C3 D3 D4 E3 E2 E1 E4 F3 F1 G1 G2 H1
D001
DB2S31100K8
4 5
REG_UNREG
REG_GND
G8 F7 E7 F6
DISCHG
TEST
PGND7
LX7
PSWOUT7
IN7(FB_7)
PVCC7
PWM8
C013 0.1u
CFIL8
VL8
R011 12
RS8
D002
MINE8
DB2J20100L
C014 4.7u
OVP8
S
LX8
L006
33uH
PGND8
F001
PGND5 0.8A 32V
VO_5V
6-3
6 7
EXT_VCC
MS_VCC
R022 XX
DD_3.1V
DD_3.1V
R023 XX
LDO_EN
LDO_EN
XSYS_RESET
XSYS_RESET
XRESET_REQ
XRESET_REQ
AV_SI
AV_SI
XCS_DD
XCS_DD
AV_SCK
AV_SCK
AV_SO
AV_SO
MS_PWR_ON
MS_PWR_ON
SD_PWR_ON
SD_PWR_ON
XWAKE
XWAKE
DD_1.8V
REG_UNREG
B4 C1 C2
HOT_STBY_IN STBYOUT STBY_IN
IC003
DD_1.2V PSW1P2 BD8335GWL-E2 LDO1P8
DC/DC CONVERTER
XMASK
LDO_EN
A3 A2 A1
VO_5V
DD_3.1V
D021
RKZ6.8B2KJR1
REG_GND
CABC_PWM
IC004
RP173K501B-TR
BL_L
5.0V REG
BL_H MT_5.0V VDD VOUT
HDMI_5V_ON CE GND
C022
C023 1u
XX
REG_GND
IC002
MM3436L11RRE
1.125V REG
DD_1.8V VDD
Vout
CE
GND C020
C016
1u
XX
REG_GND
R020 XX
MT_5.0V
XAF_LED
R024 XX
EVER_VDD
BACKUP_VDD
R018 XX
DD_1.2V
D_VID
R019 XX
DD_1.8V
DD_1.8V
R021 XX
SY-325 BOARD (1/9)
DC/DC CONVERTER, POWER CONTROL
XX MARK: NO MOUNT
8 9
A
B
R026 XX
DDR_1.2V
HOT_STBY_OUT
R027 XX
DDR_1.8V
C
HDMI_5.0V
D
LDO_1.125V
E
F